/* === 错题本 - 现代化视觉设计 === */

/* 错题本样式 - 使用全局设计系统变量 */

:root {
    /* 映射到全局设计系统变量 */
    --wb-primary: var(--primary-color);
    --wb-primary-light: var(--primary-light);
    --wb-primary-dark: var(--primary-dark);
    --wb-accent: var(--accent-color);
    --wb-accent-light: var(--accent-light);
    --wb-success: var(--success-color);
    --wb-success-light: var(--success-light);
    --wb-danger: var(--error-color);
    --wb-danger-light: var(--error-light);
    --wb-warning: var(--warning-color);
    --wb-bg-primary: linear-gradient(135deg, #0a0a1a 0%, #1a1a3a 50%, #0a0a1a 100%);
    --wb-bg-card: rgba(0, 255, 255, 0.05);
    --wb-bg-card-hover: rgba(0, 255, 255, 0.1);
    --wb-bg-card-mastered: rgba(16, 185, 129, 0.1);
    --wb-text-primary: var(--text-color);
    --wb-text-secondary: var(--light-text);
    --wb-text-muted: var(--muted-text);
    --wb-text-accent: var(--primary-color);
    --wb-border: var(--border-color);
    --wb-border-mastered: rgba(16, 185, 129, 0.4);
    --wb-shadow: var(--shadow);
    --wb-shadow-hover: var(--shadow-hover);
    --wb-space-xs: var(--space-xs);
    --wb-space-sm: var(--space-sm);
    --wb-space-md: var(--space-md);
    --wb-space-lg: var(--space-lg);
    --wb-space-xl: var(--space-xl);
    --wb-space-2xl: var(--space-2xl);
    --wb-space-3xl: var(--space-3xl);
    --wb-space-4xl: var(--space-4xl);
    --wb-radius-sm: var(--border-radius-sm);
    --wb-radius-md: var(--border-radius-md);
    --wb-radius-lg: var(--border-radius-lg);
    --wb-radius-xl: var(--border-radius-xl);
    --wb-radius-full: var(--border-radius-full);
    --wb-font-display: var(--font-display);
    --wb-font-body: var(--font-body);
    --wb-font-mono: var(--font-mono);
    --wb-transition-fast: var(--transition-fast);
    --wb-transition-normal: var(--transition);
    --wb-transition-slow: var(--transition-slow);
    --wb-transition-bounce: var(--transition-bounce);
}

/* 错题本主屏幕 */
#wrongbook-screen {
    background: var(--wb-bg-primary);
    min-height: 100vh;
    overflow-y: auto;
    position: relative;
}

/* 背景装饰 */
#wrongbook-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 0, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* 容器 */
.wrongbook-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--wb-space-xl);
    position: relative;
    z-index: 1;
}

/* 统计卡片网格 */
.wrongbook-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--wb-space-md);
    margin-bottom: var(--wb-space-lg);
}

/* 统计卡片 */
.wrongbook-stat-card {
    background: var(--wb-bg-card);
    border-radius: var(--wb-radius-lg);
    padding: var(--wb-space-md);
    text-align: center;
    backdrop-filter: blur(20px);
    border: 1px solid var(--wb-border);
    transition: var(--wb-transition-normal);
    position: relative;
    overflow: hidden;
}

.wrongbook-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--wb-primary), var(--wb-accent));
    opacity: 0;
    transition: var(--wb-transition-normal);
}

.wrongbook-stat-card:hover {
    background: var(--wb-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--wb-shadow-hover);
}

.wrongbook-stat-card:hover::before {
    opacity: 1;
}

/* 统计数字 */
.wrongbook-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--wb-text-primary);
    font-family: var(--wb-font-display);
    line-height: 1;
    margin-bottom: 0.25rem;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.6), 0 0 30px rgba(0, 255, 255, 0.3);
}

/* 统计标签 */
.wrongbook-stat-label {
    font-size: 0.8rem;
    color: var(--wb-text-muted);
    font-family: var(--wb-font-body);
    font-weight: 500;
}

