/* ==========================================================================
   VitalLens — design tokens (dataviz-skill palette, brand-mapped)
   cardiac = red slot · pulmonary = aqua slot · combined/neutral = blue slot
   ========================================================================== */
:root {
  color-scheme: light;
  --surface-0: #f9f9f7;
  --surface-1: #ffffff;
  --surface-2: #f3f3f0;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #64635e;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --baseline: #c3c2b7;
  --field-border: #8a8980;   /* ≥3:1 against white and surface-2 (WCAG 1.4.11) */

  --cardiac: #e34948;
  --cardiac-soft: #fbe4e3;
  --pulmonary: #1baf7a;
  --pulmonary-soft: #e0f5ec;
  --combined: #2a78d6;
  --combined-soft: #e4eefb;
  /* text-safe variants (≥4.5:1 on every light surface); bright tokens stay for fills and charts */
  --cardiac-text: #b8302f;
  --pulmonary-text: #0e7a55;
  --combined-text: #1f63b8;
  --cardiac-strong: #c53a39;   /* button fill under white text, 5.2:1 */
  --pulmonary-strong: #0e7a55; /* 5.3:1 */

  --good: #0ca30c;
  --good-text: #087a08;
  --warning: #fab219;
  --warning-text: #8a5a00;
  --serious: #ec835a;
  --critical: #d03b3b;
  --critical-text: #b3261e;

  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;
  --shadow-card: 0 1px 2px rgba(11,11,11,.04), 0 8px 24px rgba(11,11,11,.06);
  --font: -apple-system, "Segoe UI", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --max-w: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-0: #0d0d0d;
    --surface-1: #17181a;
    --surface-2: #1e1f22;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #9a9da4;
    --gridline: #2c2c2a;
    --border: rgba(255,255,255,0.10);
    --baseline: #383835;
  --field-border: #7b7e85;
    --field-border: #7b7e85;

    --cardiac: #e66767;
    --cardiac-soft: #3a1f20;
    --pulmonary: #199e70;
    --pulmonary-soft: #123227;
    --combined: #3987e5;
    --combined-soft: #12233a;
    --cardiac-text: #ff8a8a;
    --pulmonary-text: #35c08d;
    --combined-text: #7fb3f5;
    --good-text: #4cc24c;
    --warning-text: #ffd479;
    --critical-text: #ff7b7b;

    --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #0d0d0d;
  --surface-1: #17181a;
  --surface-2: #1e1f22;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #9a9da4;
  --gridline: #2c2c2a;
  --border: rgba(255,255,255,0.10);
  --baseline: #383835;
  --field-border: #7b7e85;

  --cardiac: #e66767;
  --cardiac-soft: #3a1f20;
  --pulmonary: #199e70;
  --pulmonary-soft: #123227;
  --combined: #3987e5;
  --combined-soft: #12233a;
  --cardiac-text: #ff8a8a;
  --pulmonary-text: #35c08d;
  --combined-text: #7fb3f5;
  --good-text: #4cc24c;
  --warning-text: #ffd479;
  --critical-text: #ff7b7b;

  --shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--surface-0);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;          /* Korean: break between words, not inside them */
  overflow-wrap: break-word;
}
code, .code-note, .mono, .ref-list a, .src a { overflow-wrap: anywhere; }
img, svg { max-width: 100%; }
a { color: inherit; }
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ---------- nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border);
}
/* The blur lives on a pseudo-element: backdrop-filter on .site-nav itself would make it the containing
   block for the fixed mobile menu, squeezing the menu into the 64px bar. */
.site-nav::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--surface-0) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.site-nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; text-decoration: none; color: var(--text-primary); letter-spacing: -0.01em; }
.brand .mark { width: 28px; height: 28px; flex: none; }
.nav-links { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--text-secondary); font-size: 14.5px; font-weight: 600;
  padding: 8px 14px; border-radius: 999px; transition: background .15s, color .15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--surface-2); color: var(--text-primary); }
.nav-cta {
  background: var(--text-primary) !important; color: var(--surface-0) !important;
}
.theme-toggle {
  border: 1px solid var(--border); background: var(--surface-1); color: var(--text-secondary);
  width: 36px; height: 36px; border-radius: 999px; cursor: pointer; display: grid; place-items: center;
  margin-left: 4px; font-size: 15px;
}
.nav-toggle-btn { display: none; }

