/*
 * theme.css — Redline Brawl. A night-garage palette: near-black asphalt
 * grounds, one hot orange-red accent like a tail light at speed. The game
 * opens dark; the light set is a daylight pit-lane version of the same.
 */

:root {
  color-scheme: dark;
  --canvas: #0c0e11;
  --surface: #15181d;
  --surface-2: #1d2128;
  --border: #2a2f37;
  --border-strong: #454c58;
  --ink: #f2f3f5;
  --muted: #9ca3ad;
  --accent: #ff4a1c;
  --accent-hover: #ff6a40;
  --accent-ink: #0c0e11;
  --accent-text: #ff7a52;
  --accent-strong: #ffb8a1;
  --accent-soft: #3a1910;
  --accent-border: #7a2a17;
  --success: #2fbf6a;
  --success-ink: #07140c;
  --success-soft: #10291b;
  --success-strong: #79dca0;
  --warning: #f2b233;
  --warning-ink: #1a1203;
  --warning-soft: #2e2410;
  --warning-strong: #f6cd77;
  --danger: #ef4444;
  --danger-ink: #12090a;
  --danger-soft: #341416;
  --danger-strong: #f59a9a;
  --chart-1: #ff4a1c;
  --chart-2: #f2b233;
  --chart-3: #2fbf6a;
  --chart-4: #3fa7f5;
  --chart-5: #b07cf2;
  --chart-6: #e86aa8;

  --font-display: "Saira Condensed", "Arial Narrow", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Saira", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Saira", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --display-weight: 800;
  --display-tracking: -0.01em;
  --eyebrow-tracking: 0.18em;

  --radius-btn: 4px;
  --radius-card: 8px;
  --radius-input: 4px;
  --btn-weight: 700;
  --shadow-card: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
}

html[data-theme="light"] {
  color-scheme: light;
  --canvas: #f3f1ed;
  --surface: #ffffff;
  --surface-2: #e9e5df;
  --border: #d9d3ca;
  --border-strong: #b5ac9f;
  --ink: #14161a;
  --muted: #5b616a;
  --accent: #e2360c;
  --accent-hover: #c92f09;
  --accent-ink: #ffffff;
  --accent-text: #b82a07;
  --accent-strong: #8f2105;
  --accent-soft: #fde2d8;
  --accent-border: #f2a68f;
  --success: #15803d;
  --success-ink: #ffffff;
  --success-soft: #dcefe2;
  --success-strong: #116632;
  --warning: #b45309;
  --warning-ink: #ffffff;
  --warning-soft: #f6e7d6;
  --warning-strong: #8a3f06;
  --danger: #b91c1c;
  --danger-ink: #ffffff;
  --danger-soft: #f6dddd;
  --danger-strong: #991b1b;
  --chart-1: #e2360c;
  --chart-2: #b45309;
  --chart-3: #15803d;
  --chart-4: #1d6fb8;
  --chart-5: #7c4dcc;
  --chart-6: #c03f80;
}

/*
 * app.css — Redline Brawl's own screens: the 3D stage, the race HUD, the
 * touch pad and the menu panels. Every colour is a token from theme.css;
 * black and white appear only as depth (washes, shadows).
 */

html, body.rb-body { height: 100%; overflow: hidden; }
body.rb-body { font-family: var(--font-body); margin: 0; overscroll-behavior: none; }

.rb [hidden] { display: none !important; }

.rb {
  position: fixed; inset: 0; overflow: hidden; touch-action: none; user-select: none; -webkit-user-select: none;
  background:
    radial-gradient(120% 80% at 50% 110%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(90% 60% at 50% 0%, var(--surface-2), var(--canvas));
}
.rb-stage, .rb-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.rb-fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.rb-flash { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .25s ease-out;
  background: radial-gradient(circle at 50% 55%, transparent 35%, color-mix(in srgb, var(--danger) 55%, transparent)); }
.rb-flash.is-on { opacity: 1; transition: none; }
.rb[data-mode="race"]::after, .rb[data-mode="countdown"]::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 55%, rgba(0, 0, 0, .45));
}