/* 筛选器容器 */
.wrongbook-filter {
    display: flex;
    justify-content: center;
    gap: var(--wb-space-sm);
    margin-bottom: var(--wb-space-2xl);
    flex-wrap: wrap;
}

/* 筛选按钮 */
.filter-btn {
    background: var(--wb-bg-card);
    color: var(--wb-text-secondary);
    border: 1px solid var(--wb-border);
    padding: var(--wb-space-sm) var(--wb-space-xl);
    border-radius: var(--wb-radius-full);
    font-family: var(--wb-font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--wb-transition-bounce);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: var(--wb-space-xs);
}

.filter-icon {
    font-size: 1rem;
    transition: var(--wb-transition-normal);
}

.filter-btn:hover .filter-icon {
    transform: scale(1.1);
}

.filter-btn.active .filter-icon {
    animation: wbFilterIconBounce 0.5s ease;
}

@keyframes wbFilterIconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--wb-transition-slow);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn.active {
    background: var(--wb-primary);
    color: white;
    border-color: var(--wb-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* 错题列表容器 */
.wrongbook-list {
    display: flex;
    flex-direction: column;
    gap: var(--wb-space-lg);
    margin-bottom: var(--wb-space-2xl);
    max-height: none !important;
    overflow-y: visible !important;
}

/* 错题卡片 */
.wrongbook-item {
    background: var(--wb-bg-card);
    border-radius: var(--wb-radius-lg);
    padding: var(--wb-space-xl);
    backdrop-filter: blur(20px);
    border: 1px solid var(--wb-border);
    transition: var(--wb-transition-bounce);
    position: relative;
    cursor: pointer;
    max-height: none;
    flex-shrink: 0;
}

.wrongbook-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--wb-primary);
    opacity: 0;
    transition: var(--wb-transition-normal);
}

.wrongbook-item:hover {
    background: var(--wb-bg-card-hover);
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--wb-shadow-hover);
}

.wrongbook-item:hover::before {
    opacity: 1;
}

/* 已掌握卡片 */
.wrongbook-item.mastered {
    background: var(--wb-bg-card-mastered);
    border-color: var(--wb-border-mastered);
}

.wrongbook-item.mastered::before {
    background: var(--wb-success);
}

/* 卡片头部 */
.wrongbook-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--wb-space-md);
}

/* 单词文本 */
.wrongbook-word {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--wb-text-primary);
    font-family: var(--wb-font-display);
    line-height: 1.2;
    transition: var(--wb-transition-normal);
}

.wrongbook-word.mastered-text {
    text-decoration: none;
    color: var(--wb-success-light);
    opacity: 0.8;
}

/* 徽章容器 */
.wrongbook-badges {
    display: flex;
    gap: var(--wb-space-xs);
    flex-wrap: wrap;
}

/* 徽章 */
.wrongbook-badge {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: var(--wb-radius-full);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.wrongbook-badge.from-monopoly {
    background: linear-gradient(135deg, var(--wb-success), var(--wb-success-light));
    color: white;
}

.wrongbook-badge.from-wordmatch {
    background: linear-gradient(135deg, var(--wb-primary), var(--wb-primary-light));
    color: white;
}

.wrongbook-badge.from-wordblast {
    background: linear-gradient(135deg, var(--wb-accent), var(--wb-accent-light));
    color: white;
}

/* 音标 */
.wrongbook-phonetic {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--wb-space-sm);
    font-family: var(--wb-font-mono);
    display: flex;
    align-items: center;
    gap: var(--wb-space-sm);
}

/* 朗读按钮 */
.wrongbook-speak-btn {
    background: none;
    border: none;
    color: var(--wb-primary-light);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    transition: var(--wb-transition-bounce);
    opacity: 0.7;
}

.wrongbook-speak-btn:hover {
    transform: scale(1.2);
    opacity: 1;
}

/* 释义 */
.wrongbook-meaning {
    color: var(--wb-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--wb-space-md);
    font-family: var(--wb-font-body);
    line-height: 1.5;
}

/* 词根词缀 */
.wrongbook-rootAffix {
    color: var(--wb-text-accent);
    font-size: 0.95rem;
    margin-bottom: var(--wb-space-md);
    padding: var(--wb-space-sm) var(--wb-space-md);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--wb-radius-md);
    border-left: 3px solid rgba(245, 158, 11, 0.5);
    font-family: var(--wb-font-body);
}