@media (max-width: 860px) {
  .nav-links { position: fixed; inset: 64px 0 0 0; flex-direction: column; align-items: stretch; background: var(--surface-0); padding: 12px; gap: 2px; transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .18s, transform .18s; }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .nav-links a { padding: 14px 16px; font-size: 16px; }
  .nav-toggle-btn { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-1); color: var(--text-primary); cursor: pointer; }
}

/* ---------- hero ---------- */
.hero { padding: 88px 0 64px; position: relative; overflow: clip; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; background: var(--combined-soft); color: var(--combined-text);
  border: 1px solid color-mix(in srgb, var(--combined) 30%, transparent); margin-bottom: 24px;
}
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 800; }
.hero .accent-cardiac { color: var(--cardiac-text); }
.hero .accent-pulmonary { color: var(--pulmonary-text); }
.hero p.lead { font-size: clamp(16px, 1.7vw, 19px); color: var(--text-secondary); max-width: 640px; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px;
  padding: 13px 24px; border-radius: 999px; text-decoration: none; border: 1px solid transparent;
  cursor: pointer; transition: transform .12s, box-shadow .12s, opacity .12s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--text-primary); color: var(--surface-0); }
.btn-primary:hover { opacity: .88; }
.btn-outline { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-outline:hover { background: var(--surface-2); }
.btn-cardiac { background: var(--cardiac-strong); color: #fff; }
.btn-pulmonary { background: var(--pulmonary-strong); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ---------- section scaffolding ---------- */
section { padding: 72px 0; }
section.tight { padding: 40px 0; }
.section-eyebrow { font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 10px; }
.section-title { font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: -0.015em; margin: 0 0 14px; }
.section-lead { color: var(--text-secondary); max-width: 680px; font-size: 16.5px; margin: 0 0 40px; }
.divider { height: 1px; background: var(--gridline); border: 0; margin: 0; }

/* ---------- grid / cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid > * { min-width: 0; }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); } }

.card {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-l);
  padding: 28px; box-shadow: var(--shadow-card);
}
.card h3 { margin: 0 0 10px; font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
.card p { color: var(--text-secondary); font-size: 14.5px; margin: 0; }
.card .icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; }
.icon-cardiac { background: var(--cardiac-soft); color: var(--cardiac-text); }
.icon-pulmonary { background: var(--pulmonary-soft); color: var(--pulmonary-text); }
.icon-combined { background: var(--combined-soft); color: var(--combined-text); }

.stat-tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-m); padding: 22px; }
.stat-tile .num { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-tile .label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.stat-tile .src { font-size: 11.5px; color: var(--text-muted); margin-top: 10px; }
.stat-tile .src a { color: var(--text-muted); }

/* ---------- gap-map bars (evidence chart) ---------- */
.barlist { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.barrow { display: grid; grid-template-columns: 128px 1fr 56px; align-items: center; gap: 10px; font-size: 13px; }
.barrow .name { color: var(--text-secondary); }
.bartrack { position: relative; height: 22px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.barfill { position: absolute; inset: 0 auto 0 0; border-radius: 6px; transition: width .6s cubic-bezier(.2,.8,.2,1); }
.barrow .val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; }
.chart-legend { display: flex; gap: 18px; font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.chart-toolbar { display: flex; justify-content: flex-end; margin-bottom: 6px; }
.table-toggle-btn { font-size: 12.5px; color: var(--text-muted); background: none; border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; cursor: pointer; }
.evidence-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 10px; display: none; }
.evidence-table.show { display: table; }
.evidence-table th, .evidence-table td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--gridline); }
.evidence-table th { color: var(--text-muted); font-weight: 700; }

/* ---------- evidence cite cards ---------- */
.cite-card {
  border: 1px solid var(--border); border-radius: var(--radius-m); padding: 20px; background: var(--surface-1);
}
.cite-card .headline { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.cite-card .metric { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; }
.cite-card .metric small { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.cite-card .src { font-size: 12.5px; color: var(--text-muted); margin-top: 10px; }
.cite-card .src a { color: var(--combined-text); text-decoration: none; }
.cite-card .src a:hover { text-decoration: underline; }
.pill { display: inline-block; font-size: 11px; font-weight: 800; padding: 3px 9px; border-radius: 999px; letter-spacing: .02em; }
.pill-cardiac { background: var(--cardiac-soft); color: var(--cardiac-text); }
.pill-pulmonary { background: var(--pulmonary-soft); color: var(--pulmonary-text); }
.pill-neutral { background: var(--surface-2); color: var(--text-secondary); }

