/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    color: #333;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background: #1a1a1a;
    color: #f0f0f0;
}

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

/* 头部样式 */
header {
    text-align: center;
    padding: 40px 0;
    color: #333;
    transition: color 0.3s;
}

body.dark-mode header {
    color: #f0f0f0;
}

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

.header-top h1 {
    font-size: 2.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

body.dark-mode .header-top h1 {
    text-shadow: 0 2px 4px rgba(255,255,255,0.1);
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 头部控制按钮 */
.header-controls {
    display: flex;
    gap: 10px;
}

.control-btn {
    padding: 8px 15px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border: none;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

body.dark-mode .control-btn {
    background: rgba(102, 126, 234, 0.2);
    color: #8aa2f0;
}

.control-btn:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

body.dark-mode .control-btn:hover {
    background: rgba(102, 126, 234, 0.3);
}

/* 输入区域样式 */
.input-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    transition: background 0.3s, box-shadow 0.3s;
}

body.dark-mode .input-section {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.input-group {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-container {
    position: relative;
    flex: 1;
}

#videoUrl {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 50px;
    font-size: 1rem;
    min-width: 300px;
    transition: all 0.3s ease;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

body.dark-mode #videoUrl {
    background: #2d2d2d;
    border-color: #444;
    color: #f0f0f0;
}

#videoUrl:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

body.dark-mode #videoUrl:focus {
    border-color: #8aa2f0;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

/* URL建议框 */
.url-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e1e5e9;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

body.dark-mode .url-suggestions {
    background: #2d2d2d;
    border-color: #444;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.url-suggestion-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
}

body.dark-mode .url-suggestion-item {
    border-bottom-color: #444;
}

.url-suggestion-item:hover {
    background: #f8f9fa;
}

body.dark-mode .url-suggestion-item:hover {
    background: #3a3a3a;
}

.url-suggestion-item:last-child {
    border-bottom: none;
}

#parseBtn {
    padding: 15px 30px;
    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;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

#parseBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

#parseBtn:active {
    transform: translateY(0);
}

.examples {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.examples span {
    font-size: 0.9rem;
}

.platform-tag {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

body.dark-mode .platform-tag {
    background: rgba(102, 126, 234, 0.25);
    color: #8aa2f0;
}

.platform-tag:hover {
    background: rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

body.dark-mode .platform-tag:hover {
    background: rgba(102, 126, 234, 0.4);
}

/* 结果区域样式 */
.result-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
    transition: background 0.3s, box-shadow 0.3s;
}

body.dark-mode .result-section {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

body.dark-mode .author-info {
    border-bottom-color: #444;
}

.author-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h3 {
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.author-info p {
    color: #666;
}

body.dark-mode .author-info p {
    color: #aaa;
}

.video-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.cover-image {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body.dark-mode .cover-image {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* 图集样式 */
.images-container {
    width: 100%;
}

.images-container h3 {
    margin-bottom: 15px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

body.dark-mode .images-container h3 {
    color: #f0f0f0;
}

.images-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.image-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    aspect-ratio: 1/1;
}

body.dark-mode .image-item {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

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

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

.image-item .download-link {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(102, 126, 234, 0.8);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-item:hover .download-link {
    opacity: 1;
}

.video-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

body.dark-mode .btn {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

body.dark-mode .btn:hover {
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

body.dark-mode .secondary {
    background: #2d2d2d;
    color: #8aa2f0;
    border-color: #8aa2f0;
}

.video-description {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

body.dark-mode .video-description {
    background: #2d2d2d;
    border-left-color: #8aa2f0;
}

.video-description p {
    line-height: 1.6;
    color: #555;
}

body.dark-mode .video-description p {
    color: #ccc;
}

/* 加载动画样式 */
.loading {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    transition: background 0.3s, box-shadow 0.3s;
}

body.dark-mode .loading {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(102, 126, 234, 0.2);
    border-top: 5px solid #667eea;
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

body.dark-mode .spinner {
    border-color: rgba(102, 126, 234, 0.3);
    border-top-color: #8aa2f0;
}

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

.loading p {
    color: #667eea;
    font-weight: 500;
}

body.dark-mode .loading p {
    color: #8aa2f0;
}

/* 错误信息样式 */
.error-message {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    text-align: center;
    transition: background 0.3s, box-shadow 0.3s;
}

body.dark-mode .error-message {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.error-content {
    color: #e74c3c;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

body.dark-mode .error-content {
    color: #ff6b6b;
}

.error-content i {
    font-size: 3rem;
}

.error-content p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 底部样式 */
footer {
    text-align: center;
    padding: 30px 0;
    color: rgba(0, 0, 0, 0.8);
    font-size: 0.9rem;
    transition: color 0.3s;
}

body.dark-mode footer {
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header-top {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-top h1 {
        font-size: 2rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #videoUrl {
        min-width: auto;
    }
    
    .input-section, .result-section, .loading, .error-message {
        padding: 20px;
    }
    
    .author-info {
        flex-direction: column;
        text-align: center;
    }
    
    .video-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .images-list {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
    
    #parseBtn {
        width: 100%;
    }
}