/* Palette follows the LiveLinq viewer: pale blue-lavender grid, navy trace,
   lead-label chips. Reviewers should recognise this as the same instrument. */
:root {
  --navy: #24248f;
  --navy-soft: #4a4ab8;
  --chip-bg: #e5ebfa;
  --panel-bg: #fafaff;
  --panel-border: #dcdcec;
  --ink: #1c1c28;
  --ink-soft: #5f6070;
  --ink-faint: #93949f;
  --line: #e4e4ee;
  --page: #ffffff;
  --ok: #14804a;
  --ok-bg: #e6f4ec;
  --warn: #8a5a00;
  --warn-bg: #fdf3e0;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --focus: #2f5bea;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
/* Sign-in and home are short pages: keep the status bar at the bottom of the
   window rather than straight under the content. */
body { min-height: 100vh; display: flex; flex-direction: column; }

/* ---------- chrome ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 9px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--page);
  z-index: 20;
}

.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand-title { color: var(--ink-soft); font-size: 15px; }
.topbar-context { margin-left: auto; color: var(--ink-soft); font-size: 14px; }
.topbar-user { display: flex; align-items: center; gap: 4px; }
/* display:flex would otherwise defeat the hidden attribute. */
.topbar-user[hidden] { display: none; }
.topbar-username { color: var(--ink-soft); font-size: 14px; }

.statusbar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
  border-top: 1px solid var(--line);
  background: var(--page);
  font-size: 13px;
  color: var(--ink-soft);
  z-index: 20;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink-faint); flex: none;
}
.status-dot.ok { background: var(--ok); }
.status-dot.busy { background: var(--warn); }
.status-dot.bad { background: var(--danger); }
.statusbar.bad { background: var(--danger-bg); color: var(--danger); }

.view { padding: 10px 20px 4px; flex: 1 0 auto; }

/* ---------- buttons ---------- */

.btn {
  font: inherit;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #f5f6fb; }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.btn-primary {
  background: var(--navy); border-color: var(--navy); color: #fff; font-weight: 550;
}
.btn-primary:hover:not(:disabled) { background: #1c1c78; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ghost { border-color: transparent; color: var(--navy); }
.btn-danger { color: var(--danger); border-color: #f0c4c0; }
.btn-danger:hover:not(:disabled) { background: var(--danger-bg); }
.btn-large { padding: 11px 26px; }
.btn-small { padding: 5px 10px; font-size: 13px; }
a.btn { display: inline-block; text-decoration: none; }

/* ---------- inputs ---------- */

.input {
  font: inherit; width: 100%;
  padding: 9px 12px; border: 1px solid var(--panel-border); border-radius: 8px;
  background: #fff; color: var(--ink);
}
.input:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--navy); }
.input-small { width: 180px; padding: 5px 9px; font-size: 13px; }

/* ---------- banners ---------- */

.banner {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  margin-bottom: 8px;
  border: 1px solid transparent;
}
.banner-warn { background: var(--warn-bg); color: var(--warn); border-color: #f0dcb4; }

.save-error {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 20, 30, 0.55);
  display: flex; align-items: center; justify-content: center;
}
/* display:flex would otherwise defeat the hidden attribute. */
.save-error[hidden] { display: none; }
.save-error-body {
  background: #fff; border-radius: 12px; padding: 24px;
  max-width: 520px; margin-inline: 16px; border-top: 4px solid var(--danger);
}
.save-error-body strong { display: block; color: var(--danger); font-size: 17px; margin-bottom: 8px; }
.save-error-lede { margin: 0 0 12px; font-size: 14.5px; }
.save-error-howto { margin: 0; font-size: 14.5px; }
.save-error-actions { margin-top: 16px; display: flex; gap: 8px; }
.save-error-actions .btn[hidden] { display: none; }
.save-error-detail { color: var(--ink-faint); font-size: 11.5px; margin: 12px 0 0; overflow-wrap: anywhere; }
.save-error-detail:empty { display: none; }

/* ---------- sign in ---------- */

.login { display: grid; place-items: center; padding: 56px 0 64px; }
.login-card { width: 100%; max-width: 420px; text-align: center; }
.login-card h1 { font-size: 22px; margin: 0 0 6px; font-weight: 650; }
.login-lede { color: var(--ink-soft); margin: 0 0 22px; }
.login-card .btn { width: 100%; margin-top: 8px; }
.field { text-align: left; margin: 0 0 12px; }
.field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 3px; }
.login-error { color: var(--danger); font-size: 13.5px; margin: 12px 0 0; }
.login-error:empty { display: none; }

/* ---------- home ---------- */

/* One number and one button. The server picks the next patient, so there is
   nothing here to choose between. */
.home { max-width: 520px; margin: 0 auto; padding: 56px 0 64px; text-align: center; }
.home-count {
  font-size: 44px; font-weight: 700; color: var(--navy); line-height: 1;
  margin-bottom: 4px; font-variant-numeric: tabular-nums;
}
.home-lede { color: var(--ink-soft); margin: 0 0 22px; }
.home-note { color: var(--ink-soft); font-size: 13px; margin: 18px 0 0; }
.home-done, .home-wait {
  display: inline-block; margin: 0; padding: 10px 16px; border-radius: 8px;
  background: var(--ok-bg); color: var(--ok); font-weight: 550;
}
.home-wait { background: var(--chip-bg); color: var(--navy); }
.home-error { color: var(--danger); font-size: 13.5px; margin: 12px 0 0; }
.home-error:empty { display: none; }

