:root,
        [data-theme="light"] {
            --color-primary: #5A9E6F;
            --color-primary-rgb: 90, 158, 111;
            --color-primary-light: #4A8A5E;
            --color-primary-glow: rgba(90, 158, 111, 0.25);
            --color-secondary: #D4844A;
            --color-secondary-glow: rgba(212, 132, 74, 0.25);
            --color-tertiary: #3A9B8C;
            --color-tertiary-glow: rgba(58, 155, 140, 0.25);
            --color-success: #34B87A;
            --color-success-glow: rgba(52, 184, 122, 0.2);
            --color-warning: #E8A020;
            --color-warning-glow: rgba(232, 160, 32, 0.2);
            --color-error: #E05555;
            --color-error-glow: rgba(224, 85, 85, 0.2);
            --glass-bg: #F7F4F0;
            --glass-bg-secondary: #EDE9E3;
            --glass-surface: rgba(255, 255, 255, 0.65);
            --glass-surface-hover: rgba(255, 255, 255, 0.78);
            --glass-surface-active: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(0, 0, 0, 0.08);
            --glass-border-strong: rgba(0, 0, 0, 0.14);
            --text-primary: rgba(30, 28, 26, 0.92);
            --text-secondary: rgba(30, 28, 26, 0.60);
            --text-tertiary: rgba(30, 28, 26, 0.40);
            --text-muted: rgba(30, 28, 26, 0.22);
            --blur-glass: blur(24px) saturate(140%);
            --blur-light: blur(16px) saturate(120%);
            --elevation-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --elevation-card-hover: 0 2px 6px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --elevation-float: 0 4px 8px rgba(0, 0, 0, 0.08), 0 16px 48px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
            --elevation-nav: 0 -4px 20px rgba(0, 0, 0, 0.08), 0 -1px 0 rgba(255, 255, 255, 0.6);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --greeting-gradient: linear-gradient(135deg, var(--text-primary), var(--color-primary-light));
            --header-bg: rgba(247, 244, 240, 0.75);
            --nav-bg: rgba(255, 255, 255, 0.72);
            --nav-active-bg: linear-gradient(135deg, rgba(90, 158, 111, 0.22), rgba(58, 155, 140, 0.16));
            --nav-active-border: rgba(90, 158, 111, 0.28);
            --input-bg: rgba(255, 255, 255, 0.5);
            --input-focus-bg: rgba(255, 255, 255, 0.7);
            --ring-glow: rgba(90, 158, 111, 0.25);
            --toast-bg: rgba(255, 255, 255, 0.92);
            --toast-color: var(--text-primary);
            --modal-bg: rgba(247, 244, 240, 0.95);
            --overlay-bg: rgba(0, 0, 0, 0.3);
            --font: 'Noto Sans SC','WenQuanYi Zen Hei','Sarasa Mono SC',-apple-system,BlinkMacSystemFont,sans-serif;
            --safe-bottom: env(safe-area-inset-bottom, 0px);
            --orb-opacity: 0.18;
            --chart-primary: #5A9E6F;
            --chart-secondary: #D4844A;
            --chart-grid: rgba(0,0,0,0.06);
            --chart-text: #7A7A8A;
            --chart-fill: rgba(90,158,111,0.15);
            --chart-predict: #D4844A;
        }

        [data-theme="dark"] {
            --color-primary: #5B8DEF;
            --color-primary-rgb: 91, 141, 239;
            --color-primary-light: #7BA8F7;
            --color-primary-glow: rgba(91, 141, 239, 0.3);
            --color-secondary: #8B5CF6;
            --color-secondary-glow: rgba(139, 92, 246, 0.3);
            --color-tertiary: #06B6D4;
            --color-tertiary-glow: rgba(6, 182, 212, 0.3);
            --color-success: #34D399;
            --color-success-glow: rgba(52, 211, 153, 0.25);
            --color-warning: #FBBF24;
            --color-warning-glow: rgba(251, 191, 36, 0.25);
            --color-error: #F87171;
            --color-error-glow: rgba(248, 113, 113, 0.25);
            --glass-bg: #0a0e1a;
            --glass-bg-secondary: #0f1525;
            --glass-surface: rgba(255, 255, 255, 0.06);
            --glass-surface-hover: rgba(255, 255, 255, 0.10);
            --glass-surface-active: rgba(255, 255, 255, 0.14);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-strong: rgba(255, 255, 255, 0.20);
            --text-primary: rgba(255, 255, 255, 0.92);
            --text-secondary: rgba(255, 255, 255, 0.60);
            --text-tertiary: rgba(255, 255, 255, 0.38);
            --text-muted: rgba(255, 255, 255, 0.22);
            --elevation-card: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
            --elevation-card-hover: 0 2px 6px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.06);
            --elevation-float: 0 4px 8px rgba(0, 0, 0, 0.15), 0 16px 48px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.12);
            --elevation-nav: 0 -4px 20px rgba(0, 0, 0, 0.2), 0 -1px 0 rgba(255, 255, 255, 0.05);
            --header-bg: rgba(10, 14, 26, 0.7);
            --nav-bg: rgba(255, 255, 255, 0.08);
            --nav-active-bg: linear-gradient(135deg, rgba(91, 141, 239, 0.15), rgba(139, 92, 246, 0.15));
            --nav-active-border: rgba(91, 141, 239, 0.2);
            --input-bg: rgba(255, 255, 255, 0.04);
            --input-focus-bg: rgba(255, 255, 255, 0.06);
            --ring-glow: rgba(91, 141, 239, 0.3);
            --toast-bg: rgba(20, 25, 40, 0.95);
            --toast-color: var(--text-primary);
            --modal-bg: rgba(20, 25, 40, 0.95);
            --overlay-bg: rgba(0, 0, 0, 0.6);
            --orb-opacity: 0.15;
            --chart-primary: #7BA8F7;
            --chart-secondary: #A78BFA;
            --chart-grid: rgba(255,255,255,0.08);
            --chart-text: rgba(255,255,255,0.5);
            --chart-fill: rgba(123,168,247,0.18);
            --chart-predict: #FBBF24;
            --greeting-gradient: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.7));
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font);
            user-select: text;
            -webkit-user-select: text;
            background: var(--glass-bg);
            color: var(--text-primary);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: calc(100px + var(--safe-bottom));
            -webkit-font-smoothing: antialiased;
            transition: background 0.5s ease, color 0.5s ease;
        }

        body.overlay-open {
            overflow: hidden;
            touch-action: none;
        }

        .material-icons-round.mi-fallback {
            font-family: "Segoe UI Symbol", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0;
            text-transform: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 1em;
            user-select: none;
            -webkit-user-select: none;
        }

        /* Theme transition for all major elements */
        .app-header, .bottom-nav, .glass-card, .stat-card, .health-card,
        .chart-card, .weekly-report, .log-form, .settings-group,
        .modal-content, .toast {
            transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease, color 0.18s ease;
        }
        .ambient-orb {
            transition: background 0.4s ease, opacity 0.4s ease;
        }
        .theme-switching *,
        .theme-switching *::before,
        .theme-switching *::after {
            transition-duration: 0s !important;
            animation-duration: 0s !important;
            animation-delay: 0s !important;
        }

        .ambient-bg {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .ambient-orb {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: var(--orb-opacity);
            animation: orbFloat 20s ease-in-out infinite;
        }

        .ambient-orb-1 {
            width: 300px;
            height: 300px;
            background: var(--color-primary);
            top: -100px;
            right: -80px;
            animation-delay: 0s;
        }

        .ambient-orb-2 {
            width: 250px;
            height: 250px;
            background: var(--color-secondary);
            bottom: 20%;
            left: -60px;
            animation-delay: -7s;
        }

        .ambient-orb-3 {
            width: 200px;
            height: 200px;
            background: var(--color-tertiary);
            top: 40%;
            right: 10%;
            animation-delay: -14s;
            opacity: calc(var(--orb-opacity) * 0.66);
        }

        @keyframes orbFloat {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            33% {
                transform: translate(30px, -20px) scale(1.1);
            }
            66% {
                transform: translate(-20px, 15px) scale(0.95);
            }
        }

        .app-shell {
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            min-height: 100vh;
            z-index: 1;
        }

        .glass-card {
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-card:hover {
            background: var(--glass-surface-hover);
            border-color: var(--glass-border-strong);
            box-shadow: var(--elevation-card-hover);
            transform: translateY(-1px);
        }

        .glass-card:active {
            transform: scale(0.98);
        }

        .app-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 16px 20px;
            background: var(--header-bg);
            backdrop-filter: blur(20px) saturate(150%);
            -webkit-backdrop-filter: blur(20px) saturate(150%);
            border-bottom: 1px solid var(--glass-border);
            transition: background 0.5s ease;
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .header-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }

        .header-title .material-icons-round {
            font-size: 28px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-app-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            object-fit: contain;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            flex: 0 0 auto;
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 10px;
            margin-left: auto;
        }

        .bottom-nav {
            position: fixed;
            touch-action: none;
            user-select: none;
            -webkit-user-select: none;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 440px;
            background: var(--nav-bg);
            backdrop-filter: blur(32px) saturate(180%);
            -webkit-backdrop-filter: blur(32px) saturate(180%);
            display: grid;
            grid-template-columns: repeat(5, minmax(0, 1fr));
            gap: 2px;
            padding: 8px 10px calc(8px + var(--safe-bottom));
            z-index: 100;
            border-radius: var(--radius-full);
            border: 1px solid var(--glass-border);
            box-shadow: var(--elevation-nav);
            transition: all 0.3s ease, background 0.5s ease;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 100%;
            min-width: 0;
            padding: 8px 0;
            border: none;
            background: none;
            cursor: pointer;
            color: var(--text-tertiary);
            font-family: var(--font);
            font-size: 10px;
            font-weight: 500;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: var(--radius-md);
            position: relative;
        }

        .nav-item.active {
            color: var(--color-primary-light);
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--nav-active-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--nav-active-border);
        }

        .nav-item .material-icons-round {
            font-size: 24px;
            position: relative;
            z-index: 1;
            transition: transform 0.3s ease;
        }

        .nav-item.active .material-icons-round {
            transform: translateY(-2px);
        }


        .nav-glow {
            position: absolute;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(90,158,111,0.5) 0%, rgba(90,158,111,0.15) 40%, transparent 70%);
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.3s ease, transform 0.15s ease;
            transform: translate(-50%, -50%);
            z-index: 0;
            filter: blur(2px);
        }
        [data-theme="dark"] .nav-glow {
            background: radial-gradient(circle, rgba(91,141,239,0.6) 0%, rgba(139,92,246,0.2) 40%, transparent 70%);
            filter: blur(3px);
        }
        .nav-glow.active {
            opacity: 1;
        }

        /* ===== Nav Drag Page Indicator ===== */
        .nav-page-indicator {
            position: absolute;
            top: -36px;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-full);
            padding: 4px 14px;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.2s ease, transform 0.2s ease;
            box-shadow: var(--elevation-card);
            z-index: 101;
        }
        .nav-page-indicator::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 8px;
            height: 8px;
            background: var(--glass-surface);
            border-right: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }
        .nav-page-indicator.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        .nav-label {
            position: relative;
            z-index: 1;
        }

        .page {
            display: none;
        }

        .page.active {
            display: block;
            animation: pageSlideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes pageSlideIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        @keyframes pageSlideOut {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(-30px);
            }
        }

        @keyframes pageSlideOutReverse {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(30px);
            }
        }

        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .slide-in-custom {
            animation: slideInCustom 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        @keyframes slideInCustom {
            from {
                opacity: 0;
                transform: translateX(var(--slide-in-from, 30px));
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .dashboard-page,
        .log-page,
        .history-page,
        .stats-page,
        .settings-page {
            padding: 16px 20px;
        }

        .greeting-card {
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.18) 0%, rgba(212, 132, 74, 0.10) 50%, rgba(58, 155, 140, 0.08) 100%);
            backdrop-filter: blur(24px) saturate(160%);
            -webkit-backdrop-filter: blur(24px) saturate(160%);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            color: var(--text-primary);
            margin-bottom: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.7), inset 0 0 60px rgba(90, 158, 111, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.6);
            position: relative;
            overflow: hidden;
            transition: background 0.5s ease, box-shadow 0.5s ease, border-color 0.5s ease;
        }

        [data-theme="dark"] .greeting-card {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.15) 0%, rgba(139, 92, 246, 0.12) 50%, rgba(6, 182, 212, 0.08) 100%);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 0 60px rgba(91, 141, 239, 0.05);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .dashboard-meta {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 10px;
            margin-bottom: 20px;
        }

        .meta-chip {
            padding: 14px 14px 12px;
            border-radius: var(--radius-lg);
            background: var(--glass-surface);
            border: 1px solid var(--glass-border);
            box-shadow: var(--elevation-card);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
        }

        .meta-chip-label {
            display: block;
            font-size: 11px;
            color: var(--text-tertiary);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }

        .meta-chip strong {
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 600;
            line-height: 1.35;
        }

        [data-theme="dark"] .meta-chip {
            background: rgba(20, 24, 36, 0.72);
        }

        .greeting-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(90, 158, 111, 0.2) 0%, transparent 70%);
            filter: blur(20px);
        }

        [data-theme="dark"] .greeting-card::before {
            background: radial-gradient(circle, rgba(91, 141, 239, 0.2) 0%, transparent 70%);
        }

        .greeting-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: 60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 132, 74, 0.15) 0%, transparent 70%);
            filter: blur(30px);
        }

        [data-theme="dark"] .greeting-card::after {
            background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
        }

        .greeting-text {
            font-size: 14px;
            opacity: 0.65;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
            font-weight: 500;
        }

        [data-theme="dark"] .greeting-text {
            opacity: 0.7;
        }

        .greeting-days {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
            background: var(--greeting-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .greeting-subtitle {
            font-size: 13px;
            opacity: 0.5;
            position: relative;
            z-index: 1;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.5);
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            margin-top: 16px;
            position: relative;
            z-index: 1;
            border: 1px solid rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(8px);
        }

        [data-theme="dark"] .status-badge {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 20px;
        }

        .stat-card {
            padding: 20px 16px;
            position: relative;
            overflow: hidden;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--elevation-float);
        }

