:root {
  --bg: #0f1115;
  --surface: #181b22;
  --border: #262a33;
  --text: #e7e9ee;
  --muted: #8a91a0;
  --accent: #6cb2ff;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

header {
  padding: 28px 32px 8px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

header .sub {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 32px 48px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}

.controls button,
.controls select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.controls button:hover { border-color: var(--accent); }
.controls label { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }
.controls select { min-width: 160px; cursor: pointer; }

.result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  grid-template-areas:
    "image prediction"
    "composition composition";
  gap: 20px;
}

.image-card { grid-area: image; }
.prediction-card { grid-area: prediction; }
.composition-card { grid-area: composition; }

.image-card,
.prediction-card,
.composition-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

#thumb {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  background: #000;
}

.caption {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.prediction-card table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.prediction-card th,
.prediction-card td {
  padding: 8px 6px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.prediction-card thead th {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-transform: lowercase;
}

.prediction-card tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--muted);
}

.composition-card h2 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-transform: lowercase;
}

#bins {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#bins li {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 64px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}

#bins .label { color: var(--text); }
#bins .label.dominant::after { content: " ★"; color: var(--accent); }

#bins .bar {
  height: 10px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

#bins .bar > span {
  display: block;
  height: 100%;
  border-radius: 3px;
}

#bins .pct {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--border);
  padding: 16px 32px;
  color: var(--muted);
  font-size: 12px;
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

.error {
  background: #2a1212;
  border: 1px solid #5a1a1a;
  color: #ffb4b4;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 13px;
}

@media (max-width: 720px) {
  main { padding: 16px; }
  header { padding: 20px 16px 8px; }
  footer { padding: 12px 16px; }
  .result {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "image"
      "prediction"
      "composition";
  }
}