/* ---------- admin ---------- */

.admin { max-width: 1100px; margin: 0 auto; padding: 8px 0 32px; }
.admin-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.admin-head h1 { font-size: 22px; margin: 0; font-weight: 650; }
.admin-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.admin-section { margin-top: 28px; }
.admin-section h2 { font-size: 16px; margin: 0 0 12px; font-weight: 650; }

.admin-add {
  border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 16px; background: var(--panel-bg);
}
.admin-add h3 { font-size: 13px; margin: 0 0 8px; font-weight: 650; }
.admin-add-row { display: flex; gap: 8px; flex-wrap: wrap; }
.admin-add-row .input { width: 220px; }
.admin-hint { color: var(--ink-faint); font-size: 12px; margin: 6px 0 0; }
.admin-message { font-size: 13.5px; margin: 8px 0 0; }
.admin-message:empty { display: none; }
.admin-message p { margin: 0 0 4px; }
.admin-list { margin: 4px 0 0; padding-left: 20px; }
.admin-warn { color: var(--warn); }
.admin-file { font: inherit; font-size: 13.5px; align-self: center; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th {
  text-align: left; font-size: 12.5px; font-weight: 600; color: var(--ink-soft);
  padding: 6px 10px; border-bottom: 1px solid var(--panel-border);
}
.admin-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.admin-username { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; font-weight: 600; }
.admin-row-actions { text-align: right; }
.admin-row-actions .admin-ok { margin-right: 10px; font-size: 12.5px; }
.admin-inline { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.admin-inline-error { color: var(--danger); font-size: 12.5px; flex-basis: 100%; text-align: right; }
.admin-inline-error:empty { display: none; }

.admin-ok { color: var(--ok); }
.admin-error { color: var(--danger); }
.admin-empty { color: var(--ink-soft); font-size: 14px; }
.admin-summary { margin: 0 0 8px; font-weight: 550; }

.badge {
  display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600; vertical-align: 1px;
}
.badge-bad { background: var(--danger-bg); color: var(--danger); }
.badge-test { background: var(--chip-bg); color: var(--navy); }

/* Coverage: one cell per patient, lowest first as the server sorts them.
   Below target is the thing to notice, so it carries the colour. */
.cov-legend { display: flex; gap: 16px; font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; flex-wrap: wrap; }
.cov-legend span { display: flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 3px; border: 1px solid var(--panel-border); }
.swatch.below { background: var(--warn); border-color: var(--warn); }
.swatch.met { background: var(--ok); border-color: var(--ok); }
.cov-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 6px;
}
.cov-cell {
  border: 1px solid var(--panel-border); border-radius: 8px;
  padding: 7px 10px; display: flex; flex-direction: column; gap: 1px;
}
.cov-cell.below { background: var(--warn-bg); border-color: #f0dcb4; }
.cov-cell.met { background: var(--ok-bg); border-color: #c2e2d1; }
.cov-rx { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; font-weight: 600; }
.cov-count { font-size: 11.5px; color: var(--ink-soft); }
.cov-cell.below .cov-count:not(.none) { color: var(--warn); }
.cov-cell.met .cov-count:not(.none) { color: var(--ok); }
.cov-count.none { color: var(--ink-faint); }

/* ---------- review layout ---------- */

.review { display: grid; grid-template-columns: minmax(0, 1fr) 520px; gap: 18px; align-items: start; }
@media (max-width: 1180px) { .review { grid-template-columns: 1fr; } }

.stage-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.stage-badge {
  background: var(--navy); color: #fff; border-radius: 999px;
  padding: 4px 12px; font-size: 12.5px; font-weight: 600;
}
.stage-badge.stage2 { background: #0f7a5a; }
.stage-rx { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 600; }

/* ---------- ECG panels ---------- */

.leads { display: flex; flex-direction: column; gap: 4px; }
.lead-panel {
  position: relative;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel-bg);
  overflow: hidden;
}
.lead-panel canvas { display: block; width: 100%; }
.lead-chip {
  position: absolute; top: 8px; left: 10px;
  background: var(--chip-bg); color: var(--navy);
  font-size: 12px; font-weight: 650; letter-spacing: 0.01em;
  padding: 3px 9px; border-radius: 6px;
  pointer-events: none;
}




/* ---------- questions ---------- */

.qpanel {
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
  position: sticky; top: 68px;
}
.qpanel h2 { font-size: 14px; margin: 0 0 3px; font-weight: 650; }
.qpanel-sub { color: var(--ink-soft); font-size: 12.5px; margin: 0 0 10px; }

