/* ============================================================
   WORKER C — Sezione 05: Il Tavolo
   ============================================================ */

.s-tavolo {
  padding-block: var(--sp-section);
  background: var(--bg-void);
  position: relative;
  overflow: hidden;
}

.s-tavolo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 40%, var(--nebula-violet), transparent 70%);
  pointer-events: none;
}

.s-tavolo .container {
  position: relative;
  z-index: 1;
}

.s-tavolo .eyebrow,
.s-tavolo .h-display,
.s-tavolo .lead {
  text-align: center;
  margin-inline: auto;
}

.s-tavolo .h-display {
  max-width: var(--container-narrow);
}

.s-tavolo .lead {
  max-width: var(--container-narrow);
  margin-top: var(--sp-3);
  color: var(--ink-dim);
}

/* Stage 3D */
.s-tavolo__stage {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: var(--sp-5) auto var(--sp-3);
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--bg-deep);
  border: 1px solid var(--glass-brd);
  box-shadow: var(--shadow-card);
}

#tavolo-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Caption overlay per battute */
.s-tavolo__caption {
  position: absolute;
  bottom: var(--sp-3);
  left: 50%;
  transform: translateX(-50%);
  max-width: 80%;
  padding: var(--sp-2) var(--sp-3);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-brd);
  border-radius: var(--radius-m);
  color: var(--ink);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  text-align: center;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.s-tavolo__caption.is-visible {
  opacity: 1;
}

.s-tavolo__caption strong {
  display: block;
  font-size: var(--fs-small);
  color: var(--accent-soft);
  margin-bottom: 0.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Didascalia sotto */
.s-tavolo .faint {
  text-align: center;
  margin-top: var(--sp-2);
  font-size: var(--fs-small);
  color: var(--ink-faint);
}

/* Fallback senza WebGL */
.s-tavolo__stage[data-webgl="false"] #tavolo-canvas {
  display: none;
}

.s-tavolo__stage[data-webgl="false"] {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.s-tavolo__stage[data-webgl="false"] .s-tavolo__caption {
  position: static;
  transform: none;
  max-width: 100%;
  opacity: 1;
}

/* prefers-reduced-motion: scena statica */
@media (prefers-reduced-motion: reduce) {
  .s-tavolo__stage {
    aspect-ratio: auto;
    min-height: 200px;
  }

  .s-tavolo__caption {
    transition: none;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .s-tavolo__stage {
    aspect-ratio: 4 / 5;
    margin-block: var(--sp-4) var(--sp-2);
  }

  .s-tavolo__caption {
    max-width: 90%;
    font-size: var(--fs-small);
    padding: var(--sp-1) var(--sp-2);
  }
}