:root {
  --bg: #f6f7f4;
  --card: #ffffff;
  --text: #17201a;
  --muted: #5d6b62;
  --border: #dfe5df;
  --brand: #14532d;
  --brand-ink: #ffffff;
  --vegan: #15803d;
  --veg: #65a30d;
  --nonveg: #b91c1c;
  --unknown: #b45309;
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1411;
    --card: #182019;
    --text: #e8efe9;
    --muted: #9aaa9f;
    --border: #2a352d;
    --brand: #22c55e;
    --brand-ink: #062b12;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: env(safe-area-inset-bottom);
}

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.15rem; }
.icon-btn {
  background: none; border: 0; color: var(--text);
  font-size: 1.5rem; width: 44px; height: 44px; border-radius: 50%;
}

main { max-width: 560px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.scanner { display: grid; gap: 12px; }
.reader, .reader-placeholder {
  width: 100%; aspect-ratio: 4 / 3;
  border-radius: 12px; overflow: hidden; background: #000;
}
.reader { position: relative; }
.reader video { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Matches the crop region decoded in app.js (SCAN_REGION) */
.aim {
  position: absolute; left: 7.5%; right: 7.5%; top: 27.5%; bottom: 27.5%;
  border: 3px solid rgba(255,255,255,.9); border-radius: 12px;
  box-shadow: 0 0 0 999px rgba(0,0,0,.35);
}
.laser {
  position: absolute; left: 6px; right: 6px; top: 50%; height: 2px;
  background: #ef4444; box-shadow: 0 0 8px #ef4444; animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .35; } }
.torch {
  position: absolute; right: 10px; bottom: 10px; width: 44px; height: 44px;
  border-radius: 50%; border: 0; background: rgba(0,0,0,.55); font-size: 1.2rem;
}
.torch.on { background: #facc15; }
.reader-placeholder {
  display: grid; place-content: center; text-align: center;
  background: repeating-linear-gradient(45deg, transparent 0 10px, rgba(127,127,127,.06) 10px 20px), var(--bg);
  border: 2px dashed var(--border); color: var(--muted);
}
.reader-placeholder p { margin: 6px 16px 0; }
.big-icon { font-size: 2.2rem; letter-spacing: -2px; color: var(--text); opacity: .7; }

.row { display: flex; gap: 10px; }
.row > * { flex: 1; }

.btn {
  appearance: none; border: 1px solid var(--border); background: var(--card); color: var(--text);
  min-height: 48px; padding: 10px 14px; border-radius: 12px;
  font: inherit; font-weight: 600; cursor: pointer;
}
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; }

.manual { display: flex; gap: 10px; }
.manual input { flex: 1; }
input[type=text], input[type=password], input:not([type]), input[inputmode] {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 12px;
  min-height: 48px; padding: 10px 12px; width: 100%;
}

.status {
  display: flex; align-items: center; gap: 10px;
  color: var(--muted); padding: 0 4px;
}
.status.error { color: var(--nonveg); }
.status { flex-wrap: wrap; }
.error-details { flex-basis: 100%; color: var(--muted); font-size: .8rem; }
.error-details pre { white-space: pre-wrap; word-break: break-word; margin: 6px 0 0; }
.spinner {
  width: 18px; height: 18px; flex: none; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--brand);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Result */
.result { display: grid; gap: 14px; }
.product { display: flex; gap: 12px; align-items: center; }
.product img { width: 64px; height: 64px; object-fit: contain; border-radius: 10px; background: #fff; flex: none; }
.product h2 { margin: 0; font-size: 1.1rem; }
.product .sub { color: var(--muted); font-size: .9rem; }

