:root {
  --accent: #1e4078;
  --ok: #16a34a;
  --err: #b91c1c;
  --border: #d1d5db;
  --muted: #6b7280;
  --bg: #ffffff;
  --fg: #111827;
  --panel: #f3f4f6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --fg: #f9fafb;
    --panel: #1f2937;
    --border: #374151;
    --muted: #9ca3af;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body {
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) 16px calc(24px + env(safe-area-inset-bottom));
  max-width: 640px;
  margin: 0 auto;
}
header { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
h1 { font-size: 22px; margin: 12px 0 8px; }
h2 { font-size: 17px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

fieldset {
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 8px 12px; margin: 0 0 12px;
}
legend { font-size: 13px; color: var(--muted); padding: 0 4px; }
fieldset label { display: flex; align-items: center; gap: 6px; min-height: 36px; }

.buttons { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
button {
  font: inherit; min-height: 44px; padding: 0 16px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel); color: var(--fg);
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button[aria-pressed="true"] { background: #facc15; border-color: #eab308; color: #111827; }

.error {
  border: 1px solid var(--err); background: #fee2e2; color: var(--err);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 12px; white-space: pre-wrap;
}

.viewport {
  position: relative; width: 100%; aspect-ratio: 3 / 4; max-height: 60vh;
  background: #000; border-radius: 12px; overflow: hidden;
}
.viewport.hit { outline: 4px solid var(--ok); outline-offset: -4px; }
.viewport video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* html5-qrcode lager sin egen <video> og tegner sitt eget skanneområde, og
   regner området ut fra videoens egen størrelse. Den skal derfor IKKE få
   object-fit eller annen størrelse – da ville området tegnet og området lest
   kommet ut av takt. Vår ramme skjules i den modusen. */
.h5q { position: absolute; inset: 0; display: flex; align-items: center; }
.h5q > div { width: 100%; }
.frame {
  position: absolute; left: 10%; right: 10%; top: 30%; bottom: 30%;
  border: 3px solid rgba(255, 255, 255, 0.9); border-radius: 10px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.35);
  transition: border-color 0.1s, box-shadow 0.1s;
  pointer-events: none;
}
.frame.hit { border-color: var(--ok); box-shadow: 0 0 0 9999px rgba(22, 163, 74, 0.35); }
.idle {
  position: absolute; left: 16px; right: 16px; bottom: 12px; margin: 0;
  color: #fff; text-align: center; font-size: 14px; text-shadow: 0 1px 2px #000;
}

.result {
  margin-top: 12px; border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 12px; transition: background 0.2s;
}
.result.hit { background: rgba(22, 163, 74, 0.18); }
.result div { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; }
.label { color: var(--muted); }
.value { font-weight: 600; text-align: right; word-break: break-all; }
.code { font-family: ui-monospace, Menlo, monospace; font-size: 18px; }

.log { margin-top: 16px; }
.log-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.log-head div { display: flex; gap: 8px; }
#log { padding-left: 28px; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
#log li { padding: 4px 0; border-bottom: 1px solid var(--border); word-break: break-all; }
#log li.error-row { color: var(--err); }