        .stat-card:active {
            transform: scale(0.97);
            transition-duration: 0.1s;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.5;
        }

        .stat-card[data-accent="green"] {
            --accent: var(--color-success);
        }
        .stat-card[data-accent="orange"] {
            --accent: var(--color-secondary);
        }
        .stat-card[data-accent="teal"] {
            --accent: var(--color-tertiary);
        }
        .stat-card[data-accent="amber"] {
            --accent: var(--color-warning);
        }
        .stat-card[data-accent="coral"] {
            --accent: var(--color-error);
        }

        .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            font-size: 20px;
        }

        .stat-card[data-accent="green"] .stat-icon {
            background: var(--color-success-glow);
            color: var(--color-success);
        }
        .stat-card[data-accent="orange"] .stat-icon {
            background: var(--color-secondary-glow);
            color: var(--color-secondary);
        }
        .stat-card[data-accent="teal"] .stat-icon {
            background: var(--color-tertiary-glow);
            color: var(--color-tertiary);
        }
        .stat-card[data-accent="amber"] .stat-icon {
            background: var(--color-warning-glow);
            color: var(--color-warning);
        }
        .stat-card[data-accent="coral"] .stat-icon {
            background: var(--color-error-glow);
            color: var(--color-error);
        }

        .stat-label {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .stat-value {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            transition: transform 0.2s ease;
        }
        .stat-value.counting {
            transform: scale(1.08);
        }

        .stat-unit {
            font-size: 12px;
            color: var(--text-tertiary);
            font-weight: 500;
            margin-left: 2px;
        }

        .section-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 28px 0 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            letter-spacing: -0.3px;
        }

        .section-title .material-icons-round {
            font-size: 20px;
            color: var(--color-primary-light);
            opacity: 0.8;
        }

        .health-card {
            padding: 24px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
            position: relative;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
        }
        .health-card:active {
            transform: scale(0.95);
            transition-duration: 0.1s;
        }
        .health-card .expand-hint {
            font-size: 11px;
            color: var(--text-tertiary);
            text-align: center;
            margin-top: 8px;
            opacity: 0.7;
            transition: opacity 0.2s;
        }
        .health-card:hover .expand-hint {
            opacity: 1;
        }

        .health-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .progress-ring-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
        }

        .progress-ring-svg {
            transform: rotate(-90deg);
            filter: drop-shadow(0 0 8px var(--ring-glow));
        }

        .progress-ring-bg {
            fill: none;
            stroke: rgba(0, 0, 0, 0.06);
            stroke-width: 6;
        }

        [data-theme="dark"] .progress-ring-bg {
            stroke: rgba(255, 255, 255, 0.08);
        }

        .progress-ring-fill {
            fill: none;
            stroke: url(#ringGradient);
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 2s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -1px;
        }

        .progress-label {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 4px;
            font-weight: 500;
        }

        .dimension-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin-top 0.3s ease;
            opacity: 0;
        }
        .dimension-list.expanded {
            max-height: 500px;
            opacity: 1;
            margin-top: 16px;
        }

        .dimension-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dimension-label {
            font-size: 11px;
            color: var(--text-tertiary);
            width: 60px;
            flex-shrink: 0;
            font-weight: 500;
        }

        .dimension-bar-bg {
            flex: 1;
            height: 6px;
            background: rgba(0, 0, 0, 0.06);
            border-radius: 3px;
            overflow: hidden;
        }

        [data-theme="dark"] .dimension-bar-bg {
            background: rgba(255, 255, 255, 0.06);
        }

        .dimension-bar-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .dimension-bar-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 10px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5));
            border-radius: 0 3px 3px 0;
        }

        .dimension-value {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-secondary);
            width: 28px;
            text-align: right;
        }

        .health-suggestion {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
        }

        [data-theme="dark"] .health-suggestion {
            border-top-color: rgba(255, 255, 255, 0.06);
        }

        .health-suggestion strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ===== AI 健康建议模块 ===== */
        .ai-advice-section {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
        }
        [data-theme="dark"] .ai-advice-section {
            border-top-color: rgba(255, 255, 255, 0.06);
        }
        .ai-advice-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }
        .ai-advice-title {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .ai-advice-title .material-icons-round {
            font-size: 18px;
            color: var(--color-primary);
        }
        .ai-advice-badge {
            font-size: 10px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-primary-glow), var(--color-tertiary-glow));
            color: var(--color-primary);
            letter-spacing: 0.5px;
        }
        .ai-advice-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border: none;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--color-primary), var(--color-tertiary));
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 2px 8px var(--color-primary-glow);
            font-family: var(--font);
        }
        .ai-advice-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px var(--color-primary-glow);
        }
        .ai-advice-btn:active {
            transform: translateY(0);
        }
        .ai-advice-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }
        .ai-advice-btn .material-icons-round {
            font-size: 16px;
        }
        .ai-advice-btn .spinner {
            width: 14px;
            height: 14px;
            border: 2px solid rgba(255,255,255,0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: ai-spin 0.8s linear infinite;
        }
        .ai-usage-hint {
            margin-top: -4px;
            margin-bottom: 8px;
            text-align: right;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-tertiary);
        }
        @keyframes ai-spin {
            to { transform: rotate(360deg); }
        }
        .ai-advice-content {
            margin-top: 12px;
            padding: 16px;
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.06), rgba(58, 155, 140, 0.04));
            border: 1px solid rgba(90, 158, 111, 0.12);
            border-radius: var(--radius-md);
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-secondary);
            display: none;
            animation: ai-fadeIn 0.5s ease;
        }
        [data-theme="dark"] .ai-advice-content {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.08), rgba(139, 92, 246, 0.06));
            border-color: rgba(91, 141, 239, 0.15);
        }
        .ai-advice-content.show {
            display: block;
        }
        .ai-advice-content strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .ai-advice-content h3, .ai-advice-content h4 {
            color: var(--text-primary);
            margin: 8px 0 4px;
        }
        .ai-advice-content ul, .ai-advice-content ol {
            padding-left: 18px;
            margin: 4px 0;
        }
        .ai-advice-content li {
            margin: 3px 0;
        }
        .ai-advice-content p {
            margin: 6px 0;
        }
        .ai-advice-timestamp {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 8px;
            text-align: right;
        }
        @keyframes ai-fadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .ai-advice-error {
            margin-top: 12px;
            padding: 12px 16px;
            background: rgba(224, 85, 85, 0.08);
            border: 1px solid rgba(224, 85, 85, 0.15);
            border-radius: var(--radius-md);
            font-size: 13px;
            color: var(--color-error);
            display: none;
        }
        .ai-advice-error.show {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ai-advice-error .material-icons-round {
            font-size: 18px;
        }
        /* AI建议预览（两行截断） */
        .ai-advice-preview {
            margin-top: 12px;
            padding: 14px 16px;
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.06), rgba(58, 155, 140, 0.04));
            border: 1px solid rgba(90, 158, 111, 0.12);
            border-radius: var(--radius-md);
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-secondary);
            display: none;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        [data-theme="dark"] .ai-advice-preview {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.08), rgba(139, 92, 246, 0.06));
            border-color: rgba(91, 141, 239, 0.15);
        }
        .ai-advice-preview.show {
            display: block;
        }
        .ai-advice-preview:hover {
            border-color: var(--color-primary);
            box-shadow: 0 2px 12px var(--color-primary-glow);
        }
        .ai-advice-preview-text {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ai-advice-preview-text strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .ai-advice-preview-expand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            margin-top: 8px;
            font-size: 12px;
            color: var(--color-primary);
            font-weight: 600;
        }
        .ai-advice-preview-expand .material-icons-round {
            font-size: 14px;
        }
        /* AI建议更新光效 */
        .ai-advice-btn.has-update {
            animation: ai-glow-pulse 2s ease-in-out infinite;
        }
        @keyframes ai-glow-pulse {
            0%, 100% { box-shadow: 0 2px 8px var(--color-primary-glow); }
            50% { box-shadow: 0 2px 20px var(--color-primary-glow), 0 0 30px var(--color-primary-glow); }
        }
        /* AI建议按钮-普通用户锁定态 */
        .ai-advice-btn.ai-btn-locked {
            background: var(--input-bg);
            border: 1px dashed var(--glass-border);
            color: var(--text-tertiary);
            box-shadow: none;
            opacity: 0.7;
        }
        .ai-advice-btn.ai-btn-locked:hover {
            background: var(--glass-border);
            box-shadow: none;
            opacity: 0.85;
        }
        .ai-advice-btn.ai-btn-locked .material-icons-round {
            color: var(--text-tertiary);
        }
        /* AI建议玻璃弹窗 */
        .ai-glass-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100dvh;
            box-sizing: border-box;
            background: rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow: hidden;
            overscroll-behavior: contain;
            opacity: 0;
            visibility: hidden;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .ai-glass-modal-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .ai-glass-modal {
            width: 100%;
            max-width: 480px;
            max-height: calc(100dvh - 40px);
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch;
            overscroll-behavior: contain;
            touch-action: pan-y;
            margin: 0;
            transform: translateY(30px) scale(0.95);
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .ai-glass-modal-overlay.show .ai-glass-modal {
            transform: translateY(0) scale(1);
        }
        .ai-glass-modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px 16px;
            border-bottom: 1px solid var(--glass-border);
            position: relative;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1;
            flex: 0 0 auto;
        }
        .ai-glass-modal-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .ai-glass-modal-title .material-icons-round {
            font-size: 22px;
            color: var(--color-primary);
        }
        .ai-glass-modal-close {
            width: 32px;
            height: 32px;
            border: none;
            border-radius: 50%;
            background: var(--input-bg);
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }
        .ai-glass-modal-close:hover {
            background: var(--glass-border);
            color: var(--text-primary);
        }
        .ai-glass-modal-close .material-icons-round {
            font-size: 18px;
        }
        .ai-glass-modal-body {
            flex: 0 0 auto;
            min-height: auto;
            padding: 20px 24px 24px;
            font-size: 14px;
            line-height: 1.9;
            color: var(--text-secondary);
            overflow: visible;
        }
        .ai-upgrade-modal {
            padding: 0 24px 24px;
            text-align: center;
        }
        .ai-upgrade-modal .ai-glass-modal-header {
            margin: 0 -24px 24px;
        }
        .ai-glass-modal-body strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .ai-glass-modal-body h3, .ai-glass-modal-body h4 {
            color: var(--text-primary);
            margin: 12px 0 6px;
        }
        .ai-glass-modal-body h3 { font-size: 15px; }
        .ai-glass-modal-body h4 { font-size: 14px; }
        .ai-glass-modal-body ul, .ai-glass-modal-body ol {
            padding-left: 20px;
            margin: 6px 0;
        }
        .ai-glass-modal-body li {
            margin: 4px 0;
        }
        .ai-glass-modal-body p {
            margin: 8px 0;
        }
        .ai-glass-modal-timestamp {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--glass-border);
            text-align: right;
        }
        .ai-glass-modal-source {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 8px;
            text-align: right;
            line-height: 1.5;
        }

        .log-form {
            padding: 28px 24px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--elevation-card);
        }

        .form-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
        }

        .form-title .material-icons-round {
            color: var(--color-primary-light);
            font-size: 24px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }

        .type-selector {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
        }

        .type-btn {
            flex: 1;
            padding: 18px 12px;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            background: var(--input-bg);
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-align: center;
            font-family: var(--font);
            color: var(--text-secondary);
            backdrop-filter: blur(8px);
        }

        .type-btn:hover {
            background: var(--glass-surface-hover);
            border-color: var(--glass-border-strong);
        }

        .type-btn.active {
            border-color: rgba(90, 158, 111, 0.35);
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.12), rgba(58, 155, 140, 0.08));
            box-shadow: 0 0 20px rgba(90, 158, 111, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.6);
        }

        [data-theme="dark"] .type-btn.active {
            border-color: rgba(91, 141, 239, 0.4);
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.15), rgba(139, 92, 246, 0.1));
            box-shadow: 0 0 20px rgba(91, 141, 239, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .type-btn .material-icons-round {
            font-size: 28px;
            margin-bottom: 8px;
            display: block;
            color: var(--text-tertiary);
            transition: color 0.2s;
        }

        .type-btn.active .material-icons-round {
            color: var(--color-primary-light);
        }

        .type-label {
            font-size: 14px;
            font-weight: 600;
        }

        .type-btn.active .type-label {
            color: var(--text-primary);
        }

        .type-desc {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-top: 4px;
        }

        .form-group {
            margin-bottom: 20px;
            position: relative;
            z-index: auto;
        }

        .form-input {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            background: var(--input-bg);
            font-family: var(--font);
            font-size: 15px;
            color: var(--text-primary);
            transition: all 0.2s;
            backdrop-filter: blur(4px);
        }

        .form-input:focus {
            outline: none;
            border-color: rgba(90, 158, 111, 0.4);
            background: var(--input-focus-bg);
            box-shadow: 0 0 0 3px rgba(90, 158, 111, 0.1);
        }

        [data-theme="dark"] .form-input:focus {
            border-color: rgba(91, 141, 239, 0.4);
            box-shadow: 0 0 0 3px rgba(91, 141, 239, 0.1);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        textarea.form-input {
            resize: none;
            min-height: 80px;
        }

        .time-inputs {
            display: flex;
            gap: 12px;
        }

        .time-inputs .form-input {
            flex: 1;
        }

        .mood-selector {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .mood-btn {
            padding: 10px 18px;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-full);
            background: var(--input-bg);
            font-family: var(--font);
            font-size: 13px;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text-secondary);
            backdrop-filter: blur(4px);
        }

        .mood-btn:hover {
            background: var(--glass-surface-hover);
            border-color: var(--glass-border-strong);
        }

        .mood-btn.active {
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.15), rgba(58, 155, 140, 0.10));
            border-color: rgba(90, 158, 111, 0.3);
            color: var(--color-primary-light);
            box-shadow: 0 0 12px rgba(90, 158, 111, 0.1);
        }

        [data-theme="dark"] .mood-btn.active {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.2), rgba(139, 92, 246, 0.15));
            border-color: rgba(91, 141, 239, 0.3);
            box-shadow: 0 0 12px rgba(91, 141, 239, 0.15);
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.85), rgba(58, 155, 140, 0.85));
            color: #fff;
            border: none;
            border-radius: var(--radius-full);
            font-family: var(--font);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 16px rgba(90, 158, 111, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(8px);
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(90, 158, 111, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .submit-btn:active {
            transform: translateY(0) scale(0.98);
        }

