/* ========== 主站后台样式 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: #f0f2f5;
    color: #333;
    font-size: 14px;
}
a { text-decoration: none; color: inherit; }

/* ========== 登录页 ========== */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-box h1 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 8px;
    color: #333;
}
.login-box .subtitle {
    text-align: center;
    color: #999;
    margin-bottom: 30px;
    font-size: 13px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #555;
    font-weight: 500;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    text-align: center;
}
.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    width: 100%;
    padding: 12px;
    font-size: 15px;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-success { background: #52c41a; color: #fff; }
.btn-success:hover { background: #73d13d; }
.btn-warning { background: #faad14; color: #fff; }
.btn-warning:hover { background: #ffc53d; }
.btn-danger { background: #ff4d4f; color: #fff; }
.btn-danger:hover { background: #ff7875; }
.btn-default { background: #fff; color: #555; border: 1px solid #ddd; }
.btn-default:hover { border-color: #667eea; color: #667eea; }
.btn-info { background: #1890ff; color: #fff; }
.btn-info:hover { background: #40a9ff; }

/* ========== 后台布局 ========== */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 220px;
    background: #001529;
    color: #fff;
    flex-shrink: 0;
}
.sidebar .logo {
    padding: 20px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #1f3a5c;
    background: #002140;
}
.sidebar .menu { padding: 12px 0; }
.sidebar .menu a {
    display: block;
    padding: 12px 24px;
    color: #a6b2c4;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}
.sidebar .menu a:hover { background: #1f3a5c; color: #fff; }
.sidebar .menu a.active {
    background: #667eea;
    color: #fff;
    border-left-color: #fff;
}
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.topbar {
    background: #fff;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.topbar .page-title { font-size: 16px; font-weight: 600; }
.topbar .user-info { display: flex; align-items: center; gap: 16px; }
.topbar .user-info a { color: #666; }
.topbar .user-info a:hover { color: #667eea; }
.content { padding: 24px; flex: 1; }

/* ========== 卡片 ========== */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

/* ========== 表格 ========== */
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}
.table th {
    background: #fafafa;
    font-weight: 600;
    color: #555;
    white-space: nowrap;
}
.table tr:hover { background: #f9f9f9; }
.table .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ========== 状态标签 ========== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}
.badge-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.badge-danger { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.badge-warning { background: #fffbe6; color: #faad14; border: 1px solid #ffe58f; }
.badge-info { background: #e6f7ff; color: #1890ff; border: 1px solid #91d5ff; }

/* ========== 统计卡片 ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}
.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}
.stat-card .stat-label { color: #999; font-size: 13px; }

/* ========== 表单布局 ========== */
.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.form-row .form-group { flex: 1; }
.form-actions {
    padding-top: 20px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    gap: 12px;
}

/* ========== 弹窗 ========== */
.modal-mask {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-mask.show { display: flex; }
.modal {
    background: #fff;
    border-radius: 8px;
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { font-size: 16px; }
.modal-close { cursor: pointer; font-size: 20px; color: #999; }
.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #f0f0f0;
    text-align: right;
}
.modal-footer .btn { margin-left: 8px; }

/* ========== 提示消息 ========== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}
.alert-success { background: #f6ffed; border: 1px solid #b7eb8f; color: #52c41a; }
.alert-error { background: #fff2f0; border: 1px solid #ffccc7; color: #ff4d4f; }
.alert-info { background: #e6f7ff; border: 1px solid #91d5ff; color: #1890ff; }

/* ========== 日志查看 ========== */
.log-viewer {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 16px;
    border-radius: 6px;
    font-family: Consolas, Monaco, monospace;
    font-size: 12px;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.log-line { margin-bottom: 4px; padding-bottom: 4px; border-bottom: 1px solid #333; }
.log-time { color: #569cd6; }
.log-action { color: #4ec9b0; }
.log-ip { color: #ce9178; }

/* ========== 验证码输入 ========== */
.sms-code-row { display: flex; gap: 10px; }
.sms-code-row input { flex: 1; }
.sms-code-row .btn { flex-shrink: 0; white-space: nowrap; }
.sms-code-row .btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* 分页 */
.pagination { display: flex; gap: 4px; margin-top: 20px; justify-content: center; }
.pagination a, .pagination span {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #666;
}
.pagination a:hover { border-color: #667eea; color: #667eea; }
.pagination .current { background: #667eea; color: #fff; border-color: #667eea; }