:root {
    --bg: #0f1117;
    --panel: #181a22;
    --panel2: #20232d;
    --border: #2a2e3c;
    --text: #e6e7ee;
    --muted: #888aa0;
    --primary: #2563eb;
    --primary-h: #1d4ed8;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --info: #06b6d4;
    --shadow: 0 4px 12px rgba(0,0,0,.35);
}
[data-theme="light"] {
    --bg: #f5f6fa;
    --panel: #fff;
    --panel2: #f0f2f8;
    --border: #dde0e6;
    --text: #1a1d2c;
    --muted: #6b7080;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Tahoma, 'Noto Sans', system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-h); text-decoration: underline; }
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.layout.collapsed { grid-template-columns: 60px 1fr; }
.sidebar { background: var(--panel); border-left: 1px solid var(--border); padding: 12px 0; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { padding: 14px 18px; font-weight: bold; font-size: 17px; border-bottom: 1px solid var(--border); }
.brand a { color: var(--text); text-decoration: none; }
nav { flex: 1; overflow-y: auto; padding: 10px 0; }
nav a { display: flex; align-items: center; gap: 10px; padding: 10px 18px; color: var(--text); font-size: 14px; }
nav a:hover { background: var(--panel2); text-decoration: none; }
nav a.active { background: var(--primary); color: white; }
.collapsed nav a .lb, .collapsed .brand a { display: none; }
.sidebar-foot { padding: 10px 12px; border-top: 1px solid var(--border); }
.main { padding: 24px 30px; overflow-y: auto; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border); gap: 14px; flex-wrap: wrap; }
.page-header h1 { font-size: 22px; font-weight: 600; }
.header-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card-header { padding: 10px 16px; border-bottom: 1px solid var(--border); font-weight: 600; }
.card-body { padding: 16px; }
.card-footer { padding: 10px 16px; border-top: 1px solid var(--border); text-align: center; }

.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 16px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px; display: flex; gap: 12px; align-items: center; }
.stat-card .stat-icon { width: 44px; height: 44px; border-radius: 8px; background: rgba(37,99,235,.18); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.stat-card .stat-icon.r { background: rgba(220,38,38,.18); color: var(--danger); }
.stat-card .stat-icon.g { background: rgba(22,163,74,.18); color: var(--success); }
.stat-card .stat-icon.o { background: rgba(245,158,11,.18); color: var(--warning); }
.stat-info h3 { font-size: 18px; font-weight: 700; }
.stat-info p { color: var(--muted); font-size: 12px; margin-top: 2px; }

.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); cursor: pointer; font-size: 13px; transition: all .15s; }
.btn:hover { background: var(--border); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-h); }
.btn-success, .btn-ok { background: var(--success); border-color: var(--success); color: white; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: white; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn-info { background: var(--info); border-color: var(--info); color: white; }
.btn-secondary { background: var(--panel2); color: var(--text); }
.btn-outline { background: transparent; }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; padding: 0; border-radius: 5px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); cursor: pointer; }
.btn-icon:hover { background: var(--border); text-decoration: none; }
.btn-edit { color: var(--warning); border-color: rgba(245,158,11,.4); }
.btn-delete { color: var(--danger); border-color: rgba(220,38,38,.4); }
.btn-view { color: var(--info); border-color: rgba(6,182,212,.4); }
.btn-ok { color: var(--success); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.fg { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.fg label { font-size: 12px; color: var(--muted); }
.fg input, .fg select, .fg textarea { padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit; }
.fg input:focus, .fg select:focus, .fg textarea:focus { outline: 2px solid var(--primary); }
.req { color: var(--danger); }
.form-actions { display: flex; gap: 10px; margin-top: 14px; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th { background: var(--panel2); font-weight: 600; font-size: 13px; color: var(--muted); }
.data-table tr:hover { background: var(--panel2); }
.num, .num * { font-family: 'Cascadia Code', 'Fira Code', monospace; font-feature-settings: 'tnum'; }
.actions { display: flex; gap: 6px; }

.filter-card { display: flex; flex-direction: column; }
.filter-card .card-body { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filter-card .fg { margin-bottom: 0; }

.status-badge { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 11px; font-weight: 600; }
.st-ok { background: rgba(22,163,74,.18); color: var(--success); }
.st-off { background: rgba(220,38,38,.18); color: var(--danger); }
.st-info { background: rgba(6,182,212,.18); color: var(--info); }
.st-warn { background: rgba(245,158,11,.18); color: var(--warning); }
.badge { padding: 3px 10px; border-radius: 99px; font-size: 11px; font-weight: 600; background: rgba(37,99,235,.18); color: var(--primary); }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; border: 1px solid var(--border); }
.alert-success { background: rgba(22,163,74,.12); border-color: var(--success); color: var(--success); }
.alert-error, .alert-danger { background: rgba(220,38,38,.12); border-color: var(--danger); color: var(--danger); }
.alert-warning { background: rgba(245,158,11,.12); border-color: var(--warning); color: var(--warning); }
.alert-info { background: rgba(6,182,212,.12); border-color: var(--info); color: var(--info); }
.flash-container { margin-bottom: 14px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } .layout { grid-template-columns: 1fr; } .sidebar { display: none; } }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.kv > div { display: flex; flex-direction: column; gap: 3px; }
.kv > div > span { font-size: 11px; color: var(--muted); }
.kv > div > b { font-size: 14px; }
.muted { color: var(--muted); }
.hint { font-size: 11px; color: var(--muted); }
code { background: var(--panel2); padding: 1px 6px; border-radius: 3px; font-family: monospace; font-size: 12px; }
.pt-box { padding: 10px; border: 1px dashed var(--border); border-radius: 6px; margin-bottom: 10px; }
.check { display: flex; gap: 6px; align-items: center; }
.login-card { max-width: 360px; margin: 80px auto; padding: 24px; background: var(--panel); border-radius: 10px; box-shadow: var(--shadow); }
.login-card h1 { text-align: center; margin-bottom: 18px; font-size: 22px; }