/* ── shared bits ─────────────────────────────────────────── */
.rb-label { font-family: var(--font-display); font-weight: 700; font-size: .7rem; letter-spacing: var(--eyebrow-tracking); text-transform: uppercase; color: var(--muted); }
.rb-chip {
  background: color-mix(in srgb, var(--canvas) 72%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid color-mix(in srgb, var(--border-strong) 60%, transparent); border-radius: var(--radius-card);
  padding: .5rem .75rem; color: var(--ink);
}
.rb-bar { height: 6px; border-radius: 99px; background: color-mix(in srgb, var(--ink) 14%, transparent); overflow: hidden; }
.rb-bar i { display: block; height: 100%; width: 100%; background: var(--success); border-radius: inherit; transform-origin: left; transition: width .15s linear; }
.rb-bar-lg { height: 10px; }
.rb-bar i.is-mid { background: var(--warning); }
.rb-bar i.is-low { background: var(--danger); }

.rb-round {
  display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; flex: none; border-radius: 99px; cursor: pointer;
  background: color-mix(in srgb, var(--canvas) 70%, transparent); color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--border-strong) 70%, transparent);
}
.rb-round:hover { border-color: var(--accent); color: var(--accent-text); }
.rb-round .icon { width: 1.15rem; height: 1.15rem; }

.rb-btn {
  display: flex; align-items: center; gap: .75rem; width: 100%; padding: .85rem 1.1rem; cursor: pointer;
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink); background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--border); border-radius: var(--radius-btn);
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.rb-btn:hover, .rb-btn:focus-visible { border-color: var(--accent); transform: translateX(4px); outline: none; }
.rb-btn .icon { width: 1.2rem; height: 1.2rem; }
.rb-btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.rb-btn-primary:hover, .rb-btn-primary:focus-visible { background: var(--accent-hover); border-color: var(--accent-hover); }
.rb-btn-sm { width: auto; padding: .5rem .9rem; font-size: .95rem; white-space: nowrap; gap: .4rem; }
.rb-btn-sm:hover { transform: none; }
.rb-btn-danger { color: var(--danger-strong); border-color: color-mix(in srgb, var(--danger) 50%, transparent); background: var(--danger-soft); }
.rb-btn[disabled] { opacity: .5; cursor: not-allowed; transform: none; }

/* ── menu screens ────────────────────────────────────────── */
.rb-screen { position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column; }
.rb-title { padding: 1.25rem 1.5rem; background: linear-gradient(90deg, color-mix(in srgb, var(--canvas) 88%, transparent) 0%, color-mix(in srgb, var(--canvas) 40%, transparent) 45%, transparent 70%); }
.rb-bar-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.rb-bar-right { display: flex; align-items: center; gap: .75rem; }
.rb-brand { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: .95rem; }
.rb-brand .icon { color: var(--accent-text); }
.rb-money { display: inline-flex; align-items: center; gap: .4rem; padding: .4rem .8rem; border-radius: 99px; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; background: var(--accent-soft); color: var(--accent-strong); border: 1px solid var(--accent-border); white-space: nowrap; }
.rb-money .icon { width: 1rem; height: 1rem; }

.rb-title-main { flex: 1; display: flex; flex-direction: column; justify-content: center; max-width: 30rem; gap: 1.5rem; }
.rb-logo { margin: 0; font-family: var(--font-display); font-weight: 800; text-transform: uppercase; line-height: .82; letter-spacing: -.01em; font-size: clamp(4rem, 11vw, 8.5rem); display: flex; flex-direction: column; }
.rb-logo-accent { color: var(--accent-text); font-style: italic; transform: skewX(-6deg); transform-origin: left; }
.rb-tagline { margin: 0; color: var(--muted); font-size: 1.05rem; max-width: 26rem; line-height: 1.5; }
.rb-menu { display: grid; gap: .6rem; max-width: 20rem; }
.rb-title-foot { display: flex; gap: 2rem; }
.rb-foot-item { display: flex; flex-direction: column; gap: .15rem; }
.rb-foot-item b { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; }

