/* ========================================
   设计系统 - Design System Tokens
   ======================================== */

:root {
    /* 颜色系统 - Color System */
    --bg-primary: #f9fafb;
    --bg-secondary: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* 品牌色 - Brand Colors */
    --color-primary: #4f46e5;
    --color-primary-hover: #6366f1;
    --color-primary-light: #eef2ff;
    --color-primary-dark: #4338ca;
    
    /* 圆角系统 - Border Radius System */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 18px;
    --radius-2xl: 24px;
    --radius-full: 999px;
    
    /* 间距系统 - Spacing System (基于8px网格) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
    --spacing-4xl: 40px;
    --spacing-5xl: 48px;
    --spacing-6xl: 64px;
    
    /* 字体大小系统 - Typography Scale */
    --font-xs: 11px;
    --font-sm: 12px;
    --font-base: 13px;
    --font-md: 14px;
    --font-lg: 15px;
    --font-xl: 16px;
    --font-2xl: 18px;
    --font-3xl: 20px;
    --font-4xl: 22px;
    --font-5xl: 24px;
    --font-6xl: 28px;
    --font-7xl: 32px;
    --font-8xl: 40px;
    
    /* 字体粗细 - Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* 行高 - Line Heights */
    --leading-tight: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.6;
    --leading-loose: 1.7;
    --leading-extra: 1.8;
    
    /* 阴影系统 - Shadow System */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 22px 60px rgba(0, 0, 0, 0.15);
    
    /* 过渡时间 - Transition Durations */
    --transition-fast: 0.15s;
    --transition-base: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    
    /* 过渡缓动 - Transition Easing */
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
}

[data-theme="dark"] {
    /* 颜色系统 - Color System */
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --border-color: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
    
    /* 品牌色 - Brand Colors */
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-light: rgba(99, 102, 241, 0.2);
    --color-primary-dark: #4f46e5;
    
    /* 阴影系统 - Shadow System (暗色模式) */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.5);
    --shadow-2xl: 0 22px 60px rgba(0, 0, 0, 0.6);
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background:
        radial-gradient(circle at top left, #fee2e2 0, transparent 45%),
        radial-gradient(circle at top right, #e0f2fe 0, transparent 45%),
        radial-gradient(circle at bottom, #fef9c3 0, transparent 55%),
        var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background-image 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] body {
    background:
        radial-gradient(circle at top left, rgba(127, 29, 29, 0.3) 0, transparent 45%),
        radial-gradient(circle at top right, rgba(30, 58, 138, 0.3) 0, transparent 45%),
        radial-gradient(circle at bottom, rgba(113, 63, 18, 0.3) 0, transparent 55%),
        var(--bg-primary);
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background-image 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a {
    text-decoration: none;
    color: inherit;
}
a:hover {
    text-decoration: none;
}

.test-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.test-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #eee;
    background: #fafafa;
}

.cover {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    object-fit: cover;
    background: #f0f0f0;
}

.test-item .info {
    flex: 1;
}

.question {
    margin: 16px 0;
}

.option {
    display: inline-block;
    margin: 4px 0;
}

.archetype-summary {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.archetype-summary__header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.archetype-summary__header p {
    margin: 4px 0 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.archetype-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.archetype-card {
    flex: 1 1 240px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.archetype-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    border-left-color: var(--archetype-accent, #4f46e5);
    pointer-events: none;
}

.archetype-card__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.archetype-card__title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

.archetype-card__emoji {
    font-size: 24px;
}

.archetype-card__name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.archetype-card__key {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
}

.archetype-card__score {
    font-size: 14px;
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    .archetype-summary {
        padding: 16px;
    }

    .archetype-cards {
        flex-direction: column;
    }
}

.dimension-block {
    margin: 16px 0;
}

/* 维度分布展示样式 */
.dimension-distribution {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.dimension-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.dimension-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dimension-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.dimension-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.dimension-emoji {
    font-size: 20px;
    line-height: 1;
}

.dimension-name {
    font-weight: 600;
}

.dimension-key {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.dimension-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    min-width: 40px;
    text-align: right;
}

.dimension-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.dimension-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease-out;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dimension-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 暗色主题下的维度展示 */
[data-theme="dark"] .dimension-distribution {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .dimension-key {
    background: #374151;
    color: #d1d5db;
}

[data-theme="dark"] .dimension-bar-container {
    background: #374151;
}

/* 响应式设计 */
@media (max-width: 640px) {
    .dimension-distribution {
        padding: 16px;
        margin-top: 20px;
    }
    
    .dimension-title {
        font-size: 16px;
        margin-bottom: 16px;
    }
    
    .dimension-label {
        font-size: 14px;
    }
    
    .dimension-value {
        font-size: 14px;
    }
    
    .dimension-list {
        gap: 12px;
    }
}

/* 首页整体 */
.home {
    padding: 64px 16px 40px; /* 增加顶部 padding，为固定 topbar 留出空间 */
}
.site-title {
    font-size: clamp(30px, 5vw, 42px);
    font-weight: 800;
    margin: 0;
    letter-spacing: 0.03em;
    background: linear-gradient(90deg, #4f46e5, #ec4899, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.site-title a {
    color: inherit;
}
.site-title a:hover {
    color: inherit;
}
.site-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 2px 0 18px;
    transition: color 0.3s ease;
}

.subtitle {
    color: #6b7280;
    margin: 4px 0 12px;
}

/* 网格布局 */
.test-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding-bottom: 32px;
}

/* 单个卡片 */
.test-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    min-height: 220px;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-fast) var(--ease-in-out), 
                box-shadow var(--transition-fast) var(--ease-in-out), 
                border-color var(--transition-fast) var(--ease-in-out), 
                background-color var(--transition-normal) var(--ease-in-out);
}
.test-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

[data-theme="dark"] .test-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    line-height: var(--leading-tight);
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-muted {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.card-title {
    font-size: var(--font-3xl);
    font-weight: var(--font-semibold);
    margin: 0 0 var(--spacing-sm);
    line-height: var(--leading-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-title a {
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.card-title a:hover {
    text-decoration: none;
}
.card-emoji {
    font-size: 20px;
}
.card-title-text {
    display: inline-block;
}

.card-desc {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md);
    line-height: var(--leading-normal);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-stats {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 12px;
}

.card-footer {
    margin-top: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    color: #ffffff;
    transition: opacity var(--transition-fast) var(--ease-in-out), transform var(--transition-fast) var(--ease-in-out);
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled,
.btn-primary.btn-disabled {
    background: #d1d5db;
    color: #9ca3af;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

.btn-lg {
    min-height: 34px;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-md);
}

.stats-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    background: #f3f4ff;
    color: #4b5563;
    font-size: 12px;
}

/* 响应式列数 */
@media (max-width: 768px) {
    .test-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 480px) {
    .test-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .test-card .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== 顶部标题区域 ===== */
.site-header {
    margin: 32px 0 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.site-title-wrap {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
}

.site-title {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.site-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

a,
a:hover,
a:focus,
a:active {
    text-decoration: none;
}

/* ===== 卡片网格：3 列布局，移动端自适应 ===== */
.page-container {
    max-width: 1040px;
    margin: var(--spacing-2xl) auto var(--spacing-4xl);
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-3xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .page-container {
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.quiz-grid,
.tests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

@media (max-width: 1024px) {
    .quiz-grid,
    .tests-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .quiz-grid,
    .tests-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 卡片样式 ===== */
.quiz-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
    box-shadow: var(--shadow-2xl), 0 0 0 1px var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--spacing-md);
    transition: transform var(--transition-base) var(--ease-in-out), 
                box-shadow var(--transition-base) var(--ease-in-out), 
                background-color var(--transition-normal) var(--ease-in-out), 
                border-color var(--transition-normal) var(--ease-in-out);
}