/* ---------- process / steps ---------- */
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { display: grid; grid-template-columns: 40px 1fr; gap: 16px; border: 1px solid var(--border); border-radius: var(--radius-m); padding: 18px 20px; background: var(--surface-1); }
.step .n { counter-increment: step; width: 36px; height: 36px; border-radius: 50%; background: var(--surface-2); color: var(--text-primary); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.step h3, .step h4 { margin: 0 0 4px; font-size: 15.5px; }
.step p { margin: 0; color: var(--text-secondary); font-size: 14px; }

/* ---------- callout / disclaimer ---------- */
.callout { border-radius: var(--radius-m); padding: 18px 20px; font-size: 14px; border: 1px solid; display: flex; gap: 12px; }
.callout .ic { flex: none; font-size: 18px; line-height: 1; }
.callout-warn { background: color-mix(in srgb, var(--warning) 12%, var(--surface-1)); border-color: color-mix(in srgb, var(--warning) 40%, transparent); color: var(--text-primary); }
.callout-info { background: var(--combined-soft); border-color: color-mix(in srgb, var(--combined) 30%, transparent); }
.callout-critical { background: color-mix(in srgb, var(--critical) 10%, var(--surface-1)); border-color: color-mix(in srgb, var(--critical) 35%, transparent); }

/* ---------- demo widgets ---------- */
.demo-shell { border: 1px solid var(--border); border-radius: var(--radius-l); background: var(--surface-1); overflow: hidden; box-shadow: var(--shadow-card); }
.demo-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 16px 22px; border-bottom: 1px solid var(--border); }
.demo-head h2, .demo-head h3 { margin: 0; font-size: 16px; }
.mode-switch { display: inline-flex; background: var(--surface-2); border-radius: 999px; padding: 3px; border: 1px solid var(--field-border); }
.mode-switch button { border: 0; background: transparent; padding: 7px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 700; cursor: pointer; color: var(--text-secondary); white-space: nowrap; }
.mode-switch button.active { background: var(--surface-1); color: var(--text-primary); box-shadow: inset 0 0 0 2px var(--text-primary); }
.demo-body { padding: 22px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; }
.demo-body.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.demo-body.one-col { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 760px) { .demo-body, .demo-body.two-col { grid-template-columns: minmax(0, 1fr); } }
.video-frame { position: relative; aspect-ratio: 4/3; background: #000; border-radius: var(--radius-m); overflow: hidden; }
.video-frame video, .video-frame canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-frame video { transform: scaleX(-1); }  /* mirrored like the check-in preview; the ROI is centred, so mirroring does not change it */
.roi-oval { position: absolute; left: 50%; top: 46%; width: 42%; height: 58%; transform: translate(-50%,-50%); border: 2px dashed rgba(255,255,255,.65); border-radius: 50%; pointer-events: none; }
.video-overlay-msg { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; background: rgba(0,0,0,.55); text-align: center; padding: 20px; font-size: 13.5px; }
.readout { text-align: center; padding: 10px 0; }
.readout .bpm { font-size: 56px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1; color: var(--cardiac-text); }
.readout .bpm.bpm-pulmonary { color: var(--pulmonary-text); }
.readout .bpm .u { font-size: 16px; color: var(--text-muted); font-weight: 700; }
.readout .quality { font-size: 12.5px; color: var(--text-muted); margin-top: 6px; }
.wave-canvas { width: 100%; height: 70px; display: block; background: var(--surface-2); border-radius: 8px; margin-top: 10px; }
.side-panel { display: flex; flex-direction: column; gap: 14px; }
.mini-card { background: var(--surface-2); border-radius: var(--radius-m); padding: 14px 16px; }
.mini-card label { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; display: block; margin-bottom: 8px; }
.slider-row { display: flex; align-items: center; gap: 10px; }
.slider-row input[type=range] { flex: 1; }
.slider-val { width: 34px; text-align: right; font-weight: 800; font-variant-numeric: tabular-nums; }
input[type=number], select {
  width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--field-border);
  background: var(--surface-1); color: var(--text-primary); font-size: 14px; font-family: var(--font);
}
.zone-bar { height: 14px; border-radius: 7px; background: linear-gradient(90deg, var(--combined) 0%, var(--good) 35%, var(--warning) 65%, var(--critical) 100%); position: relative; margin-top: 10px; }
.zone-marker { position: absolute; top: -5px; width: 3px; height: 24px; background: var(--text-primary); border-radius: 2px; }
.big-timer { font-size: 46px; font-weight: 800; font-variant-numeric: tabular-nums; text-align: center; }
.rep-count { font-size: 64px; font-weight: 800; text-align: center; color: var(--pulmonary-text); font-variant-numeric: tabular-nums; line-height: 1; }
.anchor-text { font-size: 12.5px; color: var(--text-secondary); margin-top: 4px; min-height: 1.4em; }
.notice { margin-top: 10px; font-size: 13px; padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--warning) 14%, var(--surface-1)); color: var(--text-primary); }

