:root {
  color-scheme: light dark;
  --bg: #f3f6fa;
  --surface: #ffffff;
  --surface-2: #e9eef5;
  --text: #111827;
  --muted: #5b6677;
  --border: #cbd5e1;
  --accent: #087c75;
  --accent-strong: #05615c;
  --accent-text: #ffffff;
  --marker: #b45309;
  --marker-soft: rgba(245, 158, 11, .18);
  --warning-bg: #fff4d6;
  --warning-text: #6f4700;
  --danger: #b42318;
  --shadow: 0 14px 40px rgba(15, 23, 42, .10);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07101c;
    --surface: #101b2b;
    --surface-2: #18263a;
    --text: #eef6ff;
    --muted: #a8b6c8;
    --border: #34445a;
    --accent: #35c5b9;
    --accent-strong: #60d8cf;
    --accent-text: #03110f;
    --marker: #fbbf24;
    --marker-soft: rgba(251, 191, 36, .18);
    --warning-bg: #3a2b0d;
    --warning-text: #ffdc91;
    --danger: #ff8d82;
    --shadow: 0 16px 48px rgba(0, 0, 0, .34);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button, .file-button {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .65rem .9rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
button:hover, .file-button:hover { border-color: var(--accent); }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .file-button:focus-within { outline: 3px solid color-mix(in srgb, var(--accent), transparent 45%); outline-offset: 2px; }
button:disabled { opacity: .46; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 700; }
button.danger { color: var(--danger); }
h1, h2, h3 { margin: 0; line-height: 1.15; }
h1 { font-size: clamp(1.35rem, 3vw, 1.9rem); }
h2 { font-size: clamp(1.45rem, 4vw, 2.15rem); }
h3 { margin-top: 1.4rem; font-size: 1.05rem; }
p { line-height: 1.55; }
.fatal { padding: 2rem; color: var(--danger); }
.eyebrow { margin: 0 0 .3rem; color: var(--accent-strong); font-size: .72rem; font-weight: 800; letter-spacing: .11em; }
.small { font-size: .84rem; }
.muted { color: var(--muted); }

.onboarding { min-height: 100svh; display: grid; place-items: center; padding: max(1.2rem, env(safe-area-inset-top)) 1rem max(1.2rem, env(safe-area-inset-bottom)); }
.onboarding-card { width: min(100%, 660px); padding: clamp(1.2rem, 4vw, 2.5rem); background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.warning-block, .truth-strip { background: var(--warning-bg); color: var(--warning-text); border-left: 4px solid currentColor; border-radius: 8px; padding: .8rem 1rem; }
.warning-block p { margin-bottom: 0; }
.check-row { display: flex; align-items: flex-start; gap: .65rem; margin: 1.2rem 0; line-height: 1.4; }
.check-row input { width: 1.2rem; height: 1.2rem; }

.app-header { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: calc(.75rem + env(safe-area-inset-top)) max(1rem, env(safe-area-inset-left)) .75rem max(1rem, env(safe-area-inset-right)); background: color-mix(in srgb, var(--bg), transparent 6%); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.header-status { display: flex; flex-direction: column; align-items: flex-end; gap: .35rem; }
.badge { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 999px; padding: .3rem .6rem; background: var(--surface-2); color: var(--muted); font-size: .72rem; font-weight: 700; }
.badge.warning { background: var(--warning-bg); color: var(--warning-text); border-color: transparent; }
.save-status { color: var(--muted); font-size: .72rem; }
.global-message { width: min(100% - 2rem, 1120px); margin: 1rem auto 0; padding: .8rem 1rem; border-radius: 10px; background: var(--surface); border: 1px solid var(--border); }
.global-message.error { color: var(--danger); border-color: currentColor; }