.quiz-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(129, 140, 248, 0.25);
}

[data-theme="dark"] .quiz-card:hover {
    box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(129, 140, 248, 0.4);
}

.quiz-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quiz-tag-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    overflow: hidden;
}

.quiz-tag {
    font-size: var(--font-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xs);
    background: #eff6ff;
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.2);
    white-space: nowrap;
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                color var(--transition-normal) var(--ease-in-out), 
                border-color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .quiz-tag {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.3);
}

/* 标签筛选器 */
.tag-filter-section {
    margin: 20px 0;
    padding: 0;
}

.tag-filter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.tag-filter-item {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

/* 默认颜色（全部按钮） */
.tag-color-default {
    background: rgba(107, 114, 128, 0.08);
    color: #6b7280;
    border-color: rgba(107, 114, 128, 0.2);
}

.tag-color-default:hover {
    background: rgba(107, 114, 128, 0.15);
    color: #374151;
    border-color: rgba(107, 114, 128, 0.3);
    transform: translateY(-1px);
}

.tag-color-default.active {
    background: #6b7280;
    color: #ffffff;
    border-color: #6b7280;
    box-shadow: 0 2px 8px rgba(107, 114, 128, 0.3);
}

/* 蓝色主题 */
.tag-color-blue {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border-color: rgba(59, 130, 246, 0.25);
}

.tag-color-blue:hover {
    background: rgba(59, 130, 246, 0.18);
    color: #1d4ed8;
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.tag-color-blue.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border-color: #2563eb;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

/* 紫色主题 */
.tag-color-purple {
    background: rgba(147, 51, 234, 0.1);
    color: #7c3aed;
    border-color: rgba(147, 51, 234, 0.25);
}

.tag-color-purple:hover {
    background: rgba(147, 51, 234, 0.18);
    color: #6d28d9;
    border-color: rgba(147, 51, 234, 0.4);
    transform: translateY(-1px);
}

.tag-color-purple.active {
    background: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
    color: #ffffff;
    border-color: #7c3aed;
    box-shadow: 0 2px 8px rgba(147, 51, 234, 0.4);
}

/* 粉色主题 */
.tag-color-pink {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
    border-color: rgba(236, 72, 153, 0.25);
}

.tag-color-pink:hover {
    background: rgba(236, 72, 153, 0.18);
    color: #be185d;
    border-color: rgba(236, 72, 153, 0.4);
    transform: translateY(-1px);
}

.tag-color-pink.active {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: #ffffff;
    border-color: #db2777;
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.4);
}

/* 绿色主题 */
.tag-color-green {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border-color: rgba(34, 197, 94, 0.25);
}

.tag-color-green:hover {
    background: rgba(34, 197, 94, 0.18);
    color: #15803d;
    border-color: rgba(34, 197, 94, 0.4);
    transform: translateY(-1px);
}

.tag-color-green.active {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    border-color: #16a34a;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
}

/* 橙色主题 */
.tag-color-orange {
    background: rgba(249, 115, 22, 0.1);
    color: #ea580c;
    border-color: rgba(249, 115, 22, 0.25);
}

.tag-color-orange:hover {
    background: rgba(249, 115, 22, 0.18);
    color: #c2410c;
    border-color: rgba(249, 115, 22, 0.4);
    transform: translateY(-1px);
}

.tag-color-orange.active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #ffffff;
    border-color: #ea580c;
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.4);
}

/* 青色主题 */
.tag-color-teal {
    background: rgba(20, 184, 166, 0.1);
    color: #0d9488;
    border-color: rgba(20, 184, 166, 0.25);
}

.tag-color-teal:hover {
    background: rgba(20, 184, 166, 0.18);
    color: #0f766e;
    border-color: rgba(20, 184, 166, 0.4);
    transform: translateY(-1px);
}

.tag-color-teal.active {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: #ffffff;
    border-color: #0d9488;
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.4);
}

/* 靛蓝色主题 */
.tag-color-indigo {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    border-color: rgba(99, 102, 241, 0.25);
}

.tag-color-indigo:hover {
    background: rgba(99, 102, 241, 0.18);
    color: #4f46e5;
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.tag-color-indigo.active {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: #ffffff;
    border-color: #4f46e5;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* 玫瑰色主题 */
.tag-color-rose {
    background: rgba(244, 63, 94, 0.1);
    color: #e11d48;
    border-color: rgba(244, 63, 94, 0.25);
}

.tag-color-rose:hover {
    background: rgba(244, 63, 94, 0.18);
    color: #be123c;
    border-color: rgba(244, 63, 94, 0.4);
    transform: translateY(-1px);
}

.tag-color-rose.active {
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    color: #ffffff;
    border-color: #e11d48;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.4);
}

/* 琥珀色主题 */
.tag-color-amber {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.25);
}

.tag-color-amber:hover {
    background: rgba(245, 158, 11, 0.18);
    color: #b45309;
    border-color: rgba(245, 158, 11, 0.4);
    transform: translateY(-1px);
}

.tag-color-amber.active {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
    border-color: #d97706;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* 青色主题 */
.tag-color-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
    border-color: rgba(6, 182, 212, 0.25);
}

.tag-color-cyan:hover {
    background: rgba(6, 182, 212, 0.18);
    color: #0e7490;
    border-color: rgba(6, 182, 212, 0.4);
    transform: translateY(-1px);
}

.tag-color-cyan.active {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #ffffff;
    border-color: #0891b2;
    box-shadow: 0 2px 8px rgba(6, 182, 212, 0.4);
}

/* 深色模式适配 */
[data-theme="dark"] .tag-color-default {
    background: rgba(156, 163, 175, 0.12);
    color: #9ca3af;
    border-color: rgba(156, 163, 175, 0.25);
}

[data-theme="dark"] .tag-color-default:hover {
    background: rgba(156, 163, 175, 0.2);
    color: #d1d5db;
    border-color: rgba(156, 163, 175, 0.35);
}

[data-theme="dark"] .tag-color-default.active {
    background: #9ca3af;
    color: #111827;
    border-color: #9ca3af;
    box-shadow: 0 2px 8px rgba(156, 163, 175, 0.3);
}

[data-theme="dark"] .tag-color-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .tag-color-blue:hover {
    background: rgba(59, 130, 246, 0.22);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .tag-color-blue.active {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #ffffff;
    border-color: #2563eb;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.5);
}

[data-theme="dark"] .tag-color-purple {
    background: rgba(147, 51, 234, 0.15);
    color: #a78bfa;
    border-color: rgba(147, 51, 234, 0.3);
}

[data-theme="dark"] .tag-color-purple:hover {
    background: rgba(147, 51, 234, 0.22);
    color: #c4b5fd;
    border-color: rgba(147, 51, 234, 0.4);
}

[data-theme="dark"] .tag-color-purple.active {
    background: linear-gradient(135deg, #9333ea 0%, #7c3aed 100%);
    color: #ffffff;
    border-color: #7c3aed;
    box-shadow: 0 2px 12px rgba(147, 51, 234, 0.5);
}

[data-theme="dark"] .tag-color-pink {
    background: rgba(236, 72, 153, 0.15);
    color: #f472b6;
    border-color: rgba(236, 72, 153, 0.3);
}

[data-theme="dark"] .tag-color-pink:hover {
    background: rgba(236, 72, 153, 0.22);
    color: #f9a8d4;
    border-color: rgba(236, 72, 153, 0.4);
}

