/* ============================================================
   PALCO 3D — canvas WebGL, galleria degli ambienti, regolazioni
   ============================================================ */

#board-root .bd-3d { position: absolute; inset: 0; }
#board-root .bd-3d canvas.stage3d-canvas {
  display: block;
  width: 100%; height: 100%;
  touch-action: none;
  cursor: grab;
}
#board-root .bd-3d canvas.stage3d-canvas:active { cursor: grabbing; }

/* ---------- ambientazione scritta a parole ---------- */
.bd-write { display: grid; gap: 8px; }
.bd-write .bd-desc {
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.5;
  min-height: 84px;
  resize: vertical;
}
.bd-write-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.bd-write-row .bd-hint { font-size: .82rem; }
.bd-gallery-label { margin-bottom: 8px; }

/* miniatura delle scene scritte, nella lista del Master */
#board-master .bd-scene-written {
  background:
    radial-gradient(ellipse at 50% 80%, rgba(232, 196, 84, .35), transparent 60%),
    linear-gradient(180deg, #2b2317, #100c07);
  font-size: 1rem;
  color: var(--gold-2);
}

/* ---------- galleria degli ambienti (modal) ---------- */
.bd-envpick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.bd-envcard {
  display: grid; gap: 5px; justify-items: center; text-align: center;
  padding: 10px 8px 12px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  color: var(--bone);
  transition: border-color .18s, box-shadow .18s, transform .14s;
}
.bd-envcard:hover {
  border-color: var(--gold);
  box-shadow: var(--glow-gold);
  transform: translateY(-2px);
}
.bd-envcard:disabled { opacity: .5; transform: none; }
.bd-envname {
  font-family: var(--font-display);
  font-size: .82rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--gold-2);
}
.bd-envhint { font-size: .76rem; line-height: 1.3; }

/* anteprima dipinta a gradienti: dà il tono dell'ambiente senza immagini */
.bd-envart {
  width: 100%; height: 62px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, .5);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, .55);
}
.bd-env-cripta {
  background:
    radial-gradient(ellipse at 30% 75%, rgba(255, 150, 60, .5), transparent 55%),
    linear-gradient(180deg, #241c14, #0d0a07);
}
.bd-env-taverna {
  background:
    radial-gradient(ellipse at 50% 80%, rgba(255, 160, 70, .6), transparent 60%),
    linear-gradient(180deg, #4a3320, #16100a);
}
.bd-env-foresta {
  background:
    radial-gradient(ellipse at 60% 20%, rgba(150, 190, 240, .35), transparent 55%),
    linear-gradient(180deg, #16221c, #0a1210);
}
.bd-env-trono {
  background:
    linear-gradient(105deg, transparent 40%, rgba(120, 170, 230, .3) 50%, transparent 60%),
    radial-gradient(ellipse at 50% 90%, rgba(180, 40, 40, .45), transparent 60%),
    linear-gradient(180deg, #2c2419, #100c08);
}
.bd-env-caverna {
  background:
    radial-gradient(circle at 70% 60%, rgba(80, 210, 225, .35), transparent 50%),
    radial-gradient(ellipse at 25% 80%, rgba(255, 140, 50, .35), transparent 55%),
    linear-gradient(180deg, #17222a, #070b0e);
}
.bd-env-accampamento {
  background:
    radial-gradient(ellipse at 50% 85%, rgba(255, 150, 60, .55), transparent 55%),
    radial-gradient(circle at 20% 20%, rgba(220, 235, 255, .5), transparent 8%),
    radial-gradient(circle at 70% 15%, rgba(220, 235, 255, .4), transparent 6%),
    linear-gradient(180deg, #0d1322, #06080f);
}

.bd-envfield { margin-top: 14px; }

/* ---------- miniatura 3D nella lista scene ---------- */
#board-master .bd-scene-3d {
  width: 62px; height: 42px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, .5);
  font-family: var(--font-display);
  font-size: .62rem;
  letter-spacing: .14em;
  color: rgba(255, 240, 210, .85);
  text-shadow: 0 1px 3px rgba(0, 0, 0, .8);
}

/* ---------- cursori dell'atmosfera ---------- */
#board-master .bd-slider {
  display: grid;
  grid-template-columns: 74px 1fr;
  align-items: center;
  gap: 8px;
  width: 100%;
}
#board-master .bd-slider span {
  font-family: var(--font-display);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bone-dim);
}
#board-master .bd-slider input[type="range"] { width: 100%; accent-color: var(--gold); }

@media (max-width: 720px) {
  .bd-envpick { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}