.wrongbook-rootAffix-label {
    font-weight: 700;
    color: var(--wb-accent-light);
}

/* 例句 */
.wrongbook-example {
    color: var(--wb-text-muted);
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: var(--wb-space-md);
    padding: var(--wb-space-sm) var(--wb-space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--wb-radius-md);
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    font-family: var(--wb-font-body);
}

/* 元数据 */
.wrongbook-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--wb-text-muted);
    font-size: 0.8rem;
    margin-bottom: var(--wb-space-md);
    padding-top: var(--wb-space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* 错误次数 */
.wrongbook-count {
    color: var(--wb-danger-light);
    font-weight: 700;
    font-family: var(--wb-font-mono);
}

/* 操作按钮容器 */
.wrongbook-actions-cell {
    display: flex;
    gap: var(--wb-space-sm);
    justify-content: flex-end;
    margin-top: var(--wb-space-md);
    padding-top: var(--wb-space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 操作按钮 */
.wrongbook-action-btn-small {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: none;
    padding: var(--wb-space-xs) var(--wb-space-md);
    border-radius: var(--wb-radius-sm);
    font-size: 0.8rem;
    font-family: var(--wb-font-body);
    font-weight: 600;
    cursor: pointer;
    transition: var(--wb-transition-bounce);
    backdrop-filter: blur(10px);
}

.wrongbook-action-btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.wrongbook-action-btn-small.danger {
    background: rgba(239, 68, 68, 0.3);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.wrongbook-action-btn-small.danger:hover {
    background: rgba(239, 68, 68, 0.5);
}

.wrongbook-action-btn-small.success {
    background: rgba(16, 185, 129, 0.3);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.wrongbook-action-btn-small.success:hover {
    background: rgba(16, 185, 129, 0.5);
}

/* 底部操作按钮 */
.wrongbook-actions {
    display: flex !important;
    justify-content: center !important;
    gap: 60px !important;
    flex-wrap: nowrap !important;
    margin-bottom: 8px;
}

.wrongbook-container .wrongbook-action-btn {
    background: linear-gradient(135deg, var(--wb-primary), var(--wb-primary-dark)) !important;
    font-size: 0.8rem !important;
    padding: 6px 12px !important;
    border-radius: 12px !important;
    white-space: nowrap !important;
    min-width: auto !important;
    max-width: none !important;
    width: auto !important;
    flex-shrink: 0;
    font-weight: 600 !important;
    font-family: var(--wb-font-display) !important;
    transition: var(--wb-transition-bounce) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.btn-icon {
    font-size: 0.9rem;
    transition: var(--wb-transition-normal);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.wrongbook-action-btn:hover .btn-icon {
    transform: scale(1.1);
}

.wrongbook-success-btn {
    background: linear-gradient(180deg, var(--wb-success), var(--wb-success-light)) !important;
    border-color: rgba(16, 185, 129, 0.5) !important;
    border-left: 3px solid rgba(255, 255, 255, 0.4) !important;
}

.wrongbook-success-btn:hover {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.5) !important;
    border-left-color: rgba(255, 255, 255, 0.7) !important;
}

.wrongbook-action-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35) !important;
}

.wrongbook-danger-btn {
    background: linear-gradient(225deg, var(--wb-danger), #dc2626) !important;
    border-color: rgba(239, 68, 68, 0.5) !important;
    border-style: dashed !important;
}

.wrongbook-danger-btn:hover {
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.5) !important;
    border-style: solid !important;
}

/* 空状态 */
.wrongbook-empty {
    text-align: center;
    padding: var(--wb-space-4xl);
    color: var(--wb-text-muted);
    animation: wbEmptyPulse 3s ease-in-out infinite;
}

@keyframes wbEmptyPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.wrongbook-empty-icon {
    font-size: 5rem;
    margin-bottom: var(--wb-space-xl);
    animation: wbFloat 3s ease-in-out infinite;
}