        [data-theme="dark"] .submit-btn {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.8), rgba(139, 92, 246, 0.8));
            box-shadow: 0 4px 16px rgba(91, 141, 239, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .history-search-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            padding: 10px 14px;
            background: var(--glass-surface);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .history-search-bar:focus-within {
            border-color: rgba(90, 158, 111, 0.4);
            box-shadow: 0 0 0 3px rgba(90, 158, 111, 0.08);
        }
        [data-theme="dark"] .history-search-bar:focus-within {
            border-color: rgba(91, 141, 239, 0.4);
            box-shadow: 0 0 0 3px rgba(91, 141, 239, 0.1);
        }
        .history-search-icon {
            font-size: 20px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .history-search-submit {
            width: 24px;
            height: 24px;
            padding: 0;
            border: none;
            background: transparent;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-family: var(--font);
        }
        .history-search-submit:hover {
            color: var(--color-primary);
            background: var(--glass-surface-hover);
        }
        .history-search-submit .material-icons-round {
            font-size: 20px;
        }
        .history-search-input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-family: var(--font);
            font-size: 14px;
            color: var(--text-primary);
            padding: 0;
        }
        .history-search-input::placeholder {
            color: var(--text-muted);
        }
        .history-search-clear {
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            cursor: pointer;
            padding: 2px;
            border-radius: 50%;
            color: var(--text-muted);
            transition: all 0.2s;
        }
        .history-search-clear:hover {
            background: var(--glass-border);
            color: var(--text-primary);
        }
        .history-search-clear .material-icons-round {
            font-size: 18px;
        }
        .history-search-fixed {
            position: relative;
            z-index: 1;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
        }
        .history-view-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            border-radius: 8px;
            color: var(--text-muted);
            transition: all 0.2s;
        }
        .history-view-toggle:hover {
            background: var(--glass-border);
            color: var(--color-primary);
        }
        .history-view-toggle .material-icons-round {
            font-size: 20px;
        }
        .history-filter-chips {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 4px 0 12px 0;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .history-filter-chips::-webkit-scrollbar { display: none; }
        .settings-select {
            width: 100%;
            min-width: 0;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            background: var(--input-bg);
            color: var(--text-primary);
            padding: 9px 10px;
            font: inherit;
            font-size: 12px;
            outline: none;
        }
        .filter-chip {
            flex-shrink: 0;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--glass-border);
            background: var(--glass-surface);
            color: var(--text-secondary);
            font-size: 13px;
            font-family: var(--font);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .filter-chip.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        [data-theme="dark"] .filter-chip.active {
            background: var(--color-primary);
            color: #fff;
        }
        .history-timeline {
            padding: 0 4px;
        }
        .timeline-item {
            display: flex;
            gap: 12px;
            position: relative;
            padding-bottom: 20px;
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-line {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex-shrink: 0;
            width: 24px;
        }
        .timeline-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 2px solid var(--glass-surface);
            box-shadow: 0 0 0 2px var(--color-primary);
            flex-shrink: 0;
            z-index: 1;
        }
        .timeline-dot.passive {
            background: var(--color-secondary);
            box-shadow: 0 0 0 2px var(--color-secondary);
        }
        .timeline-connector {
            width: 2px;
            flex: 1;
            background: var(--glass-border);
            margin-top: 4px;
        }
        .timeline-item:last-child .timeline-connector { display: none; }
        .timeline-content {
            flex: 1;
            background: var(--glass-surface);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 12px 16px;
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            transition: all 0.2s ease;
        }
        .timeline-content:active {
            transform: scale(0.98);
        }
        .timeline-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .timeline-type {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .timeline-mood {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .timeline-mood .material-icons-round {
            font-size: 14px;
        }
        .timeline-note {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 4px;
        }
        .history-search-empty {
            text-align: center;
            padding: 32px 16px;
            color: var(--text-muted);
        }
        .history-search-empty .material-icons-round {
            font-size: 40px;
            margin-bottom: 8px;
            display: block;
        }

        .history-batch-bar {
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(90, 158, 111, 0.16);
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.08), rgba(58, 155, 140, 0.05));
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            box-shadow: var(--elevation-card);
            flex-wrap: wrap;
        }
        [data-theme="dark"] .history-batch-bar {
            border-color: rgba(91, 141, 239, 0.18);
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.12), rgba(139, 92, 246, 0.08));
        }
        .history-batch-info {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
        }
        .history-batch-count {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 26px;
            height: 26px;
            padding: 0 8px;
            border-radius: 999px;
            background: rgba(255,255,255,0.65);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-size: 12px;
            font-weight: 700;
        }
        .history-batch-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .history-batch-btn {
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            background: var(--input-bg);
            color: var(--text-primary);
            font-family: var(--font);
            font-size: 12px;
            font-weight: 600;
            padding: 7px 12px;
            cursor: pointer;
            transition: all 0.2s ease;
            backdrop-filter: blur(4px);
        }
        .history-batch-btn:hover:not(:disabled) {
            transform: translateY(-1px);
            background: var(--glass-surface-hover);
        }
        .history-batch-btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }
        .history-select {
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: none;
            margin-top: 4px;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.45);
            background: rgba(255,255,255,0.18);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 2px 8px rgba(0,0,0,0.06), inset 0 1px 0 rgba(255,255,255,0.5);
            position: relative;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .history-select:hover {
            border-color: rgba(90,158,111,0.4);
            background: rgba(255,255,255,0.28);
            box-shadow: 0 2px 12px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
        }
        [data-theme="dark"] .history-select {
            border-color: rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.08);
            box-shadow: 0 2px 8px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.1);
        }
        [data-theme="dark"] .history-select:hover {
            border-color: rgba(91,141,239,0.4);
            background: rgba(255,255,255,0.14);
        }
        .history-select input {
            width: 20px;
            height: 20px;
            margin: 0;
            opacity: 0;
            position: absolute;
            cursor: pointer;
        }
        .history-select::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            border-radius: 3px;
            background: transparent;
            transition: all 0.2s ease;
        }
        .history-select input:checked + ::after,
        .history-select:has(input:checked)::after {
            background: linear-gradient(135deg, rgba(90,158,111,0.85), rgba(58,155,140,0.75));
            box-shadow: 0 1px 4px rgba(90,158,111,0.3);
        }
        [data-theme="dark"] .history-select:has(input:checked)::after {
            background: linear-gradient(135deg, rgba(91,141,239,0.85), rgba(139,92,246,0.7));
            box-shadow: 0 1px 4px rgba(91,141,239,0.3);
        }
        .history-select:has(input:checked) {
            border-color: rgba(90,158,111,0.35);
            background: rgba(255,255,255,0.25);
        }
        [data-theme="dark"] .history-select:has(input:checked) {
            border-color: rgba(91,141,239,0.35);
            background: rgba(255,255,255,0.12);
        }
        .history-item.selected {
            border-color: rgba(90, 158, 111, 0.28);
            box-shadow: 0 0 0 1px rgba(90, 158, 111, 0.10), var(--elevation-card);
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.06), var(--glass-surface));
        }
        [data-theme="dark"] .history-item.selected {
            border-color: rgba(91, 141, 239, 0.28);
            box-shadow: 0 0 0 1px rgba(91, 141, 239, 0.10), var(--elevation-card);
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.08), var(--glass-surface));
        }
        .history-item.selected:hover {
            transform: translateX(4px);
        }

        .history-filter {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
            overflow-x: auto;
            padding-bottom: 8px;
        }

        .filter-btn {
            padding: 8px 16px;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-full);
            background: var(--input-bg);
            font-family: var(--font);
            font-size: 13px;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s;
            color: var(--text-secondary);
            backdrop-filter: blur(4px);
        }

        .filter-btn:hover {
            background: var(--glass-surface-hover);
        }

        .filter-btn.active {
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.15), rgba(58, 155, 140, 0.10));
            border-color: rgba(90, 158, 111, 0.3);
            color: var(--color-primary-light);
            box-shadow: 0 0 12px rgba(90, 158, 111, 0.08);
        }

        [data-theme="dark"] .filter-btn.active {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.2), rgba(139, 92, 246, 0.15));
            border-color: rgba(91, 141, 239, 0.3);
            box-shadow: 0 0 12px rgba(91, 141, 239, 0.1);
        }

        .history-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .history-item {
            padding: 16px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all 0.2s;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
            cursor: pointer;
        }

        /* Virtual scroll container */
        #historyList.vs-container {
            position: relative;
            overflow-y: auto;
            will-change: transform;
        }
        #historyList.vs-container .vs-viewport .history-item {
            margin-bottom: 8px;
        }

        .history-item:hover {
            background: var(--glass-surface-hover);
            transform: translateX(4px);
        }

        .history-type-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 22px;
        }

        .history-type-icon.active-type {
            background: rgba(90, 158, 111, 0.12);
            color: var(--color-primary-light);
        }

        [data-theme="dark"] .history-type-icon.active-type {
            background: rgba(91, 141, 239, 0.15);
        }

        .history-type-icon.passive-type {
            background: rgba(212, 132, 74, 0.12);
            color: var(--color-secondary);
        }

        [data-theme="dark"] .history-type-icon.passive-type {
            background: rgba(139, 92, 246, 0.15);
            color: #A78BFA;
        }

        .history-info {
            flex: 1;
            min-width: 0;
        }

        .history-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 4px;
        }

        .history-type-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .history-date {
            font-size: 12px;
            color: var(--text-tertiary);
            font-weight: 500;
        }

        .history-mood {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        .history-note {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .delete-btn {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-muted);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
            margin-top: -4px;
            z-index: 1;
        }

        .delete-btn:hover {
            background: rgba(224, 85, 85, 0.1);
            color: var(--color-error);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-tertiary);
        }

        .empty-state .material-icons-round {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 16px;
            animation: emptyFloat 3s ease-in-out infinite;
        }

        @keyframes emptyFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .empty-state p {
            font-size: 14px;
            line-height: 1.6;
        }

        .empty-state .empty-subtitle {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .chart-card {
            padding: 20px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--elevation-card);
            margin-bottom: 16px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .chart-card:active {
            transform: scale(0.985);
            transition-duration: 0.1s;
        }

        .chart-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .chart-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .bar-chart {
            display: flex;
            align-items: flex-end;
            justify-content: space-around;
            height: 150px;
            padding: 0 8px;
            margin-bottom: 8px;
        }

        .bar-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .bar {
            width: 12px;
            border-radius: 6px 6px 0 0;
            background: linear-gradient(180deg, var(--color-primary), rgba(90, 158, 111, 0.4));
            transition: height 0.5s ease;
            box-shadow: 0 0 8px rgba(90, 158, 111, 0.15);
        }

        [data-theme="dark"] .bar {
            background: linear-gradient(180deg, var(--color-primary), rgba(91, 141, 239, 0.4));
            box-shadow: 0 0 8px rgba(91, 141, 239, 0.2);
        }

        .bar.passive {
            background: linear-gradient(180deg, var(--color-secondary), rgba(212, 132, 74, 0.4));
            box-shadow: 0 0 8px rgba(212, 132, 74, 0.15);
        }

        [data-theme="dark"] .bar.passive {
            background: linear-gradient(180deg, var(--color-secondary), rgba(139, 92, 246, 0.4));
            box-shadow: 0 0 8px rgba(139, 92, 246, 0.2);
        }

        .bar-label {
            font-size: 10px;
            color: var(--text-tertiary);
        }

        .bar-value {
            font-size: 10px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .chart-legend {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-top: 8px;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .legend-dot.active {
            background: var(--color-primary);
            box-shadow: 0 0 6px var(--color-primary-glow);
        }

        .legend-dot.passive {
            background: var(--color-secondary);
            box-shadow: 0 0 6px var(--color-secondary-glow);
        }

        .params-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 16px;
        }

        .param-card {
            padding: 16px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
        }

        .param-title {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .param-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .settings-group {
            padding: 4px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--elevation-card);
            margin-bottom: 16px;
        }

        .settings-section {
            margin-bottom: 18px;
        }

        .settings-section-title {
            padding: 0 4px 8px;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-tertiary);
        }

        .settings-item {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 16px;
            gap: 14px;
            cursor: pointer;
            transition: background 0.2s;
            border-radius: var(--radius-lg);
        }

        .settings-item:hover {
            background: rgba(0, 0, 0, 0.03);
        }

        .settings-item-button {
            border: none;
            background: transparent;
            text-align: left;
            font: inherit;
            color: inherit;
        }

        .settings-chevron {
            color: var(--text-muted);
            font-size: 20px;
        }

        .settings-item .material-icons-round {
            color: var(--text-tertiary);
            font-size: 24px;
        }

        .settings-item-text {
            flex: 1;
        }

        .settings-item-title {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .settings-item-desc {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 2px;
        }

        .settings-item .material-icons-round:last-child {
            color: var(--text-muted);
            font-size: 20px;
        }

        .ui-state-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            text-align: center;
            padding: 18px 16px;
            color: var(--text-tertiary);
        }

        .ui-state-icon {
            font-size: 28px;
            color: var(--color-primary);
            opacity: 0.85;
        }

        .ui-state-message {
            font-size: 13px;
            line-height: 1.7;
            white-space: pre-wrap;
        }

        .ui-state-detail {
            font-size: 12px;
            line-height: 1.6;
            color: var(--text-muted);
            white-space: pre-wrap;
        }

        .ui-state-action {
            padding: 7px 14px;
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            background: var(--input-bg);
            color: var(--text-primary);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
        }

        .toggle-switch {
            width: 50px;
            height: 30px;
            border-radius: 15px;
            background: rgba(0, 0, 0, 0.1);
            position: relative;
            cursor: pointer;
            transition: background 0.3s;
            border: 1px solid rgba(0, 0, 0, 0.06);
        }

        [data-theme="dark"] .toggle-switch {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .toggle-switch.active {
            background: linear-gradient(135deg, rgba(90, 158, 111, 0.5), rgba(58, 155, 140, 0.5));
            border-color: rgba(90, 158, 111, 0.3);
        }

