:root {
  --bg: #f6f6f8; --panel: #fff; --text: #1c1c21; --muted: #696975; --line: #e1e1e7;
  --accent: #2456d6; --danger: #c62828; --ok: #1b7f3b; --warn: #9a5b00;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131316; --panel: #1c1c21; --text: #ececf1; --muted: #9b9ba8; --line: #2d2d35; --accent: #7096ff; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
h1 { font-size: 22px; margin: 0 0 8px; } h2 { font-size: 17px; margin: 0 0 10px; }
.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.top nav { display: flex; gap: 14px; flex: 1; flex-wrap: wrap; }
.top nav a { color: var(--text); text-decoration: none; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; min-width: 0; }
.card.narrow { max-width: 380px; margin: 10vh auto 0; width: 100%; }
.grid2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid3 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .between { justify-content: space-between; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
label.inline { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; color: var(--text); }
input, select { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; width: 100%; min-width: 0; }
input[type=radio], input[type=checkbox] { width: auto; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 14px; padding: 12px 14px; min-width: 0; }
legend { font-weight: 600; padding: 0 6px; }
.btn { font: inherit; display: inline-block; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; text-decoration: none; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.link { border: 0; background: none; color: var(--muted); }
.btn.small { padding: 3px 9px; font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; } .actions form { margin: 0; }
.estop-form, .top form { margin: 0; }
.banner { padding: 10px 16px; } .banner.danger { background: var(--danger); color: #fff; } .banner.warn { background: #fff4d6; color: #6b4300; border-radius: 6px; }
.flash { background: var(--panel); border: 1px solid var(--accent); border-left-width: 4px; padding: 10px 14px; border-radius: 6px; }
.error, .field-error { color: var(--danger); } .field-error { font-size: 12px; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.mode { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 4px; }
.mode.test { background: #fff4d6; color: #7a4b00; } .mode.live { background: var(--danger); color: #fff; }
.state { font-family: ui-monospace, Consolas, monospace; font-size: 13px; padding: 2px 8px; border-radius: 4px; background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.state.big { font-size: 15px; }
.s-purchased { color: var(--ok); border-color: var(--ok); }
.s-needs_attention, .s-outcome_unknown, .s-failed { color: var(--danger); border-color: var(--danger); }
.s-armed { color: var(--accent); border-color: var(--accent); }
.pill { font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--bg); border: 1px solid var(--line); }
.pill.online { color: var(--ok); border-color: var(--ok); } .pill.offline, .pill.revoked { color: var(--danger); border-color: var(--danger); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.dot.online { background: var(--ok); } .dot.offline { background: var(--danger); }
.runner { padding: 6px 0; border-bottom: 1px solid var(--line); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; } th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 12px; margin: 16px 0 0; } .kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
@media (max-width: 560px) {
  .kv { grid-template-columns: 1fr; } .kv dt { margin-top: 6px; }
  .top nav { order: 3; flex-basis: 100%; }   /* nav gets its own row under brand + buttons */
  .brand { flex: 1; }
}
.events { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.events li { padding: 6px 0; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.events time { color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.events .src { font-size: 11px; text-transform: uppercase; color: var(--muted); }
.events .reason { font-family: ui-monospace, Consolas, monospace; }
.events details { width: 100%; } .events pre { white-space: pre-wrap; word-break: break-word; font-size: 12px; margin: 4px 0; }
.pair-code { border: 2px dashed var(--accent); border-radius: 8px; padding: 12px; margin: 12px 0; }
.pair-code .code { font: 700 28px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 3px; }
.section-gap { margin-top: 22px; }
.steps { padding-left: 20px; } .steps li { margin: 0 0 10px; }
.narrow-input { width: 150px; }
.whoami { color: var(--muted); font-size: 13px; }