@keyframes wbFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.wrongbook-empty-text {
    font-size: 1.3rem;
    font-family: var(--wb-font-display);
    font-weight: 600;
    margin-bottom: var(--wb-space-md);
}

.wrongbook-empty-hint {
    font-size: 0.9rem;
    color: var(--wb-text-muted);
    font-family: var(--wb-font-body);
}

/* 卡片入场动画 */
@keyframes wbCardEnter {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.wrongbook-item {
    animation: wbCardEnter 0.4s ease-out forwards;
}

/* 错误闪烁效果 */
@keyframes wbErrorFlash {
    0%, 100% { border-color: var(--wb-border); }
    50% { border-color: var(--wb-danger); }
}

.wrongbook-item.error-flash {
    animation: wbErrorFlash 0.5s ease;
}

/* 掌握成功效果 */
@keyframes wbMasteredSuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.wrongbook-item.mastered-success {
    animation: wbMasteredSuccess 0.4s ease;
}

/* 删除确认动画 */
@keyframes wbDeleteConfirm {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); }
    100% { transform: scale(0.95); opacity: 0.5; }
}

.wrongbook-item.delete-confirm {
    animation: wbDeleteConfirm 0.3s ease;
}

/* 统计卡片进度条 */
.wrongbook-stat-progress {
    margin-top: var(--wb-space-sm);
    display: flex;
    align-items: center;
    gap: var(--wb-space-sm);
}

.wrongbook-progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.wrongbook-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--wb-success), var(--wb-success-light));
    border-radius: 3px;
    transition: width 0.5s ease;
}

.wrongbook-progress-text {
    font-size: 0.7rem;
    color: var(--wb-success-light);
    font-weight: 600;
    font-family: var(--wb-font-mono);
}

/* 统计卡片图标 */
.wrongbook-stat-icon {
    font-size: 1.5rem;
    margin-top: var(--wb-space-xs);
    opacity: 0.7;
}

/* 错误次数进度条 */
.wrongbook-wrong-info {
    display: flex;
    align-items: center;
    gap: var(--wb-space-sm);
}

.wrongbook-wrong-bar {
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.wrongbook-wrong-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--wb-warning), var(--wb-danger));
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* 时间显示 */
.wrongbook-time {
    font-size: 0.75rem;
    color: var(--wb-text-muted);
    font-family: var(--wb-font-mono);
}

/* 朗读按钮动画 */
.wrongbook-speak-btn.speaking {
    animation: wbSpeakPulse 1s ease;
}

@keyframes wbSpeakPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
}

/* 卡片展开状态 */
.wrongbook-item.expanded {
    background: var(--wb-bg-card-hover);
    box-shadow: var(--wb-shadow-hover);
}

.wrongbook-item.expanded .wrongbook-actions-cell {
    opacity: 1;
    transform: translateY(0);
}

/* 通知样式 */
.wrongbook-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--wb-space-md) var(--wb-space-xl);
    border-radius: var(--wb-radius-md);
    color: white;
    font-family: var(--wb-font-body);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--wb-space-sm);
    z-index: 10000;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    backdrop-filter: blur(20px);
    box-shadow: var(--wb-shadow);
}

.wrongbook-notification.show {
    transform: translateX(0);
}

.wrongbook-notification-success {
    background: linear-gradient(135deg, var(--wb-success), var(--wb-success-light));
}

.wrongbook-notification-warning {
    background: linear-gradient(135deg, var(--wb-warning), var(--wb-accent-light));
}

.wrongbook-notification-info {
    background: linear-gradient(135deg, var(--wb-primary), var(--wb-primary-light));
}

.wrongbook-notification-icon {
    font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .wrongbook-stats {
        grid-template-columns: 1fr;
        gap: var(--wb-space-sm);
    }
    
    .wrongbook-stat-card {
        padding: var(--wb-space-md);
    }
    
    .wrongbook-stat-number {
        font-size: 1.8rem;
    }
    
    .wrongbook-filter {
        gap: var(--wb-space-xs);
    }
    
    .filter-btn {
        padding: var(--wb-space-xs) var(--wb-space-md);
        font-size: 0.8rem;
    }
    