[data-theme="dark"] .tag-color-pink.active {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: #ffffff;
    border-color: #db2777;
    box-shadow: 0 2px 12px rgba(236, 72, 153, 0.5);
}

[data-theme="dark"] .tag-color-green {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.3);
}

[data-theme="dark"] .tag-color-green:hover {
    background: rgba(34, 197, 94, 0.22);
    color: #86efac;
    border-color: rgba(34, 197, 94, 0.4);
}

[data-theme="dark"] .tag-color-green.active {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #ffffff;
    border-color: #16a34a;
    box-shadow: 0 2px 12px rgba(34, 197, 94, 0.5);
}

[data-theme="dark"] .tag-color-orange {
    background: rgba(249, 115, 22, 0.15);
    color: #fb923c;
    border-color: rgba(249, 115, 22, 0.3);
}

[data-theme="dark"] .tag-color-orange:hover {
    background: rgba(249, 115, 22, 0.22);
    color: #fdba74;
    border-color: rgba(249, 115, 22, 0.4);
}

[data-theme="dark"] .tag-color-orange.active {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #ffffff;
    border-color: #ea580c;
    box-shadow: 0 2px 12px rgba(249, 115, 22, 0.5);
}

[data-theme="dark"] .tag-color-teal {
    background: rgba(20, 184, 166, 0.15);
    color: #5eead4;
    border-color: rgba(20, 184, 166, 0.3);
}

[data-theme="dark"] .tag-color-teal:hover {
    background: rgba(20, 184, 166, 0.22);
    color: #7dd3fc;
    border-color: rgba(20, 184, 166, 0.4);
}

[data-theme="dark"] .tag-color-teal.active {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: #ffffff;
    border-color: #0d9488;
    box-shadow: 0 2px 12px rgba(20, 184, 166, 0.5);
}

[data-theme="dark"] .tag-color-indigo {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .tag-color-indigo:hover {
    background: rgba(99, 102, 241, 0.22);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.4);
}

[data-theme="dark"] .tag-color-indigo.active {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: #ffffff;
    border-color: #4f46e5;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.5);
}

[data-theme="dark"] .tag-color-rose {
    background: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border-color: rgba(244, 63, 94, 0.3);
}

[data-theme="dark"] .tag-color-rose:hover {
    background: rgba(244, 63, 94, 0.22);
    color: #fda4af;
    border-color: rgba(244, 63, 94, 0.4);
}

[data-theme="dark"] .tag-color-rose.active {
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    color: #ffffff;
    border-color: #e11d48;
    box-shadow: 0 2px 12px rgba(244, 63, 94, 0.5);
}

[data-theme="dark"] .tag-color-amber {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.3);
}

[data-theme="dark"] .tag-color-amber:hover {
    background: rgba(245, 158, 11, 0.22);
    color: #fcd34d;
    border-color: rgba(245, 158, 11, 0.4);
}

[data-theme="dark"] .tag-color-amber.active {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
    border-color: #d97706;
    box-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
}

[data-theme="dark"] .tag-color-cyan {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border-color: rgba(6, 182, 212, 0.3);
}

[data-theme="dark"] .tag-color-cyan:hover {
    background: rgba(6, 182, 212, 0.22);
    color: #67e8f9;
    border-color: rgba(6, 182, 212, 0.4);
}

[data-theme="dark"] .tag-color-cyan.active {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #ffffff;
    border-color: #0891b2;
    box-shadow: 0 2px 12px rgba(6, 182, 212, 0.5);
}

.no-results-message {
    text-align: center;
    padding: 48px 16px;
    color: #6b7280;
    font-size: 16px;
}

[data-theme="dark"] .no-results-message {
    color: #9ca3af;
}

.quiz-emoji {
    font-size: 20px;
}

.quiz-card-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
}

.card-title,
.card-title:hover {
    text-decoration: none;
    color: inherit;
}

.quiz-card-title .card-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.quiz-card-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1 1 auto;
}

.quiz-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #6b7280;
}

.quiz-meta-count {
    padding: 3px 8px;
    border-radius: 999px;
    background: #f3f4ff;
    color: #4f46e5;
}

.quiz-card-footer {
    margin-top: 4px;
}

.quiz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.quiz-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 35px rgba(79, 70, 229, 0.45);
}

.quiz-btn:active {
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
}

@media (max-width: 640px) {
    .page-container {
        margin: 12px auto 24px;
        padding: 16px 12px 24px;
        border-radius: 12px;
    }

    .quiz-grid,
    .tests-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .site-header {
        margin: 20px 0 16px;
    }
    .site-title {
        font-size: 24px;
    }
    .site-subtitle {
        font-size: 13px;
    }
    .quiz-card {
        padding: 16px 16px 14px;
        border-radius: 16px;
    }
    .quiz-card-title {
        font-size: 18px;
    }
    .quiz-card-desc {
        font-size: 14px;
    }
    
    .tag-filter-section {
        margin: 16px 0;
    }
    
    .tag-filter-list {
        gap: 4px;
        flex-wrap: wrap;
    }
    
    .tag-filter-item {
        font-size: 11px;
        padding: 3px 8px;
    }
    
    .card-title {
        font-size: 18px;
    }
    
    .card-description {
        font-size: 12px;
    }
    
    .card-button {
        font-size: 12px;
        padding: 6px 12px;
    }
    
    .card-play-count {
        font-size: 11px;
    }
}

/* ===== 单个测验页 ===== */
.test-page {
    max-width: 760px;
    margin: var(--spacing-6xl) auto var(--spacing-4xl); /* 增加顶部 margin，为固定 topbar 留出空间 */
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-3xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .test-page,
html[data-theme="dark"] .test-page {
    background-color: #1f2937 !important;
}

.test-hero {
    margin-bottom: 20px;
}

.test-hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.test-emoji {
    font-size: 28px;
}

.test-title {
    font-size: clamp(var(--font-5xl), 4vw, var(--font-7xl));
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-normal) var(--ease-in-out);
}

.test-title-emoji {
    font-size: 30px;
    line-height: 1;
}

.test-subtitle {
    margin: var(--spacing-xs) 0 var(--spacing-xs);
    font-size: var(--font-md);
    color: var(--text-secondary);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .test-subtitle {
    color: #d1d5db;
}

.test-description {
    margin-top: var(--spacing-sm);
    font-size: var(--font-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .test-description {
    color: #e5e7eb;
    line-height: 1.7;
}

.test-description p {
    margin: 3px 0;
}

.test-hero-extra {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    align-items: center;
    font-size: 13px;
}

.test-meta-text {
    color: var(--text-secondary);
    font-size: var(--font-md);
    font-weight: var(--font-semibold);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .test-meta-text {
    color: var(--text-secondary);
}

.test-meta-text strong {
    color: var(--color-primary);
    font-weight: var(--font-extrabold);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .test-meta-text strong {
    color: var(--color-primary-hover);
}

.test-progress {
    margin: 12px 0 20px;
}

.sticky-progress {
    position: sticky;
    top: 50px; /* 显示在 topbar 下方 */
    z-index: 1001; /* 高于 topbar，确保可见 */
    background-color: var(--bg-secondary);
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .sticky-progress,
html[data-theme="dark"] .sticky-progress {
    background-color: #1f2937 !important;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.test-progress-label {
    font-size: var(--font-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-normal) var(--ease-in-out);
}

.test-progress-bar {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--border-color);
    overflow: hidden;
    transition: background-color var(--transition-normal) var(--ease-in-out);
}

.test-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #4f46e5, #ec4899);
    transition: width 0.2s ease-out;
}

