/* 谜语大全样式 */

/* 搜索区域 */
.search-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.search-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.search-input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.category-tabs {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-label {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.tab-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.5rem 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.tab-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 随机谜语区域 */
.random-riddle-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.random-riddle-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.riddle-question h4, .riddle-answer h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.riddle-question p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.riddle-answer p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.answer-explanation {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.riddle-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* 谜语展示区域 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    padding: 0.5rem 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.view-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.view-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 谜语网格 */
.riddles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.riddle-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.riddle-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.riddle-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.riddle-category {
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.riddle-actions {
    display: flex;
    gap: 0.5rem;
}

.riddle-content {
    margin-bottom: 1rem;
}

.riddle-question {
    margin-bottom: 1rem;
}

.riddle-question h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.riddle-question p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
}

.riddle-answer {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.riddle-answer h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.riddle-answer p {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.riddle-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 谜语列表视图 */
.riddles-grid.list-view {
    grid-template-columns: 1fr;
}

.riddle-card.list-view {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.riddle-card.list-view .riddle-content {
    flex: 1;
    margin-bottom: 0;
}

.riddle-card.list-view .riddle-question {
    display: inline-block;
    margin-right: 1rem;
    margin-bottom: 0;
}

/* 加载更多 */
.load-more {
    text-align: center;
    margin-top: 2rem;
}

.load-more-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.load-more-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* 谜语游戏 */
.game-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.game-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
}

.score-info, .level-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.score-label, .level-label {
    font-weight: 600;
    color: var(--text-primary);
}

.score-value, .level-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.game-riddle h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.game-riddle p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.answer-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.answer-input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.answer-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.game-result {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.game-result.correct {
    background: var(--success-color);
    color: white;
}

.game-result.incorrect {
    background: var(--error-color);
    color: white;
}

.next-game-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.next-game-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* 谜语知识 */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.knowledge-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.knowledge-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.knowledge-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.knowledge-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .search-input-group {
        flex-direction: column;
    }

    .category-tabs {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .riddles-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-grid {
        grid-template-columns: 1fr;
    }

    .riddle-card.list-view {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .riddle-card.list-view .riddle-question {
        display: block;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }

    .game-info {
        flex-direction: column;
        gap: 1rem;
    }

    .answer-input-group {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .search-container {
        padding: 1.5rem;
    }

    .random-riddle-card {
        padding: 1.5rem;
    }

    .game-container {
        padding: 1.5rem;
    }

    .riddle-card {
        padding: 1rem;
    }

    .knowledge-item {
        padding: 1rem;
    }
}

/* 动画效果 */
.riddle-card {
    animation: fadeInUp 0.6s ease-out;
}

.riddle-card:nth-child(2) {
    animation-delay: 0.1s;
}

.riddle-card:nth-child(3) {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 主题色彩 */
:root {
    --riddle-primary: #8b5cf6;
    --riddle-secondary: #7c3aed;
}

.tab-btn.active {
    background: var(--riddle-primary);
    border-color: var(--riddle-primary);
}

.riddle-category {
    background: var(--riddle-primary);
}

.riddle-card:hover {
    border-color: var(--riddle-primary);
}

.action-btn {
    background: var(--riddle-primary);
}

.action-btn:hover {
    background: var(--riddle-secondary);
}