        [data-theme="dark"] .toggle-switch.active {
            background: linear-gradient(135deg, rgba(91, 141, 239, 0.5), rgba(139, 92, 246, 0.5));
            border-color: rgba(91, 141, 239, 0.3);
        }

        .toggle-thumb {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: white;
            position: absolute;
            top: 2px;
            left: 2px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
            transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .toggle-switch.active .toggle-thumb {
            left: 24px;
        }

        .danger-text {
            color: var(--color-error) !important;
        }

        /* 头像裁剪弹窗 */
        .avatar-crop-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            z-index: 10001;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .avatar-crop-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .avatar-crop-modal {
            width: 100%;
            max-width: 360px;
            background: var(--glass-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            transform: translateY(20px) scale(0.95);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .avatar-crop-overlay.show .avatar-crop-modal {
            transform: translateY(0) scale(1);
        }
        .avatar-crop-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px 12px;
            border-bottom: 1px solid var(--glass-border);
        }
        .avatar-crop-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .avatar-crop-title .material-icons-round {
            font-size: 20px;
            color: var(--color-primary);
        }
        .avatar-crop-close {
            width: 30px; height: 30px;
            border: none; border-radius: 50%;
            background: var(--input-bg);
            color: var(--text-secondary);
            cursor: pointer;
            display: flex; align-items: center; justify-content: center;
            transition: all 0.2s;
        }
        .avatar-crop-close:hover {
            background: var(--glass-border);
            color: var(--text-primary);
        }
        .avatar-crop-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .avatar-crop-container {
            position: relative;
            width: 240px;
            height: 240px;
            overflow: hidden;
            border-radius: 12px;
            background: rgba(0,0,0,0.05);
            touch-action: none;
            user-select: none;
            -webkit-user-select: none;
        }
        .avatar-crop-container img {
            position: absolute;
            top: 0; left: 0;
            transform-origin: 0 0;
            pointer-events: none;
        }
        .avatar-crop-circle-mask {
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            pointer-events: none;
            z-index: 2;
        }
        .avatar-crop-hint {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: 12px;
            text-align: center;
        }
        .avatar-crop-zoom {
            width: 100%;
            max-width: 240px;
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            color: var(--text-tertiary);
            font-size: 12px;
        }
        .avatar-crop-zoom .material-icons-round {
            font-size: 16px;
        }
        .avatar-crop-zoom input[type="range"] {
            width: 100%;
            accent-color: var(--color-primary);
        }
        .avatar-crop-actions {
            display: flex;
            gap: 10px;
            padding: 12px 20px 20px;
        }
        .avatar-crop-actions button {
            flex: 1;
            padding: 10px 0;
            border: none;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .avatar-crop-cancel {
            background: rgba(0,0,0,0.05);
            color: var(--text-primary);
        }
        .avatar-crop-cancel:hover {
            background: rgba(0,0,0,0.08);
        }
        .avatar-crop-confirm {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            box-shadow: 0 4px 12px rgba(90, 158, 111, 0.3);
        }
        .avatar-crop-confirm:hover {
            box-shadow: 0 6px 16px rgba(90, 158, 111, 0.4);
            transform: translateY(-1px);
        }

        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--overlay-bg);
            backdrop-filter: blur(8px);
            display: none;
            align-items: flex-end;
            justify-content: center;
            z-index: 5000;
        }

        .modal-overlay.show {
            display: flex;
        }

        .modal-content {
            background: var(--modal-bg);
            backdrop-filter: blur(32px);
            -webkit-backdrop-filter: blur(32px);
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
            border: 1px solid var(--glass-border);
            border-bottom: none;
            padding: 24px;
            width: 100%;
            max-width: 480px;
            max-height: 70vh;
            overflow-y: auto;
            animation: slideUp 0.3s ease;
        }

        @keyframes slideUp {
            from {
                transform: translateY(100%);
            }
            to {
                transform: translateY(0);
            }
        }

        .modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .modal-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .modal-close {
            background: rgba(0, 0, 0, 0.04);
            border: 1px solid var(--glass-border);
            cursor: pointer;
            color: var(--text-secondary);
            padding: 8px;
            border-radius: var(--radius-full);
            transition: all 0.2s;
        }

        .modal-close:hover {
            background: rgba(0, 0, 0, 0.07);
        }

        [data-theme="dark"] .modal-close {
            background: rgba(255, 255, 255, 0.06);
        }

        [data-theme="dark"] .modal-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .toast {
            position: fixed;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: var(--toast-bg);
            color: var(--toast-color);
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(16px);
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 20050;
            white-space: nowrap;
            pointer-events: none;
        }

        .toast.show {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
        }

        .toast, .toast * {
            user-select: text;
            -webkit-user-select: text;
        }

        .advice-card {
            padding: 16px;
            margin-bottom: 10px;
            background: var(--glass-surface);
            backdrop-filter: var(--blur-glass);
            -webkit-backdrop-filter: var(--blur-glass);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--elevation-card);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .advice-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 24px;
        }

        .advice-text {
            flex: 1;
        }

        .advice-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .advice-desc {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .theme-toggle-btn {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-full);
            border: 1px solid var(--glass-border);
            background: var(--glass-surface);
            backdrop-filter: blur(8px);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .theme-toggle-btn:hover {
            background: var(--glass-surface-hover);
            border-color: var(--glass-border-strong);
            color: var(--text-primary);
        }

        .theme-toggle-btn .material-icons-round {
            font-size: 22px;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .theme-toggle-btn:active .material-icons-round {
            transform: rotate(180deg);
        }

        canvas {
            width: 100%;
            height: 200px;
            display: block;
        }

        @media (min-width: 768px) {
            .app-shell {
                max-width: 600px;
            }
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 360px) {
            .dashboard-page,
            .log-page,
            .history-page,
            .stats-page,
            .settings-page {
                padding: 12px 16px;
            }
            .dashboard-meta {
                grid-template-columns: 1fr;
            }
            .stats-grid,
            .params-grid {
                gap: 8px;
            }
        }

        ::-webkit-scrollbar {
            width: 0;
        }
    
        /* ===== Requirement 1: Remove fieldset borders ===== */
        fieldset { border: none !important; margin: 0 !important; padding: 0 !important; }
        fieldset legend { all: unset; }

        /* ===== Requirement 3: Mood Card Styles ===== */
        .mood-card{padding:12px 8px;border-radius:var(--radius-md);border:2px solid var(--glass-border);background:var(--glass-surface);cursor:pointer;transition:all 0.25s;display:flex;flex-direction:column;align-items:center;gap:4px;font-family:var(--font);position:relative;overflow:hidden;}
        .mood-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity 0.25s;border-radius:inherit;}
        .mood-card:hover{transform:translateY(-2px);}
        .mood-card:active{transform:scale(0.96);}
        .mood-card.active{border-color:transparent;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.1);}
        .mood-card[data-mood="精力充沛"]::before{background:linear-gradient(135deg,rgba(52,184,122,0.15),rgba(90,158,111,0.15));}
        .mood-card[data-mood="精力充沛"].active{border-color:#34B87A;background:rgba(52,184,122,0.1);}
        .mood-card[data-mood="一般"]::before{background:linear-gradient(135deg,rgba(232,160,32,0.15),rgba(212,148,74,0.15));}
        .mood-card[data-mood="一般"].active{border-color:#E8A020;background:rgba(232,160,32,0.1);}
        .mood-card[data-mood="疲惫"]::before{background:linear-gradient(135deg,rgba(224,85,85,0.15),rgba(200,60,60,0.15));}
        .mood-card[data-mood="疲惫"].active{border-color:#E05555;background:rgba(224,85,85,0.1);}
        .mood-card[data-mood="放松"]::before{background:linear-gradient(135deg,rgba(58,155,140,0.15),rgba(90,158,111,0.15));}
        .mood-card[data-mood="放松"].active{border-color:#3A9B8C;background:rgba(58,155,140,0.1);}
        .mood-card[data-mood="虚弱"]::before{background:linear-gradient(135deg,rgba(139,92,246,0.15),rgba(100,60,200,0.15));}
        .mood-card[data-mood="虚弱"].active{border-color:#8B5CF6;background:rgba(139,92,246,0.1);}
        .mood-card[data-mood="烦躁"]::before{background:linear-gradient(135deg,rgba(212,132,74,0.15),rgba(180,100,50,0.15));}
        .mood-card[data-mood="烦躁"].active{border-color:#D4844A;background:rgba(212,132,74,0.1);}
        .mood-card.active::before{opacity:1;}
        .mood-emoji{font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;}
        .mood-emoji .material-icons-round{font-size:26px;}
        .mood-text{font-size:calc(12px * var(--font-scale,1));color:var(--text-secondary);font-weight:500;}
        .mood-card.active .mood-text{color:var(--text-primary);}

        /* ===== Requirement 4: Form Validation ===== */
        .form-input.error{border-color:var(--color-error) !important;box-shadow:0 0 0 3px rgba(224,85,85,0.15) !important;}
        .form-error{font-size:calc(12px * var(--font-scale,1));color:var(--color-error);margin-top:6px;display:none;}
        .form-error.show{display:block;}

        /* ===== Requirement 5: Success Animation ===== */
        @keyframes hapticPulse{0%{transform:scale(1);}50%{transform:scale(1.05);}100%{transform:scale(1);}}
        .submit-btn.haptic-pulse{animation:hapticPulse 0.3s ease;}
        .success-checkmark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.2s;border-radius:inherit;}
        .submit-btn.success .success-checkmark{opacity:1;}
        .submit-btn.success .btn-text{opacity:0;}
        .success-checkmark svg{width:32px;height:32px;}
        .success-checkmark .checkmark-path{stroke:white;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:48;stroke-dashoffset:48;animation:drawCheck 0.4s 0.1s ease forwards;}
        @keyframes drawCheck{to{stroke-dashoffset:0;}}
        @keyframes cardFlyOut{0%{transform:scale(1) translateY(0);opacity:1;}60%{transform:scale(0.85) translateY(-30px);opacity:0.6;}100%{transform:scale(0.5) translateY(-120px);opacity:0;}}
        .card-fly-out{animation:cardFlyOut 0.6s cubic-bezier(0.4,0,0.2,1) forwards;pointer-events:none;}
        @keyframes shake{0%,100%{transform:translateX(0);}20%{transform:translateX(-4px);}40%{transform:translateX(4px);}60%{transform:translateX(-4px);}80%{transform:translateX(4px);}}

        /* ===== Requirement 6: Weekly Report ===== */
        .weekly-report{padding:16px;background:var(--glass-surface);border:1px solid var(--glass-border);border-radius:var(--radius-lg);margin-bottom:16px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);}
        .weekly-report:active{transform:scale(0.985);transition-duration:0.1s;}
        .weekly-report h3{font-size:calc(14px * var(--font-scale,1));font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:6px;}
        .weekly-report h3 .material-icons-round{font-size:18px;color:var(--color-primary);}
        .report-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--glass-border);}
        .report-item:last-child{border-bottom:none;}
        .report-item span:first-child{font-size:calc(13px * var(--font-scale,1));color:var(--text-secondary);}
        .report-item .value{font-size:calc(13px * var(--font-scale,1));font-weight:600;color:var(--text-primary);}
        .cycle-prediction-item{flex-direction:column;align-items:flex-start;gap:4px;padding:10px 0;border-bottom:none;border-top:1px solid var(--glass-border);margin-top:4px;}
        .cycle-prediction-item span:first-child{font-size:calc(12px * var(--font-scale,1));font-weight:600;color:var(--text-primary);}
        .cycle-prediction-item .value{font-weight:400;}

        /* ===== Requirement 7: Export Chart Button ===== */
        .export-chart-btn{background:var(--glass-surface);border:1px solid var(--glass-border);border-radius:var(--radius-full);padding:6px 14px;font-size:calc(12px * var(--font-scale,1));color:var(--text-secondary);cursor:pointer;transition:all 0.2s;font-family:var(--font);display:inline-flex;align-items:center;gap:4px;}
        .export-chart-btn:hover{background:var(--glass-surface-hover);color:var(--text-primary);}
        .export-chart-btn .material-icons-round{font-size:14px;}

        /* ===== Requirement 8: Search Box ===== */
        .search-box{flex:1;position:relative;}
        .search-box .material-icons-round{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--text-muted);}
        .search-box input{width:100%;padding:10px 12px 10px 40px;border:1px solid var(--glass-border);border-radius:var(--radius-full);background:var(--input-bg);font-family:var(--font);font-size:calc(14px * var(--font-scale,1));color:var(--text-primary);transition:all 0.2s;}
        .search-box input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow);}

        /* ===== Requirement 9: Trend Arrow ===== */
        .trend-arrow{display:inline-flex;align-items:center;gap:2px;font-size:calc(11px * var(--font-scale,1));font-weight:600;margin-left:6px;}
        .trend-arrow.up{color:var(--color-success);}
        .trend-arrow.down{color:var(--color-error);}
        .trend-arrow.neutral{color:var(--text-muted);}

        /* ===== Requirement 10: Donut/Pie Chart ===== */
        .pie-canvas-wrap{width:120px;height:120px;flex-shrink:0;}
        .pie-canvas-wrap canvas{width:100%;height:100%;}
        .pie-legend{display:flex;flex-direction:column;gap:8px;justify-content:center;}
        .pie-legend-item{display:flex;align-items:center;gap:8px;font-size:calc(13px * var(--font-scale,1));color:var(--text-secondary);transition:all 0.2s ease;}
        .pie-legend-item.highlighted{color:var(--text-primary);font-weight:600;background:var(--glass-bg);box-shadow:0 2px 8px var(--shadow-sm);}
        .pie-legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
        .pie-legend-value{margin-left:auto;font-weight:600;color:var(--text-primary);}

