:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --danger: #ef4444;
  --border: #334155;
  --warn-bg: #7c2d12;
  --warn-text: #fed7aa;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
}

.counter {
  background: var(--accent);
  color: white;
  border-radius: 999px;
  padding: 4px 12px;
  font-weight: bold;
  font-variant-numeric: tabular-nums;
}

main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 16px;
  padding-bottom: env(safe-area-inset-bottom, 16px);
  max-width: 720px;
  margin: 0 auto;
}

.video-wrapper {
  position: relative;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

#video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hint, .warning {
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
}

.hint {
  position: absolute;
  inset: auto 12px 12px 12px;
  background: rgba(0,0,0,0.7);
  color: var(--warn-text);
}

.warning {
  background: var(--warn-bg);
  color: var(--warn-text);
  margin-bottom: 12px;
}

.hidden { display: none !important; }

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

select, button {
  font-size: 16px;
  font-family: inherit;
}

button {
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  min-height: 48px;
  min-width: 48px;
}

button.primary { background: var(--accent); border-color: var(--accent); }
button.danger  { background: transparent; border-color: var(--danger); color: var(--danger); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

select {
  padding: 10px;
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.list-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.list-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.list-header h2 {
  margin: 0;
  font-size: 16px;
}

.list-actions {
  display: flex;
  gap: 8px;
}

.vin-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 50vh;
  overflow-y: auto;
}

.vin-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  word-break: break-all;
}

.vin-list li:last-child { border-bottom: none; }

.vin-list button.remove {
  padding: 6px 10px;
  min-height: 36px;
  min-width: 36px;
  background: transparent;
  border-color: var(--border);
  color: var(--muted);
  flex-shrink: 0;
}

.vin-list button.remove:hover { color: var(--danger); border-color: var(--danger); }

.empty-hint {
  color: var(--muted);
  font-style: italic;
  margin: 8px 0 0;
}

.scan-hint {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 0;
  text-align: center;
}

.scan-status {
  min-height: 20px;
  color: var(--accent);
  font-size: 14px;
  margin: 6px 0 0;
  text-align: center;
  font-weight: 600;
}