/* GitHub Primer light tokens */
:root {
  color-scheme: light;
  --fg: #1f2328;
  --muted: #656d76;
  --border: #d0d7de;
  --canvas: #ffffff;
  --subtle: #f6f8fa;
  --accent: #0969da;
  --success-fg: #1a7f37;
  --success-bg: #dafbe1;
  --attention-fg: #9a6700;
  --attention-bg: #fff8c5;
  --danger-fg: #cf222e;
  --danger-bg: #ffebe9;
  --radius: 6px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--subtle);
  color: var(--fg);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
}
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 16px 0 8px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.topbar {
  padding: 16px; background: var(--canvas); border-bottom: 1px solid var(--border);
}
.topbar p { margin: 0; max-width: 60ch; }
.tier { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; flex: none; }
.tier-label { font-size: 12px; color: var(--muted); }
.badge {
  display: inline-block; padding: 2px 12px; border-radius: 2em; font-weight: 600; font-size: 13px;
  border: 1px solid var(--border); background: var(--subtle); color: var(--muted);
}
.badge[data-tier="full"] { background: var(--success-bg); color: var(--success-fg); border-color: #4ac26b; }
.badge[data-tier="attenuated"] { background: var(--attention-bg); color: var(--attention-fg); border-color: #d4a72c; }
.badge[data-tier="handoff"] { background: var(--danger-bg); color: var(--danger-fg); border-color: #ff8182; }
.badge[data-tier="applying"] { border-style: dashed; }
.notice { margin: 16px; padding: 12px; border-radius: var(--radius); background: var(--danger-bg); color: var(--danger-fg); border: 1px solid #ff8182; }
.card { background: var(--canvas); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.wide { grid-column: 1 / -1; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }
.stack { display: grid; gap: 8px; }
.stack label { display: grid; gap: 4px; font-weight: 600; }
.row { display: flex; gap: 8px; margin-top: 12px; }
.row.wrap { flex-wrap: wrap; margin-top: 0; }
input[type="text"], input:not([type]) {
  padding: 5px 12px; border: 1px solid var(--border); border-radius: var(--radius); font: inherit; width: 100%;
}
input:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  padding: 5px 16px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--subtle); color: var(--fg); font: inherit; font-weight: 600; cursor: pointer;
}
button:hover { background: #eaeef2; }
button.primary { background: #1f883d; border-color: #1a7f37; color: #fff; }
button.primary:hover { background: #1a7f37; }
button.danger { color: var(--danger-fg); }
button:disabled { opacity: .6; cursor: not-allowed; }
.chip-line { margin: 12px 0 0; }
.chip { display: inline-block; padding: 0 8px; border-radius: 2em; background: var(--subtle); border: 1px solid var(--border); }
.score { margin: 12px 0; }
.score-head { display: flex; justify-content: space-between; font-weight: 600; }
.slider-wrap { position: relative; }
.slider-wrap input[type="range"] { width: 100%; }
.tick { position: absolute; top: 0; width: 2px; height: 100%; background: var(--fg); opacity: .35; pointer-events: none; }
.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.log li { border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 12px; display: grid; gap: 4px; }
.log li[data-allowed="false"] { border-left: 4px solid var(--danger-fg); }
.log li[data-allowed="true"] { border-left: 4px solid var(--success-fg); }
.log-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.verdict { font-weight: 700; }
li[data-allowed="false"] .verdict { color: var(--danger-fg); }
li[data-allowed="true"] .verdict { color: var(--success-fg); }
.policy-line { margin: 0; }
.policy-line .why { color: var(--muted); }
.log details { margin-top: 2px; }
summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.decision { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 8px 0 0; }
.decision dt { color: var(--muted); }
.decision dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.rule { display: block; }
.rule .rule-code { font-weight: 700; color: var(--danger-fg); }