.rb-panel-screen { align-items: center; justify-content: center; padding: 1rem; background: color-mix(in srgb, var(--canvas) 55%, transparent); }
.rb-panel {
  width: 100%; max-width: 54rem; max-height: 100%; overflow-y: auto; touch-action: pan-y;
  background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 1.5rem;
}
.rb-panel-narrow { max-width: 22rem; display: grid; gap: 1rem; }
.rb-garage { justify-content: flex-end; align-items: stretch; }
.rb-garage .rb-panel { max-width: none; max-height: 52%; }
.rb-panel-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.rb-panel-head > div { flex: 1; min-width: 0; }
.rb-h2 { margin: 0; font-family: var(--font-display); font-weight: 800; font-size: 2rem; text-transform: uppercase; line-height: 1; }
.rb-sub { margin: .35rem 0 0; color: var(--muted); font-size: .95rem; line-height: 1.45; }
.rb-note { margin-top: 1.25rem; }

.rb-loc-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.rb-loc {
  position: relative; text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: .5rem; min-height: 13rem;
  padding: 1rem; border-radius: var(--radius-card); border: 1px solid var(--border); color: var(--ink); overflow: hidden;
  background: var(--surface-2); transition: border-color .15s ease, transform .15s ease;
}
.rb-loc:hover, .rb-loc:focus-visible { border-color: var(--accent); transform: translateY(-3px); outline: none; }
.rb-loc-art { height: 5.5rem; margin: -1rem -1rem .25rem; display: block; }
.rb-loc-name { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; text-transform: uppercase; line-height: 1; }
.rb-loc-desc { color: var(--muted); font-size: .9rem; line-height: 1.4; flex: 1; }
.rb-loc-foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.rb-badge { display: inline-flex; align-items: center; gap: .3rem; font-family: var(--font-display); font-weight: 700; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; padding: .2rem .55rem; border-radius: 99px; background: var(--surface); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.rb-badge .icon { width: .85rem; height: .85rem; }
.rb-badge-ok { background: var(--success-soft); color: var(--success-strong); border-color: transparent; }
.rb-badge-hot { background: var(--accent-soft); color: var(--accent-strong); border-color: transparent; }

.rb-bike-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.rb-bike {
  text-align: left; cursor: pointer; display: grid; gap: .45rem; padding: .85rem; border-radius: var(--radius-card);
  border: 1px solid var(--border); background: var(--surface-2); color: var(--ink); transition: border-color .15s ease;
}
.rb-bike:hover, .rb-bike:focus-visible { border-color: var(--border-strong); outline: none; }
.rb-bike.is-viewing { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.rb-bike-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.rb-bike-name { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; text-transform: uppercase; line-height: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.rb-stat { display: grid; grid-template-columns: 5.2rem 1fr; align-items: center; gap: .5rem; font-size: .78rem; color: var(--muted); }
.rb-stat .rb-bar i { background: var(--accent); }
.rb-bike-foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-top: .2rem; }
.rb-price { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }

.rb-keys { display: grid; gap: .4rem; }
.rb-key-row { display: grid; grid-template-columns: 11rem 1fr; align-items: center; gap: 1rem; padding: .55rem .75rem; border-radius: var(--radius-input); background: var(--surface-2); }
.rb-key-row > span:first-child { display: flex; gap: .3rem; }
.rb-key-hot { background: var(--accent-soft); color: var(--accent-strong); }
kbd { font-family: var(--font-mono); font-size: .8rem; min-width: 1.8rem; text-align: center; padding: .2rem .4rem; border-radius: 4px; border: 1px solid var(--border-strong); border-bottom-width: 3px; background: var(--surface); color: var(--ink); }

.rb-settings { display: grid; gap: .75rem; }
.rb-set-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; border-radius: var(--radius-input); background: var(--surface-2); }
.rb-set-label { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; text-transform: uppercase; letter-spacing: .05em; }
.rb-seg { display: inline-flex; padding: 3px; border-radius: var(--radius-btn); background: var(--surface); border: 1px solid var(--border); }
.rb-seg button { padding: .4rem .85rem; border-radius: 3px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font-family: var(--font-display); font-weight: 700; font-size: .95rem; text-transform: uppercase; }
.rb-seg button.is-on { background: var(--accent); color: var(--accent-ink); }
.rb-range { width: min(16rem, 50vw); accent-color: var(--accent); }