.verdict {
  border-radius: 14px; padding: 16px; color: #fff;
  display: grid; gap: 6px;
}
.verdict .label { font-size: 1.6rem; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.verdict .conf { font-size: .85rem; opacity: .9; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.verdict p { margin: 0; }
.verdict.vegan { background: var(--vegan); }
.verdict.vegetarian { background: var(--veg); }
.verdict.non_vegetarian { background: var(--nonveg); }
.verdict.unknown { background: var(--unknown); }
.dot {
  width: 22px; height: 22px; border: 2px solid #fff; border-radius: 4px;
  display: grid; place-items: center; flex: none;
}
.dot::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: #fff; }

h3 { margin: 0 0 6px; font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.flags { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.flags li { border: 1px solid var(--border); border-left-width: 5px; border-radius: 10px; padding: 10px 12px; }
.flags li b { display: block; }
.flags li span { color: var(--muted); font-size: .92rem; }
.flags .cat { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.flags li.meat, .flags li.fish, .flags li.egg, .flags li.animal { border-left-color: var(--nonveg); }
.flags li.dairy, .flags li.honey, .flags li.insect { border-left-color: var(--veg); }
.flags li.ambiguous { border-left-color: var(--unknown); }

details { border-top: 1px solid var(--border); padding-top: 10px; }
summary { cursor: pointer; color: var(--muted); font-weight: 600; }
.ingredients { white-space: pre-wrap; font-size: .92rem; margin: 8px 0 0; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag { font-size: .8rem; padding: 3px 8px; border-radius: 999px; background: var(--bg); border: 1px solid var(--border); }
.foot { color: var(--muted); font-size: .8rem; }

textarea {
  width: 100%; min-height: 120px; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px;
}

/* Nutrition */
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { color: #fff; font-size: .85rem; font-weight: 600; padding: 5px 10px; border-radius: 8px; }
.badge b { font-size: 1rem; margin-left: 2px; }
.ns-a { background: #038141; } .ns-b { background: #85bb2f; } .ns-c { background: #fecb02; color: #1f2937; }
.ns-d { background: #ee8100; } .ns-e { background: #e63e11; }
.nova-1 { background: #00aa00; } .nova-2 { background: #e6b800; color: #1f2937; }
.nova-3 { background: #ff6600; } .nova-4 { background: #d00000; }
.nutrition table { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: .95rem; }
.nutrition th, .nutrition td { padding: 7px 2px; border-bottom: 1px solid var(--border); }
.nutrition th { text-align: left; font-weight: 500; }
.nutrition td { text-align: right; font-variant-numeric: tabular-nums; }
.nutrition tr.sub th { padding-left: 16px; color: var(--muted); font-weight: 400; }
.cached { margin: 0; font-size: .9rem; color: var(--muted); }
.link { background: none; border: 0; padding: 0; font: inherit; font-weight: 600; color: var(--brand); text-decoration: underline; cursor: pointer; }

/* History */
.history h2 { font-size: 1rem; margin: 0 0 8px 4px; color: var(--muted); }
.history ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.history li button {
  width: 100%; text-align: left; display: flex; align-items: center; gap: 10px;
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 12px; font: inherit; min-height: 52px;
}
.history .pill { width: 12px; height: 12px; border-radius: 50%; flex: none; }
.history .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history .v { font-size: .8rem; color: var(--muted); }

/* Settings dialog */
dialog {
  width: min(520px, calc(100% - 24px)); border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--card); color: var(--text); padding: 0;
}
dialog::backdrop { background: rgba(0,0,0,.5); }
.settings-form { display: grid; gap: 10px; padding: 18px; }
.settings-form h2 { margin: 0; }
.settings-form label { display: grid; gap: 6px; font-weight: 600; }
.settings-form .hint { margin: -4px 0 4px; color: var(--muted); font-size: .85rem; }
fieldset { border: 1px solid var(--border); border-radius: 12px; display: grid; gap: 8px; }
legend { font-weight: 600; padding: 0 4px; }
label.radio { display: flex !important; align-items: center; gap: 8px; font-weight: 400 !important; min-height: 36px; }
label.radio input { width: 20px; height: 20px; }