/* Keep the summary a list item so the disclosure triangle stays: it is what says "this collapses". */
#calendar > summary { color: var(--fg); }
#calendar > summary h2 { display: inline; margin: 0 8px 0 0; }
#calendar[open] > summary { margin-bottom: 8px; }
.cal-day { margin: 8px 0; font-weight: 600; }
/* Top row follows the call: simulator, gateway, clinic. Bottom row is the control side: certification, policy. */
.page { display: grid; gap: 16px; padding: 16px; }
.flow { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(0, 1.3fr) minmax(260px, 1fr); gap: 16px; align-items: start; }
.mid { display: grid; gap: 16px; }
.side { display: grid; gap: 12px; }
.scroll { max-height: 70vh; overflow-y: auto; }
.empty { color: var(--muted); }
@media (max-width: 1100px) {
  .flow { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .side { grid-column: 1 / -1; }
}
@media (max-width: 800px) {
  .flow { grid-template-columns: minmax(0, 1fr); }
}
.patients { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.patients li { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; justify-content: space-between;
  border: 1px solid var(--border); border-radius: var(--radius); padding: 6px 12px; }
.patients .who { display: grid; gap: 2px; min-width: 0; }
.patients .name { font-weight: 700; }
.patients button { padding: 2px 12px; }
.needs-phone { display: inline-block; padding: 0 8px; border-radius: 2em; font-size: 12px;
  background: var(--attention-bg); color: var(--attention-fg); border: 1px solid #d4a72c; }
#patients > summary, #calendar > summary { color: var(--fg); }
#patients > summary h2 { display: inline; margin: 0 8px 0 0; }
#patients[open] > summary { margin-bottom: 8px; }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.slot { border: 1px solid var(--border); border-radius: var(--radius); padding: 6px 12px; display: grid; gap: 1px; }
.slot .time { font-weight: 700; }
.slot-open { background: var(--success-bg); border-color: #4ac26b; color: var(--success-fg); }
.slot-booked { background: var(--subtle); color: var(--fg); }
.slot-booked .who { font-weight: 600; }
code, pre { font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; }
pre { margin: 4px 0 0; padding: 8px; background: var(--subtle); border-radius: var(--radius); overflow-x: auto; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 4px; }
.col { min-width: 0; display: grid; align-content: start; gap: 4px; }
.col h4 { margin: 0; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .02em; }
.one-line { overflow-wrap: anywhere; }
@media (max-width: 800px) { .cols { grid-template-columns: minmax(0, 1fr); } }

/* Design section */
.design h3 { margin-top: 24px; }
.design h4 { margin: 0 0 4px; font-size: 14px; }
.seq-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--canvas); }
#sequence { min-width: 900px; }
.seq { display: block; width: 100%; height: auto; font: 12px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.seq-lane { stroke: var(--border); stroke-dasharray: 3 4; }
.seq-box { fill: var(--subtle); stroke: var(--border); }
.seq-name { text-anchor: middle; font-weight: 600; fill: var(--fg); }
.seq-phase { fill: var(--subtle); }
.seq-phase-title { font-weight: 700; fill: var(--muted); }
.seq-line { stroke: var(--fg); stroke-width: 1.3; }
.seq-dashed { stroke-dasharray: 5 3; stroke: var(--muted); }
.seq-head { fill: var(--fg); }
.seq-label { text-anchor: middle; fill: var(--fg); paint-order: stroke; stroke: var(--canvas); stroke-width: 4px; stroke-linejoin: round; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.two p { margin: 0 0 8px; }
.layers { width: 100%; border-collapse: collapse; margin: 8px 0; }
.layers th, .layers td { text-align: left; vertical-align: top; padding: 6px 12px; border-top: 1px solid var(--border); }
.layers th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .02em; border-top: 0; }
.layers code { display: inline-block; margin-bottom: 2px; }
.layers code + code { margin-left: 4px; }
.notes { margin: 0; padding-left: 20px; }
@media (max-width: 800px) { .two { grid-template-columns: minmax(0, 1fr); } }