main { width: min(100%, 1120px); margin: 0 auto; padding: 1.2rem 1rem calc(6.5rem + env(safe-area-inset-bottom)); }
.view { display: none; }
.view.active { display: block; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: .5rem 0 1rem; }
.truth-strip { margin: .8rem 0 1rem; font-size: .86rem; line-height: 1.45; }
.panel { margin: 1rem 0; padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem 1rem; }
.compact-form { display: grid; gap: .8rem; margin: 0; }
label { display: grid; gap: .38rem; color: var(--muted); font-size: .82rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 44px; border: 1px solid var(--border); border-radius: 10px; padding: .65rem .7rem; background: var(--bg); color: var(--text); }
input, select, textarea { font-size: 1rem; }
textarea { resize: vertical; }
.span-all, .actions { grid-column: 1 / -1; }
.actions { display: flex; gap: .7rem; align-items: center; margin-top: .2rem; }
.actions.wrap { flex-wrap: wrap; }
.range-pair { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
.box-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; margin-top: .6rem; padding: .7rem; border: 1px solid var(--border); border-radius: 10px; }
.box-grid legend { color: var(--muted); font-size: .78rem; }
.box-grid button { grid-column: 1 / -1; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: .9rem; }
.record-card { min-width: 0; padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.record-card header { display: flex; justify-content: space-between; gap: .75rem; align-items: flex-start; }
.record-card p { margin: .45rem 0; }
.record-card .metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; margin: .8rem 0; }
.metric { padding: .55rem; background: var(--surface-2); border-radius: 9px; }
.metric span { display: block; color: var(--muted); font-size: .72rem; }
.metric strong { display: block; margin-top: .15rem; font-variant-numeric: tabular-nums; }
.empty-state { padding: 2rem 1rem; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 14px; }

.capture-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .7fr); gap: 1rem; align-items: start; }
.camera-stage { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border-radius: 16px; background: #02060b; border: 1px solid var(--border); }
.camera-stage video, .camera-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.camera-stage canvas { touch-action: none; }
#camera-placeholder { position: absolute; inset: 0; display: grid; place-items: center; padding: 2rem; color: #d7e3f4; text-align: center; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; }
.capture-thumb { overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 13px; }
.capture-thumb img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.capture-thumb div { padding: .6rem; }

.run-status { margin: 1rem 0; color: var(--muted); }
.trajectory-chart { width: 100%; height: auto; max-height: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.candidate-list { margin-top: 1rem; }
.candidate-row { display: grid; grid-template-columns: auto 1fr repeat(3, minmax(70px, auto)); gap: .65rem; padding: .7rem .2rem; border-bottom: 1px solid var(--border); align-items: center; font-variant-numeric: tabular-nums; }
.candidate-row button { min-height: 44px; padding: .35rem .55rem; }
.report-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; }
.summary-card { padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.summary-card strong { display: block; font-size: 1.45rem; }
.summary-card span { color: var(--muted); font-size: .78rem; }
.file-button { display: inline-flex; align-items: center; }
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.audit-list { margin-top: .8rem; }
.audit-event { padding: .65rem 0; border-bottom: 1px solid var(--border); }
.audit-event code { color: var(--muted); font-size: .74rem; overflow-wrap: anywhere; }

.tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: .25rem; padding: .45rem max(.45rem, env(safe-area-inset-right)) calc(.45rem + env(safe-area-inset-bottom)) max(.45rem, env(safe-area-inset-left)); background: color-mix(in srgb, var(--surface), transparent 5%); backdrop-filter: blur(18px); border-top: 1px solid var(--border); }
.tabbar button { min-width: 0; padding: .55rem .25rem; min-height: 44px; border-color: transparent; background: transparent; color: var(--muted); font-size: clamp(.64rem, 2.5vw, .8rem); }
.tabbar button.active { background: var(--accent); color: var(--accent-text); }

@media (max-width: 720px) {
  .app-header { align-items: flex-start; }
  .badge.warning { max-width: 145px; text-align: center; }
  .form-grid, .capture-layout { grid-template-columns: 1fr; }
  .candidate-row { grid-template-columns: auto 1fr auto; }
  .candidate-row .secondary-data { display: none; }
}

@media (max-width: 440px) {
  main { padding-inline: .75rem; padding-bottom: calc(8rem + env(safe-area-inset-bottom)); }
  .app-header { padding-inline: .75rem; }
  .app-header h1 { font-size: 1.15rem; }
  .header-status .save-status { display: none; }
  .section-heading { align-items: flex-start; }
  .tabbar { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}