/* SlotVision — estil "fintech premium" adaptat a app de cronometratge.
   Base navy/blanca, un sol primari viu, degradat només al hero,
   ombres blavoses en capes, xifres tabulars. */

:root {
  /* Color */
  --text: #0a2540;
  --text-2: #425466;
  --text-3: #6b7c93;
  --primary: #c2410c;          /* taronja de curses (AA sobre blanc) */
  --primary-hover: #9a3412;
  --primary-bright: #ff7a3d;   /* variant sobre fons fosc */
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --bg-dark: #0a2540;
  --surface-dark: #10294a;
  --surface-dark-2: #0d2140;
  --border: #e3e8ee;
  --border-dark: rgba(255, 255, 255, 0.10);
  --text-on-dark: #f5f8fc;
  --text-2-on-dark: #a9b8cc;
  --success: #09825d;
  --warning: #b35900;
  --danger: #df1b41;

  /* Tipografia */
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  /* Espai */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px;

  /* Forma i profunditat */
  --radius-sm: 6px; --radius: 10px; --radius-lg: 14px;
  --shadow-sm: 0 2px 5px -1px rgba(50, 50, 93, 0.22), 0 1px 3px -1px rgba(0, 0, 0, 0.28);
  --shadow: 0 13px 27px -5px rgba(50, 50, 93, 0.25), 0 8px 16px -8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 30px 60px -12px rgba(50, 50, 93, 0.25), 0 18px 36px -18px rgba(0, 0, 0, 0.3);
  --shadow-dark: 0 13px 27px -5px rgba(2, 12, 27, 0.5), 0 8px 16px -8px rgba(2, 12, 27, 0.55);

  /* Moviment */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --dur: 200ms;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  font: 400 16px/1.55 var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}
h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
noscript { display: block; padding: var(--s-6); }

/* ---------- pantalles ---------- */
.screen { display: none; min-height: 100dvh; }
.screen.active { display: block; }
.screen.active.flex-screen, #screen-race.active {
  display: flex;
  flex-direction: column;
}
.container { width: min(100% - 32px, 720px); margin-inline: auto; }

/* ---------- hero (degradat només aquí) ---------- */
.hero {
  position: relative;
  background: linear-gradient(120deg, #ffb27a, #ffcb57, #80e9ff, #7a73ff);
  background-size: 300% 300%;
  animation: flow 15s ease infinite;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
  padding: clamp(48px, 9vw, 96px) 24px clamp(72px, 11vw, 128px);
  color: var(--text);
}
@keyframes flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-inner { max-width: 720px; margin-inline: auto; }
.hero-badge {
  display: inline-block;
  font: 600 13px/1 var(--font-mono);
  letter-spacing: 0.14em;
  background: rgba(10, 37, 64, 0.85);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: var(--s-5);
}
.hero h1 { font-size: clamp(34px, 7vw, 60px); margin-bottom: var(--s-4); }
.hero-sub {
  font-size: clamp(16px, 2.4vw, 19px);
  color: var(--text);
  opacity: 0.82;
  max-width: 56ch;
  margin-bottom: var(--s-6);
}
.hero-cta { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.hero-cta .btn { color: var(--text); }
/* sobre el degradat clar, els botons secundaris han de portar text fosc (contrast AA) */
.hero-cta .btn-secondary-dark {
  color: var(--text);
  background: rgba(10, 37, 64, 0.10);
  box-shadow: inset 0 0 0 1.5px rgba(10, 37, 64, 0.35);
}
.hero-cta .btn-secondary-dark:hover { background: rgba(10, 37, 64, 0.18); }

