/* Pulse Lab · Myocognia brand (matches myocognia.com) */
:root {
  --bg: #05070d;
  --bg2: #0a0f1c;
  --panel: #0e1424;
  --panel-2: #131b2f;
  --line: rgba(255, 255, 255, 0.09);
  --ink: #f2f5fb;
  --muted: #a3acc0;
  --blue: #2f5bd9;
  --accent: #6f98ff;
  --accent-ink: #ffffff;
  --teal: #2bc4c4;
  --amber: #ffb547;
  --warn: #ffb547;
  --bad: #ff5d6c;
  --good: #3ccf7a;
  --grid: rgba(163, 172, 192, 0.14);
  --axis: #8b96ab;
  --c-lv: #ff5d6c;
  --c-ao: #5f8bff;
  --c-la: #ffb547;
  --c-rv: #b07cff;
  --c-pa: #3ccf7a;
  --c-ra: #ff9f43;
  --c-pump: #2bc4c4;
  --c-ecmo: #ff7ad9;
  --monitor-bg: #03050a;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f6fb;
  --bg2: #eef2fa;
  --panel: #ffffff;
  --panel-2: #f5f7fc;
  --line: #dde3ee;
  --ink: #0b1020;
  --muted: #56627a;
  --accent: #2f5bd9;
  --teal: #0f8f8f;
  --warn: #b7791f;
  --bad: #d43a49;
  --good: #1f9d55;
  --grid: rgba(86, 98, 122, 0.14);
  --axis: #56627a;
  --c-lv: #d43a49;
  --c-ao: #2f5bd9;
  --c-la: #c17d10;
  --c-rv: #7b4fd6;
  --c-pa: #1f9d55;
  --c-ra: #d9701a;
  --c-pump: #0f8f8f;
  --c-ecmo: #c2389a;
  --shadow: 0 6px 20px rgba(15, 25, 50, .08);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
a { color: var(--accent); }
button, select, input { font: inherit; color: inherit; }
button {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 11px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, select:focus-visible, input:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
button.primary { background: var(--blue); color: #fff; border-color: var(--blue); font-weight: 600; }
button.primary:hover { background: #3d68e6; }
button.on { background: var(--blue); color: #fff; border-color: var(--blue); }
button.small { padding: 3px 9px; font-size: 12px; border-radius: 8px; }
button.icon { padding: 0 7px; font-size: 13px; line-height: 20px; border-radius: 7px; opacity: .7; }
button.icon:hover { opacity: 1; }
select, input[type=number], input[type=text], input:not([type]) {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 8px;
}
.chk { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); cursor: pointer; }
.chk input { accent-color: var(--accent); }

/* ---------------- top bar ---------------- */
.topbar {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px;
  background: rgba(5, 7, 13, 0.82);
  backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap; position: sticky; top: 0; z-index: 30;
}
:root[data-theme="light"] .topbar { background: rgba(255, 255, 255, 0.85); }
.brand { display: flex; align-items: center; gap: 9px; margin-right: 8px; color: var(--ink); text-decoration: none; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand b { font-size: 17px; letter-spacing: .01em; display: block; line-height: 1.1; }
.brand span { color: var(--muted); font-size: 11px; }
.topbar .grow { flex: 1; }
.topbar .group { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.simclock { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; min-width: 76px; }

/* dropdown menu */
.menu { position: relative; }
.menu > summary {
  list-style: none; cursor: pointer; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 6px 11px; white-space: nowrap;
}
.menu > summary::-webkit-details-marker { display: none; }
.menu[open] > summary { border-color: var(--accent); }
.menu-body {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 40; min-width: 230px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 6px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px;
}
.menu-body button { text-align: left; border-color: transparent; background: transparent; }
.menu-body button:hover { background: var(--panel-2); border-color: var(--line); }

