/* ============================================================
   家政后台管理系统 统一样式
   ============================================================ */

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --sidebar-bg: #1f2937;
    --sidebar-hover: #374151;
    --bg: #f3f4f6;
    --border: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --info: #0891b2;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    font-size: 14px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

/* ============ 整体布局 ============ */
.layout { display: flex; min-height: 100vh; }

/* ============ 侧边栏 ============ */
.sidebar {
    width: 220px;
    background: var(--sidebar-bg);
    color: #e5e7eb;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}
.brand {
    padding: 18px 20px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid #374151;
}
.nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.nav-item {
    display: block;
    padding: 11px 20px;
    color: #cbd5e1;
    transition: background .15s;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-icon { margin-right: 8px; }
.sidebar-foot { border-top: 1px solid #374151; }

/* 顶部直链（仪表盘）与分组间距 */
.nav-item-top { margin-bottom: 4px; }

/* ============ 侧边栏分组（折叠） ============ */
.nav-group { border-top: 1px solid rgba(55, 65, 81, .45); }
.nav-group:first-of-type { border-top: none; }
.nav-group-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 20px;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: background .15s, color .15s;
}
.nav-group-title::-webkit-details-marker { display: none; }
.nav-group-title:hover { background: var(--sidebar-hover); color: #fff; }
.nav-caret { font-size: 11px; transition: transform .2s; opacity: .8; }
.nav-group[open] .nav-caret { transform: rotate(180deg); }
.nav-group-items { padding-bottom: 4px; }
.nav-sub { padding-left: 38px; font-size: 13.5px; }
.nav-sub.active { box-shadow: inset 3px 0 0 rgba(255,255,255,.85); }

/* ============ 主区域 ============ */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
}
.page-title { font-size: 20px; font-weight: 600; }
.greet { color: var(--muted); }
.content { padding: 24px; flex: 1; }
.footer {
    padding: 14px 24px;
    color: var(--muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
    background: #fff;
}

/* ============ 提示条 ============ */
.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}
.alert-success { background: #ecfdf5; color: var(--success); border-color: #bbf7d0; }
.alert-danger  { background: #fef2f2; color: var(--danger);  border-color: #fecaca; }
.alert-warning { background: #fffbeb; color: var(--warning); border-color: #fde68a; }
.alert-info    { background: #ecfeff; color: var(--info);    border-color: #cffafe; }

/* ============ 统计卡片 ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px 20px;
}
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 28px; font-weight: 700; margin: 6px 0; color: var(--primary); }
.stat-note  { color: var(--muted); font-size: 12px; }

/* ============ 卡片 ============ */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ============ 表格 ============ */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table thead th { background: #f9fafb; color: var(--muted); font-weight: 600; white-space: nowrap; }
.table tbody tr:hover { background: #f9fafb; }
.table small { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 30px 0; }

/* ============ 徽章 / 状态 ============ */
.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    white-space: nowrap;
}
.badge.success { background: #dcfce7; color: var(--success); }
.badge.danger  { background: #fee2e2; color: var(--danger); }
.badge.warning { background: #fef3c7; color: var(--warning); }
.badge.info    { background: #cffafe; color: var(--info); }
.badge.muted   { background: #e5e7eb; color: var(--muted); }
.badge.default { background: #e0e7ff; color: #4338ca; }
.stars { color: var(--warning); }
.muted { color: var(--muted); }

/* ============ 工具栏 / 搜索 ============ */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.search-form { display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar-left { color: var(--muted); }

/* ============ 表单 ============ */
.form-card { max-width: 760px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea,
.search-form input,
.search-form select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}
.search-form input, .search-form select { width: auto; }
.form-group input:focus, .form-group select:focus,
.form-group textarea:focus, .search-form input:focus, .search-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37,99,235,.15);
}
.form-group textarea { resize: vertical; }
.form-row { display: flex; gap: 14px; }
.form-row .form-group { flex: 1; }
.form-actions { margin-top: 8px; display: flex; gap: 10px; }
.req { color: var(--danger); }
.hint { color: var(--muted); font-size: 12px; }
.inline-form { display: inline; }

/* ============ 按钮 ============ */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    background: var(--primary);
    color: #fff;
    transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn-plain { background: #fff; color: var(--text); border-color: #d1d5db; }
.btn-plain:hover { background: #f9fafb; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* ============ 分页 ============ */
.pagination {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 16px;
    flex-wrap: wrap;
}
.pagination a {
    padding: 5px 11px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #fff;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { font-weight: 600; color: var(--primary); }
.pagination .disabled { color: #d1d5db; }

/* ============ 登录页 ============ */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1d4ed8, #0891b2);
}
.login-card {
    width: 360px;
    background: #fff;
    border-radius: 10px;
    padding: 36px 32px;
    box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.login-brand { text-align: center; font-size: 22px; font-weight: 700; color: var(--primary); }
.login-sub { text-align: center; color: var(--muted); margin: 6px 0 22px; }
.login-hint { text-align: center; color: var(--muted); font-size: 12px; margin-top: 16px; }

/* 广告位缩略图 */
.ad-thumb { width: 110px; height: 44px; object-fit: cover; border-radius: 6px; display: block; }
.form-hint { color: var(--muted); font-size: 12px; }