.rb-res-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.rb-res-place { font-family: var(--font-display); font-weight: 800; font-size: 4rem; line-height: .9; text-transform: uppercase; }
.rb-res-place.is-win { color: var(--accent-text); }
.rb-res-place.is-bust { color: var(--danger-strong); }
.rb-res-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 1.25rem; }
.rb-res-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.rb-res-table td { padding: .4rem .5rem; border-bottom: 1px solid var(--border); }
.rb-res-table td:first-child { width: 2rem; font-family: var(--font-display); font-weight: 800; color: var(--muted); }
.rb-res-table td:last-child { text-align: right; font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.rb-res-table tr.is-me td { color: var(--accent-text); font-weight: 600; }
.rb-ledger { display: grid; gap: .4rem; align-content: start; }
.rb-ledger-row { display: flex; justify-content: space-between; gap: 1rem; padding: .45rem .75rem; border-radius: var(--radius-input); background: var(--surface-2); }
.rb-ledger-row b { font-family: var(--font-display); font-size: 1.05rem; }
.rb-ledger-row.is-minus b { color: var(--danger-strong); }
.rb-ledger-row.is-total { background: var(--accent-soft); color: var(--accent-strong); }
.rb-res-note { margin-top: .5rem; padding: .7rem .9rem; border-radius: var(--radius-input); background: var(--success-soft); color: var(--success-strong); font-weight: 600; font-size: .92rem; }
.rb-res-note.is-warn { background: var(--warning-soft); color: var(--warning-strong); }
.rb-res-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 1.25rem; }

/* ── HUD ─────────────────────────────────────────────────── */
.rb-hud { position: absolute; inset: 0; z-index: 3; pointer-events: none; padding: max(.75rem, env(safe-area-inset-top)) max(.9rem, env(safe-area-inset-right)) max(.75rem, env(safe-area-inset-bottom)) max(.9rem, env(safe-area-inset-left)); }
.rb-hud button { pointer-events: auto; }
.rb-hud-top { display: flex; align-items: flex-start; gap: .6rem; }
.rb-pos b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; line-height: .95; }
.rb-pos small { font-size: 1.2rem; color: var(--muted); }
.rb-rival { flex: 0 1 15rem; min-width: 0; display: grid; gap: .25rem; margin: 0 auto; }
.rb-rival-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rb-hud-right { display: flex; align-items: flex-start; gap: .5rem; }
.rb-time b { display: block; font-family: var(--font-mono); font-size: 1.05rem; }
.rb-track { position: absolute; left: 50%; top: 5.4rem; transform: translateX(-50%); width: min(26rem, 46vw); display: grid; gap: .25rem; justify-items: center; font-family: var(--font-display); font-weight: 700; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); text-shadow: 0 1px 3px rgba(0, 0, 0, .6); }
.rb-track-line { width: 100%; height: 4px; border-radius: 99px; background: rgba(255, 255, 255, .25); overflow: hidden; }
.rb-track-line i { display: block; height: 100%; width: 0; background: var(--accent); }
.rb-map { position: absolute; right: max(.9rem, env(safe-area-inset-right)); top: 4.6rem; width: 150px; height: 150px; border-radius: 50%;
  background: color-mix(in srgb, var(--canvas) 62%, transparent); border: 1px solid color-mix(in srgb, var(--border-strong) 60%, transparent); }
.rb-hud-bottom { position: absolute; left: max(.9rem, env(safe-area-inset-left)); right: max(.9rem, env(safe-area-inset-right)); bottom: max(.75rem, env(safe-area-inset-bottom)); display: flex; align-items: flex-end; justify-content: space-between; gap: .75rem; }
.rb-me { width: min(19rem, 38vw); display: grid; gap: .35rem; }
.rb-me-row { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.rb-kd { display: inline-flex; align-items: center; gap: .3rem; font-size: .8rem; color: var(--muted); white-space: nowrap; }
.rb-kd b { color: var(--accent-text); font-family: var(--font-display); font-size: 1.05rem; }
.rb-kd .icon { width: .9rem; height: .9rem; color: var(--accent-text); }
.rb-weapon { display: flex; align-items: center; gap: .4rem; font-size: .8rem; color: var(--warning-strong); }
.rb-weapon .icon { width: .95rem; height: .95rem; }
.rb-kick { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); width: min(16rem, 40vw); display: grid; gap: .3rem; text-align: center; }
.rb-kick .rb-label { color: var(--ink); text-shadow: 0 1px 3px rgba(0, 0, 0, .7); }
.rb-kick .rb-bar i { background: var(--accent); }
.rb-speedo { text-align: right; min-width: 10.5rem; display: grid; gap: .3rem; }
.rb-speed-row { display: flex; align-items: baseline; justify-content: flex-end; gap: .35rem; }
.rb-speed-row b { font-family: var(--font-display); font-weight: 800; font-size: 3.4rem; line-height: .85; font-variant-numeric: tabular-nums; }
.rb-speed-row span { font-family: var(--font-display); color: var(--muted); font-weight: 700; }
.rb-rev { height: 8px; border-radius: 2px; background: color-mix(in srgb, var(--ink) 14%, transparent); overflow: hidden; }
.rb-rev i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--success), var(--warning) 70%, var(--danger)); background-size: 10.5rem 100%; }
.rb-gear-row { display: flex; justify-content: flex-end; align-items: center; gap: .5rem; }
.rb-gear-row b { font-family: var(--font-display); font-size: 1.4rem; line-height: 1; }