        /* ===== Requirement 11: Heatmap ===== */
        /* ===== Calendar-Heatmap ===== */
        .hm-cal-month{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:6px;text-align:center;}
        .hm-cal-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;margin-bottom:4px;}
        .hm-cal-weekdays span{font-size:11px;color:var(--text-muted);text-align:center;padding:2px 0;}
        .hm-cal-days{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;}
        .hm-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;font-size:11px;color:var(--text-secondary);position:relative;cursor:pointer;transition:all 0.15s;background:var(--glass-border);min-height:32px;}
        .hm-day:hover{transform:scale(1.08);z-index:1;box-shadow:0 2px 8px rgba(0,0,0,0.1);}
        .hm-day:active{transform:scale(0.95);}
        .hm-day.today{font-weight:700;color:var(--color-primary);outline:2px solid var(--color-primary);outline-offset:-2px;}
        .hm-day.other-month{opacity:0.25;cursor:default;background:transparent;}
        .hm-day.other-month:hover{transform:none;box-shadow:none;}
        .hm-day .hm-dots{display:flex;gap:2px;position:absolute;bottom:2px;}
        .hm-day .hm-dot{width:4px;height:4px;border-radius:50%;}
        .hm-day .hm-dot.a-dot{background:var(--color-primary);}
        .hm-day .hm-dot.p-dot{background:var(--color-secondary);}
        .hm-day.predicted{outline:2px dashed var(--color-warning);outline-offset:-2px;color:var(--color-warning);font-weight:600;}
        .hm-day.predicted .hm-pred-mark{position:absolute;top:2px;right:2px;width:5px;height:5px;border-radius:50%;background:var(--color-warning);}
        .hm-day.lv1{background:var(--color-primary-glow);}
        .hm-day.lv2{background:rgba(90,158,111,0.35);}
        .hm-day.lv3{background:rgba(90,158,111,0.55);}
        .hm-day.lv4{background:var(--color-primary);color:#fff;font-weight:600;}
        .hm-day.lv1.pri{background:var(--color-secondary-glow);}
        .hm-day.lv2.pri{background:rgba(212,132,74,0.35);}
        .hm-day.lv3.pri{background:rgba(212,132,74,0.55);}
        .hm-day.lv4.pri{background:var(--color-secondary);color:#fff;font-weight:600;}
        .hm-day.lv1.both{background:linear-gradient(135deg,var(--color-primary-glow),var(--color-secondary-glow));}
        .hm-day.lv2.both{background:linear-gradient(135deg,rgba(90,158,111,0.35),rgba(212,132,74,0.35));}
        .hm-day.lv3.both{background:linear-gradient(135deg,rgba(90,158,111,0.55),rgba(212,132,74,0.55));}
        .hm-day.lv4.both{background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));color:#fff;font-weight:600;}
        [data-theme="dark"] .hm-day.lv2{background:rgba(123,168,247,0.25);}
        [data-theme="dark"] .hm-day.lv3{background:rgba(123,168,247,0.45);}
        [data-theme="dark"] .hm-day.lv4{background:var(--chart-primary);color:#fff;}
        [data-theme="dark"] .hm-day.lv2.pri{background:rgba(167,139,250,0.25);}
        [data-theme="dark"] .hm-day.lv3.pri{background:rgba(167,139,250,0.45);}
        [data-theme="dark"] .hm-day.lv4.pri{background:var(--chart-secondary);color:#fff;}
        [data-theme="dark"] .hm-day.lv2.both{background:linear-gradient(135deg,rgba(123,168,247,0.25),rgba(167,139,250,0.25));}
        [data-theme="dark"] .hm-day.lv3.both{background:linear-gradient(135deg,rgba(123,168,247,0.45),rgba(167,139,250,0.45));}
        [data-theme="dark"] .hm-day.lv4.both{background:linear-gradient(135deg,var(--chart-primary),var(--chart-secondary));color:#fff;}
        .hm-cal-legend{display:flex;gap:10px;margin-top:10px;justify-content:center;flex-wrap:wrap;align-items:center;}
        .hm-legend-item{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--text-secondary);}
        .hm-legend-dot{width:10px;height:10px;border-radius:3px;}
        .hm-legend-bar{display:flex;gap:2px;align-items:center;}
        .hm-bar-cell{width:8px;height:8px;border-radius:2px;display:inline-block;}

        /* ===== Heatmap Day Popup ===== */
        .heatmap-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--modal-bg);border:1px solid var(--glass-border);border-radius:var(--radius-xl);padding:20px;min-width:260px;max-width:320px;box-shadow:var(--elevation-float);z-index:1000;animation:popIn 0.25s cubic-bezier(0.34,1.56,0.64,1);}
        .heatmap-popup h4{font-size:15px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:6px;}
        .heatmap-popup .popup-stat{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--glass-border);font-size:13px;}
        .heatmap-popup .popup-stat:last-child{border-bottom:none;}
        .heatmap-popup .popup-stat span:last-child{font-weight:600;color:var(--color-primary);}
        .heatmap-popup .popup-close{position:absolute;top:12px;right:12px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:20px;padding:4px;}
        @keyframes popIn{from{opacity:0;transform:translate(-50%,-50%) scale(0.9);}to{opacity:1;transform:translate(-50%,-50%) scale(1);}}

        /* ===== Collapsible Card ===== */
        .collapsible-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none;}
        .collapsible-header .collapse-icon{transition:transform 0.3s ease;font-size:20px;color:var(--text-muted);}
        .collapsible-header.collapsed .collapse-icon{transform:rotate(-90deg);}
        .collapsible-body{overflow:hidden;transition:max-height 0.35s cubic-bezier(0.4,0,0.2,1),opacity 0.3s ease;max-height:600px;opacity:1;}
        .collapsible-body.collapsed{max-height:0;opacity:0;}

        /* ===== Quick Note Tags ===== */
        .quick-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px;}
        .quick-tag{display:inline-flex;align-items:center;gap:3px;padding:5px 10px;border-radius:var(--radius-full);border:1px solid var(--glass-border);background:var(--glass-surface);color:var(--text-secondary);font-size:11px;cursor:pointer;transition:all 0.2s;font-family:var(--font);}
        .quick-tag:hover{background:var(--color-primary-glow);border-color:var(--color-primary);color:var(--color-primary);}
        .quick-tag:active{transform:scale(0.95);}
        .quick-tag .material-icons-round{font-size:13px;}

        /* ===== Mood Trend Chart ===== */
        .mood-trend-canvas{width:100%;height:180px;display:block;}

        /* ===== Auth Pages ===== */
        .auth-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--glass-bg);z-index:2000;display:flex;align-items:center;justify-content:center;animation:fadeIn 0.3s;}
        .auth-page{width:100%;max-width:400px;padding:32px 24px;background:var(--glass-surface);backdrop-filter:var(--blur-glass);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--elevation-float);}
        .auth-logo{text-align:center;margin-bottom:24px;}
        .auth-logo .logo-icon{font-size:48px;color:var(--color-primary);display:block;margin-bottom:8px;}
        .auth-logo h2{font-size:20px;font-weight:700;color:var(--text-primary);}
        .auth-logo p{font-size:13px;color:var(--text-tertiary);margin-top:4px;}
        .auth-form{display:flex;flex-direction:column;gap:14px;}
        .auth-input-group{position:relative;}
        .auth-input-group .material-icons-round{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--text-muted);}
        .auth-input{width:100%;padding:14px 14px 14px 44px;border:1.5px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--input-bg);color:var(--text-primary);font-size:15px;outline:none;transition:all 0.2s;box-sizing:border-box;}
        .auth-input:focus{border-color:var(--color-primary);background:var(--input-focus-bg);box-shadow:0 0 0 3px var(--color-primary-glow);}
        .auth-input::placeholder{color:var(--text-muted);}
        .auth-captcha{display:flex;flex-direction:column;gap:8px;}
        .auth-captcha-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-tertiary);padding:0 2px;}
        .auth-captcha-refresh{display:inline-flex;align-items:center;gap:4px;padding:0;border:none;background:none;color:var(--color-primary);font-size:12px;cursor:pointer;transition:opacity 0.2s;}
        .auth-captcha-refresh:hover{opacity:0.8;}
        .auth-captcha-refresh:disabled{opacity:0.5;cursor:not-allowed;}
        .auth-captcha-refresh .material-icons-round{font-size:16px;position:static;transform:none;left:auto;top:auto;color:inherit;}
        .auth-captcha-fallback{display:flex;flex-direction:column;gap:8px;}
        .auth-captcha-row{display:flex;align-items:stretch;gap:12px;}
        button.auth-captcha-image-wrap{padding:0;cursor:pointer;}
        .auth-captcha-image-wrap{width:122px;min-width:122px;height:46px;border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--glass-surface);backdrop-filter:var(--blur-glass);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--elevation-card);}
        .auth-captcha-image{width:100%;height:100%;object-fit:cover;display:block;user-select:none;-webkit-user-drag:none;}
        .auth-captcha-input-wrap{flex:1;min-width:0;}
        .auth-captcha-input{padding-left:44px;}
        .auth-turnstile{min-height:65px;display:flex;align-items:center;justify-content:center;border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--glass-surface);overflow:hidden;}
        .auth-turnstile.is-loading::before{content:"Loading verification...";font-size:12px;color:var(--text-tertiary);}
        .auth-btn{width:100%;padding:14px;border:none;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--color-primary),var(--color-tertiary));color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all 0.2s;box-sizing:border-box;}
        .auth-btn:hover{opacity:0.9;transform:translateY(-1px);}
        .auth-btn:active{transform:scale(0.98);}
        .auth-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none;}
        .auth-switch{text-align:center;margin-top:16px;font-size:13px;color:var(--text-tertiary);}
        .auth-switch a{color:var(--color-primary);cursor:pointer;font-weight:500;text-decoration:none;}
        .auth-switch a:hover{text-decoration:underline;}
        .auth-error{background:var(--color-error-glow);color:var(--color-error);padding:10px 14px;border-radius:var(--radius-md);font-size:13px;display:none;align-items:flex-start;gap:8px;line-height:1.55;}
        .auth-error.show{display:flex;}
        .auth-error-body{flex:1;min-width:0;}
        .auth-error-title{font-weight:600;}
        .auth-error-summary{margin-top:4px;word-break:break-word;}
        .auth-error details{margin-top:8px;}
        .auth-error summary{cursor:pointer;font-size:12px;color:var(--color-primary);list-style:none;outline:none;}
        .auth-error summary::-webkit-details-marker{display:none;}
        .auth-error pre{margin:8px 0 0;padding:10px;border-radius:var(--radius-md);background:rgba(0,0,0,0.05);color:var(--text-primary);white-space:pre-wrap;word-break:break-word;font-size:11px;line-height:1.5;max-height:180px;overflow:auto;}
        .auth-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:24px;padding:4px;}
        .password-entry{margin-top:12px;}
        .password-entry .settings-item-title{display:flex;align-items:center;gap:8px;}

        /* ===== User Profile in Settings ===== */
        .user-profile{display:flex;align-items:center;gap:14px;padding:20px;background:var(--glass-surface);backdrop-filter:var(--blur-glass);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--elevation-card);margin-bottom:16px;}
        .user-avatar{width:52px;height:52px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff;flex-shrink:0;box-shadow:0 2px 8px rgba(0,0,0,0.15);}
        .user-info{flex:1;min-width:0;}
        .user-name{font-size:16px;font-weight:600;color:var(--text-primary);}
        .user-status{font-size:12px;color:var(--text-tertiary);margin-top:2px;display:flex;align-items:center;gap:4px;}
        .user-status .sync-dot{width:6px;height:6px;border-radius:50%;background:var(--color-success);}
        .user-actions{display:flex;gap:8px;}
        .user-action-btn{width:36px;height:36px;border-radius:var(--radius-full);border:1px solid var(--glass-border);background:var(--glass-surface);color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s, width 0.2s ease, padding 0.2s ease, gap 0.2s ease;overflow:hidden;}
        .user-action-btn:hover{background:var(--glass-surface-hover);color:var(--text-primary);}
        .user-action-btn .material-icons-round{font-size:18px;}
        .user-action-btn.busy{width:auto;min-width:92px;padding:0 12px;gap:6px;border-radius:999px;}
        .user-action-btn.busy .material-icons-round{font-size:16px;}
        .user-action-btn .busy-label{font-size:12px;font-weight:700;white-space:nowrap;}
        .submit-btn.is-busy{opacity:0.88;cursor:wait;}
        .spin{animation:spin 0.9s linear infinite;}
        @keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
        .login-prompt{display:flex;align-items:center;gap:14px;padding:20px;background:var(--glass-surface);backdrop-filter:var(--blur-glass);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--elevation-card);margin-bottom:16px;cursor:pointer;transition:all 0.2s;}
        .login-prompt:hover{background:var(--glass-surface-hover);}
        .login-prompt-icon{width:52px;height:52px;border-radius:var(--radius-full);background:var(--color-primary-glow);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
        .login-prompt-icon .material-icons-round{font-size:24px;color:var(--color-primary);}
        .login-prompt-text{flex:1;}
        .login-prompt-title{font-size:15px;font-weight:600;color:var(--text-primary);}
        .login-prompt-desc{font-size:12px;color:var(--text-tertiary);margin-top:2px;}

        /* ===== Backup Prompt Modal ===== */
        .backup-prompt{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--overlay-bg);z-index:2000;display:flex;align-items:center;justify-content:center;animation:fadeIn 0.3s;}
        .backup-prompt-card{width:90%;max-width:360px;padding:24px;background:var(--modal-bg);border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--elevation-float);animation:popIn 0.25s cubic-bezier(0.34,1.56,0.64,1);}
        .backup-prompt-card h3{font-size:17px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
        .backup-prompt-card p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:20px;}
        .backup-prompt-btns{display:flex;gap:10px;}
        .backup-prompt-btns button{flex:1;padding:12px;border:none;border-radius:var(--radius-lg);font-size:14px;font-weight:500;cursor:pointer;transition:all 0.2s;}
        .backup-prompt-btns .btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-tertiary));color:#fff;}
        .backup-prompt-btns .btn-secondary{background:var(--glass-surface);color:var(--text-secondary);border:1px solid var(--glass-border);}
        .backup-prompt-btns .btn-never{flex:none;display:inline-flex;align-items:center;justify-content:center;min-width:120px;padding:8px 14px;border-radius:999px;border:1px solid var(--glass-border);background:var(--input-bg);color:var(--text-muted);font-size:12px;font-weight:600;cursor:pointer;transition:all 0.2s ease;}
        .backup-prompt-btns .btn-never:hover{background:var(--glass-surface-hover);color:var(--text-primary);}
        .glass-liquid-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--glass-border);background:var(--input-bg);color:var(--text-primary);font-family:var(--font);cursor:pointer;transition:all 0.2s ease;}
        .liquid-glass-mode .glass-liquid-button{backdrop-filter:var(--blur-glass);-webkit-backdrop-filter:var(--blur-glass);background:linear-gradient(135deg,rgba(255,255,255,0.72),rgba(255,255,255,0.46));box-shadow:inset 0 1px 0 rgba(255,255,255,0.34),0 8px 24px rgba(0,0,0,0.06);}
        html[data-theme="dark"] body.liquid-glass-mode .glass-liquid-button{background:linear-gradient(135deg,rgba(255,255,255,0.10),rgba(255,255,255,0.05));box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 8px 24px rgba(0,0,0,0.16);}
        .liquid-glass-mode .glass-liquid-button:hover{background:var(--glass-surface-hover);transform:translateY(-1px);}
        .liquid-glass-mode .glass-liquid-button:active{transform:translateY(0);}
        .glass-liquid-button--full{width:100%;padding:12px;border-radius:12px;font-size:14px;font-weight:500;}
        .glass-liquid-button--pill{min-width:120px;padding:8px 14px;border-radius:999px;font-size:12px;font-weight:600;}

