* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

h1 {
    color: #ff0000;
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

h2 {
    color: #333;
    margin-bottom: 20px;
}

h3 {
    color: #555;
    margin: 15px 0 10px;
    font-size: 1.3rem;
}

h4 {
    color: #666;
    margin: 10px 0 5px;
    font-size: 1.1rem;
}

.api-key-container, .search-section, .results-section, .troubleshooting {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.api-input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.save-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.save-btn:hover {
    background-color: #45a049;
}

.test-btn {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-left: 10px;
}

.test-btn:hover {
    background-color: #0b7dda;
}

.api-info {
    margin-top: 10px;
    color: #666;
    font-size: 0.9rem;
}

.api-info a {
    color: #1a73e8;
}

.search-container {
    margin: 20px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.search-hint {
    width: 100%;
    color: #666;
    font-size: 13px;
    margin-top: 5px;
    padding-left: 2px;
}

.network-settings {
    margin: 15px 0;
    display: flex;
    align-items: center;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-text {
    margin-left: 5px;
    font-size: 0.9rem;
    color: #555;
}

.troubleshooting-content {
    margin-top: 15px;
}

.trouble-item {
    background-color: #f9f9f9;
    border-left: 3px solid #2196F3;
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 0 4px 4px 0;
}

.trouble-item p {
    margin: 5px 0;
    color: #666;
}

.trouble-item ul {
    margin: 8px 0;
    padding-left: 20px;
}

.trouble-item li {
    margin-bottom: 5px;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .search-container, .input-group {
        flex-direction: column;
    }
}

input, select, button {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

input {
    flex: 1;
    min-width: 200px;
}

button {
    background-color: #e62117;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #c81c0f;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #f8f8f8;
    font-weight: bold;
}

tr:hover {
    background-color: #f5f5f5;
}

.error {
    color: #e62117;
    background-color: #ffe6e6;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
    border-left: 4px solid #e62117;
}

.success {
    color: #4CAF50;
    background-color: #e6ffe6;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
    border-left: 4px solid #4CAF50;
}

#loading {
    text-align: center;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #e62117;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

a {
    color: #e62117;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.no-results {
    text-align: center;
    padding: 30px;
    color: #666;
    font-size: 1.1rem;
}

/* API密钥设置部分 */
.section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.api-key-input {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #45a049;
}

/* 消息样式 */
.message {
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    display: none;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.info-message {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* 搜索控件 */
.search-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}

.video-count-select {
    min-width: 100px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background-color: white;
    cursor: pointer;
}

.video-count-select:hover {
    border-color: #999;
}

.video-count-select:focus {
    outline: none;
    border-color: #666;
}

select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

/* 加载动画 */
.loading {
    display: none;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

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

/* 视频结果网格 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.video-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.thumbnail-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 宽高比 */
    background-color: #f0f0f0;
}

.thumbnail-container a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-content {
    padding: 12px;
}

.video-card h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
    height: 36px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 8px;
}

.video-card a {
    color: #1a73e8;
    text-decoration: none;
}

.video-card a:hover {
    text-decoration: underline;
}

.video-info {
    font-size: 12px;
    color: #666;
}

.video-info p {
    margin: 4px 0;
}

.video-info .stats {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #eee;
}

.video-info .stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-info .stats i {
    font-size: 14px;
    color: #666;
}

/* API说明部分 */
.api-instructions {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
    margin-top: 20px;
}

.api-instructions ol {
    padding-left: 20px;
}

.api-instructions li {
    margin-bottom: 10px;
}

.api-instructions a {
    color: #1a73e8;
    text-decoration: none;
}

.api-instructions a:hover {
    text-decoration: underline;
}

.search-btn {
    background-color: #e62117;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.search-btn:hover {
    background-color: #c81c0f;
}

/* 添加Font Awesome图标支持 */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css');

/* 排序按钮样式 */
.sort-options {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.sort-btn {
    background-color: #fff;
    color: #666;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.sort-btn:hover {
    background-color: #e62117;
    color: white;
    border-color: #e62117;
}

.sort-btn.active {
    background-color: #e62117;
    color: white;
    border-color: #e62117;
}

.sort-btn i {
    font-size: 14px;
}

/* 分页样式 */
.pagination-container {
    margin: 30px 0;
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    gap: 10px;
    align-items: center;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.page-btn {
    background: #fff;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.page-btn:hover:not([disabled]) {
    background-color: #e62117;
    color: white;
    border-color: #e62117;
}

.page-btn.active {
    background-color: #e62117;
    color: white;
    border-color: #e62117;
}

.page-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-btn i {
    font-size: 12px;
}