.rb-msg { position: absolute; left: 50%; top: 34%; transform: translate(-50%, -50%); text-align: center; white-space: nowrap;
  font-family: var(--font-display); font-weight: 800; font-style: italic; text-transform: uppercase; font-size: clamp(2rem, 6vw, 4.2rem); line-height: 1;
  color: var(--ink); text-shadow: 0 3px 0 var(--accent), 0 8px 30px rgba(0, 0, 0, .55); opacity: 0; }
.rb-msg.is-on { animation: rb-pop 1.6s ease-out forwards; }
.rb-msg.is-small { font-size: clamp(1.2rem, 3.4vw, 2rem); text-shadow: 0 2px 0 var(--accent), 0 6px 20px rgba(0, 0, 0, .55); }
@keyframes rb-pop {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(1.6); }
  12% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  75% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -62%) scale(.96); }
}
.rb-countdown { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%); font-family: var(--font-display); font-weight: 800; font-size: clamp(5rem, 16vw, 10rem); line-height: 1; color: var(--ink); text-shadow: 0 6px 0 var(--accent), 0 14px 40px rgba(0, 0, 0, .5); }
.rb-countdown.is-go { color: var(--accent-text); text-shadow: 0 6px 0 var(--ink), 0 14px 40px rgba(0, 0, 0, .5); }
.rb-police { position: absolute; left: 50%; top: 8.4rem; transform: translateX(-50%); display: flex; align-items: center; gap: .5rem; padding: .35rem .8rem; border-radius: 99px;
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .9rem;
  background: var(--danger); color: var(--danger-ink); animation: rb-blink .6s steps(2) infinite; }
.rb-police .icon { width: 1rem; height: 1rem; }
@keyframes rb-blink { 50% { background: var(--chart-4); } }

/* ── touch pad ───────────────────────────────────────────── */
.rb-touch { position: absolute; inset: auto 0 0 0; z-index: 4; display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem;
  padding: 0 max(.75rem, env(safe-area-inset-right)) max(.75rem, env(safe-area-inset-bottom)) max(.75rem, env(safe-area-inset-left)); pointer-events: none; }
.rb-touch-left { display: flex; gap: .6rem; pointer-events: auto; }
.rb-touch-right { display: grid; grid-template-columns: repeat(3, 4.2rem); gap: .5rem; pointer-events: auto; }
.rb-tbtn { height: 3.6rem; border-radius: 14px; border: 1px solid rgba(255, 255, 255, .25); background: rgba(0, 0, 0, .35); color: var(--ink);
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: .85rem; touch-action: none; -webkit-tap-highlight-color: transparent; }
.rb-tbtn.is-down { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.rb-tbtn-steer { width: 5rem; height: 5rem; display: grid; place-items: center; }
.rb-tbtn-steer .icon { width: 2rem; height: 2rem; }
.rb-tbtn-kick { border-color: var(--accent); color: var(--accent-text); }
.rb-tbtn-gas { border-color: var(--success); }
.rb[data-touch="on"][data-mode="race"] .rb-hud-bottom, .rb[data-touch="on"][data-mode="countdown"] .rb-hud-bottom { bottom: 6.2rem; }
.rb[data-touch="on"] .rb-kick { bottom: 2.6rem; }