        /* ===== Chart Tooltip ===== */
        .chart-tooltip{position:absolute;background:var(--modal-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:8px 12px;font-size:12px;color:var(--text-primary);pointer-events:none;opacity:0;transition:opacity 0.15s;z-index:10;box-shadow:0 4px 12px rgba(0,0,0,0.15);white-space:nowrap;}
        .chart-tooltip.show{opacity:1;}

    
        /* ===== Iteration 1: Transition Animations ===== */
        @keyframes slideOutLeft {
            0% { transform: translateX(0); opacity: 1; max-height: 120px; margin-bottom: 12px; }
            60% { transform: translateX(-60px); opacity: 0; }
            100% { transform: translateX(-100%); opacity: 0; max-height: 0; margin-bottom: 0; padding: 0; overflow: hidden; }
        }
        .history-item.deleting {
            animation: slideOutLeft 0.4s ease forwards;
            pointer-events: none;
        }
        @keyframes navBounce {
            0% { transform: translateY(0) scale(1); }
            30% { transform: translateY(-4px) scale(1.12); }
            50% { transform: translateY(-2px) scale(1.05); }
            70% { transform: translateY(-3px) scale(1.08); }
            100% { transform: translateY(-2px) scale(1); }
        }
        .nav-item.active .nav-icon { animation: navBounce 0.4s ease; }
        @keyframes barGrow {
            from { transform: scaleY(0); }
            to { transform: scaleY(1); }
        }
        .bar { transform-origin: bottom; animation: barGrow 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
        .bar.passive { animation-delay: 0.1s; }

        /* ===== Iteration 2: Empty State ===== */
        .empty-state .go-record-btn {
            margin-top: 16px;
            padding: 10px 24px;
            font-size: calc(14px * var(--font-scale, 1));
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            font-family: var(--font);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: white;
            transition: all 0.2s;
        }
        .empty-state .go-record-btn:hover { opacity: 0.9; transform: translateY(-1px); }
        .health-ring-empty { stroke-dasharray: 8 6 !important; opacity: 0.4; }

        /* ===== Iteration 4: Form Enhancements ===== */
        .char-count { font-size: calc(11px * var(--font-scale, 1)); color: var(--text-muted); text-align: right; margin-top: 4px; }
        .char-count.warn { color: var(--color-warning); }
        .char-count.over { color: var(--color-error); }
        textarea.form-input { min-height: 60px; max-height: 160px; resize: none; overflow-y: auto; transition: height 0.2s; }

        /* ===== Iteration 5: Data Insights ===== */
        .insight-card { padding: 12px 16px; background: var(--glass-surface); border: 1px solid var(--glass-border); border-radius: var(--radius-md); margin-bottom: 8px; display: flex; align-items: flex-start; gap: 10px; }
        .insight-card .material-icons-round { font-size: 18px; margin-top: 2px; flex-shrink: 0; }
        .insight-card .insight-text { font-size: calc(13px * var(--font-scale, 1)); color: var(--text-secondary); line-height: 1.5; }
        .insight-card .insight-text strong { color: var(--text-primary); }

        /* ===== Iteration 11: Month Comparison ===== */
        .month-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
        .month-compare-card { padding: 12px; background: var(--glass-surface); border: 1px solid var(--glass-border); border-radius: var(--radius-md); }
        .month-compare-card h4 { font-size: calc(13px * var(--font-scale, 1)); font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
        .month-compare-stat { display: flex; justify-content: space-between; padding: 4px 0; font-size: calc(12px * var(--font-scale, 1)); color: var(--text-secondary); }
        .month-compare-stat .val { font-weight: 600; color: var(--text-primary); }

        /* ===== Iteration 12: Mood Distribution ===== */
        .mood-dist-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
        .mood-dist-label { font-size: calc(12px * var(--font-scale, 1)); color: var(--text-secondary); width: 60px; flex-shrink: 0; text-align: right; }
        .mood-dist-track { flex: 1; height: 20px; background: var(--glass-border); border-radius: 10px; overflow: hidden; position: relative; }
        .mood-dist-fill { height: 100%; border-radius: 10px; transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); display: flex; align-items: center; justify-content: flex-end; padding-right: 8px; font-size: 11px; font-weight: 600; color: white; min-width: 24px; }

        /* ===== Iteration 13: Merge Import ===== */
        .import-actions { display: flex; gap: 8px; }
        .import-actions button { flex: 1; }
        .user-sync-detail{font-size:12px;line-height:1.45;color:var(--text-secondary);margin-top:6px;max-width:220px;}
        .user-sync-detail strong{color:var(--text-primary);}
        .cal-nav{display:flex;gap:8px;align-items:center;}
        .cal-nav button{width:34px;height:34px;padding:0;border-radius:999px;border:1px solid var(--glass-border);background:var(--glass-surface);backdrop-filter:var(--blur-light);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;box-shadow:var(--elevation-card);cursor:pointer;transition:all .2s ease;}
        .cal-nav button:hover{background:var(--glass-surface-hover);color:var(--text-primary);transform:translateY(-1px);box-shadow:var(--elevation-card-hover);}
        .cal-nav button:active{transform:translateY(0);background:var(--glass-surface-active);}
        .cal-nav button .material-icons-round{font-size:18px;}
        .profile-upload{display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--radius-xl);border:1px solid var(--glass-border);background:var(--glass-surface);backdrop-filter:var(--blur-glass);box-shadow:var(--elevation-card);}
        .profile-upload-preview{width:72px;height:72px;flex-shrink:0;border-radius:var(--radius-full);box-shadow:0 8px 20px rgba(0,0,0,.12);}
        .profile-upload-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
        .profile-upload-title{font-size:14px;font-weight:600;color:var(--text-primary);}
        .profile-upload-sub{font-size:12px;color:var(--text-tertiary);line-height:1.5;}
        .profile-upload-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
        .profile-upload-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:none;border-radius:999px;background:var(--nav-active-bg);color:var(--text-primary);border:1px solid var(--nav-active-border);font-size:13px;font-weight:600;cursor:pointer;box-shadow:var(--elevation-card);transition:all .2s ease;}
        .profile-upload-btn:hover{transform:translateY(-1px);box-shadow:var(--elevation-card-hover);}
        .profile-upload-btn.secondary{background:var(--glass-surface);border-color:var(--glass-border);box-shadow:none;}
        .profile-upload-name{font-size:12px;color:var(--text-secondary);word-break:break-all;}
        .profile-file-input{display:none;}
        .history-highlight{background:rgba(255,213,94,.42);color:inherit;border-radius:4px;padding:0 2px;}
        .profile-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0 16px;}
        .profile-tab{border:1px solid var(--glass-border);background:var(--glass-surface);color:var(--text-secondary);border-radius:999px;padding:10px 12px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;}
        .profile-tab.active{background:var(--nav-active-bg);color:var(--text-primary);border-color:var(--nav-active-border);}
        .profile-panel{display:none;}
        .profile-panel.active{display:block;}
        .profile-sticky-actions{
            position: sticky;
            bottom: -24px;
            z-index: 4;
            display: flex;
            gap: 10px;
            margin: 16px -24px -24px;
            padding: 12px 24px calc(12px + env(safe-area-inset-bottom));
            background: color-mix(in srgb, var(--modal-bg) 92%, transparent);
            border-top: 1px solid var(--glass-border);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .profile-sticky-actions .auth-btn{flex:1;}
        .draft-status{font-size:12px;color:var(--text-tertiary);margin-top:8px;line-height:1.45;display:flex;align-items:center;gap:6px;}
        .draft-status.has-draft{color:var(--color-primary);}
        .draft-status .material-icons-round{font-size:14px;}
        .toast{pointer-events:auto;}
        .toast-inner{display:flex;align-items:center;gap:12px;}
        .toast-message{line-height:1.4;}
        .toast-action{border:none;background:rgba(255,255,255,0.12);color:inherit;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:700;cursor:pointer;pointer-events:auto;white-space:nowrap;}
        [data-theme="light"] .toast-action{background:rgba(255,255,255,0.2);}

    
        
        /* ===== Liquid Glass Mode (based on github.com/archisvaze/liquid-glass) ===== */
        /* Core technique: ::after with backdrop-filter: for optical distortion */
        /* ::before for inner highlight/tint, element itself for outer shadow and isolation */

        /* --- CSS Variables for Liquid Glass --- */
        .liquid-glass-mode {
            --lg-tint-color: 255, 255, 255;
            --lg-tint-opacity: 0.08;
            --lg-shadow-blur: 20px;
            --lg-shadow-spread: -5px;
            --lg-shadow-color: rgba(255, 255, 255, 0.45);
            --lg-outer-shadow: 0px 4px 24px rgba(0, 0, 0, 0.18);
            --lg-border-color: rgba(255, 255, 255, 0.35);
            --lg-blur: 40px;
            --lg-saturate: 1.4;
        }
        [data-theme="dark"].liquid-glass-mode,
        .liquid-glass-mode [data-theme="dark"] {
            --lg-tint-color: 200, 210, 230;
            --lg-tint-opacity: 0.06;
            --lg-shadow-color: rgba(200, 210, 230, 0.2);
            --lg-outer-shadow: 0px 4px 24px rgba(0, 0, 0, 0.3);
            --lg-border-color: rgba(255, 255, 255, 0.12);
        }

        /* --- Glass Card (main cards) --- */
        .liquid-glass-mode .glass-card {
            background-color: rgba(var(--lg-tint-color), var(--lg-tint-opacity)) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                var(--lg-outer-shadow),
                inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate)) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate)) !important;
            position: relative;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        .liquid-glass-mode .glass-card:hover {
            --lg-tint-opacity: 0.12;
            --lg-shadow-color: rgba(255, 255, 255, 0.55);
            background-color: rgba(var(--lg-tint-color), var(--lg-tint-opacity)) !important;
        }

        .liquid-glass-mode .weekly-report,
        .liquid-glass-mode .health-card,
        .liquid-glass-mode .user-profile {
            background-color: rgba(var(--lg-tint-color), 0.075) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                var(--lg-outer-shadow),
                inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate)) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur)) saturate(var(--lg-saturate)) !important;
            overflow: hidden;
            position: relative;
        }

        .liquid-glass-mode .health-card {
            border-radius: var(--radius-xl) !important;
        }

        .liquid-glass-mode .weekly-report {
            border-radius: var(--radius-lg) !important;
        }

        .liquid-glass-mode .user-profile {
            border-radius: var(--radius-xl) !important;
        }

        /* --- Bottom Navigation Bar --- */
        .liquid-glass-mode .bottom-nav {
            /* Stronger, more saturated glass pill */
            background: rgba(var(--lg-tint-color), 0.10) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 8px 32px rgba(0, 0, 0, 0.18),
                0px 2px 8px rgba(0, 0, 0, 0.10),
                inset 0 1px 0 rgba(255, 255, 255, 0.50),
                inset 0 0 24px -6px var(--lg-shadow-color) !important;
            backdrop-filter: blur(56px) saturate(1.8) brightness(1.04) !important;
            -webkit-backdrop-filter: blur(56px) saturate(1.8) brightness(1.04) !important;
            overflow: visible !important;
            padding: 6px 8px calc(6px + var(--safe-bottom)) !important;
            gap: 0 !important;
            transition: box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                        background 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }

        /* Specular shimmer line on top edge of nav bar */
        .liquid-glass-mode .bottom-nav::before {
            content: '';
            position: absolute;
            top: 0; left: 16px; right: 16px;
            height: 1px;
            background: linear-gradient(90deg,
                transparent 0%,
                rgba(255, 255, 255, 0.70) 30%,
                rgba(255, 255, 255, 0.90) 50%,
                rgba(255, 255, 255, 0.70) 70%,
                transparent 100%);
            border-radius: 1px;
            pointer-events: none;
            z-index: 10;
        }

        /* Light mode: stronger specular because white-on-light needs more contrast */
        [data-theme="light"].liquid-glass-mode .bottom-nav::before,
        .liquid-glass-mode [data-theme="light"] .bottom-nav::before {
            background: linear-gradient(90deg,
                transparent 0%,
                rgba(255, 255, 255, 0.95) 30%,
                rgba(255, 255, 255, 1.0) 50%,
                rgba(255, 255, 255, 0.95) 70%,
                transparent 100%) !important;
        }

        /* Dark mode: slightly lower opacity shimmer */
        [data-theme="dark"].liquid-glass-mode .bottom-nav::before,
        .liquid-glass-mode [data-theme="dark"] .bottom-nav::before {
            background: linear-gradient(90deg,
                transparent 0%,
                rgba(255, 255, 255, 0.30) 30%,
                rgba(255, 255, 255, 0.45) 50%,
                rgba(255, 255, 255, 0.30) 70%,
                transparent 100%) !important;
        }

        /* ---- Individual nav items ---- */
        .liquid-glass-mode .nav-item {
            isolation: isolate;
            overflow: visible !important;
            border-radius: 999px !important;
            padding: 10px 4px !important;
            gap: 3px !important;
            transition:
                color 0.28s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
        }