/* ---------- botons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  padding: 11px 20px;
  border-radius: 999px;
  font: 600 15px/1.2 var(--font);
  background: var(--primary);
  color: #fff;
  border: 0;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { background: var(--primary-hover); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 40%, transparent); outline-offset: 2px; }
.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-sm { padding: 8px 14px; font-size: 14px; }
.btn-secondary {
  background: transparent;
  color: var(--primary);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--primary) 45%, transparent);
}
.btn-secondary:hover { background: color-mix(in srgb, var(--primary) 8%, transparent); }
.btn-secondary-dark {
  background: rgba(255, 255, 255, 0.10);
  color: var(--text-on-dark);
  backdrop-filter: blur(6px);
}
.btn-secondary-dark:hover { background: rgba(255, 255, 255, 0.18); }
.btn-ghost-dark {
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.35);
}
.btn-ghost-dark:hover { background: rgba(255, 255, 255, 0.10); }
.btn-danger-sm {
  background: var(--danger);
  color: #fff;
  padding: 8px 16px; font-size: 14px;
}
.btn-danger-sm:hover { background: #c01738; }
.btn-danger-ghost {
  background: transparent;
  color: var(--danger);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--danger) 45%, transparent);
}
.link-btn {
  background: none; border: 0; padding: 0;
  color: var(--primary); font-weight: 600; font-size: 14px;
}
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--text);
  transition: background var(--dur) var(--ease);
}
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn:hover { background: var(--bg-soft); }
.appbar-dark .icon-btn { color: var(--text-on-dark); }
.appbar-dark .icon-btn:hover { background: rgba(255, 255, 255, 0.10); }

/* ---------- barra superior ---------- */
.appbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--s-2);
  padding: 10px 12px calc(10px) ;
  padding-top: max(10px, env(safe-area-inset-top));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.appbar h2 { font-size: 18px; flex: 1; }
.appbar-spacer { width: 42px; }
.appbar-actions { display: flex; align-items: center; gap: var(--s-2); }
.appbar-dark {
  background: color-mix(in srgb, var(--bg-dark) 88%, transparent);
  border-bottom: 1px solid var(--border-dark);
  color: var(--text-on-dark);
}

/* ---------- secció de vídeo ---------- */
.video-section {
  background: var(--bg-dark);
  display: grid;
  place-items: center;
  padding: 14px;
  padding-bottom: max(14px, env(safe-area-inset-bottom));
}
.video-section.race-video { flex: 1; min-height: 0; }
#screen-setup .video-section { height: min(62vh, 560px); }
.video-frame {
  position: relative;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-dark);
  touch-action: none;
  /* mida per defecte (abans d'activar la font d'imatge el JS la ajusta) */
  width: min(100%, 720px);
  max-height: 100%;
  aspect-ratio: 4 / 3;
}
.video-frame video,
.video-frame canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.video-frame #freeze { z-index: 30; cursor: crosshair; }
.video-frame #overlay { z-index: 10; }

.gate {
  position: absolute; inset: 0; z-index: 20;
  display: grid; place-items: center;
  background: radial-gradient(120% 120% at 50% 0%, #12335e 0%, var(--bg-dark) 70%);
  padding: var(--s-5);
  text-align: center;
}
.gate-box { max-width: 420px; display: grid; gap: var(--s-3); justify-items: center; }
.gate-title { font: 600 20px/1.3 var(--font); color: var(--text-on-dark); }
.gate-sub { color: var(--text-2-on-dark); font-size: 14px; margin-bottom: var(--s-3); }
.gate-error { color: #ff9aa8; font-size: 13px; max-width: 40ch; }

.video-hud {
  position: absolute; left: 10px; bottom: 10px; z-index: 15;
  font: 500 11px/1.4 var(--font-mono);
  color: rgba(255, 255, 255, 0.85);
  background: rgba(4, 16, 33, 0.55);
  padding: 5px 9px;
  border-radius: 8px;
  backdrop-filter: blur(4px);
  pointer-events: none;
  white-space: pre-line;
}
.hint-bar {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  z-index: 35;
  display: flex; align-items: center; gap: var(--s-3);
  background: rgba(4, 16, 33, 0.78);
  color: var(--text-on-dark);
  font-size: 13.5px; font-weight: 500;
  padding: 9px 8px 9px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  max-width: calc(100% - 24px);
  white-space: nowrap;
}
.hint-cancel {
  background: rgba(255, 255, 255, 0.14); border: 0; color: #fff;
  padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
}
.video-tools {
  position: absolute; top: 10px; right: 10px; z-index: 15;
  display: flex; gap: 8px;
}
.tool-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 999px; border: 0;
  background: rgba(4, 16, 33, 0.55);
  color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  transition: background var(--dur) var(--ease);
}
.tool-btn svg { width: 19px; height: 19px; }
.tool-btn:hover, .tool-btn.on { background: rgba(255, 122, 61, 0.75); }

/* ---------- targetes ---------- */
.card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--s-5);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-2);
}
.card-head h3 { font-size: 17px; }
.card-sub { color: var(--text-3); font-size: 13.5px; margin-top: var(--s-2); }

.setup-panels { display: grid; gap: var(--s-4); padding: var(--s-5) 0 var(--s-7); }

.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--s-3); }
.chip-list:empty { margin: 0; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px; font-weight: 500;
}
.chip .dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--c, #999);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12);
}
.chip .live {
  width: 8px; height: 8px; border-radius: 50%;
  background: #cbd3dd;
  transition: background var(--dur) var(--ease);
}
.chip .live.on { background: var(--success); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 18%, transparent); }
.chip .x {
  border: 0; background: none; color: var(--text-3);
  font-size: 15px; padding: 0 2px; line-height: 1;
}
.chip .x:hover { color: var(--danger); }
.chip input.rename {
  border: 1px solid var(--primary);
  border-radius: 6px;
  font: 500 14px var(--font);
  padding: 2px 6px;
  width: 110px;
}

.btn-row { display: flex; gap: var(--s-2); flex-wrap: wrap; }

.slider-row {
  display: grid;
  grid-template-columns: 1fr auto 56px;
  align-items: center; gap: var(--s-3);
  margin-top: var(--s-4);
  font-size: 14px; font-weight: 500; color: var(--text-2);
}
.slider-row input[type="range"] { width: min(190px, 40vw); accent-color: var(--primary); }
.slider-row .mono { text-align: right; color: var(--text); font-size: 13px; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); margin-top: var(--s-4); }
.field label {
  display: block;
  font-size: 13px; font-weight: 600; color: var(--text-2);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: 500 15px var(--font-mono);
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}

.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-2); }
.mode-card {
  position: relative;
  display: grid; gap: 2px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.mode-card input { position: absolute; opacity: 0; }
.mode-card b { font-size: 14.5px; }
.mode-card span { font-size: 12px; color: var(--text-3); }
.mode-card:has(input:checked) {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, white);
  box-shadow: 0 0 0 1px var(--primary);
}

.start-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-2);
}
.setup-status { color: var(--text-3); font-size: 13.5px; max-width: 46ch; }
.btn-start { flex-shrink: 0; }

/* ---------- pantalla de cursa ---------- */
#screen-race { background: var(--bg-dark); color: var(--text-on-dark); height: 100dvh; overflow: hidden; }
.race-clock { font-size: 26px; font-weight: 600; min-width: 88px; }
.race-mode-label { color: var(--text-2-on-dark); font-size: 13px; flex: 1; text-align: center; }

