/* Archivo (SIL OFL 1.1, vendor/fonts/OFL.txt): asse wdth 62–125, wght 100–900. */
@font-face {
  font-family: "Archivo";
  src: url("../vendor/fonts/archivo-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --black: #000;
  --ink: #181818;
  --white: #fff;
  --paper: #f4f4f4;
  --muted: #8f8f8f;
  --muted-dark: #b4b4b4;
  --red: #da291c;
  --red-dark: #b01f15;
  --glass: rgba(0, 0, 0, 0.72);
  --line: rgba(255, 255, 255, 0.2);
  --line-strong: rgba(255, 255, 255, 0.55);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-family: var(--font);
  font-size: 13px;
  letter-spacing: 0.015em;
  color: var(--white);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--black);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

/* Studio chiaro dietro l'auto nelle viste 3D. */
body.mode-preview,
body.mode-start {
  background: radial-gradient(110% 80% at 50% 25%, #ffffff 0%, #ececec 60%, #d6d6d6 100%);
}

#camera-feed {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}
body.mode-camera #camera-feed { display: block; }

#stage, #stage canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* L'overlay è anche la radice "dom-overlay" della sessione WebXR. */
#overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}
#overlay > * { pointer-events: auto; }

#gesture-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  touch-action: none;
}
body.editing #gesture-layer { pointer-events: auto; }

/* --- Tipografia ---------------------------------------------------------- */

h1 {
  font-stretch: 125%;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.08;
}

.eyebrow, .chip, .btn, .action, .panel label, .vehicle small {
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* --- Barra superiore ----------------------------------------------------- */

.topbar {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: calc(48px + var(--safe-top));
  padding: var(--safe-top) 16px 0;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0));
}
#overlay .topbar { pointer-events: none; }
.topbar > * { pointer-events: auto; }
body.mode-start .topbar,
body.mode-preview .topbar { background: var(--ink); }

.brand {
  font-stretch: 125%;
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: 13px;
}
.brand span {
  font-stretch: 100%;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-left: 6px;
}

.chip {
  margin-left: auto;
  font-size: 10px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  color: var(--white);
}
.chip:empty { display: none; }

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--white);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
body.mode-start .icon-btn { display: none; }

.hint {
  position: relative;
  align-self: center;
  margin: 10px 16px 0;
  max-width: 440px;
  text-align: center;
  font-size: 12px;
  line-height: 1.45;
  padding: 9px 16px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  pointer-events: none !important;
}
.hint:empty, body.mode-start .hint { display: none; }
body.mode-preview .hint { background: transparent; color: var(--ink); backdrop-filter: none; -webkit-backdrop-filter: none; }

.place {
  position: absolute;
  left: 50%;
  bottom: calc(200px + var(--safe-bottom));
  transform: translateX(-50%);
  min-width: 220px;
}

/* --- Schermata iniziale -------------------------------------------------- */

.sheet {
  position: relative;
  margin: auto 0 0;
  padding: 28px 20px calc(20px + var(--safe-bottom));
  background: var(--ink);
  max-height: 64vh; /* lascia l'auto visibile sopra il pannello */
  overflow-y: auto;
  touch-action: pan-y;
}
body:not(.mode-start) .sheet { display: none; }
@media (min-width: 720px) {
  .sheet {
    margin: auto 48px auto auto;
    width: 440px;
    max-height: calc(100vh - 96px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
  }
}
.eyebrow {
  margin: 0;
  font-size: 11px;
  color: var(--muted-dark);
}
h1 {
  margin: 10px 0 12px;
  font-size: 25px;
}
.lead { margin: 0 0 20px; color: var(--muted-dark); font-size: 14px; line-height: 1.55; letter-spacing: 0; }
.start-actions { display: grid; gap: 10px; margin: 20px 0 16px; }
.note { font-size: 12px; color: var(--muted); line-height: 1.55; margin: 12px 0 0; letter-spacing: 0; }
.note:empty { display: none; }

