:root {
  --bg: #0a0f1c;
  --panel: #121a2c;
  --line: #24304a;
  --ink: #e8eefc;
  --dim: #8fa0c0;
  --accent: #ffcf4e;
  --good: #63e06a;
  --bad: #ff6b6b;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--ink);
  font: 14px/1.45 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}
#app { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
canvas#course { touch-action: none; -webkit-user-select: none; user-select: none; -webkit-tap-highlight-color: transparent; }
button { touch-action: manipulation; }
#app { display: flex; flex-direction: column; height: 100%; }

/* ---------- header ---------- */
#bar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 14px; background: var(--panel);
  border-bottom: 1px solid var(--line); flex: none;
}
.brand { font: 800 18px/1 ui-monospace, monospace; letter-spacing: .06em; }
.brand span { color: var(--accent); }
.pill {
  padding: 5px 10px; border-radius: 999px; background: #1b2540;
  border: 1px solid var(--line); font: 600 12px/1 ui-monospace, monospace;
  white-space: nowrap;
}
.wind { color: #9de7ff; }
.plate { color: #ffb3ec; }
#scores { display: flex; gap: 8px; margin-left: auto; flex-wrap: wrap; }
.chip {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 10px; border-radius: 8px; background: #1b2540;
  border: 1px solid var(--line); font: 600 12px/1 ui-monospace, monospace;
}
.chip .dot { width: 10px; height: 10px; border-radius: 50%; }
.chip .pts { color: var(--accent); }
.chip .cash { color: var(--good); }
.chip .cards { color: var(--dim); font-size: 11px; }
.chip.me { outline: 1px solid var(--accent); }
.chip.turnnow { background: #2a3a63; }

/* ---------- stage ---------- */
#stage { position: relative; flex: 1 1 0; min-height: 0; display: grid; place-items: center; background: #060a14; overflow: hidden; }
canvas#course { display: block; cursor: crosshair; }
#banner {
  position: absolute; inset: 0; display: grid; place-items: center;
  pointer-events: none;
}
#banner.hidden { display: none; }
#banner .card {
  background: rgba(10,15,28,.93); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 28px; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.6); pointer-events: auto; max-width: 620px;
}
#banner h2 { margin: 0 0 6px; font: 800 26px/1.1 ui-monospace, monospace; letter-spacing: .04em; }
#banner p { margin: 4px 0; color: var(--dim); }

/* ---------- footer panel ---------- */
#panel {
  flex: 0 0 auto; min-height: 132px; padding: 10px 14px;
  background: var(--panel); border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
  overflow-y: auto; max-height: 46vh;
}
.rowhead { display: flex; align-items: center; gap: 10px; }
.rowhead h3 { margin: 0; font: 700 13px/1 ui-monospace, monospace; letter-spacing: .08em; text-transform: uppercase; }
.hint { color: var(--dim); font-size: 12px; }
.cards-row { display: flex; gap: 8px; flex-wrap: wrap; }
.card-item {
  border: 1px solid var(--line); background: #182241; border-radius: 10px;
  padding: 8px 10px; min-width: 128px; cursor: pointer; user-select: none;
  transition: border-color .12s, transform .08s;
}
.card-item:hover { border-color: #4a6294; }
.card-item.sel { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.card-item.dead { opacity: .38; cursor: not-allowed; }
.card-item .t { font: 700 13px/1.2 ui-monospace, monospace; }
.card-item .c { color: var(--good); font: 700 12px/1.4 ui-monospace, monospace; }
.card-item .b { color: var(--dim); font-size: 11px; margin-top: 3px; }
.card-item .owner { font-size: 11px; font-weight: 700; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
button {
  font: 700 13px/1 ui-monospace, monospace; letter-spacing: .03em;
  padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: #1e2b4c; color: var(--ink); cursor: pointer;
}
button:hover { background: #27375f; }
button.primary { background: var(--accent); color: #1a1400; border-color: var(--accent); }
button.primary:hover { filter: brightness(1.08); }
button.ghost { background: transparent; }
button:disabled { opacity: .4; cursor: not-allowed; }
.log { color: var(--dim); font: 12px/1.4 ui-monospace, monospace; }
.order { display: flex; gap: 6px; align-items: center; font: 600 12px/1 ui-monospace, monospace; }
.order .step { padding: 4px 8px; border-radius: 6px; background: #1b2540; border: 1px solid var(--line); }
.order .step.now { border-color: var(--accent); color: var(--accent); }
.order .step.done { opacity: .45; }
pre.share {
  background: #0c1424; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; margin: 8px 0 0; white-space: pre-wrap;
  font: 15px/1.6 ui-monospace, "Apple Color Emoji", "Segoe UI Emoji", monospace;
}