        /* Inactive items: dimmer to make the active one pop */
        .liquid-glass-mode .nav-item:not(.active) {
            opacity: 0.52 !important;
            color: var(--text-secondary) !important;
        }
        .liquid-glass-mode .nav-item:not(.active):hover {
            opacity: 0.78 !important;
            transform: translateY(-1px) !important;
        }

        /* Active item text + icon */
        .liquid-glass-mode .nav-item.active,
        .liquid-glass-mode .nav-item.active .material-icons-round,
        .liquid-glass-mode .nav-item.active .nav-label {
            color: var(--text-primary) !important;
            opacity: 1 !important;
        }

        /* Active item: spring-bounce on the icon */
        .liquid-glass-mode .nav-item.active .material-icons-round {
            transform: translateY(-2px) scale(1.08) !important;
            transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
        }

        /* ---- Active pill (::before pseudo) — shared base ---- */
        .liquid-glass-mode .nav-item.active::before {
            inset: 4px 5px !important;
            border-radius: 999px !important;
            opacity: 1 !important;
            /* Layered gradient for depth */
            background:
                linear-gradient(
                    165deg,
                    rgba(var(--lg-tint-color), 0.28) 0%,
                    rgba(var(--lg-tint-color), 0.14) 60%,
                    rgba(var(--lg-tint-color), 0.08) 100%
                ) !important;
            border: 1px solid rgba(var(--lg-tint-color), 0.22) !important;
            box-shadow:
                0px 4px 16px rgba(0, 0, 0, 0.10),
                0px 1px 4px rgba(0, 0, 0, 0.06),
                inset 0 1px 0 rgba(255, 255, 255, 0.48),
                inset 0 0 12px -3px rgba(255, 255, 255, 0.30) !important;
            backdrop-filter: blur(16px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.4) !important;
            transition:
                inset 0.32s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.28s ease,
                background 0.28s ease !important;
        }

        /* Light mode active pill: strong white-frosted glass look */
        [data-theme="light"].liquid-glass-mode .nav-item.active::before,
        .liquid-glass-mode [data-theme="light"] .nav-item.active::before {
            background:
                linear-gradient(
                    165deg,
                    rgba(255, 255, 255, 0.96) 0%,
                    rgba(242, 244, 248, 0.88) 60%,
                    rgba(235, 238, 244, 0.80) 100%
                ) !important;
            border: 1px solid rgba(255, 255, 255, 0.72) !important;
            box-shadow:
                0px 4px 20px rgba(0, 0, 0, 0.10),
                0px 1px 3px rgba(0, 0, 0, 0.06),
                inset 0 1px 0 rgba(255, 255, 255, 1.0),
                inset 0 0 14px -3px rgba(255, 255, 255, 0.80) !important;
            backdrop-filter: blur(20px) saturate(1.5) brightness(1.06) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.5) brightness(1.06) !important;
        }

        /* Dark mode active pill */
        [data-theme="dark"].liquid-glass-mode .nav-item.active::before,
        .liquid-glass-mode [data-theme="dark"] .nav-item.active::before {
            background:
                linear-gradient(
                    165deg,
                    rgba(200, 215, 240, 0.18) 0%,
                    rgba(200, 215, 240, 0.10) 60%,
                    rgba(200, 215, 240, 0.06) 100%
                ) !important;
            border: 1px solid rgba(255, 255, 255, 0.18) !important;
            box-shadow:
                0px 4px 18px rgba(0, 0, 0, 0.22),
                inset 0 1px 0 rgba(255, 255, 255, 0.22),
                inset 0 0 14px -4px rgba(200, 215, 240, 0.18) !important;
        }

        /* ---- Sliding nav-glow: the moving "highlight bubble" ---- */
        .liquid-glass-mode .nav-glow {
            /* Reset to a clean translucent shape that slides with the active tab */
            background: radial-gradient(ellipse at 50% 20%,
                rgba(255, 255, 255, 0.18) 0%,
                rgba(255, 255, 255, 0.06) 55%,
                transparent 100%) !important;
            filter: none !important;
            width: 0;
            height: 0;
            border-radius: 999px !important;
            border: none !important;
            box-shadow: none !important;
            backdrop-filter: none !important;
            -webkit-backdrop-filter: none !important;
            position: absolute;
            overflow: hidden;
            pointer-events: none;
            transform: translate(-50%, -50%) !important;
            transition:
                left 0.36s cubic-bezier(0.34, 1.20, 0.64, 1),
                top 0.36s cubic-bezier(0.34, 1.20, 0.64, 1),
                width 0.32s cubic-bezier(0.34, 1.20, 0.64, 1),
                height 0.32s cubic-bezier(0.34, 1.20, 0.64, 1),
                opacity 0.28s ease !important;
        }

        /* Light mode glow dot: use primary green tint */
        [data-theme="light"].liquid-glass-mode .nav-glow,
        .liquid-glass-mode [data-theme="light"] .nav-glow {
            background: radial-gradient(ellipse at 50% 30%,
                rgba(90, 158, 111, 0.15) 0%,
                rgba(90, 158, 111, 0.04) 60%,
                transparent 100%) !important;
        }

        /* Dark mode glow dot */
        [data-theme="dark"].liquid-glass-mode .nav-glow,
        .liquid-glass-mode [data-theme="dark"] .nav-glow {
            background: radial-gradient(ellipse at 50% 20%,
                rgba(200, 215, 240, 0.14) 0%,
                rgba(200, 215, 240, 0.04) 55%,
                transparent 100%) !important;
        }

        /* ---- Nav Page Indicator (drag tooltip) ---- */
        .liquid-glass-mode .nav-page-indicator {
            background: rgba(var(--lg-tint-color), 0.12) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 4px 20px rgba(0, 0, 0, 0.14),
                inset 0 1px 0 rgba(255, 255, 255, 0.55),
                inset 0 0 14px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(28px) saturate(1.5) !important;
            -webkit-backdrop-filter: blur(28px) saturate(1.5) !important;
            overflow: hidden;
            font-weight: 700 !important;
            letter-spacing: 0.01em !important;
        }

        /* ---- Dark mode nav bar opacity tweak ---- */
        [data-theme="dark"].liquid-glass-mode .bottom-nav,
        .liquid-glass-mode [data-theme="dark"] .bottom-nav {
            background: rgba(var(--lg-tint-color), 0.07) !important;
            box-shadow:
                0px 8px 32px rgba(0, 0, 0, 0.30),
                0px 2px 8px rgba(0, 0, 0, 0.20),
                inset 0 1px 0 rgba(255, 255, 255, 0.12),
                inset 0 0 24px -6px rgba(200, 210, 230, 0.15) !important;
        }

        /* --- App Header --- */
        .liquid-glass-mode .app-header {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border-bottom: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 2px 16px rgba(0, 0, 0, 0.08),
                inset 0 0 16px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            overflow: hidden;
        }

        /* --- Modal Content --- */
        .liquid-glass-mode .modal-content {
            background-color: rgba(var(--lg-tint-color), 0.1) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 8px 40px rgba(0, 0, 0, 0.15),
                inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.5) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.5) !important;
            overflow-y: auto !important;
            -webkit-overflow-scrolling: touch !important;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }

        /* --- Form Inputs --- */
        .liquid-glass-mode .form-input {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 8px -2px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
            position: relative;
        }

        /* --- Type Buttons --- */
        .liquid-glass-mode .type-btn {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 8px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(12px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(12px) saturate(1.3) !important;
            position: relative;
            overflow: hidden;
        }
        .liquid-glass-mode .type-btn.active {
            background-color: rgba(90, 158, 111, 0.12) !important;
            border-color: rgba(90, 158, 111, 0.35) !important;
            box-shadow:
                0px 2px 12px rgba(90, 158, 111, 0.15),
                inset 0 0 12px -3px rgba(90, 158, 111, 0.3) !important;
        }

        /* --- Mood Cards --- */
        .liquid-glass-mode .mood-card {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Quick Tags --- */
        .liquid-glass-mode .quick-tag {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 6px -2px var(--lg-shadow-color) !important;
            backdrop-filter: blur(8px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(8px) saturate(1.2) !important;
            position: relative;
        }

        /* --- Advice Cards --- */
        .liquid-glass-mode .advice-card {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 14px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(20px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Submit Button --- */
        .liquid-glass-mode .submit-btn {
            background-color: rgba(90, 158, 111, 0.15) !important;
            border: 1px solid rgba(90, 158, 111, 0.35) !important;
            box-shadow:
                0px 2px 12px rgba(90, 158, 111, 0.2),
                inset 0 0 12px -3px rgba(90, 158, 111, 0.3) !important;
            backdrop-filter: blur(20px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Settings Items --- */
        .liquid-glass-mode .settings-group {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 14px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }
        .liquid-glass-mode .settings-item {
            background-color: transparent !important;
            border: none !important;
            box-shadow: none !important;
        }
        .liquid-glass-mode .settings-item::after {
            display: none;
        }
        .liquid-glass-mode .settings-item:hover {
            background: rgba(var(--lg-tint-color), 0.06) !important;
        }

        /* --- Stat Cards --- */
        .liquid-glass-mode .stat-card,
        .liquid-glass-mode .param-card {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 2px 12px rgba(0, 0, 0, 0.08),
                inset 0 0 14px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(20px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Record Items --- */
        .liquid-glass-mode .record-item {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Tab Buttons --- */
        .liquid-glass-mode .tab-btn {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 6px -2px var(--lg-shadow-color) !important;
            backdrop-filter: blur(8px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(8px) saturate(1.2) !important;
            position: relative;
            overflow: hidden;
        }
        .liquid-glass-mode .tab-btn.active {
            background-color: rgba(90, 158, 111, 0.12) !important;
            border-color: rgba(90, 158, 111, 0.35) !important;
            box-shadow:
                0px 2px 8px rgba(90, 158, 111, 0.15),
                inset 0 0 8px -2px rgba(90, 158, 111, 0.3) !important;
        }

        /* --- Nav Items --- */
        .liquid-glass-mode .nav-item.active::before {
            background-color: rgba(var(--lg-tint-color), 0.1) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 8px -2px var(--lg-shadow-color) !important;
            backdrop-filter: blur(8px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(8px) saturate(1.2) !important;
        }

        /* --- Profile Card --- */
        .liquid-glass-mode .profile-card {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 4px 20px rgba(0, 0, 0, 0.1),
                inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color) !important;
            backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(var(--lg-blur, 48px)) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }

        /* --- Ambient Orbs Enhancement --- */
        .liquid-glass-mode .ambient-orb {
            filter: blur(80px) !important;
            opacity: 0.6 !important;
        }
        .liquid-glass-mode .ambient-orb:nth-child(1) {
            width: 350px !important; height: 350px !important;
            background: rgba(90, 158, 111, 0.35) !important;
        }
        .liquid-glass-mode .ambient-orb:nth-child(2) {
            width: 280px !important; height: 280px !important;
            background: rgba(120, 180, 140, 0.3) !important;
        }
        .liquid-glass-mode .ambient-orb:nth-child(3) {
            width: 220px !important; height: 220px !important;
            background: rgba(160, 210, 180, 0.25) !important;
        }

        /* --- Liquid Glass Toggle Switch --- */
        .liquid-glass-mode .liquid-glass-toggle-row {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
        }
        .liquid-glass-mode .liquid-glass-toggle-row:hover {
            background-color: rgba(var(--lg-tint-color), 0.1) !important;
        }

        .liquid-glass-toggle-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            background: var(--glass-surface);
            border: 1px solid var(--glass-border);
            border-radius: 14px;
            margin-top: 12px;
            transition: all 0.3s ease;
        }
        .liquid-glass-toggle-row:hover {
            background: var(--glass-surface-hover);
        }
        .liquid-glass-toggle-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .liquid-glass-toggle-icon {
            width: 36px; height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(90,158,111,0.15), rgba(120,180,140,0.1));
            color: var(--color-primary);
        }
        .liquid-glass-toggle-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .liquid-glass-toggle-desc {
            font-size: 11px;
            color: var(--text-tertiary);
            margin-top: 2px;
        }
        .liquid-glass-switch {
            position: relative;
            width: 48px;
            height: 28px;
            flex-shrink: 0;
        }
        .liquid-glass-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .liquid-glass-switch .slider {
            position: absolute;
            cursor: pointer;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.1);
            border: 1px solid var(--glass-border);
            border-radius: 28px;
            transition: all 0.3s ease;
        }
        .liquid-glass-switch .slider::before {
            content: '';
            position: absolute;
            height: 22px; width: 22px;
            left: 2px; bottom: 2px;
            background: white;
            border-radius: 50%;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 2px 4px rgba(0,0,0,0.15);
        }
        .liquid-glass-switch input:checked + .slider {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-color: var(--color-primary);
        }
        .liquid-glass-switch input:checked + .slider::before {
            transform: translateX(20px);
        }

        /* --- Dark Theme Specific Adjustments --- */
        [data-theme="dark"].liquid-glass-mode .glass-card,
        .liquid-glass-mode [data-theme="dark"] .glass-card {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .bottom-nav,
        .liquid-glass-mode [data-theme="dark"] .bottom-nav {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .modal-content,
        .liquid-glass-mode [data-theme="dark"] .modal-content {
            --lg-tint-opacity: 0.06;
        }
        [data-theme="dark"].liquid-glass-mode .settings-group,
        .liquid-glass-mode [data-theme="dark"] .settings-group {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .settings-item,
        .liquid-glass-mode [data-theme="dark"] .settings-item {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .stat-card,
        .liquid-glass-mode [data-theme="dark"] .stat-card,
        [data-theme="dark"].liquid-glass-mode .param-card,
        .liquid-glass-mode [data-theme="dark"] .param-card {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .record-item,
        .liquid-glass-mode [data-theme="dark"] .record-item {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .mood-card,
        .liquid-glass-mode [data-theme="dark"] .mood-card {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .type-btn,
        .liquid-glass-mode [data-theme="dark"] .type-btn {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .advice-card,
        .liquid-glass-mode [data-theme="dark"] .advice-card {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .profile-card,
        .liquid-glass-mode [data-theme="dark"] .profile-card {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .tab-btn,
        .liquid-glass-mode [data-theme="dark"] .tab-btn {
            --lg-tint-opacity: 0.04;
        }
        [data-theme="dark"].liquid-glass-mode .form-input,
        .liquid-glass-mode [data-theme="dark"] .form-input {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .quick-tag,
        .liquid-glass-mode [data-theme="dark"] .quick-tag {
            --lg-tint-opacity: 0.04;
        }