.risk-flow { display: grid; gap: 10px; }
.risk-q { border: 1px solid var(--border); border-radius: var(--radius-m); padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--surface-1); }
.risk-q span.q { font-size: 14px; }
.toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; flex: none; }
.toggle button { border: 0; background: var(--surface-1); padding: 7px 14px; font-size: 12.5px; font-weight: 700; cursor: pointer; color: var(--text-secondary); }
.toggle button.on { background: var(--text-primary); color: var(--surface-0); }
.risk-result { border-radius: var(--radius-m); padding: 18px 20px; font-weight: 700; text-align: center; font-size: 15px; }
.risk-low { background: color-mix(in srgb, var(--good) 14%, var(--surface-1)); color: var(--good-text); }
.risk-mid { background: color-mix(in srgb, var(--warning) 18%, var(--surface-1)); color: var(--warning-text); }
.risk-high { background: color-mix(in srgb, var(--critical) 14%, var(--surface-1)); color: var(--critical-text); }
.risk-contra { background: var(--critical-text); color: var(--surface-1); }
.risk-q-contra { border-color: color-mix(in srgb, var(--critical) 45%, transparent); }
.text-critical { color: var(--critical-text); font-weight: 700; }

/* ---------- timeline ---------- */
.roadmap { display: grid; gap: 0; border-left: 2px solid var(--gridline); margin-left: 8px; }
.rm-item { position: relative; padding: 4px 0 28px 26px; }
.rm-item::before { content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--combined); border: 3px solid var(--surface-0); }
.rm-item .when { font-size: 12px; font-weight: 800; color: var(--combined-text); letter-spacing: .04em; text-transform: uppercase; }
.rm-item h3, .rm-item h4 { margin: 4px 0 4px; font-size: 15.5px; }
.rm-item p { margin: 0; color: var(--text-secondary); font-size: 13.5px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 40px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--text-muted); }
footer a { color: var(--text-muted); }

/* ---------- utility ---------- */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.small { font-size: 12.5px; color: var(--text-muted); }
.kicker { font-weight: 800; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 0; }
.tag { font-size: 12px; font-weight: 700; background: var(--surface-2); color: var(--text-secondary); padding: 5px 11px; border-radius: 999px; }
.fade-in { animation: fadeIn .5s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px);} to { opacity:1; transform:none;} }
@media (prefers-reduced-motion: reduce) {
  .fade-in { animation: none; }
  html { scroll-behavior: auto; }
  .barfill { transition: none; }
}
.diagram { width: 100%; height: auto; }
.code-note { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; background: var(--surface-2); padding: 2px 6px; border-radius: 4px; }

/* ---------- data tables, forms, plots (validation / agent pages) ---------- */
.table-scroll { overflow-x: auto; position: relative; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.data-table caption { text-align: left; font-size: 13px; color: var(--text-secondary); padding: 0 0 8px; }
.data-table th, .data-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--gridline); vertical-align: top; }
.data-table thead th { color: var(--text-muted); font-weight: 700; font-size: 12.5px; }
.data-table tbody th { font-weight: 600; }
.data-table.compact th, .data-table.compact td { padding: 6px 8px; font-size: 12.5px; }
.data-table tr.hl { background: var(--pulmonary-soft); }
.data-table td.bad { color: var(--critical-text); font-weight: 700; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.label-sm { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.bpm-sm { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.2; }
.form-grid { display: grid; grid-template-columns: auto 1fr; gap: 8px 10px; align-items: center; }
.form-grid label { font-size: 12.5px; font-weight: 700; color: var(--text-secondary); margin: 0; text-transform: none; letter-spacing: 0; }
input[type=text], input[type=password], textarea { width: 100%; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--field-border); background: var(--surface-1); color: var(--text-primary); font-size: 14px; font-family: var(--font); }
.linkish { background: none; border: 0; color: var(--combined-text); cursor: pointer; font-size: 12.5px; padding: 0; }
.ba-plot { width: 100%; height: auto; display: block; margin-top: 8px; }
.axis-label { font-size: 11px; fill: var(--text-muted); font-family: var(--font); }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "▸ "; }
details[open] > summary::before { content: "▾ "; }
:focus-visible { outline: 2px solid var(--combined); outline-offset: 2px; }

