/* VeritasXR design system.
 * Generated from ui-ux-pro-max: Minimalism & Swiss Style, variance 3,
 * motion 3 (subtle), density 7. See design-system/veritasxr/MASTER.md.
 *
 * The "Enterprise Gateway" page pattern that search returned was discarded:
 * it is a sales template (Contact Sales, Solutions by Industry, logo
 * carousels) and this is a research artifact. Style, palette and type
 * pairing are kept.
 */

@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #1E40AF;
  --color-on-primary: #FFFFFF;
  --color-secondary: #3B82F6;
  --color-accent: #D97706;
  --color-on-accent: #000000;
  --color-background: #F8FAFC;
  --color-foreground: #1E3A8A;
  --color-card: #FFFFFF;
  --color-card-foreground: #1E3A8A;
  --color-muted: #E9EEF6;
  --color-muted-foreground: #475569;
  --color-border: #DBEAFE;
  --color-destructive: #DC2626;
  --color-on-destructive: #FFFFFF;
  --color-ring: #1E40AF;

  /* Triage bands. Never the only signal -- each is paired with a shape and a
   * text label, because conveying meaning by colour alone is a WCAG failure
   * and this is exactly the kind of UI where that matters. */
  --triage-high: #15803D;
  --triage-moderate: #D97706;
  --triage-low: #DC2626;

  /* Series colours for charts. Distinguished by dash pattern and point shape
   * as well as hue -- hue alone is insufficient per the chart guidance. */
  --series-1: #1E40AF;
  --series-2: #0F766E;
  --series-3: #B45309;
  --series-4: #7E22CE;
  --series-5: #475569;

  --font-head: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body: 'Fira Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Density 7: standard dashboard scale */
  --space-1: 4px;  --space-2: 8px;  --space-3: 16px;
  --space-4: 24px; --space-5: 32px; --space-6: 48px; --space-7: 64px;

  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow: 0 2px 8px rgba(15, 23, 42, .08);
  --dur: 220ms;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --maxw: 1200px;
}

:root:not([data-theme="light"]) {
  @media (prefers-color-scheme: dark) {
    --color-background: #0B1220;
    --color-foreground: #E2E8F5;
    --color-card: #121B2E;
    --color-card-foreground: #E2E8F5;
    --color-muted: #1B2640;
    --color-muted-foreground: #9AA8C4;
    --color-border: #26324C;
    --color-primary: #7DA2FF;
    --color-on-primary: #08111F;
    --color-secondary: #A9C4FF;
    --color-accent: #F0A93B;
    --color-ring: #7DA2FF;
    --triage-high: #4ADE80;
    --triage-moderate: #F0A93B;
    --triage-low: #F87171;
    --series-1: #7DA2FF; --series-2: #5EEAD4; --series-3: #FBBF24;
    --series-4: #D8B4FE; --series-5: #94A3B8;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --shadow: 0 2px 10px rgba(0, 0, 0, .45);
  }
}

:root[data-theme="dark"] {
  --color-background: #0B1220;
  --color-foreground: #E2E8F5;
  --color-card: #121B2E;
  --color-card-foreground: #E2E8F5;
  --color-muted: #1B2640;
  --color-muted-foreground: #9AA8C4;
  --color-border: #26324C;
  --color-primary: #7DA2FF;
  --color-on-primary: #08111F;
  --color-secondary: #A9C4FF;
  --color-accent: #F0A93B;
  --color-ring: #7DA2FF;
  --triage-high: #4ADE80;
  --triage-moderate: #F0A93B;
  --triage-low: #F87171;
  --series-1: #7DA2FF; --series-2: #5EEAD4; --series-3: #FBBF24;
  --series-4: #D8B4FE; --series-5: #94A3B8;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 2px 10px rgba(0, 0, 0, .45);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font: 400 16px/1.6 var(--font-body);
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0 0 var(--space-3);
  text-wrap: balance;      /* avoids orphan heading lines */
}
h1 { font-size: clamp(1.6rem, 1.1rem + 2vw, 2.4rem); }
h2 { font-size: clamp(1.25rem, 1rem + 1vw, 1.6rem); }
h3 { font-size: 1.05rem; }
p  { margin: 0 0 var(--space-3); max-width: 72ch; }

a { color: var(--color-primary); text-decoration-thickness: 1px; text-underline-offset: 2px; }

