:root {
  --fondo: #0b0806;
  --vetro: rgba(14, 10, 8, 0.86);
  --testo: #f1ece6;
  --tenue: #b3a99e;
  --accento: #ff6a1a;
  --accento-t: #1a0700;
  --giallo: #ffd23f;
  --bordo: rgba(255, 255, 255, 0.1);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) { --vetro: rgba(14, 10, 8, 0.86); } }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--fondo); color: var(--testo); overflow: hidden;
  font: 16px/1.45 "Barlow", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
canvas#scena { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
[hidden] { display: none !important; }

.demo-banner { position: fixed; top: 0; left: 0; right: 0; z-index: 50; text-align: center; padding: 5px 12px;
  background: var(--accento); color: var(--accento-t); font: 800 13px/1.2 "Barlow Condensed", sans-serif; letter-spacing: .1em; }

.schermata { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center end; padding: 44px clamp(16px, 5vw, 64px) 16px;
  background: linear-gradient(90deg, rgba(0,0,0,0) 30%, rgba(0,0,0,.65)); }
.finestra { width: min(440px, 100%); max-height: calc(100dvh - 70px); overflow: auto; background: var(--vetro);
  border: 1px solid var(--bordo); border-top: 3px solid var(--accento); padding: 24px 26px; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.finestra.larga { width: min(680px, 100%); }
h1 { font: italic 900 clamp(44px, 8vw, 72px)/0.9 "Barlow Condensed", sans-serif; text-transform: uppercase; margin: 0 0 4px; letter-spacing: .01em; }
h1 span { color: var(--accento); }
.sotto { font: 700 15px/1.2 "Barlow Condensed", sans-serif; color: var(--giallo); letter-spacing: .14em; text-transform: uppercase; margin: 0 0 14px; }
h2 { font: 800 30px/1 "Barlow Condensed", sans-serif; text-transform: uppercase; margin: 0 0 12px; }
h3 { font: 600 13px/1 "Barlow", sans-serif; color: var(--tenue); text-transform: uppercase; letter-spacing: .1em; margin: 18px 0 6px; }
.tenue { color: var(--tenue); }
.piccolo { font-size: 13px; color: var(--tenue); margin-top: 14px; }
a { color: var(--giallo); }
button, .bottone { display: block; width: 100%; min-height: 46px; margin: 6px 0; padding: 10px 14px; border: 1px solid var(--bordo);
  background: #221a15; color: var(--testo); font: 600 17px "Barlow", sans-serif; cursor: pointer; text-align: left; text-decoration: none;
  transition: background .15s, transform .1s, border-color .15s; }
button:hover, .bottone:hover { background: #2e231c; border-color: rgba(255,106,26,.5); }
button:active { transform: scale(.985); }
button.pri { background: var(--accento); color: var(--accento-t); border-color: transparent; font: italic 900 22px "Barlow Condensed", sans-serif; text-transform: uppercase; letter-spacing: .04em; }
button:focus-visible, input:focus-visible, a:focus-visible, select:focus-visible { outline: 2px solid var(--giallo); outline-offset: 2px; }
.riga { display: grid; grid-template-columns: 1fr 1fr; gap: 0 8px; }
label { display: block; margin: 10px 0 4px; color: var(--tenue); font-size: 14px; }
input, select { display: block; width: 100%; margin-top: 4px; min-height: 44px; padding: 8px 12px; background: #120d0a; color: var(--testo);
  border: 1px solid var(--bordo); font: 16px "Barlow", sans-serif; }
input[type=checkbox] { display: inline-block; width: auto; min-height: 0; margin-right: 8px; }
input[type=range] { padding: 0; }
.comandi, .funzioni, .classifica, .risultati, .giocatori { padding-left: 0; list-style: none; margin: 0; }
.comandi li { display: flex; gap: 12px; padding: 4px 0; align-items: baseline; }
.comandi kbd { min-width: 130px; padding: 2px 8px; background: rgba(255,255,255,.08); font: 600 14px "Barlow", sans-serif; }
.funzioni li { padding: 3px 0; color: var(--tenue); }
.classifica li { display: flex; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--bordo); }
.classifica li em { margin-left: auto; font-style: normal; font-variant-numeric: tabular-nums; }
.classifica li b, .risultati li b { color: var(--accento); }
.risultati li { display: grid; grid-template-columns: 34px 14px 1fr auto; gap: 2px 8px; align-items: baseline; padding: 6px 0; border-bottom: 1px solid var(--bordo); }
.risultati li em { font-style: normal; font-variant-numeric: tabular-nums; }
.risultati li small { grid-column: 3 / 5; color: var(--tenue); font-size: 12px; }
.risultati li i { grid-column: 4; font-style: normal; color: var(--giallo); font-weight: 700; }
.risultati li.io { background: rgba(255,106,26,.14); }
.giocatori li { padding: 6px 10px; margin: 4px 0; background: rgba(255,255,255,.06); }
.codice { font: italic 900 46px/1 "Barlow Condensed", sans-serif; color: var(--giallo); letter-spacing: .1em; margin: 6px 0 4px; }
.testo-lungo p { color: var(--tenue); font-size: 15px; }