.test-body {
    margin-top: 8px;
}

.question-block {
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

[data-theme="dark"] .question-block {
    border-bottom-color: #4b5563;
}

.question-block:last-child {
    border-bottom: none;
}

.question-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.question-index {
    min-width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: radial-gradient(circle at 30% 30%, var(--color-primary-light), #e0e7ff);
    color: var(--color-primary-dark);
    font-size: var(--font-lg);
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
    transition: background var(--transition-normal) var(--ease-in-out), 
                color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .question-index {
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.3), rgba(79, 70, 229, 0.2));
    color: #c7d2fe;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.25);
}

.question-text {
    font-size: var(--font-2xl);
    line-height: var(--leading-loose);
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

[data-theme="dark"] .question-text {
    color: #818cf8;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.quiz-option-error {
    color: #ef4444;
    font-size: var(--font-md);
    margin: var(--spacing-sm) 0;
}

[data-theme="dark"] .quiz-option-error {
    color: #f87171;
}

    .option-card {
        display: block;
        cursor: pointer;
    }
    
    /* 移动端选项卡片优化 */
    @media (max-width: 640px) {
        .option-inner {
            padding: 10px 14px;
            /* 移除固定高度，让高度自适应内容 */
        }
        
        .option-text {
            font-size: 14px;
            line-height: 1.5;
        }
        
        .option-key {
            font-size: 12px;
        }
        
        .question-text {
            font-size: 16px;
        }
        
        .question-index {
            min-width: 36px;
            height: 36px;
            font-size: 14px;
        }
        
        .question-options {
            gap: 6px; /* 移动端选项间距 */
        }
    }

.option-card input[type="radio"] {
    display: none;
}

.option-inner {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    /* 高度自适应内容，不设置固定高度 */
    transition: background-color var(--transition-normal) var(--ease-in-out),
                border-color var(--transition-normal) var(--ease-in-out),
                box-shadow var(--transition-fast) var(--ease-in-out),
                transform var(--transition-fast) var(--ease-in-out);
}

[data-theme="dark"] .option-inner,
html[data-theme="dark"] .option-inner {
    background-color: #111827 !important;
    border-color: #374151 !important;
}

.option-key {
    font-weight: var(--font-semibold);
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .option-key {
    color: #9ca3af;
}

.option-text {
    font-size: var(--font-lg);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .option-text {
    color: #f3f4f6;
}

.option-card:hover .option-inner {
    border-color: var(--color-primary-light);
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

[data-theme="dark"] .option-card:hover .option-inner,
html[data-theme="dark"] .option-card:hover .option-inner {
    background-color: #1f2937 !important;
    border-color: #4b5563 !important;
}

[data-theme="dark"] .option-card:hover .option-inner .option-key {
    color: #d1d5db;
}

.option-card input[type="radio"]:checked + .option-inner,
.option-card input[type="radio"]:checked ~ .option-inner {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.35);
    transform: translateY(-1px);
}
.option-card input[type="radio"]:checked + .option-inner .option-text,
.option-card input[type="radio"]:checked ~ .option-inner .option-text {
    font-weight: 700;
    color: #1f3a8a;
}

[data-theme="dark"] .option-card input[type="radio"]:checked + .option-inner,
[data-theme="dark"] .option-card input[type="radio"]:checked ~ .option-inner,
html[data-theme="dark"] .option-card input[type="radio"]:checked + .option-inner,
html[data-theme="dark"] .option-card input[type="radio"]:checked ~ .option-inner {
    border-color: #818cf8 !important;
    background-color: rgba(99, 102, 241, 0.2) !important;
    box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.4), 0 4px 12px rgba(99, 102, 241, 0.2) !important;
}

[data-theme="dark"] .option-card input[type="radio"]:checked + .option-inner .option-text,
[data-theme="dark"] .option-card input[type="radio"]:checked ~ .option-inner .option-text {
    color: #c7d2fe;
}

[data-theme="dark"] .option-card input[type="radio"]:checked + .option-inner .option-key,
[data-theme="dark"] .option-card input[type="radio"]:checked ~ .option-inner .option-key {
    color: #a5b4fc;
}

.test-actions {
    margin-top: 24px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-full);
    font-size: var(--font-lg);
    font-weight: var(--font-medium);
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: all var(--transition-fast) var(--ease-in-out);
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-hover));
    color: #ffffff;
    border-color: transparent;
}

.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                color var(--transition-normal) var(--ease-in-out), 
                border-color var(--transition-normal) var(--ease-in-out),
                transform var(--transition-fast) var(--ease-in-out);
}

.btn-secondary:hover {
    background-color: var(--bg-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* 按钮加载状态 */
.btn-loading {
    position: relative;
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-loading-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
    margin-right: 6px;
    vertical-align: middle;
}

.btn-secondary .btn-loading-spinner {
    border-color: rgba(75, 85, 99, 0.3);
    border-top-color: #4b5563;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* 进度指示器 */
.progress-indicator {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: rgba(79, 70, 229, 0.1);
    z-index: 10000;
    display: none;
}

.progress-indicator.active {
    display: block;
}

.progress-indicator-bar {
    height: 100%;
    background: linear-gradient(90deg, #4f46e5, #6366f1);
    width: 0%;
    transition: width 0.3s ease;
    animation: progress-shimmer 1.5s infinite;
}

@keyframes progress-shimmer {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* 一题一页模式 */
.question-step {
    display: none;
}
.question-step.active {
    display: block;
}
.question-nav {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}
.question-step.shake {
    animation: question-shake 0.3s;
}
@keyframes question-shake {
    0%   { transform: translateX(0); }
    25%  { transform: translateX(-4px); }
    50%  { transform: translateX(4px); }
    75%  { transform: translateX(-4px); }
    100% { transform: translateX(0); }
}

/* 逐题作答模式顶部退出栏 - 已移除，统一使用 top-user-bar */

.page-auth .auth-container,
.page-my-tests .my-tests-container,
.page-profile .profile-container {
    max-width: 480px;
    margin: 80px auto var(--spacing-4xl); /* 增加顶部 margin，为固定 topbar 留出空间 */
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .page-profile .profile-container,
html[data-theme="dark"] .page-profile .profile-container {
    background-color: #1f2937 !important;
}

.auth-container h1,
.my-tests-header h1,
.profile-header h1 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.form-group select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-3xl);
    cursor: pointer;
}

.form-group select:hover {
    border-color: var(--color-primary-light);
}

.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

[data-theme="dark"] .form-group select {
    background-color: #1f2937;
    border-color: #374151;
    color: #f9fafb;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%29ca3af' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .form-group select:hover {
    border-color: #4b5563;
}

[data-theme="dark"] .form-group select:focus {
    border-color: #818cf8;
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}
.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-md);
    color: var(--text-primary);
    transition: color var(--transition-normal) var(--ease-in-out);
}
.form-group input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: var(--font-md);
    box-sizing: border-box;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color var(--transition-normal) var(--ease-in-out), 
                background-color var(--transition-normal) var(--ease-in-out), 
                color var(--transition-normal) var(--ease-in-out);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(79, 70, 229, 0.15);
}
.auth-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 8px 10px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] .auth-error {
    background: rgba(185, 28, 28, 0.2);
    color: #fca5a5;
}

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

.my-tests-user {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
}

.link-logout {
    color: #ef4444;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

[data-theme="dark"] .link-logout {
    color: #f87171;
}

.my-tests-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.my-tests-table th,
.my-tests-table td {
    padding: 8px 6px;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}
.my-tests-table th {
    text-align: left;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

