/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    color: white;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.logo i {
    color: #ff0050;
    margin-right: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* 搜索区域 */
.search-section {
    padding: 3rem 0;
}

.search-box {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

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

#searchKeyword {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid #e1e5e9;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

#searchKeyword:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.search-options {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-group label {
    font-weight: 600;
    color: #555;
    white-space: nowrap;
}

.option-group select {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
}

/* 加载状态 */
.loading-indicator {
    text-align: center;
    padding: 2rem;
    color: white;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-left: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 结果区域 */
.results-section {
    padding: 2rem 0;
    min-height: 400px;
}

.search-info {
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.search-info p {
    margin-bottom: 0.5rem;
}

.search-info span {
    font-weight: 600;
    color: #667eea;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.work-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.work-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.work-cover {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.work-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.work-item:hover .work-cover img {
    transform: scale(1.05);
}

.duration-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.content-type-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: #ff0050;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.work-info {
    padding: 1rem;
}

.work-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.work-author {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.work-description {
    color: #888;
    font-size: 0.85rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 加载更多 */
.load-more-section {
    text-align: center;
    margin: 2rem 0;
}

.load-more-btn {
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.9);
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 3rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.no-results i {
    font-size: 3rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.no-results h3 {
    color: #666;
    margin-bottom: 0.5rem;
}

.no-results p {
    color: #888;
}

/* 错误提示 */
.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.error-content {
    background: #ff4757;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(255, 71, 87, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 400px;
}

.close-error {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 15px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: 1.5rem;
}

.work-detail {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.work-detail .work-cover {
    flex: 0 0 200px;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
}

.work-detail .work-info {
    flex: 1;
    min-width: 250px;
}

.work-detail .work-info p {
    margin-bottom: 1rem;
}

.work-actions {
    margin-top: 1.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* 底部 */
.footer {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    backdrop-filter: blur(10px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .search-input-wrapper {
        flex-direction: column;
    }
    
    .search-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .option-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .work-detail {
        flex-direction: column;
    }
    
    .work-detail .work-cover {
        flex: none;
        width: 100%;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .search-box {
        padding: 1.5rem;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
}