.piste { display: grid; gap: 8px; }
button.pista { border-left: 6px solid var(--c, var(--accento)); display: grid; gap: 2px; }
button.pista b { font: italic 900 24px/1 "Barlow Condensed", sans-serif; text-transform: uppercase; }
button.pista span { color: var(--tenue); font-size: 14px; }
button.pista small { color: var(--giallo); font-size: 13px; }
.scelte { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
button.pilota { display: flex; align-items: center; gap: 10px; margin: 0; }
button.pilota i { width: 14px; height: 14px; border-radius: 50%; flex: none; }
button.scelto { border-color: var(--giallo); background: #3a2a14; }
.colori { display: flex; flex-wrap: wrap; gap: 8px; }
button.colore { width: 40px; height: 40px; min-height: 0; padding: 0; margin: 0; border-radius: 50%; border: 2px solid rgba(255,255,255,.25); }
button.colore.scelto { border: 3px solid #fff; }

#hud { position: fixed; inset: 0; z-index: 10; pointer-events: none; font-family: "Barlow Condensed", sans-serif; }
.hud-pos { position: absolute; left: 18px; bottom: 62px; font: italic 900 96px/0.85 "Barlow Condensed", sans-serif; color: #fff;
  text-shadow: 0 3px 0 rgba(0,0,0,.45), 0 0 24px rgba(0,0,0,.4); }
.hud-pos small { font-size: 34px; color: var(--giallo); }
.hud-giri { position: absolute; top: 40px; left: 16px; padding: 8px 14px; background: rgba(0,0,0,.5); border-left: 4px solid var(--accento); }
.hud-giri b { display: block; font: 900 26px/1 "Barlow Condensed", sans-serif; letter-spacing: .03em; }
.hud-giri span { display: block; font: 700 22px/1.2 "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums; }
.hud-giri small { display: block; color: var(--tenue); font: 600 16px "Barlow Condensed", sans-serif; font-variant-numeric: tabular-nums; }
.hud-ogg { position: absolute; top: 40px; left: 50%; transform: translateX(-50%); display: grid; justify-items: center; gap: 2px; }
.slot { width: 76px; height: 76px; display: grid; place-items: center; font-size: 38px; background: rgba(0,0,0,.55);
  border: 3px solid rgba(255,255,255,.7); border-radius: 14px; }
.slot.gira { border-color: var(--giallo); }
.slotNome { font: 700 15px "Barlow Condensed", sans-serif; text-shadow: 0 1px 2px #000; }
.velocita { position: absolute; right: 20px; bottom: 18px; font: italic 900 54px/1 "Barlow Condensed", sans-serif; text-shadow: 0 2px 0 rgba(0,0,0,.5); font-variant-numeric: tabular-nums; }
.velocita small { font-size: 20px; color: var(--tenue); }
#mappa { position: absolute; right: 14px; top: 40px; width: 170px; height: 170px; opacity: .95; }
.carica { position: absolute; left: 50%; bottom: 120px; transform: translateX(-50%); width: 180px; height: 8px; background: rgba(0,0,0,.5); border-radius: 4px; overflow: hidden; }
.carica::after { content: ""; display: block; height: 100%; width: 10%; background: #fff; transition: width .2s, background .2s; }
.carica.l1::after { width: 40%; background: #4aa8ff; } .carica.l2::after { width: 70%; background: #ff8a1f; } .carica.l3::after { width: 100%; background: #c060ff; }
.messaggio { position: absolute; left: 50%; top: 32%; transform: translateX(-50%); padding: 8px 22px; background: rgba(0,0,0,.55);
  font: italic 900 34px "Barlow Condensed", sans-serif; text-transform: uppercase; white-space: nowrap; }
.semaforo { position: absolute; left: 50%; top: 22%; transform: translateX(-50%); font: 900 64px/1 "Barlow Condensed", sans-serif; color: #ff2a2a;
  text-shadow: 0 0 18px rgba(255,40,40,.8); letter-spacing: .12em; }
.contromano { position: absolute; left: 50%; top: 45%; transform: translateX(-50%); padding: 10px 22px; background: #c8102e; font: italic 900 32px "Barlow Condensed", sans-serif; }

.touch { position: fixed; inset: 0; z-index: 12; pointer-events: none; }
.tbtn { position: absolute; bottom: 26px; width: 84px; height: 84px; min-height: 0; border-radius: 50%; pointer-events: auto; touch-action: none;
  background: rgba(255,255,255,.14); font: 900 18px "Barlow Condensed", sans-serif; padding: 0; text-align: center; }
#tSx { left: 20px; } #tDx { left: 118px; }
#tDeriva { right: 20px; bottom: 26px; background: rgba(255,106,26,.35); }
#tFreno { right: 118px; bottom: 20px; width: 70px; height: 70px; }
#tOgg { right: 40px; bottom: 126px; width: 70px; height: 70px; background: rgba(255,210,63,.3); }

.caricamento { position: fixed; inset: 0; z-index: 40; display: grid; place-content: center; justify-items: center; background: var(--fondo); gap: 10px; }
.giro { width: 42px; height: 42px; border: 3px solid var(--bordo); border-top-color: var(--accento); border-radius: 50%; animation: gira 1s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .giro { animation-duration: 3s; } }

.credit { position: fixed; right: 12px; bottom: 6px; z-index: 20; font-size: 12px; opacity: .7; }
.credit a { color: var(--testo); text-decoration: none; }

@media (max-width: 720px) {
  .schermata { place-items: end center; background: linear-gradient(180deg, rgba(0,0,0,0) 20%, rgba(0,0,0,.7)); }
  .hud-pos { font-size: 64px; bottom: auto; top: 120px; left: 12px; }
  #mappa { width: 120px; height: 120px; }
  .velocita { font-size: 34px; bottom: auto; top: 170px; right: 14px; }
  .slot { width: 60px; height: 60px; font-size: 30px; }
}