.file {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1px dashed var(--line);
  font-size: 13px;
  cursor: pointer;
}
.file input { display: none; }
.file small { color: var(--muted); }

/* --- Pulsanti ------------------------------------------------------------ */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 20px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.btn[hidden] { display: none; }
.btn:hover { border-color: var(--white); }
.btn.primary { background: var(--red); border-color: var(--red); color: var(--white); }
.btn.primary:hover { background: var(--red-dark); border-color: var(--red-dark); }
/* Invito "testo + freccia nel cerchio". */
.btn.ghost { border-color: transparent; }
.btn.ghost::after {
  content: "›";
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0;
}
.btn.small { min-height: 36px; font-size: 11px; padding: 0 14px; }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn:active { transform: scale(0.99); }

/* --- HUD ----------------------------------------------------------------- */

#hud {
  position: relative;
  margin-top: auto;
  padding: 0 12px calc(12px + var(--safe-bottom));
  display: grid;
  gap: 8px;
  pointer-events: none;
}
#hud > * { pointer-events: auto; }
body.mode-start #hud { display: none; }

.panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-size: 11px;
}
.panel[hidden] { display: none; }
.panel label { display: grid; grid-template-columns: 1fr auto; gap: 6px 8px; }
.panel input[type="range"] { grid-column: 1 / -1; width: 100%; accent-color: var(--red); }
.panel output { color: var(--muted-dark); font-variant-numeric: tabular-nums; letter-spacing: 0.04em; }
.panel-row { display: flex; gap: 8px; flex-wrap: wrap; }
body:not(.mode-xr) .only-xr { display: none; }
body:not(.mode-camera) .only-camera { display: none; }
body.mode-preview #btn-align, body.mode-preview #btn-lock { display: none; }
#btn-peek { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }

.presets {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  touch-action: pan-x;
}
.presets::-webkit-scrollbar { display: none; }
.preset {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 156px;
  padding: 12px 16px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--white);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.preset .swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  flex: none;
}
.preset b { display: block; font-size: 13px; font-stretch: 125%; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.preset small { display: block; font-size: 11px; color: var(--muted-dark); margin-top: 3px; max-width: 170px; line-height: 1.35; }
.preset.active { border-color: var(--line-strong); }
/* Indicatore attivo: filetto rosso sotto la card. */
.preset.active::after,
.vehicle.active::after {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: -1px;
  height: 3px;
  background: var(--red);
}
.presets-start .preset { background: #222; backdrop-filter: none; -webkit-backdrop-filter: none; }

.actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
body.mode-preview .actions { grid-template-columns: 1fr; }
.action {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 12px 6px;
  border: 1px solid transparent;
  border-radius: 0;
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--white);
  font: inherit;
  font-size: 10px;
  font-weight: 500;
  cursor: pointer;
}
.action b { font-weight: inherit; }
.action span { font-size: 17px; line-height: 1; letter-spacing: 0; }
.action.active { border-color: var(--line-strong); }
body.locked #btn-lock { background: var(--red); }

.toast {
  position: absolute;
  left: 50%;
  top: calc(60px + var(--safe-top));
  transform: translateX(-50%);
  width: max-content;
  max-width: calc(100% - 32px);
  padding: 12px 16px;
  border-left: 3px solid var(--red);
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  line-height: 1.45;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  pointer-events: none !important;
}

/* --- Veicoli e crediti --------------------------------------------------- */

.vehicles {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  touch-action: pan-x;
}
.vehicles::-webkit-scrollbar { display: none; }
.vehicles .vehicle { flex: 0 0 auto; min-width: 150px; }
.vehicle {
  position: relative;
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.vehicle b { font-size: 13px; font-stretch: 125%; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.vehicle small { font-size: 10px; color: var(--muted); }
.vehicle.active { border-color: var(--line-strong); }
.credit a { color: inherit; }