/* ---------------- layout ---------------- */
.layout {
  flex: 1; display: grid; grid-template-columns: 330px minmax(0, 1fr) 320px;
  gap: 10px; padding: 10px; min-height: 0;
}
body.focus .layout { grid-template-columns: minmax(0, 1fr); }
body.focus .panel { display: none; }
.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  min-width: 0; display: flex; flex-direction: column;
  max-height: calc(100vh - 78px); position: sticky; top: 68px;
}
.panel .scroll { overflow-y: auto; padding: 10px 12px 14px; flex: 1; }
.panel .scroll.fixed { flex: 0 0 auto; padding-bottom: 0; }
.panel h2 { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin: 14px 0 6px; font-weight: 700; }
.panel h2:first-child { margin-top: 2px; }
.scenario select { width: 100%; }
.scenario p { color: var(--muted); margin: 6px 0 0; font-size: 13px; }

/* tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 10px 12px 0; }
.tabs button { padding: 4px 9px; font-size: 13px; }

/* control rows */
.ctrl { padding: 6px 0 8px; border-bottom: 1px dashed var(--line); }
.ctrl:last-child { border-bottom: 0; }
.ctrl .top { display: flex; align-items: center; gap: 6px; }
.ctrl label { flex: 1; font-size: 13px; cursor: help; }
.ctrl .mod { color: var(--amber); font-weight: 700; display: none; }
.ctrl.modified .mod { display: inline; }
.ctrl .num { width: 76px; text-align: right; padding: 2px 6px; border-radius: 7px; font-variant-numeric: tabular-nums; }
.ctrl .unit { color: var(--muted); font-size: 11px; width: 70px; }
.ctrl .reset { visibility: hidden; padding: 0 6px; font-size: 12px; }
.ctrl.modified .reset { visibility: visible; }
.ctrl input[type=range] { width: 100%; accent-color: var(--accent); margin: 4px 0 0; }
.ctrl.muted { opacity: .5; }
.switchrow { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.switchrow label { font-size: 13px; cursor: help; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; flex-wrap: wrap; }
.seg button { border: 0; border-radius: 0; padding: 4px 10px; font-size: 12px; background: var(--panel-2); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--blue); color: #fff; }
.toggle { position: relative; width: 40px; height: 22px; border-radius: 999px; padding: 0; background: var(--line); border: 0; flex: none; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .15s; }
.toggle.on { background: var(--blue); }
.toggle.on::after { left: 21px; }
.btnrow { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.note { color: var(--muted); font-size: 12px; margin: 6px 0; }
.device { border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; margin: 8px 0; background: var(--panel-2); }
.device.active { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(111,152,255,.25) inset; }
.device h3 { margin: 0 0 4px; font-size: 14px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.result { border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; margin: 8px 0; background: var(--bg2); font-size: 13px; }
.result b { color: var(--accent); }
.result.good { border-color: color-mix(in srgb, var(--good) 45%, transparent); }
.result.warn { border-color: color-mix(in srgb, var(--warn) 45%, transparent); }

/* ---------------- plots ---------------- */
.plots { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.viewbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.viewbar .grow { flex: 1; }
.snaps { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.snapchip { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 4px 1px 8px; font-size: 12px; background: var(--panel); }
.snapchip i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.snapchip button { border: 0; background: none; padding: 0 4px; }
.grid { display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 10px 6px; min-width: 0; }
.card .head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; min-height: 22px; }
.card .head b { font-size: 13px; }
.card .head .hint { color: var(--muted); font-size: 11px; }
.card .head .legend { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 12px; }
.card .head .legend i { display: inline-block; width: 12px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 4px; }
.card .head .grow { flex: 1; }
.card canvas { display: block; width: 100%; height: 260px; }
.card.big canvas { height: 360px; }
.card.span2 { grid-column: span 2; }
.card[hidden] { display: none; }
.card.dark { background: var(--monitor-bg); border-color: #1a2333; }
.card.dark .head b { color: #c9d4df; }
#card-monitor canvas { height: 440px; }
#card-heart canvas { height: 460px; }
.menu-body a.menu-link { display: block; padding: 6px 11px; border-radius: 10px; color: var(--ink); text-decoration: none; }
.menu-body a.menu-link:hover { background: var(--panel-2); }
/* the logo beats with every simulated heartbeat */
.brand svg { transition: transform .12s ease-out; transform-origin: 50% 55%; }
.brand svg.beat { transform: scale(1.14); }
@media (prefers-reduced-motion: reduce) { .brand svg, .brand svg.beat { transition: none; transform: none; } }
#card-echo canvas { height: 360px; }
#card-circ canvas { height: 420px; }
#card-forrester canvas { height: 300px; }
#card-trends canvas { height: 360px; }
.disclaimer { color: var(--muted); font-size: 12px; text-align: center; margin: 2px 0 8px; }

