/* 网站收录系统样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header h1 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.header p {
    text-align: center;
    font-size: 1.1em;
    opacity: 0.9;
}

/* 主要内容区域 */
.main {
    padding: 40px 0;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.8em;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

/* 警告框样式 */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-weight: bold;
}

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

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

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

/* 网站列表样式 */
.site-list {
    list-style: none;
}

.site-item {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.site-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.site-title {
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 8px;
}

.site-title a {
    color: #667eea;
    text-decoration: none;
}

.site-title a:hover {
    text-decoration: underline;
}

.site-url {
    color: #28a745;
    font-size: 0.9em;
    margin-bottom: 8px;
}

.site-description {
    color: #666;
    line-height: 1.5;
    margin-bottom: 10px;
}

.site-meta {
    font-size: 0.85em;
    color: #999;
    border-top: 1px solid #eee;
    padding-top: 10px;
}

.site-status {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.8em;
    font-weight: bold;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-approved {
    background-color: #d4edda;
    color: #155724;
}

.status-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

/* 分页样式 */
.pagination {
    text-align: center;
    margin: 30px 0;
}

.pagination a,
.pagination span {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 2px;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 3px;
    color: #667eea;
}

.pagination a:hover {
    background-color: #667eea;
    color: white;
}

.pagination .current {
    background-color: #667eea;
    color: white;
    border-color: #667eea;
}

/* 导航样式 */
.nav {
    background: white;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.nav a {
    color: #667eea;
    text-decoration: none;
    font-weight: bold;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav a:hover,
.nav a.active {
    background-color: #667eea;
    color: white;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .card {
        padding: 20px;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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