/* ============================================================
   管理后台公共样式
   四个后台页面原先各自内嵌一份几乎相同的 CSS，改一处要改四处，
   故统一抽到这里；页面独有的样式仍留在各自模板的 extra_css 块。
   ============================================================ */

:root {
    --c-primary: #667eea;
    --c-primary-dark: #5a6fd6;
    --c-danger: #e74c3c;
    --c-warn: #e67e22;
    --c-text: #333;
    --c-text-sub: #888;
    --c-border: #e4e7ee;
    --c-page-bg: #f4f5f7;
    --c-side-bg: #2b3044;
    --c-side-bg-dark: #242838;
    --sidebar-w: 220px;
    --shadow-card: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--c-page-bg);
    color: var(--c-text);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--c-primary); }

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

.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: var(--c-side-bg);
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.sidebar-brand {
    height: 60px;
    flex: 0 0 60px;
    background: var(--c-side-bg-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    color: #fff;
    text-decoration: none;
}
.sidebar-brand .logo { font-size: 20px; line-height: 1; }
.sidebar-brand .name { font-size: 15px; font-weight: 600; letter-spacing: 0.5px; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 0 20px; }

.nav-group-title {
    padding: 16px 20px 7px;
    font-size: 11px;
    color: #737a90;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: #c2c7d6;
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.nav-item.active {
    background: rgba(102, 126, 234, 0.2);
    color: #fff;
    border-left-color: var(--c-primary);
}
.nav-item .nav-icon { flex: 0 0 18px; text-align: center; font-size: 15px; }
.nav-item .nav-label { flex: 1; min-width: 0; }

.nav-badge {
    background: var(--c-warn);
    color: #fff;
    border-radius: 9px;
    padding: 1px 7px;
    font-size: 11px;
    font-weight: 600;
}

.sidebar-foot {
    flex: 0 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 14px 20px;
}
.sidebar-user { font-size: 13px; color: #c2c7d6; margin-bottom: 8px; }
.sidebar-user .who { color: #fff; font-weight: 600; }
.sidebar-logout {
    display: block;
    text-align: center;
    padding: 7px;
    font-size: 13px;
    color: #c2c7d6;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 5px;
    text-decoration: none;
}
.sidebar-logout:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }

.main {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: 60px;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 24px;
    flex-wrap: wrap;
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar .subtitle { font-size: 13px; color: var(--c-text-sub); margin-top: 2px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.hamburger {
    display: none;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 5px;
    width: 34px;
    height: 34px;
    font-size: 16px;
    cursor: pointer;
    color: #555;
}

.sidebar-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 40;
}

.content { padding: 24px; }

@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
    body.sidebar-open .sidebar { transform: none; }
    body.sidebar-open .sidebar-mask { display: block; }
    .main { margin-left: 0; }
    .hamburger { display: inline-flex; align-items: center; justify-content: center; }
    .content { padding: 16px; }
    .topbar { padding: 10px 16px; }
}

/* ==================== 按钮 ==================== */
.btn {
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    text-decoration: none;
    display: inline-block;
    line-height: 1.4;
    transition: all 0.2s;
    white-space: nowrap;
}
.btn-primary, .btn-solid { background-color: var(--c-primary); color: #fff; font-weight: 500; }
.btn-primary:hover, .btn-solid:hover { background-color: var(--c-primary-dark); }

.btn-secondary, .btn-plain, .btn-ghost {
    background-color: #fff;
    color: var(--c-primary);
    border-color: var(--c-primary);
}
.btn-secondary:hover, .btn-plain:hover, .btn-ghost:hover { background-color: #f1f3ff; }

.btn-default { background: #fff; color: #555; border-color: #d8dce5; }
.btn-default:hover { border-color: #b9bfcc; }

.btn-danger { background-color: var(--c-danger); color: #fff; }
.btn-danger:hover { background-color: #c0392b; }

.btn-small { padding: 6px 12px; font-size: 13px; }

.btn-mini {
    background: #fff;
    color: var(--c-danger);
    border: 1px solid #e0e0e0;
    padding: 6px 10px;
    font-size: 13px;
    line-height: 1;
    border-radius: 5px;
    cursor: pointer;
    font-family: inherit;
}
.btn-mini:hover { border-color: var(--c-danger); }

/* ==================== 提示条 ==================== */
.alert { padding: 13px 18px; margin-bottom: 20px; border-radius: 6px; font-size: 14px; }
.alert-success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger  { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background-color: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert-warning { background-color: #fff3cd; color: #856404; border: 1px solid #ffeaa7; }

/* ==================== 卡片 ==================== */
.card {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
}
.card h2 { font-size: 16px; margin-bottom: 18px; color: var(--c-text); }
.card-hint { font-size: 13px; color: var(--c-text-sub); margin-bottom: 18px; margin-top: -10px; }

