:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #f9fafb;
  --fg: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --accent: #4338ca;
  --accent-fg: #ffffff;
  --accent-soft: #eef2ff;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --bad: #b91c1c;
  --bad-soft: #fee2e2;
  --idle: #6b7280;
  --idle-soft: #f3f4f6;
  --code-bg: #0f172a;
  --code-fg: #e2e8f0;
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.05), 0 1px 3px rgba(17, 24, 39, 0.06);
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0f17;
    --panel: #121826;
    --panel-2: #0f1522;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --line: #1f2937;
    --line-strong: #374151;
    --accent: #818cf8;
    --accent-fg: #0b0f17;
    --accent-soft: #1e1b4b;
    --ok: #4ade80;
    --ok-soft: #052e16;
    --warn: #fbbf24;
    --warn-soft: #3b2a05;
    --bad: #f87171;
    --bad-soft: #3f0d0d;
    --idle: #9ca3af;
    --idle-soft: #1f2937;
    --code-bg: #060912;
    --shadow: none;
  }
}

:root[data-theme="dark"] {
  --bg: #0b0f17;
  --panel: #121826;
  --panel-2: #0f1522;
  --fg: #e5e7eb;
  --muted: #9ca3af;
  --line: #1f2937;
  --line-strong: #374151;
  --accent: #818cf8;
  --accent-fg: #0b0f17;
  --accent-soft: #1e1b4b;
  --ok: #4ade80;
  --ok-soft: #052e16;
  --warn: #fbbf24;
  --warn-soft: #3b2a05;
  --bad: #f87171;
  --bad-soft: #3f0d0d;
  --idle: #9ca3af;
  --idle-soft: #1f2937;
  --code-bg: #060912;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.5 var(--font); background: var(--bg); color: var(--fg); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 18px 0 8px; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.boot { padding: 40px; color: var(--muted); }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; padding: 18px 18px 14px; }
.brand img { width: 30px; height: 30px; }
.brand b { display: block; font-size: 14.5px; }
.brand span { display: block; font-size: 12px; color: var(--muted); word-break: break-all; }
.nav { display: flex; flex-direction: column; gap: 2px; padding: 6px 10px; flex: 1; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--fg); text-decoration: none; }
.nav a:hover { background: var(--panel-2); }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav svg { width: 17px; height: 17px; flex: none; }
.side-foot { padding: 12px 14px 16px; border-top: 1px solid var(--line); display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.topbar { display: none; }
.scrim { display: none; }
.main { min-width: 0; padding: 24px 28px 48px; }
.page { max-width: 1200px; margin: 0 auto; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 30% 0 0; max-width: 300px; z-index: 30; transform: translateX(-102%); transition: transform 0.18s ease; box-shadow: 0 0 40px rgba(0, 0, 0, 0.25); }
  .shell.nav-open .side { transform: none; }
  .shell.nav-open .scrim { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.35); z-index: 20; }
  .topbar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
  .topbar b { font-size: 14.5px; }
  .main { padding: 16px 16px 40px; }
}

/* ---------- elements ---------- */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.stack > * + * { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.grid.kpi { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.kpi .card { padding: 14px 16px; }
.kpi .label { color: var(--muted); font-size: 12.5px; }
.kpi .value { font-size: 24px; font-weight: 650; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: 12.5px; margin-top: 2px; }

button, .btn { font: inherit; display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--fg); cursor: pointer; text-decoration: none; white-space: nowrap; }
button:hover { background: var(--panel-2); }
button:disabled { opacity: 0.55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 600; }
button.primary:hover { filter: brightness(1.06); }
button.danger { color: var(--bad); }
button.ghost { border-color: transparent; background: transparent; }
button.sm { padding: 4px 9px; font-size: 12.5px; }
button.icon { padding: 6px; }
button svg { width: 16px; height: 16px; }

input, select, textarea { font: inherit; color: var(--fg); background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 7px 10px; width: 100%; }
textarea { resize: vertical; min-height: 80px; line-height: 1.45; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: block; }
label.field > span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 4px; font-weight: 500; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.row > * { flex: 1 1 180px; }
.row > .shrink { flex: 0 0 auto; }
.check { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.check input { width: auto; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; font-weight: 600; color: var(--muted); background: var(--panel-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.nowrap { white-space: nowrap; }
td .actions { display: flex; gap: 6px; flex-wrap: nowrap; }
td > b { white-space: nowrap; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.ellipsis { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }
.badge.bad { color: var(--bad); background: var(--bad-soft); }
.badge.idle { color: var(--idle); background: var(--idle-soft); }
.badge.plain::before { display: none; }

.bar { height: 6px; border-radius: 4px; background: var(--idle-soft); overflow: hidden; min-width: 90px; }
.bar > i { display: block; height: 100%; background: var(--ok); border-radius: 4px; }
.bar.warn > i { background: var(--warn); }
.bar.bad > i { background: var(--bad); }

.alert { border-radius: 8px; padding: 10px 12px; border: 1px solid; font-size: 13.5px; }
.alert.bad { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.alert.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.alert.ok { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.alert.info { color: var(--fg); background: var(--accent-soft); border-color: transparent; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 10px; color: var(--muted); }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.steps { margin: 0; padding-left: 20px; }
.steps li { margin-bottom: 10px; }
.steps li::marker { color: var(--accent); font-weight: 700; }

pre.code { background: var(--code-bg); color: var(--code-fg); border-radius: 8px; padding: 12px 14px; overflow-x: auto; margin: 0; line-height: 1.5; white-space: pre; }
.code-box { position: relative; }
.code-box button.copy { position: absolute; top: 8px; right: 8px; background: rgba(255, 255, 255, 0.08); color: var(--code-fg); border-color: rgba(255, 255, 255, 0.15); }
.secret { font-family: var(--mono); font-size: 13px; background: var(--panel-2); border: 1px dashed var(--line-strong); border-radius: 8px; padding: 10px 12px; word-break: break-all; user-select: all; }

dialog { border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--panel); color: var(--fg); width: min(640px, calc(100vw - 32px)); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); }
dialog::backdrop { background: rgba(15, 23, 42, 0.45); }
dialog .dlg-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
dialog .dlg-head h2 { margin: 0; }
dialog .dlg-body { padding: 16px 18px; max-height: calc(100vh - 180px); overflow: auto; }
dialog .dlg-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--line); }

#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--fg); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2); font-size: 13.5px; }
.toast.bad { background: var(--bad); color: #fff; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: min(380px, 100%); padding: 26px; }
.login .brand { padding: 0 0 18px; }

.chart { display: block; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .ok { fill: var(--accent); }
.chart .err { fill: var(--bad); }
.chart text { fill: var(--muted); font-size: 10px; font-family: var(--font); }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }

.drop { border: 1.5px dashed var(--line-strong); border-radius: 10px; padding: 14px; text-align: center; color: var(--muted); cursor: pointer; background: var(--panel-2); }
.drop.over { border-color: var(--accent); color: var(--accent); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.thumb { position: relative; width: 84px; height: 84px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); background: var(--panel-2); display: grid; place-items: center; font-size: 11px; color: var(--muted); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb button { position: absolute; top: 3px; right: 3px; padding: 0 6px; font-size: 12px; line-height: 18px; border-radius: 6px; }
.answer { white-space: pre-wrap; word-wrap: break-word; line-height: 1.6; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); font-size: 12.5px; }
.meta b { color: var(--fg); font-weight: 600; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 1000px) { .split { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.list { margin: 0; padding: 0; list-style: none; }
.list li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }
.docs h3 { margin-top: 22px; }
.docs table td code { white-space: nowrap; }