/* ---------------- right panel: alarms, learning, outputs ---------------- */
.alarms { display: flex; flex-direction: column; gap: 4px; padding: 10px 12px 0; }
.alarms:empty { display: none; }
.alarm { border-radius: 10px; padding: 5px 9px; font-size: 12px; font-weight: 600; }
.alarm.bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); border: 1px solid color-mix(in srgb, var(--bad) 45%, transparent); }
.alarm.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); }
.alarm.ok { background: color-mix(in srgb, var(--good) 12%, transparent); color: var(--good); border: 1px solid color-mix(in srgb, var(--good) 35%, transparent); }
details.group { border-bottom: 1px solid var(--line); padding: 4px 0 8px; }
details.group > summary { cursor: pointer; list-style: none; font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); font-weight: 700; padding: 8px 0 6px; }
details.group > summary::-webkit-details-marker { display: none; }
details.group > summary::before { content: "▸ "; color: var(--muted); }
details.group[open] > summary::before { content: "▾ "; }
.out { display: grid; grid-template-columns: 1fr auto auto; gap: 2px 8px; align-items: baseline; }
.out .k { font-size: 13px; cursor: help; }
.out .v { font-variant-numeric: tabular-nums; font-weight: 700; text-align: right; font-size: 14px; }
.out .u { color: var(--muted); font-size: 11px; min-width: 54px; }
.out .v.bad { color: var(--bad); }
.out .v.warn { color: var(--warn); }
.out .v.txt { font-size: 12px; font-weight: 600; }
.out .d { grid-column: 2 / 4; text-align: right; font-size: 11px; color: var(--muted); margin-top: -3px; font-variant-numeric: tabular-nums; }
.out .d:empty { display: none; }

.learn, .challenge, .explain, .predict { border: 1px solid var(--line); border-radius: 12px; padding: 9px 11px; background: var(--panel-2); margin: 6px 0; }
.learn h3, .explain h3, .predict h3 { margin: 0 0 6px; font-size: 13px; }
.challenge ul, .explain ul { list-style: none; padding: 0; margin: 6px 0; }
.challenge li, .explain li { padding: 2px 0; font-size: 13px; }
.challenge li.met { color: var(--good); }
.challenge li.met::before { content: "✓ "; }
.challenge li.unmet::before { content: "○ "; color: var(--muted); }
.challenge .bar, .progress { height: 6px; border-radius: 4px; background: var(--line); overflow: hidden; }
.challenge .bar span, .progress span { display: block; height: 100%; background: var(--good); width: 0; transition: width .2s; }
.progress span { background: var(--accent); }
.challenge .won { color: var(--good); font-weight: 700; }
.explain .lab { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-top: 6px; }
.explain li.up::before { content: ""; }
.explain p { margin: 4px 0; font-size: 13px; color: var(--ink); }
.explain .muted { color: var(--muted); }
.predict .q { font-weight: 700; margin: 2px 0 8px; }
.predict table { width: 100%; border-collapse: collapse; font-size: 13px; }
.predict td { padding: 4px 2px; border-bottom: 1px solid var(--line); }
.predict td.r { text-align: right; }
.pseg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.pseg button { border: 0; border-radius: 0; padding: 2px 8px; font-size: 13px; }
.pseg button + button { border-left: 1px solid var(--line); }
.pseg button.on { background: var(--blue); color: #fff; }
.ok-mark { color: var(--good); font-weight: 700; }
.bad-mark { color: var(--bad); font-weight: 700; }
.score { font-size: 12px; color: var(--muted); }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--accent); color: var(--ink);
  padding: 8px 14px; border-radius: 12px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 60; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { opacity: 1; }