/* ── overlays ────────────────────────────────────────────── */
.rb-overlay { position: absolute; inset: 0; z-index: 9; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .75rem; padding: 1.5rem; text-align: center;
  background: color-mix(in srgb, var(--canvas) 80%, transparent); font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; text-transform: uppercase; letter-spacing: .06em; }
.rb-overlay b { font-size: 1.6rem; }
.rb-overlay #rb-error-text { font-family: var(--font-body); font-weight: 400; font-size: 1rem; text-transform: none; letter-spacing: 0; color: var(--muted); max-width: 28rem; }
.rb-overlay > .icon { width: 2.5rem; height: 2.5rem; color: var(--danger-strong); }
.rb-spinner { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 4px solid var(--border); border-top-color: var(--accent); animation: rb-spin .8s linear infinite; }
@keyframes rb-spin { to { transform: rotate(360deg); } }
.rb-rotate { display: none; }
@media (orientation: portrait) and (pointer: coarse) {
  .rb[data-mode="race"] .rb-rotate, .rb[data-mode="countdown"] .rb-rotate {
    position: absolute; inset: 0; z-index: 8; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
    background: color-mix(in srgb, var(--canvas) 92%, transparent); font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; text-transform: uppercase; text-align: center; padding: 1.5rem;
  }
  .rb-rotate .icon { width: 3rem; height: 3rem; color: var(--accent-text); transform: rotate(90deg); }
}

/* ── small screens ───────────────────────────────────────── */
@media (max-width: 820px) {
  .rb-loc-list { grid-template-columns: minmax(0, 1fr); }
  .rb-loc { min-height: 0; }
  .rb-loc-art { height: 3.5rem; }
  .rb-bike-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rb-res-grid { grid-template-columns: minmax(0, 1fr); }
  .rb-rival { display: none; }
  .rb-map { width: 110px; height: 110px; }
}
@media (max-width: 560px) {
  .rb-title { padding: 1rem; background: linear-gradient(180deg, color-mix(in srgb, var(--canvas) 30%, transparent), color-mix(in srgb, var(--canvas) 85%, transparent) 55%); }
  .rb-title-main { justify-content: flex-end; padding-bottom: 1rem; }
  .rb-menu { max-width: none; }
  .rb-bike-list { grid-template-columns: minmax(0, 1fr); }
  .rb-key-row { grid-template-columns: minmax(0, 1fr); gap: .35rem; }
  .rb-set-row { flex-direction: column; align-items: flex-start; }
  .rb-panel { padding: 1.1rem; }
  .rb-h2 { font-size: 1.6rem; }
  .rb-res-place { font-size: 3rem; }
  .rb-garage .rb-panel { max-height: 60%; }
}
@media (max-height: 520px) {
  .rb-title-main { gap: .75rem; }
  .rb-logo { font-size: 3.6rem; }
  .rb-tagline { display: none; }
  .rb-menu { grid-template-columns: 1fr 1fr; max-width: 26rem; }
  .rb-btn { padding: .6rem .9rem; font-size: 1rem; }
  .rb-pos b { font-size: 1.8rem; }
  .rb-speed-row b { font-size: 2.4rem; }
  .rb-track { top: 4.2rem; }
  .rb-map { top: 3.6rem; width: 96px; height: 96px; }
  .rb-police { top: 6.4rem; }
  .rb-tbtn-steer { width: 4.2rem; height: 4.2rem; }
  .rb-tbtn { height: 3rem; }
  .rb-touch-right { grid-template-columns: repeat(3, 3.8rem); }
  .rb[data-touch="on"][data-mode="race"] .rb-hud-bottom, .rb[data-touch="on"][data-mode="countdown"] .rb-hud-bottom { bottom: 5.2rem; }
}
html.reduced-motion .rb-msg.is-on { animation-duration: .01s; opacity: 1; }
html.reduced-motion .rb-btn:hover { transform: none; }