/* ---------- agent page ---------- */
.timeline { display: flex; flex-direction: column; gap: 8px; max-height: 560px; overflow-y: auto; padding-right: 4px; margin-top: 10px; }
.tl-card { border: 1px solid var(--border); border-left-width: 4px; border-radius: 10px; padding: 10px 12px; background: var(--surface-1); font-size: 13.5px; }
.tl-card p { margin: 4px 0 0; color: var(--text-secondary); font-size: 13.5px; }
.tl-head { font-weight: 700; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tl-veto { border-left-color: var(--critical); }
.tl-check { border-left-color: var(--combined); }
.tl-phase { border-left-color: var(--pulmonary); }
.tl-coach { border-left-color: var(--combined); }
.tl-model { border-left-color: var(--baseline); background: var(--surface-2); }
.tl-model summary { cursor: pointer; font-weight: 700; font-size: 12.5px; color: var(--text-secondary); }
.tl-info, .tl-end { border-left-color: var(--baseline); }
.tl-instr { color: var(--text-primary) !important; }
.badge { font-size: 11.5px; font-weight: 800; padding: 2px 8px; border-radius: 999px; }
.badge-ok { background: color-mix(in srgb, var(--good) 16%, var(--surface-1)); color: var(--text-primary); }
.badge-warn { background: color-mix(in srgb, var(--warning) 26%, var(--surface-1)); color: var(--text-primary); }
.badge-veto { background: color-mix(in srgb, var(--critical) 18%, var(--surface-1)); color: var(--text-primary); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11.5px; }
.form-label { font-size: 12.5px; font-weight: 700; color: var(--text-secondary); }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; margin-right: 12px; cursor: pointer; }
.ref-list { padding-left: 18px; margin: 8px 0; font-size: 13.5px; color: var(--text-secondary); }
.ref-list li { margin-bottom: 8px; }
.ref-list a { color: var(--combined-text); }
dialog { border: 1px solid var(--border); border-radius: var(--radius-l); background: var(--surface-1); color: var(--text-primary); max-width: 520px; width: calc(100% - 32px); max-height: calc(100dvh - 32px); overflow-y: auto; padding: 22px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog h2 { margin: 0 0 6px; font-size: 19px; }
.dlg-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.dlg-error { color: var(--critical-text); font-size: 13px; font-weight: 700; min-height: 1.2em; margin: 6px 0 0; }
.scale { border: 1px solid var(--border); border-radius: 10px; margin: 10px 0; padding: 8px 10px; }
.scale legend { font-size: 12.5px; font-weight: 700; color: var(--text-secondary); padding: 0 4px; }
.scale-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 4px; }
.scale-grid label { display: flex; gap: 6px; align-items: center; font-size: 12.5px; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.scale-grid label:has(input:checked) { background: var(--combined-soft); font-weight: 700; }
.scale-grid .n { font-weight: 800; font-variant-numeric: tabular-nums; min-width: 1.6em; }
.phase-timer { font-size: 54px; font-weight: 800; font-variant-numeric: tabular-nums; text-align: center; margin: 8px 0; }
.phase-targets { text-align: center; font-size: 14px; color: var(--text-secondary); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog h3 { margin: 0 0 6px; }
.ci-video-wrap { position: relative; aspect-ratio: 4/3; background: #000; border-radius: 10px; overflow: hidden; margin: 10px 0; }
.ci-video-wrap video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
fieldset.sym { border: 1px solid var(--border); border-radius: 10px; margin: 12px 0; padding: 8px 12px; }
fieldset.sym legend { font-size: 12.5px; font-weight: 700; color: var(--text-secondary); padding: 0 4px; }
fieldset.sym .check { display: flex; margin: 6px 0; }
.skip-link { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--text-primary); color: var(--surface-0); padding: 10px 14px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 12px; }

/* ---------- responsive diagram pairs (wide drawing on desktop, stacked drawing on phones) ---------- */
.diagram-tall { display: none; }
@media (max-width: 640px) { .diagram-wide { display: none; } .diagram-tall { display: block; max-width: 360px; margin: 0 auto; } }
.chart-svg { width: 100%; height: auto; display: block; }
.chart-tip { position: absolute; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; font-size: 12px; box-shadow: var(--shadow-card); white-space: nowrap; }
.legend-line { display: inline-block; width: 18px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.card h2.h-card { margin: 0 0 10px; font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
@media (max-width: 480px) { .form-grid { grid-template-columns: minmax(0, 1fr); } .form-grid > label { margin-top: 6px; } }