/* 移动端表格优化 */
@media (max-width: 640px) {
    .my-tests-table {
        font-size: 12px;
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .my-tests-table thead,
    .my-tests-table tbody,
    .my-tests-table tr {
        display: block;
    }
    
    .my-tests-table thead {
        display: none; /* 移动端隐藏表头 */
    }
    
    .my-tests-table tr {
        margin-bottom: 12px;
        padding: 12px;
        background: var(--bg-secondary);
        border-radius: 8px;
        border: 1px solid var(--border-color);
    }
    
    .my-tests-table td {
        display: block;
        padding: 6px 0;
        border-bottom: none;
        text-align: left;
    }
    
    .my-tests-table td:before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--text-secondary);
        display: inline-block;
        min-width: 60px;
    }
    
    .my-tests-table td:first-child {
        font-weight: 600;
        font-size: 14px;
        margin-bottom: 4px;
    }
    
    .my-tests-table td:first-child:before {
        content: "";
        min-width: 0;
    }
}

.my-tests-table td a {
    color: #4f46e5;
    text-decoration: none;
    transition: color 0.2s ease;
}

.my-tests-table td a:hover {
    color: #4338ca;
    text-decoration: underline;
}

[data-theme="dark"] .my-tests-table td a {
    color: #818cf8;
}

[data-theme="dark"] .my-tests-table td a:hover {
    color: #a5b4fc;
}

.my-tests-actions {
    margin: 0 0 var(--spacing-md);
    display: flex;
    justify-content: flex-start;
}

.my-tests-pagination-info {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-md);
}

.my-tests-pagination {
    margin-top: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
}

.my-tests-pagination-text {
    color: var(--text-secondary);
}

.btn-pagination {
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-md);
}

.auth-submit-btn {
    width: 100%;
    margin-top: 8px;
    padding: 10px 0;
    border-radius: 999px;
    font-size: 15px;
}

.auth-footer {
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}
.auth-footer a {
    color: #4f46e5;
    text-decoration: none;
    transition: color 0.3s ease;
}

[data-theme="dark"] .auth-footer a {
    color: #818cf8;
}
.auth-footer a:hover {
    text-decoration: underline;
}

.top-user-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.87);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .top-user-bar {
    background: rgba(31, 41, 55, 0.87);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.top-user-bar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.topbar-home-link {
    color: #4b5563;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    margin-right: auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.topbar-home-link .home-arrow {
    display: none; /* 桌面端默认隐藏箭头，显示文字 */
    transition: transform 0.25s ease;
}

.topbar-home-link .home-arrow svg {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

.topbar-home-link .home-text {
    position: relative;
    z-index: 1;
}

.topbar-home-link:hover .home-arrow {
    transform: translateX(-3px);
}

.topbar-home-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
    transition: width 0.3s ease;
    z-index: 0;
}

.topbar-home-link:hover {
    background: rgba(99, 102, 241, 0.12);
    color: #6366f1;
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(-2px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.topbar-home-link:hover::before {
    width: 100%;
}

.topbar-home-link:active {
    transform: translateX(0);
    box-shadow: 0 1px 4px rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .topbar-home-link {
    color: #a5b4fc;
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] .topbar-home-link::before {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.1));
}

[data-theme="dark"] .topbar-home-link:hover {
    background: rgba(99, 102, 241, 0.25);
    color: #c7d2fe;
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.topbar-spacer {
    flex: 1;
}

/* 测验页面特殊布局 */
.top-user-bar--test {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .top-user-bar--test {
    background: rgba(31, 41, 55, 0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.top-user-bar-inner--test {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 20px;
    align-items: center;
    font-size: 14px;
}

.topbar-left {
    display: flex;
    align-items: center;
}

.topbar-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 0;
}

.topbar-quote {
    text-align: center;
    padding: 8px 16px;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    max-width: 100%;
    overflow: hidden;
}

.topbar-quote .quote-text {
    display: block;
    color: #6366f1;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    animation: fadeInQuote 0.5s ease-in;
}

@keyframes fadeInQuote {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-theme="dark"] .topbar-quote {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] .topbar-quote .quote-text {
    color: #a5b4fc;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tub-nickname {
    font-weight: 600;
    color: #333;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 6px;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.tub-nickname .tub-icon {
    display: none; /* 桌面端默认隐藏图标 */
}

.tub-nickname .tub-text {
    display: inline-block; /* 桌面端显示文字 */
}

.tub-nickname:hover {
    background: #f7f7f7;
    color: #111;
}

[data-theme="dark"] .tub-nickname {
    color: #f9fafb;
}

[data-theme="dark"] .tub-nickname:hover {
    background: rgba(55, 65, 81, 0.5);
    color: #f9fafb;
}

.tub-link {
    color: #555;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 6px;
    transition: 0.2s;
}

.tub-link:hover {
    background: #f7f7f7;
    color: #111;
}

[data-theme="dark"] .tub-link {
    color: #d1d5db;
}

[data-theme="dark"] .tub-link:hover {
    background: rgba(55, 65, 81, 0.5);
    color: #f9fafb;
}

/* 带图标的链接样式 */
.tub-link-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.tub-link-notifications {
    position: relative;
}

.tub-badge {
    position: absolute;
    top: -4px;
    right: -8px;
    background: #ef4444;
    color: white;
    font-size: var(--font-xs);
    font-weight: var(--font-semibold);
    padding: var(--spacing-xs) var(--spacing-xs);
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
    line-height: 1.4;
}

[data-theme="dark"] .tub-badge {
    background: #f87171;
    color: #1f2937;
}

.tub-icon {
    display: none; /* 桌面端默认隐藏图标 */
    line-height: 1;
}

.tub-icon svg {
    width: 18px;
    height: 18px;
    vertical-align: middle;
}

.tub-text {
    display: inline-block; /* 桌面端显示文字 */
}

@media (max-width: 640px) {
    .test-page {
        margin: 64px auto 24px; /* 保持顶部间距，为固定 topbar 留出空间 */
        padding: 16px 12px 24px;
        border-radius: 12px;
    }
    
    .top-user-bar-inner {
        padding: 8px 12px;
        gap: 2px;
        font-size: 12px;
        flex-wrap: nowrap;
        justify-content: flex-end;
    }
    
    .topbar-home-link {
        font-size: 12px;
        padding: 5px 8px;
        gap: 4px;
    }
    
    .topbar-home-link .home-text {
        display: none; /* 移动端隐藏文字，只显示箭头 */
    }
    
    .topbar-home-link .home-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .topbar-home-link .home-arrow svg {
        width: 20px;
        height: 20px;
    }
    
    .tub-link {
        padding: 4px 6px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    /* 移动端：只显示图标，隐藏文字 */
    .tub-link-icon .tub-text {
        display: none;
    }
    
    /* 登录按钮在移动端显示文字，更清晰 */
    .tub-link-login .tub-text {
        display: inline-block;
        font-size: 11px;
        margin-left: 2px;
    }
    
    .tub-link-icon .tub-icon {
        display: flex; /* 移动端显示图标 */
        align-items: center;
        justify-content: center;
    }
    
    .tub-link-icon {
        padding: 6px 4px;
        min-width: 32px;
        min-height: 36px;
        justify-content: center;
        align-items: center;
    }
    
    /* 登录按钮在移动端显示文字，需要更多空间 */
    .tub-link-login {
        padding: 6px 8px;
        min-width: auto;
    }
    
    .tub-link-icon .tub-icon svg {
        width: 20px;
        height: 20px;
    }
    
    /* 通知链接的特殊处理 */
    .tub-link-icon[href="/notifications.php"] {
        position: relative;
    }
    
