:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #6c8cff;
  --accent-2: #8a5cff;
  --danger: #e74c3c;
  --warn: #f1c40f;
  --ok: #2ecc71;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2030 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.5;
  padding: 24px 16px 60px;
}

header { max-width: 900px; margin: 0 auto 18px; text-align: center; }
.brand {
  display: inline-block; font-weight: 800; letter-spacing: .12em; font-size: .82rem;
  text-transform: uppercase; color: #fff; padding: 4px 12px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); margin-bottom: 12px;
}
header h1 { font-size: 2rem; margin: 0 0 8px; }
.site-footer { max-width: 900px; margin: 26px auto 0; text-align: center; color: var(--muted); font-size: .8rem; }
.subtitle { color: var(--muted); max-width: 720px; margin: 0 auto; }

.disclaimer {
  max-width: 900px;
  margin: 0 auto 22px;
  background: rgba(231, 76, 60, 0.10);
  border: 1px solid rgba(231, 76, 60, 0.35);
  color: #f3b6ae;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  text-align: center;
}

main {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 760px) { main { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.panel h2 { margin: 0 0 14px; font-size: 1.05rem; color: var(--muted); font-weight: 600; }

/* Upload */
.upload-drop {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  padding: 12px;
  transition: border-color .15s, background .15s;
}
.upload-drop:hover, .upload-drop.drag { border-color: var(--accent); background: rgba(108,140,255,.06); color: var(--text); }

.examples { margin-top: 14px; }
.examples-label { font-size: .82rem; color: var(--muted); }
.example-thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.example-thumbs img {
  width: 56px; height: 56px; object-fit: cover;
  border-radius: 8px; border: 1px solid var(--border); cursor: pointer;
  transition: transform .12s, border-color .12s;
}
.example-thumbs img:hover { transform: scale(1.06); border-color: var(--accent); }

/* Visualisations */
.viz { display: flex; gap: 12px; margin-top: 16px; }
.viz-col { flex: 1; text-align: center; }
.viz-label { display: block; font-size: .78rem; color: var(--muted); margin-bottom: 6px; }
.viz canvas { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); background: #000; }

/* Result */
.status { color: var(--muted); font-size: .9rem; min-height: 20px; }
.result-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 14px;
}
.result-top { display: flex; align-items: center; gap: 12px; }
.result-emoji { font-size: 2rem; }
.result-label { font-size: 1.3rem; font-weight: 700; }
.result-conf { color: var(--muted); font-size: .9rem; }
.result-blurb { color: var(--muted); font-size: .86rem; margin: 10px 0 0; }

/* Bars */
.bars { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.bar-row {
  display: grid; grid-template-columns: 92px 1fr 48px; align-items: center; gap: 10px;
  font-size: .85rem; cursor: pointer; padding: 4px 6px; margin: -4px -6px; border-radius: 8px;
  border: 1px solid transparent; transition: background .12s, border-color .12s;
}
.bar-row:hover { background: rgba(108,140,255,.06); }
.bar-row.active { background: rgba(108,140,255,.12); border-color: var(--accent); }
.bar-track { background: var(--panel-2); border-radius: 999px; height: 12px; overflow: hidden; border: 1px solid var(--border); }
.bar-fill { height: 100%; width: 0; border-radius: 999px; transition: width .4s ease; }
.bar-pct { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }

/* CAM controls */
.cam-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; font-size: .82rem; color: var(--muted); }
.cam-controls input[type="range"] { flex: 0 0 130px; accent-color: var(--accent); }
.cam-hint { flex: 1 1 100%; font-size: .78rem; opacity: .8; }
.cam-hint em { color: var(--text); font-style: normal; font-weight: 600; }

/* Buttons */
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
button {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; border: 0; border-radius: 10px;
  padding: 10px 18px; font-size: .92rem; font-weight: 600; cursor: pointer;
  transition: opacity .15s, transform .05s;
}
button:hover:not(:disabled) { opacity: .92; }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.secondary { background: var(--panel-2); border: 1px solid var(--border); }

/* Progress */
.progress { margin-top: 12px; height: 8px; background: var(--panel-2); border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.progress-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .1s linear; }

/* OOD banner */
.ood-banner {
  background: rgba(231, 76, 60, 0.12);
  border: 1px solid rgba(231, 76, 60, 0.45);
  color: #f3b6ae;
  padding: 10px 12px; border-radius: 10px; font-size: .84rem; margin-bottom: 12px;
}

/* Uncertainty meter */
.uncertainty { margin: 4px 0 14px; }
.unc-head { display: flex; justify-content: space-between; font-size: .8rem; color: var(--muted); margin-bottom: 6px; }
.unc-track { background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; height: 10px; overflow: hidden; }
.unc-bar { height: 100%; width: 0; border-radius: 999px; background: var(--accent); transition: width .4s ease, background .2s; }

/* TTA toggle */
.tta-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--muted); cursor: pointer; user-select: none; }
.tta-toggle input { accent-color: var(--accent); }

/* Similar scans */
.similar { margin-top: 16px; }
.similar-head { font-size: .84rem; color: var(--text); margin-bottom: 8px; }
.similar-head span { color: var(--muted); font-size: .78rem; }
.similar-thumbs { display: flex; gap: 10px; flex-wrap: wrap; }
.sim-item { margin: 0; width: 84px; text-align: center; cursor: pointer; }
.sim-item img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); transition: transform .12s, border-color .12s; }
.sim-item:hover img { transform: scale(1.05); border-color: var(--accent); }
.sim-item figcaption { font-size: .72rem; color: var(--muted); margin-top: 4px; line-height: 1.25; }
.sim-item figcaption span { color: var(--accent); font-weight: 600; }

/* About */
.about {
  max-width: 900px; margin: 22px auto 0;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
}
.about summary { cursor: pointer; font-weight: 600; color: var(--muted); }
.about p { color: var(--muted); font-size: .88rem; }
.about-list { color: var(--muted); font-size: .86rem; margin: 4px 0 8px; padding-left: 20px; }
.about-list li { margin: 4px 0; }
.about-list strong { color: var(--text); }
.about a { color: var(--accent); }
.credit { font-size: .8rem; opacity: .8; }