:root {
  --bg: #0b0d12;
  --panel: #14181f;
  --panel-2: #1c2230;
  --text: #e7ecf3;
  --muted: #8b95a7;
  --accent: #62d2ff;
  --border: #242b3a;
  --green: #34d399;
  --red: #ef4444;
  --yellow: #facc15;
  --blue: #3b82f6;
  --orange: #fb923c;
  --kick: #c084fc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  padding: 18px 22px 6px;
}

header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.3px;
}

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

.panel {
  margin: 14px 22px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.dropzone {
  text-align: center;
  padding: 26px 16px;
  border: 2px dashed var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  transition: border-color 120ms, background 120ms;
}

.dropzone.drag {
  border-color: var(--accent);
  background: #182233;
}

.dropzone p { margin: 4px 0; }
.dropzone .small { color: var(--muted); font-size: 12px; }

.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.col { min-width: 180px; flex: 1; }

label { display: block; font-size: 12px; color: var(--muted); }
label > select, label > input[type="range"] { display: block; width: 100%; margin-top: 4px; }

select, input[type="range"], button.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}
.btn.primary { background: var(--accent); color: #082233; border-color: transparent; font-weight: 600; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:hover:not(:disabled) { filter: brightness(1.1); }

.transport { margin-top: 12px; }
.transport .time { font-variant-numeric: tabular-nums; color: var(--muted); min-width: 130px; }
.transport input[type="range"] { flex: 1; min-width: 200px; }

.meta { margin-top: 10px; color: var(--muted); font-size: 12px; }
.meta strong { color: var(--text); }

.status { margin-top: 10px; font-size: 13px; color: var(--muted); white-space: pre-line; }
.status.error { color: #ff8b8b; }

#stage {
  margin: 0 22px 22px;
  background: #06080d;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

#highway {
  display: block;
  width: 100%;
  height: 70vh;
  min-height: 420px;
}

/* Fullscreen: stage fills the screen and canvas fills the stage */
#stage:fullscreen,
#stage:-webkit-full-screen {
  margin: 0;
  border: 0;
  border-radius: 0;
  width: 100vw;
  height: 100vh;
  background: #000;
}
#stage:fullscreen #highway,
#stage:-webkit-full-screen #highway {
  width: 100vw;
  height: 100vh;
}

/* Floating overlay for transport while fullscreen */
.fs-overlay {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  gap: 10px;
  align-items: center;
  background: rgba(10, 14, 22, 0.78);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  z-index: 1000;
  backdrop-filter: blur(6px);
  color: var(--text);
  font-size: 13px;
}
.fs-overlay.visible { display: flex; }
.fs-overlay button {
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
}
.fs-overlay button:hover { color: var(--accent); }

.hidden { display: none !important; }
code { background: #0e1320; padding: 1px 5px; border-radius: 4px; font-size: 12px; }