:root {
  --bg: #f6f7f9; --fg: #1d2330; --muted: #6b7385; --card: #fff; --line: #dfe3ea;
  --primary: #1f5fd1; --ok: #1a7f46; --warn: #a96500; --bad: #b42318;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14171d; --fg: #e6e9ef; --muted: #98a1b3; --card: #1c2028; --line: #2c323d;
          --primary: #6c9cff; --ok: #4cc38a; --warn: #f0a83a; --bad: #ff6b5f; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
a { color: var(--primary); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.top { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 10px 16px;
       border-bottom: 1px solid var(--line); background: var(--card); flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.who a { margin-left: 8px; }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin: 0 0 16px; }
.card.narrow { max-width: 640px; margin: 40px auto; }
.card.bad { border-color: var(--bad); } .card.warn { border-color: var(--warn); }
.banner { background: var(--warn); color: #fff; padding: 8px 16px; display: flex; gap: 12px; align-items: center; }
.bar { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); font-size: 12px; }
.badge.ok { border-color: var(--ok); color: var(--ok); } .badge.warn { border-color: var(--warn); color: var(--warn); }
.badge.bad { border-color: var(--bad); color: var(--bad); }
.btn, button { display: inline-block; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line);
               background: var(--card); color: var(--fg); cursor: pointer; text-decoration: none; font: inherit; }
.btn.primary, button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
button.warn { border-color: var(--warn); color: var(--warn); } button.bad { border-color: var(--bad); color: var(--bad); }
button.armed { background: var(--bad); color: #fff; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; padding: 5px 8px; border: 1px solid var(--line); border-radius: 6px;
                          background: var(--bg); color: var(--fg); max-width: 100%; }
textarea { width: 100%; margin: 8px 0; }
.seats { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; margin-bottom: 16px; }
.seat { background: var(--card); border: 1px solid var(--line); border-left-width: 6px; border-radius: 10px; padding: 12px; }
.seat header { display: flex; gap: 8px; align-items: center; }
.seat .note { color: var(--muted); font-size: 13px; word-break: break-word; }
.seat .actions { display: flex; flex-wrap: wrap; gap: 6px; }
.seat .actions form { margin: 0; }
.seat form.assign { display: grid; gap: 6px; width: 100%; }
.state-empty { border-left-color: var(--line); } .state-ready { border-left-color: var(--primary); }
.state-running { border-left-color: var(--ok); } .state-sealed, .state-collecting { border-left-color: var(--warn); }
.state-collected { border-left-color: #7a5af8; } .state-blocked { border-left-color: var(--bad); }
.state-loading, .state-resetting { border-left-color: var(--muted); }
.timer { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--muted); }
form.inline { display: inline-flex; gap: 4px; align-items: center; margin: 0; }
.filters { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list tr.group td { background: var(--bg); }
.row-actions { white-space: nowrap; }
pre.out { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow: auto; max-height: 480px; white-space: pre-wrap; }
ul.hints li { margin: 4px 0; }
@media (max-width: 640px) { .row-actions { white-space: normal; } table.list { font-size: 13px; } }