    .tub-nickname {
        font-size: 12px;
        padding: 4px 6px;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .theme-toggle-btn {
        width: 32px;
        height: 36px;
        border-radius: 8px;
        padding: 0;
    }
    
    .theme-toggle-btn .theme-icon-light,
    .theme-toggle-btn .theme-icon-dark {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .theme-toggle-btn .theme-icon-light svg,
    .theme-toggle-btn .theme-icon-dark svg {
        width: 18px;
        height: 18px;
    }
    
    /* 测验页面布局响应式 */
    .top-user-bar-inner--test {
        grid-template-columns: auto 1fr auto;
        gap: 8px;
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .topbar-quote {
        padding: 4px 8px;
        max-width: 100%;
        overflow: hidden;
    }
    
    .topbar-quote .quote-text {
        font-size: 11px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .topbar-right {
        gap: 0px; /* 移动端图标更紧凑 */
        flex-wrap: nowrap;
    }
    
    .topbar-right .tub-link {
        font-size: 11px;
        padding: 3px 5px;
    }
    
    /* 移动端：只显示图标，隐藏文字 */
    .topbar-right .tub-link-icon .tub-text {
        display: none;
    }
    
    /* 登录按钮在移动端显示文字，更清晰 */
    .topbar-right .tub-link-login .tub-text {
        display: inline-block;
        font-size: 11px;
        margin-left: 2px;
    }
    
    .topbar-right .tub-link-icon .tub-icon {
        display: flex; /* 移动端显示图标 */
        align-items: center;
        justify-content: center;
    }
    
    .topbar-right .tub-link-icon {
        padding: 6px 4px;
        min-width: 32px;
        min-height: 36px;
        justify-content: center;
        align-items: center;
    }
    
    /* 登录按钮在移动端显示文字，需要更多空间 */
    .topbar-right .tub-link-login {
        padding: 6px 8px;
        min-width: auto;
    }
    
    .topbar-right .tub-link-icon .tub-icon svg {
        width: 20px;
        height: 20px;
    }
    
    /* 通知链接的特殊处理 */
    .topbar-right .tub-link-icon[href="/notifications.php"] {
        position: relative;
    }
    
    /* 用户名在移动端也显示为图标 */
    .topbar-right .tub-nickname {
        padding: 6px 4px;
        min-width: 32px;
        min-height: 36px;
        justify-content: center;
        align-items: center;
    }
    
    .topbar-right .tub-nickname .tub-text {
        display: none; /* 移动端隐藏用户名文字 */
    }
    
    .topbar-right .tub-nickname .tub-icon {
        display: flex; /* 移动端显示用户图标 */
        align-items: center;
        justify-content: center;
    }
    
    .topbar-right .tub-nickname .tub-icon svg {
        width: 20px;
        height: 20px;
    }

    .test-hero-meta {
        flex-direction: row;
        align-items: flex-start;
    }

    .test-title {
        font-size: 22px;
    }

    .test-description {
        font-size: 13px;
        line-height: 1.4;
    }

    .test-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}

/* ===== 结果页整体 ===== */
.result-page {
    max-width: 720px;
    margin: var(--spacing-6xl) auto var(--spacing-4xl); /* 增加顶部 margin，为固定 topbar 留出空间 */
    padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-3xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: background-color var(--transition-normal) var(--ease-in-out), 
                box-shadow var(--transition-normal) var(--ease-in-out);
}

.result-hero {
    text-align: center;
    margin-bottom: 20px;
}

.result-emoji {
    font-size: 40px;
    margin-bottom: 6px;
}

.result-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 10px;
    border-radius: 999px;
    background-color: #eef2ff;
    color: #4f46e5;
    font-size: 12px;
    margin-bottom: 8px;
}

.result-title {
    font-size: clamp(24px, 4vw, 30px);
    font-weight: 700;
    color: #4338ca;
    margin: 0;
}

[data-theme="dark"] .result-title {
    color: #818cf8;
}

.result-subtitle {
    margin-top: 6px;
    font-size: 15px;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background-color: #f3f4ff;
    font-weight: 700;
    transition: color 0.3s ease, background-color 0.3s ease;
}

[data-theme="dark"] .result-subtitle {
    background-color: rgba(99, 102, 241, 0.2);
    color: #c7d2fe;
}

.result-body {
    margin-top: 16px;
}

.result-highlight {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.result-highlight strong {
    color: #4f46e5;
}

[data-theme="dark"] .result-highlight strong {
    color: #818cf8;
}

.result-description {
    font-size: var(--font-2xl);
    color: var(--text-primary);
    line-height: var(--leading-relaxed);
    white-space: pre-line;
    transition: color var(--transition-normal) var(--ease-in-out);
}

.result-image-wrapper {
    margin-top: var(--spacing-md);
}

.result-image {
    max-width: 100%;
    border-radius: var(--radius-md);
}

.result-actions {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.result-share-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
    margin-bottom: 12px;
    justify-content: center;
    align-items: center;
}
.result-share-actions button {
    flex: 1 1 auto;
    min-width: 130px;
    max-width: 200px;
    transition: all 0.2s ease;
}
.result-actions a,
.result-actions button {
    min-width: 150px;
    max-width: 220px;
    transition: all 0.2s ease;
}
.btn-ghost-muted {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border-radius: 12px;
    background-color: #f3f4f6;
    color: #4b5563;
    border: 1px solid #e5e7eb;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn-ghost-muted:hover {
    background-color: #e5e7eb;
    border-color: #d1d5db;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.btn-ghost-muted:active {
    transform: translateY(0);
}

.btn-ghost-soft-red {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border-radius: 12px;
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn-ghost-soft-red:hover {
    background-color: #fecdd3;
    border-color: #fca5a5;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(185, 28, 28, 0.15);
}
.btn-ghost-soft-red:active {
    transform: translateY(0);
}

/* 暗色主题下的按钮样式 */
[data-theme="dark"] .btn-ghost-muted {
    background-color: #374151;
    color: #d1d5db;
    border-color: #4b5563;
}
[data-theme="dark"] .btn-ghost-muted:hover {
    background-color: #4b5563;
    border-color: #6b7280;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .btn-ghost-soft-red {
    background-color: rgba(185, 28, 28, 0.2);
    color: #fca5a5;
    border-color: rgba(185, 28, 28, 0.4);
}
[data-theme="dark"] .btn-ghost-soft-red:hover {
    background-color: rgba(185, 28, 28, 0.3);
    border-color: rgba(185, 28, 28, 0.5);
    box-shadow: 0 2px 8px rgba(185, 28, 28, 0.25);
}

[data-theme="dark"] .btn-secondary {
    background-color: #374151;
    color: #d1d5db;
    border-color: #4b5563;
}
[data-theme="dark"] .btn-secondary:hover {
    background-color: #4b5563;
    border-color: #6b7280;
}

/* 统一的 Toast 提示系统 - 屏幕中间显示 */
.toast {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 16px 24px;
    border-radius: 12px;
    background: rgba(17, 24, 39, 0.95);
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    z-index: 10000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-width: 90%;
    text-align: center;
    line-height: 1.5;
    backdrop-filter: blur(10px);
}

.toast.toast--show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.toast.toast--hide {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
}

/* 暗色主题支持 */
[data-theme="dark"] .toast {
    background: rgba(31, 41, 55, 0.95);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* 兼容旧的 copy-toast */
.copy-toast {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 16px 24px;
    border-radius: 12px;
    background: rgba(17, 24, 39, 0.95);
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    z-index: 10000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s ease, transform 0.3s ease;
    max-width: 90%;
    text-align: center;
    line-height: 1.5;
    backdrop-filter: blur(10px);
}