    .wrongbook-item {
        padding: var(--wb-space-lg);
    }
    
    .wrongbook-word {
        font-size: 1.3rem;
    }
    
    .wrongbook-actions-cell {
        opacity: 1;
        transform: translateY(0);
    }
    
    .wrongbook-actions {
        flex-wrap: wrap !important;
        gap: 60px !important;
    }
    
    .wrongbook-container .wrongbook-action-btn {
        font-size: 0.75rem !important;
        padding: 5px 10px !important;
    }
    
    .wrongbook-success-btn {
        border-left-width: 2px !important;
    }
}

@media (max-width: 480px) {
    .wrongbook-container {
        padding: var(--wb-space-md);
    }
    
    .wrongbook-item-header {
        flex-direction: column;
        gap: var(--wb-space-sm);
    }
    
    .wrongbook-badges {
        align-self: flex-start;
    }
    
    .wrongbook-actions {
        gap: 60px !important;
    }
    
    .wrongbook-container .wrongbook-action-btn {
        font-size: 0.7rem !important;
        padding: 4px 8px !important;
        gap: 4px !important;
    }
    
    .btn-icon {
        font-size: 0.8rem !important;
    }
    
    .wrongbook-success-btn {
        border-left-width: 2px !important;
    }
    
    .wrongbook-danger-btn {
        border-width: 1px !important;
    }
}

/* === 测验模式 === */

/* 测验按钮特殊样式 */
.wrongbook-quiz-btn {
    background: linear-gradient(45deg, var(--wb-accent), var(--wb-accent-light)) !important;
    border-color: rgba(245, 158, 11, 0.5) !important;
    box-shadow: inset 0 -3px 0 rgba(255, 255, 255, 0.3) !important;
}

.wrongbook-quiz-btn:hover {
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.5), inset 0 -3px 0 rgba(255, 255, 255, 0.5) !important;
}

/* 测验模式激活时的按钮样式 */
.wrongbook-quiz-btn.active {
    background: linear-gradient(135deg, var(--wb-danger), #dc2626) !important;
}

.wrongbook-quiz-btn.active:hover {
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4) !important;
}

/* 测验模式下的容器 */
.wrongbook-container.quiz-mode .wrongbook-item {
    cursor: default;
}

/* 测验模式下隐藏非测验内容 */
.wrongbook-container.quiz-mode .wrongbook-meaning,
.wrongbook-container.quiz-mode .wrongbook-rootAffix,
.wrongbook-container.quiz-mode .wrongbook-example,
.wrongbook-container.quiz-mode .wrongbook-meta {
    display: none;
}

/* 测验模式下单词和音标居中显示 */
.wrongbook-container.quiz-mode .wrongbook-item-header {
    justify-content: center;
}

.wrongbook-container.quiz-mode .wrongbook-badges {
    display: none;
}

.wrongbook-container.quiz-mode .wrongbook-word {
    font-size: 2rem;
    text-align: center;
    width: 100%;
}

.wrongbook-container.quiz-mode .wrongbook-phonetic {
    justify-content: center;
    font-size: 1.3rem;
}

/* 测验模式卡片特殊样式 */
.wrongbook-container.quiz-mode .wrongbook-item {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(245, 158, 11, 0.1));
    border-color: var(--wb-primary-light);
    padding: var(--wb-space-2xl) var(--wb-space-xl);
}

.wrongbook-container.quiz-mode .wrongbook-item:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(245, 158, 11, 0.15));
}

/* 测验模式下的掌握标记 */
.wrongbook-container.quiz-mode .wrongbook-item.mastered {
    opacity: 0.5;
    background: var(--wb-bg-card-mastered);
}

/* 测验模式统计卡片提示 */
.wrongbook-quiz-hint {
    text-align: center;
    color: var(--wb-accent-light);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--wb-space-lg);
    padding: var(--wb-space-md);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--wb-radius-md);
    border: 1px solid rgba(245, 158, 11, 0.3);
    font-family: var(--wb-font-body);
    animation: wbQuizHintPulse 2s ease-in-out infinite;
}

@keyframes wbQuizHintPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}