:root {
  --bg: #f3f0e8;
  --panel: #fbf9f4;
  --ink: #181814;
  --muted: #6d6a60;
  --line: #d9d4c6;
  --accent: #d8431f;
  --ok: #1f7a46;
  --warn: #a8700c;
  --fail: #c0291b;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0e0b;
    --panel: #151612;
    --ink: #ebe7da;
    --muted: #8c8878;
    --line: #2a2b24;
    --accent: #ff7a3d;
    --ok: #5fd08a;
    --warn: #e6b04a;
    --fail: #ff6b5a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.5; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }

.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.rail { border-right: 1px solid var(--line); padding: 20px 16px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.mark { font-family: var(--mono); font-weight: 700; letter-spacing: 0.22em; font-size: 13px; margin: 0 0 20px; }
.mark::after { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--accent); margin-left: 8px; }
.rail h3 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 18px 0 6px; font-weight: 500; }
.rail a { display: block; padding: 5px 8px; margin: 0 -8px; text-decoration: none; font-family: var(--mono); font-size: 13px; border-left: 2px solid transparent; }
.rail a:hover { background: var(--panel); }
.rail a[aria-current="page"] { border-left-color: var(--accent); background: var(--panel); }
.rail button.link { background: none; border: 0; padding: 5px 0; cursor: pointer; color: var(--muted); font-family: var(--mono); font-size: 12px; margin-top: 24px; }

main { padding: 28px 36px 80px; max-width: 1080px; }
.topline { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; flex-wrap: wrap; }
h1 { font-family: var(--mono); font-size: 22px; margin: 0; letter-spacing: -0.01em; }
h2 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 30px 0 10px; font-weight: 500; }
.pill { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; padding: 2px 8px; border: 1px solid currentColor; }
.pill.ok, .ok { color: var(--ok); }
.pill.warn, .warn { color: var(--warn); }
.pill.fail, .fail { color: var(--fail); }
.pill.muted, .muted { color: var(--muted); }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 22px; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; text-decoration: none; font-family: var(--mono); font-size: 13px; border-bottom: 2px solid transparent; margin-bottom: -1px; color: var(--muted); }
.tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 13px; }
th { text-align: left; font-weight: 500; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding: 6px 12px 6px 0; border-bottom: 1px solid var(--line); }
td { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); vertical-align: top; word-break: break-word; }

.panel { background: var(--panel); border: 1px solid var(--line); padding: 16px 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.stat b { display: block; font-family: var(--mono); font-size: 20px; margin-top: 4px; }
.stat span { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

form.row { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
input, select { background: var(--panel); border: 1px solid var(--line); padding: 7px 10px; min-width: 0; font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button.btn { background: var(--ink); color: var(--bg); border: 0; padding: 7px 14px; cursor: pointer; font-family: var(--mono); font-size: 13px; }
button.btn:hover { background: var(--accent); }
button.btn.ghost { background: none; color: var(--ink); border: 1px solid var(--line); }
button.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
button.btn.danger:hover { background: var(--fail); border-color: var(--fail); color: var(--bg); }

pre.logs { background: var(--panel); border: 1px solid var(--line); padding: 14px 16px; overflow: auto; max-height: 62vh; font-family: var(--mono); font-size: 12px; line-height: 1.5; margin: 12px 0 0; white-space: pre-wrap; }
code, .cmd { font-family: var(--mono); font-size: 13px; background: var(--panel); border: 1px solid var(--line); padding: 2px 6px; }
.cmd { display: block; padding: 10px 12px; margin: 8px 0; overflow-x: auto; white-space: pre; }
.note { color: var(--muted); font-size: 13px; }
.err { color: var(--fail); font-family: var(--mono); font-size: 13px; margin: 8px 0; }

.login { max-width: 420px; margin: 18vh auto 0; padding: 0 20px; }
.login h1 { margin-bottom: 6px; }
.login p { color: var(--muted); margin: 0 0 18px; }
.login input { width: 100%; margin-bottom: 10px; }

@media (max-width: 760px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  main { padding: 20px 16px 60px; }
}
@media (prefers-reduced-motion: no-preference) {
  .rail a, button.btn { transition: background-color 0.12s, border-color 0.12s, color 0.12s; }
}