/* Focus is never removed -- only replaced with something clearer. */
:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 3px;
}

.skip-link {
  position: absolute; left: var(--space-3); top: -3rem;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius);
  z-index: 100; transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--space-3); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-3); }

/* ---------- header ---------- */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--color-background) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-inner {
  max-width: var(--maxw); margin: 0 auto; padding: var(--space-3);
  display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap;
}
.brand {
  font-family: var(--font-head); font-weight: 700; font-size: 1.05rem;
  letter-spacing: -.02em; color: var(--color-foreground); text-decoration: none;
}
.brand span { color: var(--color-primary); }
nav.site { display: flex; gap: var(--space-1); margin-left: auto; align-items: center; }
nav.site a, .icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  min-height: 44px; padding: 0 var(--space-3);   /* 44px touch target */
  border-radius: var(--radius); text-decoration: none;
  color: var(--color-muted-foreground); font-size: .94rem;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
nav.site a:hover, .icon-btn:hover { background: var(--color-muted); color: var(--color-foreground); }
nav.site a[aria-current="page"] { color: var(--color-primary); background: var(--color-muted); font-weight: 500; }
.icon-btn { min-width: 44px; background: none; border: 1px solid var(--color-border); cursor: pointer; }

/* ---------- disclaimer: deliberately unmissable ---------- */
.disclaimer {
  background: var(--color-destructive); color: var(--color-on-destructive);
  padding: var(--space-3); font-size: .93rem;
}
.disclaimer .wrap { display: flex; gap: var(--space-3); align-items: flex-start; }
.disclaimer strong { font-family: var(--font-head); letter-spacing: -.01em; }
.disclaimer svg { flex: 0 0 auto; margin-top: 2px; }

/* ---------- layout ---------- */
main { padding: var(--space-6) 0 var(--space-7); }
section { margin-bottom: var(--space-7); scroll-margin-top: 90px; }
.lede { font-size: 1.06rem; color: var(--color-muted-foreground); max-width: 68ch; }

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--color-card); color: var(--color-card-foreground);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-4); box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: var(--space-2); }
.card .hint { color: var(--color-muted-foreground); font-size: .88rem; margin: 0; }

/* ---------- stat tiles ---------- */
.stat { display: flex; flex-direction: column; gap: var(--space-1); }
.stat .label {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-muted-foreground);
}
.stat .value { font-family: var(--font-head); font-size: 1.75rem; font-weight: 600; }
.stat .sub { font-size: .85rem; color: var(--color-muted-foreground); }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
caption { text-align: left; color: var(--color-muted-foreground); font-size: .88rem; padding-bottom: var(--space-2); }
th, td { padding: var(--space-2) var(--space-3); text-align: right; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
thead th {
  font-family: var(--font-head); font-size: .8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
  color: var(--color-muted-foreground); border-bottom: 2px solid var(--color-border);
}
tbody tr:hover { background: var(--color-muted); }
td.num { font-variant-numeric: tabular-nums; font-family: var(--font-head); }
tr.is-ours td { font-weight: 600; }
tr.is-ours td:first-child { box-shadow: inset 3px 0 0 var(--color-primary); }
.ci { color: var(--color-muted-foreground); font-size: .84rem; }

/* ---------- charts ---------- */
.chart-box { position: relative; height: 320px; }
.chart-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }
.btn {
  min-height: 44px; padding: 0 var(--space-4);
  display: inline-flex; align-items: center; gap: var(--space-2);
  font: 500 .94rem var(--font-body); cursor: pointer;
  border-radius: var(--radius); border: 1px solid var(--color-border);
  background: var(--color-card); color: var(--color-foreground);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { background: var(--color-muted); }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-primary) 88%, black); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Every chart ships a table fallback; hue alone is not an encoding. */
details.data-table { margin-top: var(--space-3); }
details.data-table summary {
  cursor: pointer; min-height: 44px; display: flex; align-items: center;
  font-size: .9rem; color: var(--color-primary);
}