        /* --- Ensure modal scrolling works in liquid glass mode --- */
        .liquid-glass-mode .modal-content {
            overflow-y: auto !important;
            -webkit-overflow-scrolling: touch !important;
        }

        /* --- Ensure content above glass effects --- */
        .liquid-glass-mode .glass-card > *,
        .liquid-glass-mode .bottom-nav > .nav-item,
        .liquid-glass-mode .settings-group > *,
        .liquid-glass-mode .stat-card > *,
        .liquid-glass-mode .param-card > *,
        .liquid-glass-mode .record-item > *,
        .liquid-glass-mode .advice-card > *,
        .liquid-glass-mode .profile-card > * {
            position: relative;
            z-index: 1;
        }


        /* --- Chart Cards --- */
        .liquid-glass-mode .chart-card {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0px 2px 12px rgba(0, 0, 0, 0.08),
                inset 0 0 14px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(24px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(24px) saturate(1.4) !important;
            position: relative;
            overflow: hidden;
        }
        /* --- Insight Cards --- */
        .liquid-glass-mode .insight-card {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow: inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
        }
        [data-theme="dark"].liquid-glass-mode .chart-card,
        .liquid-glass-mode [data-theme="dark"] .chart-card {
            --lg-tint-opacity: 0.05;
        }
        [data-theme="dark"].liquid-glass-mode .insight-card,
        .liquid-glass-mode [data-theme="dark"] .insight-card {
            --lg-tint-opacity: 0.04;
        }

        /* --- Filter Chips (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .filter-chip {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0 2px 8px rgba(0, 0, 0, 0.04),
                inset 0 0 8px -2px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.2) !important;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        .liquid-glass-mode .filter-chip:hover {
            background-color: rgba(var(--lg-tint-color), 0.10) !important;
            box-shadow:
                0 4px 16px rgba(0, 0, 0, 0.06),
                inset 0 0 12px -3px var(--lg-shadow-color) !important;
            transform: translateY(-1px);
        }
        .liquid-glass-mode .filter-chip.active {
            background: linear-gradient(135deg, rgba(var(--lg-tint-color), 0.35), rgba(var(--lg-tint-color), 0.22)) !important;
            border: 1px solid rgba(var(--lg-tint-color), 0.25) !important;
            box-shadow:
                0 4px 16px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.30) !important;
            backdrop-filter: blur(16px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.3) !important;
            color: var(--text-primary) !important;
        }
        [data-theme="dark"].liquid-glass-mode .filter-chip,
        .liquid-glass-mode [data-theme="dark"] .filter-chip {
            background-color: rgba(var(--lg-tint-color), 0.04) !important;
        }
        [data-theme="dark"].liquid-glass-mode .filter-chip.active,
        .liquid-glass-mode [data-theme="dark"] .filter-chip.active {
            background: linear-gradient(135deg, rgba(var(--lg-tint-color), 0.22), rgba(var(--lg-tint-color), 0.12)) !important;
        }

        /* --- History Search Bar (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .history-search-bar {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0 2px 12px rgba(0, 0, 0, 0.05),
                inset 0 0 12px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(20px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.3) !important;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        .liquid-glass-mode .history-search-bar:focus-within {
            background-color: rgba(var(--lg-tint-color), 0.10) !important;
            box-shadow:
                0 4px 20px rgba(0, 0, 0, 0.08),
                inset 0 0 16px -4px var(--lg-shadow-color),
                0 0 0 3px rgba(var(--lg-tint-color), 0.08) !important;
        }
        [data-theme="dark"].liquid-glass-mode .history-search-bar,
        .liquid-glass-mode [data-theme="dark"] .history-search-bar {
            background-color: rgba(var(--lg-tint-color), 0.04) !important;
        }

        /* --- Timeline Content (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .timeline-content {
            background-color: rgba(var(--lg-tint-color), 0.06) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0 2px 10px rgba(0, 0, 0, 0.05),
                inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(18px) saturate(1.25) !important;
            -webkit-backdrop-filter: blur(18px) saturate(1.25) !important;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        .liquid-glass-mode .timeline-content:active {
            background-color: rgba(var(--lg-tint-color), 0.10) !important;
            transform: scale(0.98);
        }
        [data-theme="dark"].liquid-glass-mode .timeline-content,
        .liquid-glass-mode [data-theme="dark"] .timeline-content {
            background-color: rgba(var(--lg-tint-color), 0.04) !important;
        }

        /* --- Login Prompt (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .login-prompt {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0 4px 16px rgba(0, 0, 0, 0.06),
                inset 0 0 14px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(20px) saturate(1.3) !important;
            -webkit-backdrop-filter: blur(20px) saturate(1.3) !important;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        }
        .liquid-glass-mode .login-prompt:hover {
            background-color: rgba(var(--lg-tint-color), 0.12) !important;
            box-shadow:
                0 6px 24px rgba(0, 0, 0, 0.08),
                inset 0 0 18px -4px var(--lg-shadow-color) !important;
            transform: translateY(-2px);
        }
        [data-theme="dark"].liquid-glass-mode .login-prompt,
        .liquid-glass-mode [data-theme="dark"] .login-prompt {
            background-color: rgba(var(--lg-tint-color), 0.05) !important;
        }

        /* --- Toast (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .toast {
            background-color: rgba(var(--lg-tint-color), 0.12) !important;
            color: var(--text-primary) !important;
            border: 1px solid var(--lg-border-color) !important;
            box-shadow:
                0 8px 32px rgba(0, 0, 0, 0.10),
                inset 0 0 16px -4px var(--lg-shadow-color),
                inset 0 1px 0 rgba(255, 255, 255, 0.30) !important;
            backdrop-filter: blur(24px) saturate(1.4) !important;
            -webkit-backdrop-filter: blur(24px) saturate(1.4) !important;
        }
        [data-theme="dark"].liquid-glass-mode .toast,
        .liquid-glass-mode [data-theme="dark"] .toast {
            background-color: rgba(var(--lg-tint-color), 0.08) !important;
            color: var(--text-primary) !important;
            box-shadow:
                0 8px 32px rgba(0, 0, 0, 0.25),
                inset 0 0 14px -4px var(--lg-shadow-color),
                inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
        }

        /* --- Empty State (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .empty-state {
            background-color: rgba(var(--lg-tint-color), 0.04) !important;
            border: 1px solid var(--lg-border-color) !important;
            border-radius: var(--radius-xl) !important;
            box-shadow:
                0 2px 12px rgba(0, 0, 0, 0.04),
                inset 0 0 12px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.2) !important;
            margin: 12px !important;
        }
        [data-theme="dark"].liquid-glass-mode .empty-state,
        .liquid-glass-mode [data-theme="dark"] .empty-state {
            background-color: rgba(var(--lg-tint-color), 0.03) !important;
        }

        /* --- Auth Form Container (Light Mode Liquid Glass) --- */
        .liquid-glass-mode .auth-form {
            background-color: rgba(var(--lg-tint-color), 0.05) !important;
            border: 1px solid var(--lg-border-color) !important;
            border-radius: var(--radius-xl) !important;
            padding: 20px !important;
            box-shadow:
                0 2px 12px rgba(0, 0, 0, 0.04),
                inset 0 0 10px -3px var(--lg-shadow-color) !important;
            backdrop-filter: blur(16px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(16px) saturate(1.2) !important;
        }
        [data-theme="dark"].liquid-glass-mode .auth-form,
        .liquid-glass-mode [data-theme="dark"] .auth-form {
            background-color: rgba(var(--lg-tint-color), 0.03) !important;
        }

        /* --- Ensure content above glass effects for new components --- */
        .liquid-glass-mode .filter-chip > *,
        .liquid-glass-mode .history-search-bar > *,
        .liquid-glass-mode .timeline-content > *,
        .liquid-glass-mode .login-prompt > *,
        .liquid-glass-mode .toast > *,
        .liquid-glass-mode .empty-state > *,
        .liquid-glass-mode .auth-form > * {
            position: relative;
            z-index: 1;
        }

        /* Performance and motion tuning: keep the visual language, reduce paint cost. */
        .ambient-orb {
            filter: blur(44px);
            animation: none;
            transform: translateZ(0);
        }

        .ambient-orb-1 {
            width: 260px;
            height: 260px;
        }

        .ambient-orb-2 {
            width: 220px;
            height: 220px;
        }

        .ambient-orb-3 {
            width: 180px;
            height: 180px;
        }

        .glass-card,
        .stat-card,
        .chart-card,
        .weekly-report,
        .log-form,
        .settings-group,
        .settings-item,
        .type-btn,
        .mood-card,
        .quick-tag,
        .advice-card,
        .history-item,
        .record-item,
        .filter-chip,
        .submit-btn,
        .export-chart-btn {
            transition-property: transform, opacity, background, border-color, box-shadow, color;
            transition-duration: 0.18s;
            transition-timing-function: ease;
        }

        .glass-card:hover,
        .stat-card:hover {
            box-shadow: var(--elevation-card-hover);
        }

        .bottom-nav {
            backdrop-filter: blur(18px) saturate(135%);
            -webkit-backdrop-filter: blur(18px) saturate(135%);
            box-shadow: 0 -2px 14px rgba(0, 0, 0, 0.08), 0 -1px 0 rgba(255, 255, 255, 0.45);
            transition-property: transform, background, border-color, box-shadow;
            transition-duration: 0.2s;
        }

        .nav-item {
            transition-property: color, opacity, transform, background;
            transition-duration: 0.18s;
            transition-timing-function: ease;
        }

        .nav-item .material-icons-round {
            transition-duration: 0.18s;
        }

        .nav-glow {
            filter: none;
            transition-duration: 0.16s;
        }

        .ai-advice-btn.has-update,
        .empty-state .material-icons-round {
            animation: none;
        }

        .dashboard-page,
        .log-page,
        .history-page,
        .stats-page,
        .settings-page {
            backdrop-filter: blur(14px) saturate(125%);
            -webkit-backdrop-filter: blur(14px) saturate(125%);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.58);
        }

        .liquid-glass-mode {
            --lg-blur: 22px;
            --lg-shadow-blur: 16px;
            --lg-shadow-spread: -5px;
        }

        .liquid-glass-mode .bottom-nav {
            box-shadow:
                0 4px 18px rgba(0, 0, 0, 0.14),
                inset 0 1px 0 rgba(255, 255, 255, 0.36) !important;
            backdrop-filter: blur(24px) saturate(1.35) !important;
            -webkit-backdrop-filter: blur(24px) saturate(1.35) !important;
            transition-property: background, border-color, box-shadow !important;
            transition-duration: 0.22s !important;
        }

        .liquid-glass-mode .nav-item.active::before {
            box-shadow:
                0 2px 8px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.38) !important;
            backdrop-filter: blur(10px) saturate(1.2) !important;
            -webkit-backdrop-filter: blur(10px) saturate(1.2) !important;
            transition-property: inset, background, border-color, box-shadow !important;
        }

        .liquid-glass-mode .glass-card,
        .liquid-glass-mode .weekly-report,
        .liquid-glass-mode .health-card,
        .liquid-glass-mode .user-profile,
        .liquid-glass-mode .settings-group,
        .liquid-glass-mode .profile-card,
        .liquid-glass-mode .modal-content {
            box-shadow:
                0 4px 18px rgba(0, 0, 0, 0.08),
                inset 0 0 12px -5px var(--lg-shadow-color) !important;
            transition-property: transform, opacity, background, border-color, box-shadow !important;
            transition-duration: 0.2s !important;
        }

        .liquid-glass-mode .stat-card,
        .liquid-glass-mode .param-card,
        .liquid-glass-mode .advice-card,
        .liquid-glass-mode .record-item,
        .liquid-glass-mode .timeline-content,
        .liquid-glass-mode .login-prompt,
        .liquid-glass-mode .empty-state,
        .liquid-glass-mode .auth-form {
            box-shadow:
                0 2px 10px rgba(0, 0, 0, 0.05),
                inset 0 0 8px -4px var(--lg-shadow-color) !important;
            backdrop-filter: blur(12px) saturate(1.18) !important;
            -webkit-backdrop-filter: blur(12px) saturate(1.18) !important;
            transition-property: transform, opacity, background, border-color, box-shadow !important;
            transition-duration: 0.18s !important;
        }

        .liquid-glass-mode .ambient-orb {
            filter: blur(42px) !important;
            opacity: 0.32 !important;
            animation: none !important;
        }

        @media (max-width: 520px) {
            :root,
            [data-theme="light"] {
                --blur-glass: blur(12px) saturate(115%);
                --blur-light: blur(8px) saturate(110%);
                --orb-opacity: 0.10;
            }

            [data-theme="dark"] {
                --orb-opacity: 0.10;
            }

            .ambient-orb {
                filter: blur(32px);
            }

            .bottom-nav {
                backdrop-filter: blur(14px) saturate(120%);
                -webkit-backdrop-filter: blur(14px) saturate(120%);
                box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.10);
            }

            .dashboard-page,
            .log-page,
            .history-page,
            .stats-page,
            .settings-page {
                padding: 14px 16px;
                backdrop-filter: blur(10px) saturate(112%);
                -webkit-backdrop-filter: blur(10px) saturate(112%);
            }

            .stat-card {
                padding: 16px 12px;
            }

            .settings-group,
            .log-form,
            .glass-card {
                border-radius: 16px;
            }

            .liquid-glass-mode {
                --lg-blur: 14px;
                --lg-shadow-blur: 10px;
            }

            .liquid-glass-mode .bottom-nav {
                backdrop-filter: blur(16px) saturate(1.2) !important;
                -webkit-backdrop-filter: blur(16px) saturate(1.2) !important;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.001ms !important;
                animation-iteration-count: 1 !important;
                scroll-behavior: auto !important;
                transition-duration: 0.001ms !important;
                transition-delay: 0s !important;
            }

            .page.active,
            .slide-in-custom,
            .card-fly-out,
            .submit-btn.haptic-pulse,
            .success-checkmark .checkmark-path {
                animation: none !important;
            }
        }