/* ---------- touch + small screens ---------- */
#rotate {
  position: fixed; inset: 0; z-index: 50; display: none;
  place-items: center; text-align: center; padding: 30px;
  background: rgba(6,10,20,.94); color: var(--ink);
}
#rotate .icon { font-size: 46px; margin-bottom: 12px; }
#rotate h3 { margin: 0 0 6px; font: 800 18px/1.2 ui-monospace, monospace; letter-spacing: .04em; }
#rotate p { margin: 0; color: var(--dim); font-size: 13px; max-width: 300px; }
#rotate button { margin-top: 16px; }

.swing {
  min-width: 168px; padding: 13px 18px; font-size: 14px;
}

@media (max-width: 900px) {
  #bar { gap: 7px; padding: 6px 9px; flex-wrap: wrap; }
  .brand { font-size: 14px; }
  .pill { padding: 4px 8px; font-size: 10px; }
  #scores { gap: 5px; width: 100%; margin-left: 0; order: 3; }
  .chip { padding: 4px 7px; font-size: 10px; gap: 5px; }
  .chip .dot { width: 8px; height: 8px; }
  .chip .cards { display: none; }
  #panel { min-height: 0; padding: 7px 9px; gap: 6px; max-height: 42vh; }
  .rowhead { flex-wrap: wrap; gap: 6px; }
  .rowhead h3 { font-size: 11px; }
  .hint { font-size: 11px; flex-basis: 100%; }
  .cards-row { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 3px; -webkit-overflow-scrolling: touch; }
  .card-item { min-width: 116px; flex: 0 0 auto; padding: 6px 8px; }
  .card-item .t { font-size: 12px; }
  .card-item .b { font-size: 10px; }
  button { padding: 10px 12px; font-size: 12px; }
  #banner .card { padding: 16px 18px; margin: 12px; }
  #banner h2 { font-size: 20px; }
  pre.share { font-size: 13px; }
}

/* a wide side-view course is unplayable in a tall thin window */
@media (max-width: 820px) and (orientation: portrait) {
  #rotate { display: grid; }
}


/* ---------- short viewports: the course is the game, chrome gets out of it ---------- */
@media (max-height: 620px) {
  #bar {
    flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden;
    padding: 4px 8px; gap: 6px; scrollbar-width: none;
  }
  #bar::-webkit-scrollbar { display: none; }
  .brand { font-size: 13px; flex: none; }
  .pill { font-size: 9.5px; padding: 3px 7px; flex: none; }
  #scores { order: 0; width: auto; margin-left: auto; flex-wrap: nowrap; gap: 4px; }
  .chip { font-size: 9.5px; padding: 3px 6px; flex: none; }

  #panel {
    flex-direction: row; align-items: center; gap: 8px;
    padding: 6px 8px; max-height: 92px; min-height: 0;
    overflow-y: hidden;
  }
  .rowhead { flex: 0 0 auto; flex-wrap: nowrap; }
  .rowhead h3 { font-size: 10px; }
  #panel .hint, #panel .order { display: none; }
  .cards-row { flex: 1 1 auto; min-width: 0; overflow-x: auto; gap: 6px; }
  .card-item { min-width: 94px; padding: 5px 7px; }
  .card-item .t { font-size: 11px; }
  .card-item .b, .card-item .owner { display: none; }
  .btns { flex: 0 0 auto; gap: 6px; }
  button { padding: 9px 11px; font-size: 11px; }
  .swing { min-width: 104px; padding: 11px 13px; font-size: 12px; }
  #banner .card { padding: 14px 16px; }
  #banner h2 { font-size: 18px; }
  #banner p { font-size: 12px; margin: 2px 0; }
  pre.share { font-size: 12px; padding: 7px; }
}