/* ---------- upload ---------- */
.drop {
  border: 2px dashed var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4); text-align: center;
  background: var(--color-card); transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.drop.is-over { border-color: var(--color-primary); background: var(--color-muted); }
.drop h3 { margin-bottom: var(--space-2); }

/* ---------- triage: colour + shape + text, never colour alone ---------- */
.triage { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3); border-radius: var(--radius); border: 1px solid var(--color-border); }
.triage .glyph { width: 28px; height: 28px; flex: 0 0 auto; }
.triage[data-band="high"] { border-left: 4px solid var(--triage-high); }
.triage[data-band="moderate"] { border-left: 4px solid var(--triage-moderate); }
.triage[data-band="low"] { border-left: 4px solid var(--triage-low); }
.triage[data-band="refused"] { border-left: 4px solid var(--color-muted-foreground); }
.triage[data-band="high"] .glyph { color: var(--triage-high); }
.triage[data-band="moderate"] .glyph { color: var(--triage-moderate); }
.triage[data-band="low"] .glyph { color: var(--triage-low); }
.triage[data-band="refused"] .glyph { color: var(--color-muted-foreground); }

.meter { height: 8px; border-radius: 999px; background: var(--color-muted); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--color-primary); transition: width var(--dur) var(--ease); }

.cam-pair { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.cam { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); aspect-ratio: 1; background: var(--color-muted); }
.cam canvas { display: block; width: 100%; height: 100%; }
.cam figcaption { padding: var(--space-2) var(--space-3); font-size: .85rem; color: var(--color-muted-foreground); }

.badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  padding: 2px var(--space-2); border-radius: 999px;
  background: var(--color-muted); color: var(--color-muted-foreground);
  font-size: .78rem; font-family: var(--font-head); white-space: nowrap;
}
.badge-pending { background: color-mix(in srgb, var(--color-accent) 22%, transparent); color: var(--color-foreground); }

footer.site { border-top: 1px solid var(--color-border); padding: var(--space-5) 0; color: var(--color-muted-foreground); font-size: .9rem; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Subtle reveal, and nothing moves for people who asked it not to. */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 350ms var(--ease), transform 350ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- disclaimer toast ----------
 * Slides in, then leaves. A dismiss button and a pause-on-hover are not
 * decoration: content that disappears on a timer needs a way to keep it
 * (WCAG 2.2.1), and under reduced motion it appears rather than slides.
 * The standing caveat lives next to the result, where it is read.
 */
.toast {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 60;
  max-width: 420px;
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--color-destructive) 45%, var(--color-border));
  border-left: 4px solid var(--color-destructive);
  background: var(--color-card);
  color: var(--color-card-foreground);
  box-shadow: 0 10px 30px rgba(15, 23, 42, .18), var(--shadow);
  transform: translateY(140%);
  opacity: 0;
  transition: transform 420ms var(--ease), opacity 320ms var(--ease);
}
.toast.in { transform: translateY(0); opacity: 1; }
.toast .icon { flex: 0 0 auto; color: var(--color-destructive); margin-top: 1px; }
.toast p { margin: 0; font-size: .9rem; line-height: 1.5; }
.toast strong { font-family: var(--font-head); letter-spacing: -.01em; }
.toast .close {
  flex: 0 0 auto; margin-left: auto;
  width: 44px; height: 44px; margin: -10px -10px -10px 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 0; cursor: pointer;
  color: var(--color-muted-foreground); border-radius: var(--radius);
}
.toast .close:hover { background: var(--color-muted); color: var(--color-foreground); }

@media (max-width: 560px) {
  .toast { right: var(--space-3); left: var(--space-3); bottom: var(--space-3); max-width: none; }
}

/* The caveat that never leaves, sitting with the output it qualifies. */
.standing-note {
  display: flex; gap: var(--space-2); align-items: flex-start;
  margin-top: var(--space-3); padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--color-destructive);
  background: color-mix(in srgb, var(--color-destructive) 7%, transparent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: .85rem; color: var(--color-muted-foreground);
}
.standing-note strong { color: var(--color-foreground); }

@media (prefers-reduced-motion: reduce) {
  .toast { transition: opacity .01ms; transform: none; }
}