:root {
  --bg: #f4f6fb; --card: #fff; --text: #1d2433; --muted: #6b7385;
  --primary: #5b3fd6; --danger: #c92a2a; --ok: #2b8a3e; --border: #dfe3ee;
  font-family: Tahoma, "Vazirmatn", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.7; }
h1 { font-size: 1.2rem; margin: 0; }
h2 { font-size: 1.3rem; margin: .2rem 0 1rem; }
h3 { margin-top: 0; }
code, pre { font-family: ui-monospace, Consolas, monospace; direction: ltr; text-align: left; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 24px; background: #201a40; color: #fff; }
main, .narrow { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
.narrow { margin-top: 60px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-top: 16px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.tab { border: 1px solid var(--border); background: #fff; padding: 8px 14px; border-radius: 999px; cursor: pointer; font: inherit; }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.btn { font: inherit; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: #fff; cursor: pointer; margin-left: 6px; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.ghost { background: transparent; color: inherit; border-color: rgba(255,255,255,.4); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
input, textarea, select { font: inherit; width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-top: 4px; background: #fff; }
textarea { resize: vertical; }
label { display: block; margin: 12px 0; font-weight: 600; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.muted { color: var(--muted); font-weight: 400; font-size: .9rem; }
.error { color: var(--danger); font-weight: 600; }
.hidden { display: none !important; }
.list { display: grid; gap: 10px; margin: 12px 0; }
.item { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; background: #eee; }
.badge.on { background: #d3f9d8; color: var(--ok); }
.badge.off { background: #ffe3e3; color: var(--danger); }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; text-align: center; }
.stat span { display: block; font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat small { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: right; font-size: .92rem; }
th { background: #f8f9fc; }
.code { background: #0f1220; color: #d7e3ff; padding: 16px; border-radius: 12px; white-space: pre-wrap; overflow-x: auto; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #201a40; color: #fff; padding: 10px 18px; border-radius: 10px; z-index: 10; }
.toast.err { background: var(--danger); }