.copy-toast.copy-toast--show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.copy-toast.copy-toast--hide {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
}

[data-theme="dark"] .copy-toast {
    background: rgba(31, 41, 55, 0.95);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

@media (min-width: 641px) and (max-width: 1024px) {
    .result-share-actions {
        gap: 12px;
    }
    .result-share-actions button {
        min-width: 140px;
        max-width: 180px;
    }
    .result-actions {
        gap: 14px;
    }
    .result-actions a,
    .result-actions button {
        min-width: 160px;
        max-width: 200px;
    }
}

/* ===== 主题切换按钮 ===== */
.theme-toggle-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
    border-color: #6366f1;
}

.theme-toggle-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px var(--shadow);
}

.theme-toggle-btn .theme-icon-light,
.theme-toggle-btn .theme-icon-dark {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-btn .theme-icon-light svg,
.theme-toggle-btn .theme-icon-dark svg {
    width: 18px;
    height: 18px;
    font-size: 18px;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1;
}

.theme-toggle-btn .theme-icon-light {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle-btn .theme-icon-dark {
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle-btn .theme-icon-light {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle-btn .theme-icon-dark {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .theme-toggle-btn {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

[data-theme="dark"] .theme-toggle-btn:hover {
    border-color: #818cf8;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

@media (max-width: 640px) {
    .theme-toggle-btn {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }
    
    .theme-toggle-btn .theme-icon-light,
    .theme-toggle-btn .theme-icon-dark {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .theme-toggle-btn .theme-icon-light svg,
    .theme-toggle-btn .theme-icon-dark svg {
        width: 18px;
        height: 18px;
    }
    
    .test-actions {
        margin-top: 20px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        width: 100%;
        box-sizing: border-box;
    }
    .test-actions .btn-primary,
    .test-actions .btn-secondary {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        justify-content: center;
        text-align: center;
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 999px;
    }

    .result-share-actions {
        margin-top: 20px;
        margin-bottom: 16px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        width: 100%;
        box-sizing: border-box;
    }
    .result-share-actions button {
        min-width: unset;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 12px 14px;
        font-size: 13px;
    }

    .result-actions {
        margin-top: 20px;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        width: 100%;
        box-sizing: border-box;
    }
    .result-actions a,
    .result-actions button {
        min-width: unset;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        justify-content: center;
        text-align: center;
        padding: 14px 20px;
        font-size: 15px;
        font-weight: 500;
        border-radius: 12px;
    }
}

/* ===== 测验结果海报 ===== */
.result-poster {
    width: 900px;
    height: 1600px;
    box-sizing: border-box;
    border-radius: 32px;
    background-image: url('/assets/img/dofun-poster-bg.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: none;
    overflow: hidden;
}

.result-poster::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.70);
}

.result-poster-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    padding: 64px 64px 56px;
    display: block;
    font-family: "PingFang SC", -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.poster-header {
    margin-bottom: 12px;
}

.poster-brand {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    background: rgba(148, 163, 184, 0.18);
    color: #4b5563;
}

.poster-test-title {
    margin-top: 8px;
    font-size: 17px;
    color: #6b7280;
}

.poster-result-block {
    margin-top: 4px;
    margin-bottom: 14px;
}

.poster-result-label {
    font-size: 13px;
    color: #9ca3af;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.poster-result-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.poster-result-emoji {
    font-size: 32px;
    line-height: 1;
    filter: drop-shadow(0 4px 10px rgba(15, 23, 42, 0.16));
}

.poster-result-text {
    font-size: 32px;
    line-height: 1.4;
    font-weight: 800;
    color: #0f172a;
}

.poster-description {
    flex-grow: 1;
    margin-top: 8px;
    margin-bottom: 40px;
    font-size: 17px;
    line-height: 1.85;
    color: #4b5563;
    white-space: pre-line;
    position: relative;
    max-height: 640px;
    overflow: hidden;
}

.poster-description p {
    margin: 4px 0;
}

.poster-description::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 48px;
    background: linear-gradient(to bottom, rgba(248, 250, 252, 0), rgba(248, 250, 252, 0.96));
}

.poster-footer {
    max-width: 720px;
    border-top: 1px solid rgba(148, 163, 184, 0.35);
    padding-top: 10px;
    font-size: 14px;
    color: #6366f1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.poster-footer-brand {
    font-weight: 500;
}

.poster-main {
    max-width: 720px;
    background: rgba(255, 255, 255, 0.86);
    border-radius: 24px;
    padding: 24px 28px 22px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
    margin-bottom: 18px;
}

.poster-brand {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    background: rgba(148, 163, 184, 0.18);
    color: #4b5563;
}

.poster-test-title {
    margin-top: 10px;
    font-size: 16px;
    color: #6b7280;
}

@media (max-width: 640px) {
    .result-page {
        margin: 64px auto 24px; /* 保持顶部间距，为固定 topbar 留出空间 */
        padding: 18px 14px 24px;
        border-radius: 14px;
    }

    .result-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .page-auth .auth-container,
    .page-my-tests .my-tests-container {
        margin: 64px auto 24px; /* 移动端保持顶部间距 */
        padding: 20px 16px;
    }
    
    .home {
        padding: 64px 12px 40px; /* 移动端保持顶部 padding */
    }
    
    .auth-container h1,
    .my-tests-header h1 {
        font-size: 20px;
    }
    
    .auth-submit-btn {
        font-size: 15px;
        padding: 14px 0;
        min-height: 48px; /* 确保触摸目标足够大 */
    }
    
    .auth-footer {
        font-size: 12px;
    }
    
    .auth-footer a {
        display: inline-block;
        margin: 0 4px;
    }
}

.card-header {
    margin-bottom: 8px;
}

.card-title-row {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}

.card-title-emoji {
    font-size: 20px;
    line-height: 1;
}

.card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    min-height: 2.6em; /* 固定两行占位，确保高度一致 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.card-title a,
.card-title-link {
    color: inherit;
    text-decoration: none;
}

.card-title-link:hover {
    text-decoration: none;
}

.card-title-link {
    text-decoration: none;
    color: inherit;
}

.card-description {
    flex-grow: 1;
    margin-top: 6px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    min-height: 3.2em; /* 两行高度，确保描述区位置一致 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.3s ease;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
}

.card-play-count {
    font-size: var(--font-base);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    white-space: nowrap;
    transition: color var(--transition-normal) var(--ease-in-out);
}

.card-play-count strong {
    color: var(--color-primary);
    font-weight: var(--font-bold);
}

.card-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-primary);
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: var(--font-base);
    font-weight: var(--font-medium);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-fast) var(--ease-in-out);
}

.card-button:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.card-button:active {
    transform: translateY(0);
}

/* 逐题作答结构化样式（基础） */
.quiz-question-block {
    margin-bottom: 24px;
}

.quiz-question-heading {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    gap: 8px;
}

.quiz-q-number {
    color: #5B6FFF;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.quiz-option-item {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

[data-theme="dark"] .quiz-option-item,
html[data-theme="dark"] .quiz-option-item {
    background-color: #111827 !important;
}

.quiz-option-item input[type="radio"] {
    margin-top: 3px;
}

.quiz-option-key {
    font-weight: 600;
    color: #666;
}

/* 广告位样式 */
.ad-wrapper {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
}

.ad-wrapper--home-top {
    margin-top: 0;
    margin-bottom: var(--spacing-3xl);
}

.ad-wrapper--home-middle {
    margin: var(--spacing-3xl) 0;
}

.ad-wrapper--home-bottom {
    margin-top: var(--spacing-5xl);
    margin-bottom: 0;
}