.q { padding: 14px 0; border-top: 1px solid var(--line); }
.q:first-of-type { border-top: none; padding-top: 0; }
.q-label { font-weight: 550; font-size: 13px; margin-bottom: 6px; display: block; }
.q-req { color: var(--danger); margin-left: 3px; }

/* Two columns of questions, each with a single column of options. This is what
   lets a whole stage — six leads included — sit on one screen without scrolling. */
/* Multi-column flow rather than a grid: grid rows size to their tallest cell,
   which strands whitespace next to a short question. Columns balance instead. */
.qgrid { columns: 2; column-gap: 16px; }
.qgrid .q { break-inside: avoid; -webkit-column-break-inside: avoid; }
.opts { display: flex; flex-direction: column; gap: 4px; }
.opt {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 9px; border: 1px solid var(--panel-border);
  border-radius: 7px; cursor: pointer; font-size: 12.5px; line-height: 1.25;
  background: #fff;
}
.opt:hover { background: #f5f6fb; }
.opt input { margin: 0; accent-color: var(--navy); flex: none; }
.opt.checked { border-color: var(--navy); background: var(--chip-bg); }
.opts .opt-text { grid-column: 1 / -1; }
.opt-text {
  margin-top: 6px; width: 100%; font: inherit; font-size: 13.5px;
  padding: 8px 10px; border: 1px solid var(--panel-border); border-radius: 7px;
}

/* VAS: no thumb, no fill, no value, until the reviewer actually moves it. A
   slider parked at 50 anchors the answer and makes "never touched it"
   indistinguishable from "deliberately chose 50". Fully custom-styled because
   the native accent fill leaks through otherwise. */
/* Confidence 1-5. Buttons rather than a slider: nothing rests at a default
   value, so an untouched control can never be mistaken for a deliberate answer. */
.scale { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.scale-btn {
  padding: 7px 0; font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums;
  color: var(--ink); background: #fff; border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer;
}
.scale-btn:hover { background: #f5f6fb; border-color: var(--navy); }
.scale-btn.chosen { background: var(--navy); border-color: var(--navy); color: #fff; }
.scale-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.scale-ends { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-faint); margin-top: 5px; }

.text-box {
  width: 100%; padding: 8px 10px; font: inherit; font-size: 13px;
  border: 1px solid var(--line); border-radius: 8px; resize: vertical;
}
.text-box:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; border-color: var(--navy); }

/* What changed, shown only on the follow-up — after both reads are locked, so
   it cannot influence either one. */
.change-chip {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 10px; margin: 0 0 10px;
  background: var(--chip-bg); border: 1px solid var(--navy); border-radius: 8px;
  font-size: 13px; font-weight: 600;
}
.change-arrow { color: var(--ink-faint); font-weight: 400; }
.change-to { color: var(--navy); }

.qactions { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.qactions .btn { width: 100%; }
.qhint { font-size: 12.5px; color: var(--ink-soft); margin: 10px 0 0; text-align: center; }
.qhint.lock { color: var(--warn); }

/* ---------- modal ---------- */

.modal-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(20, 20, 30, 0.5);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal {
  background: #fff; border-radius: 12px; padding: 24px;
  max-width: 460px; width: 100%;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}
.modal-title { margin: 0 0 12px; font-size: 17px; font-weight: 650; }
.modal-body p { margin: 0 0 10px; color: var(--ink-soft); font-size: 14px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

.empty { padding: 48px 20px; text-align: center; color: var(--ink-soft); }
.empty h2 { color: var(--ink); font-size: 17px; margin: 0 0 8px; }

/* ---- dev-only display filters ------------------------------------------
   Deliberately loud. This UI must never be mistaken for part of the reviewer
   tool, and anyone seeing it should know the trace may not be raw. */
.filter-bar {
  margin-top: 10px; padding: 8px 10px;
  border: 1px dashed var(--warn); border-radius: 8px;
  background: #fffdf5;
}
.filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-tag {
  font: 600 10px/1 ui-monospace, Menlo, monospace; letter-spacing: .08em;
  padding: 3px 5px; border-radius: 4px; color: #fff; background: var(--warn);
}
.filter-label { font-size: 12px; font-weight: 600; color: var(--ink); }
.filter-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  font: inherit; font-size: 12px; padding: 4px 9px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 6px;
  background: #fff; color: var(--ink);
}
.filter-btn:hover { border-color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-caveat { margin-top: 6px; font-size: 11.5px; color: var(--ink-faint); }
.filter-caveat.has-caveat { color: #8a5a00; }

/* ---- amplitude multiplier (reviewer-facing) --------------------------- */
.amp-bar { display: flex; align-items: center; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.amp-label { font-size: 11.5px; color: var(--ink-soft); margin-right: 2px; }
.amp-btn {
  font: inherit; font-size: 12px; padding: 3px 10px; cursor: pointer;
  border: 1px solid var(--panel-border); border-radius: 6px;
  background: #fff; color: var(--ink); min-width: 38px;
}
.amp-btn:hover { border-color: var(--navy-soft); }
.amp-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; font-weight: 600; }
.amp-btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }