/* heart3D shared look: clinical glass. Dark "monitor" theme by default, light theme for light-mode systems
   or when toggled (data-theme on <html>). Colours are tokens; pages and the 3D scene read them. */

:root {
  color-scheme: dark;
  --bg: #050c16;
  --glow-1: rgba(45, 212, 191, 0.17);
  --glow-2: rgba(56, 132, 246, 0.15);
  --glow-3: rgba(244, 114, 182, 0.07);
  --paper: rgba(126, 240, 193, 0.035);
  --glass: rgba(255, 255, 255, 0.055);
  --glass-strong: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.11);
  --glass-highlight: rgba(255, 255, 255, 0.16);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
  --text: #e7f2f6;
  --muted: #93abb8;
  --faint: #5f7887;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --accent-ink: #032420;
  --p: #60a5fa;
  --qrs: #ff7a59;
  --t: #2dd4bf;
  --base: #6b7f8c;
  --pos: #34d399;
  --neg: #fb923c;
  --trace: #7ef0c1;
  --trace-2: #9fb3bf;
  --grid: rgba(126, 240, 193, 0.09);
  --ok: #34d399;
  --warn: #fbbf24;
  --alert: #fb7185;
  --heart: #ff6b6b;
  --radius: 18px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #e9f1f4;
    --glow-1: rgba(45, 212, 191, 0.22);
    --glow-2: rgba(56, 132, 246, 0.16);
    --glow-3: rgba(244, 114, 182, 0.08);
    --paper: rgba(13, 148, 136, 0.045);
    --glass: rgba(255, 255, 255, 0.58);
    --glass-strong: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(15, 45, 60, 0.09);
    --glass-highlight: rgba(255, 255, 255, 0.9);
    --shadow: 0 18px 45px rgba(20, 60, 80, 0.12);
    --text: #0d2330;
    --muted: #4b6774;
    --faint: #85a0ad;
    --accent: #0d9488;
    --accent-2: #0284c7;
    --accent-ink: #ffffff;
    --p: #2563eb;
    --qrs: #e4572e;
    --t: #0d9488;
    --base: #8aa0ab;
    --pos: #059669;
    --neg: #ea580c;
    --trace: #0f766e;
    --trace-2: #64808d;
    --grid: rgba(15, 118, 110, 0.1);
    --ok: #059669;
    --warn: #b45309;
    --alert: #e11d48;
    --heart: #e5484d;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #e9f1f4;
  --glow-1: rgba(45, 212, 191, 0.22);
  --glow-2: rgba(56, 132, 246, 0.16);
  --glow-3: rgba(244, 114, 182, 0.08);
  --paper: rgba(13, 148, 136, 0.045);
  --glass: rgba(255, 255, 255, 0.58);
  --glass-strong: rgba(255, 255, 255, 0.78);
  --glass-border: rgba(15, 45, 60, 0.09);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --shadow: 0 18px 45px rgba(20, 60, 80, 0.12);
  --text: #0d2330;
  --muted: #4b6774;
  --faint: #85a0ad;
  --accent: #0d9488;
  --accent-2: #0284c7;
  --accent-ink: #ffffff;
  --p: #2563eb;
  --qrs: #e4572e;
  --t: #0d9488;
  --base: #8aa0ab;
  --pos: #059669;
  --neg: #ea580c;
  --trace: #0f766e;
  --trace-2: #64808d;
  --grid: rgba(15, 118, 110, 0.1);
  --ok: #059669;
  --warn: #b45309;
  --alert: #e11d48;
  --heart: #e5484d;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 15px/1.55 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 700px at 8% -10%, var(--glow-1), transparent 60%),
    radial-gradient(900px 600px at 105% 10%, var(--glow-2), transparent 60%),
    radial-gradient(800px 500px at 50% 115%, var(--glow-3), transparent 60%),
    /* faint ECG-paper grid */
    linear-gradient(var(--paper) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, var(--paper) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--bg);
  background-attachment: fixed;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 13px ui-monospace, "Cascadia Code", Consolas, monospace; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 18px 16px 40px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 14px; margin-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.22), rgba(45, 212, 191, 0.18));
  border: 1px solid var(--glass-border);
}
.brand-mark svg { width: 22px; height: 22px; color: var(--heart); transform-origin: 50% 60%; }
.brand-mark.beat svg { animation: heartbeat 0.42s cubic-bezier(.3, .7, .3, 1); }
.brand-name { font-weight: 700; letter-spacing: -0.01em; font-size: 17px; }
.brand-tag { color: var(--muted); font-size: 12.5px; margin-left: 2px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  color: var(--muted); padding: 7px 12px; border-radius: 10px; font-size: 14px; font-weight: 500;
  transition: background .2s, color .2s;
}
.nav a:hover { background: var(--glass-strong); color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--glass-strong); }
.icon-btn {
  width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--glass-border);
  background: var(--glass); color: var(--muted); cursor: pointer; display: grid; place-items: center;
  transition: color .2s, background .2s;
}
.icon-btn:hover { color: var(--text); background: var(--glass-strong); }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- glass ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 var(--glass-highlight);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  min-width: 0;
}
.card { padding: 16px; }
.rise { animation: rise .7s cubic-bezier(.2, .75, .2, 1) both; animation-delay: var(--d, 0s); }

