/* grid-overlay.css — overlay di debug visuale: mostra la griglia 12-col e
   evidenzia le 8 col centrali (col 3-10). Toggla con il pulsante fisso
   in basso a destra (gestito da static/js/grid-overlay.js).
   Solo in dev: NON includere in produzione. */

.grid-debug {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 200ms ease;
}
.grid-debug.is-on { opacity: 1; }
.grid-debug__container {
  width: 100%;
  max-width: var(--grid-max);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gutter);
  padding-inline: var(--grid-margin);
}
.grid-debug__col {
  background: rgba(255, 0, 0, 0.06);
  border-left: 1px dashed rgba(255, 0, 0, 0.35);
  border-right: 1px dashed rgba(255, 0, 0, 0.35);
}
/* Evidenzia le 8 col centrali (col 3..10) */
.grid-debug__col.is-content {
  background: rgba(0, 167, 157, 0.10);
  border-left: 1px solid rgba(0, 167, 157, 0.75);
  border-right: 1px solid rgba(0, 167, 157, 0.75);
}

/* Pulsante toggle */
.grid-debug-toggle {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 10000;
  background: var(--c-green-dark, #00423E);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}
.grid-debug-toggle:hover { background: #00A79D; }