/* dialogs */
dialog { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 16px; max-width: 780px; width: calc(100% - 32px); padding: 0; }
dialog.wide { max-width: 1040px; }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog .dhead { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
dialog .dhead b { font-size: 16px; }
dialog .dhead .grow { flex: 1; }
dialog .dbody { padding: 12px 18px 18px; max-height: 76vh; overflow-y: auto; }
dialog .dbody h3 { margin: 16px 0 6px; font-size: 14px; }
dialog .dbody p, dialog .dbody li { color: var(--muted); }
dialog table { width: 100%; border-collapse: collapse; font-size: 13px; }
dialog td, dialog th { border-bottom: 1px solid var(--line); padding: 4px 6px; text-align: left; }
dialog td.r, dialog th.r { text-align: right; font-variant-numeric: tabular-nums; }
.labgrid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; }
.labgrid .lab { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); font-weight: 700; margin-top: 4px; }
.labgrid .side .note { margin: 0; }
.labgrid .side { display: flex; flex-direction: column; gap: 8px; }
.labgrid canvas { width: 100%; height: 440px; display: block; background: var(--bg2); border-radius: 12px; border: 1px solid var(--line); }
.formrow { display: grid; grid-template-columns: 1fr 110px; gap: 6px; align-items: center; font-size: 13px; }
.formrow input, .formrow select { width: 100%; }
.checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 8px; font-size: 13px; }
.savelist { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.savelist .row { display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; }
.savelist .row span { flex: 1; }
.savelist .empty { color: var(--muted); }
.savebox { display: flex; gap: 6px; }
.savebox input { flex: 1; }
kbd { border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; font-size: 12px; }
.errgood { color: var(--good); }
.errbad { color: var(--bad); }

/* report (only visible when printing) */
#report { display: none; }
@media print {
  body { background: #fff; color: #000; display: block; }
  body > *:not(#report) { display: none !important; }
  #report { display: block; font: 12px/1.4 Inter, Arial, sans-serif; color: #000; }
  #report h1 { font-size: 20px; margin: 0 0 4px; }
  #report h2 { font-size: 14px; margin: 14px 0 6px; border-bottom: 1px solid #ccc; }
  #report img { width: 48%; margin: 0 1% 8px 0; border: 1px solid #ddd; }
  #report table { border-collapse: collapse; width: 100%; }
  #report td { border-bottom: 1px solid #eee; padding: 2px 4px; }
  #report .muted { color: #555; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1320px) {
  .layout { grid-template-columns: 300px minmax(0, 1fr); }
  .panel.right { grid-column: 1 / -1; position: static; max-height: none; }
  .panel.right .scroll { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 18px; align-items: start; }
}
@media (max-width: 900px) {
  .labgrid { grid-template-columns: minmax(0, 1fr); }
  .labgrid canvas { height: 340px; }
}
@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 8px; }
  .panel { position: static; max-height: none; }
  .panel.left .scroll:not(.fixed) { max-height: 60vh; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .card.span2 { grid-column: auto; }
  .card canvas { height: 230px; }
  .card.big canvas { height: 300px; }
  #card-monitor canvas { height: 400px; }
  #card-heart canvas { height: 380px; }
  #card-echo canvas { height: 380px; }
  #card-circ canvas { height: 360px; }
  .brand span { display: none; }
  .topbar { position: static; padding: 8px; gap: 6px; }
  .topbar .grow { display: none; }
  .topbar button, .menu > summary { padding: 5px 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .toast, .toggle::after, .challenge .bar span { transition: none; }
}