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 18px 20px;
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s, box-shadow 0.2s;
}
a.stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16, 24, 40, 0.1); }
.stat-label { font-size: 13px; color: var(--c-text-sub); }
.stat-num {
    font-size: 30px;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.3;
    margin: 2px 0 4px;
}
.stat-num.alert-num { color: var(--c-warn); }
.stat-num .unit { font-size: 15px; font-weight: 500; margin-left: 3px; }
.stat-sub { font-size: 12px; color: #999; line-height: 1.6; }
.stat-sub .warn { color: var(--c-warn); }

/* 近 7 天线索迷你柱状图 */
.trend-card { display: flex; flex-direction: column; }
.trend-bars { display: flex; align-items: flex-end; gap: 6px; flex: 1; min-height: 62px; margin-top: 8px; }
.trend-col { flex: 1; display: flex; flex-direction: column; align-items: center; }
.trend-bar-wrap { width: 100%; height: 46px; display: flex; align-items: flex-end; }
/* 无数据的日子也留一条浅色底线，避免看起来像渲染失败 */
.trend-bar { width: 100%; min-height: 3px; background: #e8e8e8; border-radius: 3px 3px 0 0; }
.trend-bar.has { background: var(--c-primary); }
.trend-x { font-size: 10px; color: #bbb; margin-top: 4px; }

/* ==================== 表单与筛选 ==================== */
.filters {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-card);
}
.filters form { display: flex; gap: 15px; flex-wrap: wrap; align-items: flex-end; }
.filter-group { flex: 1; min-width: 190px; }
.filter-group label {
    display: block; margin-bottom: 6px; font-weight: 500; color: #555; font-size: 14px;
}
.filter-group input, .filter-group select {
    width: 100%; padding: 9px 10px; border: 1px solid #d8dce5; border-radius: 5px;
    font-size: 14px; font-family: inherit;
}
.filter-group input:focus, .filter-group select:focus { outline: none; border-color: var(--c-primary); }
.filter-actions { display: flex; gap: 10px; }

.form-grid { display: flex; flex-wrap: wrap; gap: 16px; }
.form-group { flex: 1 1 260px; }
.form-group.narrow { flex: 0 0 120px; }
.form-group.full { flex: 1 1 100%; }
.form-group > label {
    display: block; margin-bottom: 6px; font-weight: 500; color: #555; font-size: 14px;
}
.form-group .req, .form-group .required { color: var(--c-danger); }
.form-group input[type=text], .form-group input[type=password], .form-group textarea {
    width: 100%; padding: 10px; border: 1px solid #d8dce5; border-radius: 5px;
    font-size: 14px; font-family: inherit;
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--c-primary); }
.form-help { margin-top: 6px; font-size: 13px; color: var(--c-text-sub); }
.form-footer {
    display: flex; align-items: center; gap: 16px; margin-top: 18px;
    padding-top: 18px; border-top: 1px solid #eee; flex-wrap: wrap;
}
.checkbox { display: flex; align-items: center; gap: 6px; font-size: 14px; color: #555; }

/* ==================== 表格 ==================== */
.table-container {
    background: #fff;
    border-radius: 8px;
    overflow-x: auto;
    box-shadow: var(--shadow-card);
}
table { width: 100%; border-collapse: collapse; }
thead { background-color: #f8f9fb; }
th {
    padding: 13px 14px; text-align: left; font-weight: 600; color: #555;
    border-bottom: 1px solid var(--c-border); font-size: 13px; white-space: nowrap;
}
td { padding: 13px 14px; border-bottom: 1px solid #eef0f4; font-size: 14px; vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background-color: #fafbfd; }

.muted { color: #aaa; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form { display: inline; }

.tag {
    display: inline-block;
    padding: 3px 8px;
    background-color: #eef2ff;
    color: #4c5cc4;
    border-radius: 3px;
    font-size: 12px;
    margin-right: 5px;
    margin-bottom: 4px;
}

/* 状态药丸：点一下即切换的小按钮 */
.pill {
    border: 1px solid #ddd; background: #fff; border-radius: 12px; padding: 4px 10px;
    font-size: 12px; cursor: pointer; white-space: nowrap; transition: all 0.2s;
    font-family: inherit;
}
.pill:hover { border-color: var(--c-primary); }
.pill-on, .pill-done { background: #e6f7ec; color: #1e7e45; border-color: #b7e3c7; }
.pill-pin, .pill-todo { background: #fff4e0; color: #a35b00; border-color: #ffd89b; }
.pill-off { background: #f5f6f8; color: #888; }

/* ==================== 分页 ==================== */
.pagination {
    display: flex; justify-content: center; align-items: center; gap: 8px;
    margin-top: 20px; padding: 10px; flex-wrap: wrap;
}
.pagination a, .pagination span {
    padding: 7px 12px; border: 1px solid #dfe3ea; border-radius: 5px;
    text-decoration: none; color: var(--c-primary); background: #fff; font-size: 14px;
}
.pagination .active { background-color: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.pagination a:hover:not(.active) { background-color: #f1f3ff; }

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center; padding: 60px 20px; color: #999;
    background: #fff; border-radius: 8px; box-shadow: var(--shadow-card);
}
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: #666; }