.ad-wrapper--test-top {
    margin-top: 0;
    margin-bottom: var(--spacing-2xl);
}

.ad-wrapper--test-middle {
    margin: var(--spacing-2xl) 0;
}

.ad-wrapper--test-bottom {
    margin-top: var(--spacing-2xl);
    margin-bottom: 0;
}

.ad-wrapper--result-top {
    margin-top: 0;
    margin-bottom: var(--spacing-2xl);
}

.ad-wrapper--result-middle {
    margin: var(--spacing-2xl) 0;
}

.ad-wrapper--result-bottom {
    margin-top: var(--spacing-5xl);
    margin-bottom: 0;
}

.ad-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.ad-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

.ad-text-link {
    display: inline-block;
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.ad-text-link:hover {
    opacity: 0.8;
}

.ad-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 用户资料页面样式 ===== */
.profile-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.profile-section {
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}

.profile-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

[data-theme="dark"] .profile-section,
html[data-theme="dark"] .profile-section {
    border-bottom-color: #374151 !important;
}

.profile-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    transition: color 0.3s ease;
}

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

.profile-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-sm);
    color: #ef4444;
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .form-error,
html[data-theme="dark"] .form-error {
    color: #f87171 !important;
}

.form-success {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-sm);
    color: #065f46;
    transition: color var(--transition-normal) var(--ease-in-out);
}

[data-theme="dark"] .form-success {
    color: #6ee7b7;
}

.profile-form .btn-primary {
    align-self: flex-start;
}

.btn-link {
    color: #4f46e5;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

[data-theme="dark"] .btn-link,
html[data-theme="dark"] .btn-link {
    color: #818cf8 !important;
}

.btn-link:hover {
    text-decoration: underline;
}

.profile-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .profile-stats,
html[data-theme="dark"] .profile-stats {
    background-color: #111827 !important;
    border-color: #374151 !important;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.profile-empty {
    color: var(--text-secondary);
    text-align: center;
    padding: 32px 0;
    transition: color 0.3s ease;
}

.profile-runs-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.profile-runs-more {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.profile-run-item {
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}

[data-theme="dark"] .profile-run-item,
html[data-theme="dark"] .profile-run-item {
    background-color: #111827 !important;
    border-color: #374151 !important;
}

.profile-run-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.run-item-main {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.run-item-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.run-item-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.run-item-title a:hover {
    color: #4f46e5;
}

[data-theme="dark"] .run-item-title a:hover,
html[data-theme="dark"] .run-item-title a:hover {
    color: #818cf8 !important;
}

.run-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.run-item-result a {
    color: #4f46e5;
    text-decoration: none;
    transition: color 0.3s ease;
}

[data-theme="dark"] .run-item-result a,
html[data-theme="dark"] .run-item-result a {
    color: #818cf8 !important;
}

.run-item-result a:hover {
    text-decoration: underline;
}

.run-item-score {
    font-weight: 600;
}

.run-item-time {
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    .page-profile .profile-container {
        margin: 64px auto 24px;
        padding: 20px 16px;
    }

    .profile-content {
        gap: 24px;
    }

    .profile-section {
        padding-bottom: 24px;
    }

    .profile-section-title {
        font-size: 16px;
    }

    .profile-stats {
        flex-direction: column;
        gap: 16px;
    }

    .run-item-meta {
        flex-direction: column;
        gap: 6px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group input,
    .form-group select {
        font-size: 16px; /* 移动端使用16px避免自动缩放 */
        padding: 12px 14px;
        min-height: 44px; /* 确保触摸目标足够大 */
    }
    
    .form-hint {
        font-size: 11px;
    }
    
    .btn-primary,
    .btn-secondary {
        min-height: 44px; /* 确保触摸目标足够大 */
        padding: 12px 20px;
        font-size: 15px;
    }
}

[data-theme="dark"] .ad-wrapper,
html[data-theme="dark"] .ad-wrapper {
    background-color: #1f2937 !important;
    border-color: #374151 !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .ad-wrapper {
        margin: 16px 0;
        padding: 12px;
    }
}

.quiz-step-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid rgba(0,0,0,0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

[data-theme="dark"] .quiz-step-footer,
html[data-theme="dark"] .quiz-step-footer {
    border-top-color: #374151 !important;
}

.quiz-progress {
    font-size: 14px;
    color: #555;
}

.quiz-step-buttons {
    display: flex;
    gap: 8px;
}

@media (max-width: 768px) {
    .quiz-step-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    .quiz-step-buttons {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}

/* ========================================
   通知页面样式 (Notifications Page)
   ======================================== */

.page-notifications .container {
    max-width: 900px;
    margin: var(--spacing-6xl) auto var(--spacing-5xl);
    padding: 0 var(--spacing-lg);
}

.page-notifications header {
    margin-bottom: var(--spacing-3xl);
}

.page-notifications h1 {
    font-size: var(--font-6xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-notifications header p {
    color: var(--text-secondary);
    font-size: var(--font-md);
}

.page-notifications header strong {
    color: #ef4444;
    font-weight: var(--font-bold);
}

/* Alert 消息样式 */
.alert {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid;
    transition: all var(--transition-normal) var(--ease-in-out);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-color: #6ee7b7;
}

[data-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

[data-theme="dark"] .alert-error {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

/* 通知操作栏 */
.notifications-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

/* 空状态 */
.notifications-empty {
    text-align: center;
    padding: var(--spacing-5xl) var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.notifications-empty p {
    color: var(--text-secondary);
    font-size: var(--font-xl);
}

/* 通知列表 */
.notifications-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* 通知项 */
.notification-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal) var(--ease-in-out);
}

.notification-item.unread {
    border-left: 3px solid #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

[data-theme="dark"] .notification-item.unread {
    background: rgba(239, 68, 68, 0.1);
}

.notification-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

/* 未读指示器 */
.notification-unread-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: var(--radius-full);
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

/* 通知内容 */
.notification-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.notification-main {
    flex: 1;
}

.notification-title {
    font-size: var(--font-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.notification-text {
    font-size: var(--font-md);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-sm);
}

.notification-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.notification-time {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

/* 通知类型标签 */
.notification-type {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xs);
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
}

.notification-type-info {
    background: #dbeafe;
    color: #1e40af;
}

[data-theme="dark"] .notification-type-info {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

.notification-type-success {
    background: #d1fae5;
    color: #065f46;
}

[data-theme="dark"] .notification-type-success {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.notification-type-warning {
    background: #fef3c7;
    color: #92400e;
}

[data-theme="dark"] .notification-type-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fcd34d;
}

.notification-type-error {
    background: #fee2e2;
    color: #991b1b;
}

[data-theme="dark"] .notification-type-error {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* 通知项操作按钮 */
.notification-item .notification-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-lg);
}

.btn-xs {
    font-size: var(--font-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    min-height: auto;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--bg-primary);
    border-color: var(--border-color-hover);
    color: var(--text-primary);
}

.btn-ghost.btn-danger {
    color: #ef4444 !important;
}

.btn-ghost.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444 !important;
}

/* 分页 */
.notifications-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-3xl);
}

.notifications-pagination span {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-base);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .page-notifications .container {
        margin-top: var(--spacing-5xl);
        padding: 0 var(--spacing-md);
    }
    
    .page-notifications h1 {
        font-size: var(--font-5xl);
    }
    
    .notification-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .notification-item .notification-actions {
        margin-left: 0;
        width: 100%;
        justify-content: flex-end;
    }
    
    .notifications-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: var(--spacing-sm);
    }
}