/**
 * 光遇登录系统 - 样式表
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 480px;
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #1a1a2e;
    font-size: 28px;
    font-weight: 700;
}

.logo p {
    color: #666;
    margin-top: 8px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: border-color 0.3s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #4a90d9;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #4a90d9 0%, #357abd 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 144, 217, 0.4);
}

.btn-secondary {
    background: #f0f0f0;
    color: #333;
    margin-top: 10px;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
    color: white;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

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

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

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

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: #666;
}

a {
    color: #4a90d9;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.mt-3 {
    margin-top: 15px;
}

.mt-4 {
    margin-top: 20px;
}

.footer {
    text-align: center;
    margin-top: 30px;
    color: #999;
    font-size: 12px;
}

/* 管理后台样式 */
.admin-layout {
    min-height: 100vh;
    background: #f5f5f5;
    display: flex;
}

.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 250px;
    background: #1a1a2e;
    color: #fff;
    padding: 20px 0;
    overflow-y: auto;
}

.admin-sidebar .logo {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.admin-sidebar .logo h2 {
    font-size: 20px;
    color: #4a90d9;
}

.admin-sidebar .nav-item {
    display: block;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    transition: all 0.3s;
    text-decoration: none;
}

.admin-sidebar .nav-item:hover,
.admin-sidebar .nav-item.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
}

.admin-content {
    margin-left: 250px;
    padding: 20px;
    flex: 1;
}

.admin-header {
    background: #fff;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.admin-card h3 {
    margin-bottom: 15px;
    color: #333;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.stat-card .number {
    font-size: 36px;
    font-weight: 700;
    color: #4a90d9;
}

.stat-card .label {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.table tr:hover {
    background: #f8f9fa;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
    width: auto;
}

.btn-outline {
    background: transparent;
    border: 1px solid #ddd;
    color: #333;
}

.btn-outline:hover {
    border-color: #4a90d9;
    color: #4a90d9;
}

.btn-warning {
    background: #ffc107;
    color: #333;
}

.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-bar input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

.search-bar input:focus {
    border-color: #4a90d9;
    outline: none;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    color: #4a90d9;
    text-decoration: none;
}

.pagination span.current {
    background: #4a90d9;
    color: #fff;
    border-color: #4a90d9;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}