.countdown {
  position: absolute; inset: 0; z-index: 40;
  display: grid; place-items: center;
  background: rgba(4, 16, 33, 0.55);
  backdrop-filter: blur(2px);
  font: 600 clamp(64px, 18vw, 130px)/1 var(--font);
  color: #fff;
  text-shadow: 0 10px 40px rgba(2, 12, 27, 0.6);
}
.countdown.pulse { animation: cd-pulse 0.9s var(--ease) infinite; }
@keyframes cd-pulse {
  0% { transform: scale(0.82); opacity: 0.4; }
  30% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1); opacity: 0.85; }
}
.pause-ovl {
  position: absolute; inset: 0; z-index: 40;
  display: grid; place-content: center; justify-items: center; gap: var(--s-5);
  background: rgba(4, 16, 33, 0.72);
  backdrop-filter: blur(4px);
}
.pause-title { font: 600 30px/1 var(--font); letter-spacing: 0.08em; color: #fff; }
.race-fx {
  position: absolute; inset: 0; z-index: 38;
  pointer-events: none;
  opacity: 0;
  transition: opacity 350ms var(--ease);
}
.race-fx.flash-lap { background: radial-gradient(60% 60% at 50% 50%, rgba(9, 130, 93, 0.30), transparent 75%); opacity: 1; }
.race-fx.flash-out { background: radial-gradient(60% 60% at 50% 50%, rgba(223, 27, 65, 0.38), transparent 75%); opacity: 1; }
.race-fx.flash-best { background: radial-gradient(60% 60% at 50% 50%, rgba(255, 122, 61, 0.35), transparent 75%); opacity: 1; }

.race-bottom { padding: 0 var(--s-4) calc(var(--s-4) + env(safe-area-inset-bottom)); display: grid; gap: var(--s-3); }
.event-ticker {
  display: flex; flex-direction: column; gap: 2px;
  min-height: 58px;
  font-size: 13.5px;
}
.ev {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-2-on-dark);
  animation: ev-in 240ms var(--ease);
}
.ev:first-child { color: var(--text-on-dark); font-weight: 500; }
.ev i {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--c, #999);
  flex-shrink: 0;
}
.ev b { color: inherit; }
@keyframes ev-in {
  from { transform: translateY(-4px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
.car-cards {
  display: flex; gap: var(--s-3);
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.car-cards::-webkit-scrollbar { display: none; }
.car-card {
  flex: 1 0 150px;
  max-width: 210px;
  background: var(--surface-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  display: grid; gap: 6px;
  box-shadow: var(--shadow-dark);
  position: relative;
}
.car-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--c, var(--primary));
  opacity: 0.9;
}
.cc-head { display: flex; align-items: center; gap: 7px; font-weight: 600; font-size: 14px; }
.cc-head .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.cc-head .stall-badge {
  margin-left: auto;
  font: 600 10px/1 var(--font);
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--danger);
  border-radius: 999px;
  padding: 4px 8px;
  animation: cd-pulse 0.8s var(--ease) infinite;
}
.cc-laps { display: flex; align-items: baseline; gap: 6px; }
.cc-laps b { font: 600 32px/1 var(--font-mono); font-variant-numeric: tabular-nums; }
.cc-laps small { color: var(--text-2-on-dark); font-size: 12px; }
.cc-row {
  display: flex; justify-content: space-between;
  font-size: 12.5px; color: var(--text-2-on-dark);
}
.cc-row b { font: 500 13px var(--font-mono); color: var(--text-on-dark); font-variant-numeric: tabular-nums; }
.cc-row .best { color: var(--primary-bright); }
.cc-row .off { color: var(--text-2-on-dark); opacity: 0.6; }

/* ---------- resultats ---------- */
.results-actions { display: flex; gap: var(--s-3); justify-content: center; padding: var(--s-5) 0 var(--s-8); flex-wrap: wrap; }
.podium {
  display: flex; align-items: flex-end; gap: var(--s-3);
  margin: var(--s-5) 0 var(--s-6);
}
.podium-slot {
  flex: 1;
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 14px;
  text-align: center;
  display: grid; gap: 4px;
}
.podium-slot.p1 { padding-bottom: 28px; box-shadow: var(--shadow); transform: translateY(-6px); }
.podium-rank { font: 600 13px var(--font-mono); color: var(--text-3); }
.podium-dot { width: 16px; height: 16px; border-radius: 50%; margin-inline: auto; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12); }
.podium-name { font-weight: 600; font-size: 15px; }
.podium-laps { font: 600 24px/1 var(--font-mono); font-variant-numeric: tabular-nums; }
.podium-best { font-size: 12.5px; color: var(--text-3); }

