:root {
  --bg: #f6f7f9;
  --fg: #1d2330;
  --muted: #5d6677;
  --card: #ffffff;
  --border: #dde1e8;
  --accent: #2f6fde;
  --ok: #1e8a4c;
  --warn: #b7791f;
  --bad: #c53030;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d;
    --fg: #e6e9ef;
    --muted: #9aa3b2;
    --card: #1d2129;
    --border: #2d333e;
    --accent: #6c9cff;
    --ok: #48bb78;
    --warn: #ecc94b;
    --bad: #fc8181;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--card); }
header .brand { font-weight: 700; color: var(--fg); text-decoration: none; }
header nav a { margin-left: 16px; color: var(--accent); text-decoration: none; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.6rem; margin: 8px 0 16px; }
h2 { font-size: 1.1rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 16px 0 4px; }
footer { max-width: 960px; margin: 32px auto; padding: 0 16px; color: var(--muted); font-size: .85rem; }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.banner { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid var(--border); background: var(--card); }
.banner.ok { border-color: var(--ok); }
.banner.bad { border-color: var(--bad); }
.bot { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; border-bottom: 1px solid var(--border); }
.bot:last-child { border-bottom: 0; }
.lamp { width: 10px; height: 10px; border-radius: 50%; margin-top: 7px; flex: none; background: var(--muted); }
.lamp.Running { background: var(--ok); }
.lamp.Idle { background: var(--warn); }
.lamp.Connecting { background: var(--accent); }
.bot small { display: block; color: var(--muted); overflow-wrap: anywhere; }
form label { display: block; margin-bottom: 14px; font-weight: 600; }
form label.inline { font-weight: 400; }
input[type=text], textarea, select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--border); border-radius: 6px; }
textarea { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .9rem; }
button { font: inherit; padding: 9px 18px; border-radius: 6px; border: 0; background: var(--accent); color: #fff; cursor: pointer; }
button.secondary { background: transparent; color: var(--bad); border: 1px solid var(--bad); }
button:disabled { opacity: .6; cursor: default; }
.error { color: var(--bad); min-height: 1.5em; }
.ticket-head { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; font-weight: 600; margin-bottom: 12px; }
.pill { padding: 2px 10px; border-radius: 99px; border: 1px solid var(--border); font-size: .85rem; }
.pill.open { border-color: var(--accent); }
.pill.closed { border-color: var(--muted); color: var(--muted); }
.code-box { font-size: 1.4rem; padding: 12px; margin-bottom: 12px; border-radius: 8px; background: var(--bg); border: 1px dashed var(--accent); }
.code-box strong { letter-spacing: .1em; font-family: ui-monospace, Menlo, Consolas, monospace; }
.events { padding-left: 20px; }
.events li { margin-bottom: 10px; overflow-wrap: anywhere; }
.events time { color: var(--muted); font-size: .85rem; margin-right: 6px; }
pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; overflow-x: auto; font-size: .85rem; }
a { color: var(--accent); }