.card-title {
  display: flex; align-items: center; gap: 8px; margin: 0 0 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.card-title .spacer { flex: 1; }
h1 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 8px; letter-spacing: -0.01em; }
.sub { color: var(--muted); margin: 0 0 14px; font-size: 14px; }
.note { color: var(--muted); font-size: 12.5px; }

/* ---------- controls ---------- */
button, select, input { font: inherit; }
.btn, .select {
  height: 36px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--glass-border);
  background: var(--glass-strong); color: var(--text); cursor: pointer; font-size: 14px;
  transition: border-color .2s, background .2s, transform .1s;
}
.btn:hover, .select:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.select { padding-right: 30px; appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 15px, calc(100% - 11px) 15px; background-size: 5px 5px; background-repeat: no-repeat; }
.select option, .select optgroup { background: var(--bg); color: var(--text); }
.toggle { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; cursor: pointer; }
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }
input[type="range"] { accent-color: var(--accent); }
.seg { display: inline-flex; padding: 3px; border-radius: 11px; background: var(--glass); border: 1px solid var(--glass-border); }
.seg button {
  border: 0; background: transparent; color: var(--muted); padding: 5px 12px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: background .2s, color .2s;
}
.seg button[aria-pressed="true"] { background: var(--glass-strong); color: var(--text); box-shadow: inset 0 1px 0 var(--glass-highlight); }
.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  border: 1px solid var(--glass-border); background: var(--glass); color: var(--text);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 14px; transition: all .2s;
}
.pill:hover { border-color: var(--accent); }
.pill[aria-pressed="true"] { background: var(--accent); border-color: transparent; color: var(--accent-ink); font-weight: 600; }

/* ---------- chips / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 500; border: 1px solid var(--glass-border); background: var(--glass); color: var(--muted);
  white-space: nowrap;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.chip.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.chip.alert { color: var(--alert); border-color: color-mix(in srgb, var(--alert) 35%, transparent); background: color-mix(in srgb, var(--alert) 10%, transparent); }
.chip.live .dot { animation: blink 1.6s infinite; }

/* ---------- vitals tiles ---------- */
.vitals { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.vital { padding: 12px 14px; }
.vital .k { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.vital .v { font-size: 24px; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.25; }
.vital .v small { font-size: 12.5px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.vital .hint { font-size: 11.5px; color: var(--faint); }
.vital.flag .v { color: var(--warn); }
@media (max-width: 900px) { .vitals { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 480px) { .vitals { grid-template-columns: repeat(2, minmax(0, 1fr)); } .vital .v { font-size: 20px; } }

/* ---------- probability bars ---------- */
.probs { display: grid; gap: 9px; }
.prob { display: grid; grid-template-columns: minmax(0, 1fr) 54px; gap: 4px 10px; align-items: center; }
.prob .name { font-size: 14px; display: flex; align-items: center; gap: 6px; min-width: 0; }
.prob .name span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prob .pct { font-variant-numeric: tabular-nums; text-align: right; font-weight: 600; font-size: 14px; }
.prob .bar { grid-column: 1 / -1; position: relative; height: 8px; border-radius: 99px; background: var(--glass-strong); overflow: visible; }
.prob .fill {
  position: absolute; inset: 0 auto 0 0; width: 0; border-radius: 99px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent-2) 70%, transparent), var(--accent-2));
  transition: width 1s cubic-bezier(.2, .8, .2, 1);
}
.prob.hit .fill { background: linear-gradient(90deg, color-mix(in srgb, var(--qrs) 65%, transparent), var(--qrs)); box-shadow: 0 0 14px color-mix(in srgb, var(--qrs) 45%, transparent); }
.prob.site .fill { background: linear-gradient(90deg, color-mix(in srgb, var(--warn) 60%, transparent), var(--warn)); box-shadow: 0 0 14px color-mix(in srgb, var(--warn) 45%, transparent); }
.prob .thr { position: absolute; top: -3px; bottom: -3px; width: 2px; border-radius: 2px; background: var(--text); opacity: .55; }
.truth { font-size: 11px; color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 40%, transparent); border-radius: 6px; padding: 0 5px; }

.drivers { display: grid; gap: 6px; margin-top: 6px; }
.driver { display: grid; grid-template-columns: 110px minmax(0, 1fr) 46px; gap: 8px; align-items: center; font-size: 13px; }
.driver .track { height: 6px; border-radius: 99px; background: var(--glass-strong); position: relative; }
.driver .track i { position: absolute; inset: 0 auto 0 0; border-radius: 99px; transition: width .9s cubic-bezier(.2, .8, .2, 1); }
.driver .num { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.feature-list { margin: 8px 0 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: 13px; }
.feature-list li { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); }
.feature-list b { color: var(--text); font-weight: 600; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 7px 8px; border-bottom: 1px solid var(--glass-border); }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--muted); font-weight: 600; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
td.flag { color: var(--qrs); font-weight: 650; }

/* ---------- motion ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(14px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes heartbeat { 0% { transform: scale(1); } 30% { transform: scale(1.22); } 55% { transform: scale(.96); } 100% { transform: scale(1); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}