:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #09111f;
  color: #ecf4ff;
  font-synthesis: none;
  --panel: #111d2e;
  --panel-strong: #17263a;
  --line: #2a3c54;
  --muted: #9fb0c5;
  --accent: #67e8b7;
  --accent-ink: #062319;
  --danger: #ff8b8b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% -20%, rgba(47, 129, 247, .26), transparent 42rem),
    #09111f;
}

button, select, input { font: inherit; }

button, select, input[type="number"], input[type="text"] {
  min-height: 3.25rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: #1a2b41;
  color: #f6f9ff;
}

button {
  padding: .75rem 1rem;
  cursor: pointer;
  font-weight: 700;
  touch-action: manipulation;
}

button:hover { background: #223852; }
button:focus-visible, select:focus-visible { outline: 3px solid #93c5fd; outline-offset: 2px; }
button:disabled { cursor: not-allowed; opacity: .45; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
button.primary:hover { background: #96f3d1; }
button.compact { min-height: 2.5rem; padding: .4rem .8rem; }

.topbar, main {
  width: min(100% - 2rem, 96rem);
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.25rem, 2vw, 1.65rem); }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.badges { display: flex; gap: .55rem; flex-wrap: wrap; justify-content: flex-end; }
.badge { padding: .4rem .7rem; border: 1px solid var(--line); border-radius: 99rem; color: var(--muted); font-size: .86rem; }
.badge.good { color: var(--accent); border-color: #2d725e; }
.badge.bad { color: var(--danger); border-color: #7f3c49; }

main { display: grid; gap: 1rem; padding-bottom: 3rem; }
.preview-card, .controls-card, .details-card, .log-card, .privacy-note { border: 1px solid var(--line); border-radius: 1rem; background: rgba(17, 29, 46, .94); }

.preview-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #02050a;
}

#preview { width: 100%; height: 100%; object-fit: contain; background: #000; }
#preview.mirrored { transform: scaleX(-1); }
.marker-overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; object-fit: contain; }
.marker-overlay.mirrored { transform: scaleX(-1); }
.preview-placeholder { position: absolute; inset: 0; display: grid; place-content: center; gap: .55rem; padding: 2rem; text-align: center; color: var(--muted); }
.preview-placeholder strong { color: #fff; font-size: clamp(1.35rem, 3vw, 2rem); }
.preview-placeholder[hidden] { display: none; }
.preview-overlay { position: absolute; top: 1rem; right: 1rem; display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.preview-overlay span { padding: .45rem .65rem; border-radius: .45rem; background: rgba(0, 0, 0, .7); font-variant-numeric: tabular-nums; }

.controls-card, .details-card, .log-card { padding: clamp(1rem, 2vw, 1.5rem); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1rem; }
.message { color: var(--muted); text-align: right; }
.message.error { color: var(--danger); }
.message.success { color: var(--accent); }
.field-grid, .button-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.test-metadata { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: .75rem; }
.button-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: .75rem; }
.capture-note { margin-top: .75rem; color: var(--muted); font-size: .9rem; line-height: 1.45; }
.capture-note strong { color: #fff; }
label { display: grid; gap: .4rem; color: var(--muted); font-size: .9rem; font-weight: 700; }
label small { font-weight: 500; line-height: 1.35; }
select { width: 100%; padding: .65rem .8rem; }
input[type="number"], input[type="text"] { width: 100%; padding: .65rem .8rem; }
.marker-controls { display: grid; grid-template-columns: repeat(2, minmax(14rem, 1.5fr)) minmax(14rem, 1.5fr) repeat(4, minmax(9rem, 1fr)); gap: .75rem; align-items: end; }
.check-field { display: flex; min-height: 3.25rem; align-items: center; gap: .65rem; padding: .65rem .8rem; border: 1px solid var(--line); border-radius: .75rem; background: #1a2b41; color: #f6f9ff; }
.check-field input { width: 1.25rem; height: 1.25rem; }
.calibration-note { margin: 1rem 0; color: var(--muted); line-height: 1.5; }
.marker-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 1rem; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: .75rem; }
.marker-table { width: 100%; min-width: 62rem; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.marker-table th, .marker-table td { padding: .7rem .8rem; border-bottom: 1px solid var(--line); text-align: left; }
.marker-table th { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; }
.marker-table tr:last-child td { border-bottom: 0; }
.marker-table .accepted { color: var(--accent); font-weight: 800; }
.marker-table .rejected { color: var(--danger); }

.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 0; border: 1px solid var(--line); border-radius: .75rem; overflow: hidden; background: var(--line); }
.metrics div { min-width: 0; padding: .8rem 1rem; background: var(--panel-strong); }
.metrics dt { color: var(--muted); font-size: .82rem; }
.metrics dd { margin: .25rem 0 0; overflow-wrap: anywhere; font-weight: 700; }

.event-log { max-height: 17rem; overflow: auto; margin: 0; padding: .25rem 0 .25rem 2rem; color: #d6e2f1; font: .86rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.event-log li { padding-left: .4rem; }
.event-log time { color: var(--muted); margin-right: .6rem; }
.privacy-note { padding: 1rem 1.2rem; color: var(--muted); line-height: 1.55; }
.privacy-note strong { color: #fff; }

@media (max-width: 760px) {
  .topbar, .section-heading { align-items: flex-start; }
  .topbar, .section-heading { flex-direction: column; }
  .badges { justify-content: flex-start; }
  .message { text-align: left; }
  .button-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .test-metadata { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .marker-controls { grid-template-columns: 1fr; }
}

html:fullscreen .topbar { padding-block: .65rem; }
html:fullscreen main { width: 100%; padding: 0; }
html:fullscreen .preview-card { border: 0; border-radius: 0; height: calc(100vh - 5rem); aspect-ratio: auto; }
html:fullscreen .controls-card,
html:fullscreen .details-card,
html:fullscreen .log-card,
html:fullscreen .privacy-note { display: none; }