.res-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.res-table th {
  text-align: left;
  font: 600 11.5px var(--font);
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-3);
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
.res-table th.r, .res-table td.r { text-align: right; }
.res-table td {
  padding: 11px 8px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}
.res-table td.mono { font-family: var(--font-mono); font-size: 13.5px; }
.res-table tr.win td { background: color-mix(in srgb, var(--primary) 5%, white); }
.car-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--c); margin-right: 8px; vertical-align: -1px; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12); }

.zone-section { margin: var(--s-6) 0; }
.zone-row { display: grid; grid-template-columns: 110px 1fr 40px; align-items: center; gap: var(--s-3); padding: 8px 0; }
.zone-name { font-size: 13.5px; font-weight: 500; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zone-track { height: 14px; border-radius: 999px; background: var(--bg-soft); display: flex; overflow: hidden; }
.zone-track i { height: 100%; background: var(--c); }
.zone-count { font: 600 13px var(--font-mono); text-align: right; }

/* ---------- historial ---------- */
.hist-item {
  display: block; width: 100%; text-align: left;
  background: var(--bg);
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--s-4) var(--s-5);
  margin-bottom: var(--s-3);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
  cursor: pointer;
}
.hist-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.hist-top { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); }
.hist-date { font-weight: 600; font-size: 15px; }
.hist-mode {
  font: 600 11px/1 var(--font);
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, white);
  padding: 5px 10px; border-radius: 999px;
}
.hist-line { color: var(--text-2); font-size: 14px; margin-top: 6px; }
.hist-mini { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.hist-mini span { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-3); font-family: var(--font-mono); }
.hist-del {
  border: 0; background: none; color: var(--text-3);
  font-size: 16px; padding: 4px;
}
.hist-del:hover { color: var(--danger); }
.empty-note { color: var(--text-3); text-align: center; padding: var(--s-8) 0; }

/* ---------- ajustos ---------- */
.check-row {
  display: flex; align-items: center; gap: var(--s-3);
  padding: 10px 0;
  font-size: 15px; font-weight: 500;
  cursor: pointer;
}
.check-row input { width: 20px; height: 20px; accent-color: var(--primary); }

/* ---------- hero features / footer ---------- */
.feature-grid { display: grid; gap: var(--s-4); padding: var(--s-6) 0 var(--s-6); }
.feature h3 { font-size: 16.5px; margin: 10px 0 6px; }
.feature p { color: var(--text-2); font-size: 14.5px; }
.feature-ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-size: 22px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--primary) 9%, white);
}
.home-foot {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  color: var(--text-3);
  font-size: 13.5px;
  padding: 0 0 var(--s-7);
}
.install-fab {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 50;
  background: var(--bg-dark);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.install-fab:hover { background: var(--surface-dark); }

/* ---------- diàleg i toast ---------- */
.dlg {
  border: 0;
  border-radius: 16px;
  padding: var(--s-5);
  max-width: min(92vw, 540px);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.dlg::backdrop { background: rgba(6, 20, 38, 0.55); backdrop-filter: blur(3px); }
.dlg h3 { font-size: 19px; margin-bottom: var(--s-3); }
.dlg ol { padding-left: 20px; display: grid; gap: 10px; color: var(--text-2); font-size: 14.5px; margin: 0 0 var(--s-4); }
.dlg ol b { color: var(--text); }
.dlg .btn { justify-self: end; }
.toast {
  position: fixed;
  left: 50%; bottom: 24px;
  transform: translate(-50%, 20px);
  background: var(--bg-dark);
  color: #fff;
  font-size: 14px; font-weight: 500;
  padding: 11px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 100;
  max-width: min(88vw, 480px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- responsive ---------- */
@media (min-width: 700px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); gap: var(--s-5); padding-block: var(--s-7); }
  .setup-panels { gap: var(--s-5); }
  .race-bottom { padding-inline: var(--s-6); }
  .car-card { flex: 1 0 170px; }
}
@media (max-width: 420px) {
  .mode-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .start-row { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-start { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .hero { animation: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}