/* ============================================================================
   clock.css — solo ciò che è specifico del generatore di quadranti.
   Token, temi, campi, switch, slider e card di anteprima arrivano da base.css.
   ========================================================================== */

/* Colonna dei controlli: più pannelli richiudibili impilati. */
.controls { flex: 0 0 320px; display: flex; flex-direction: column; gap: var(--sp4); }

/* I pannelli qui sono <details>: la freccia nativa è sostituita da +/– */
.panel summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-sm); font-weight: 600; letter-spacing: .03em;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
.panel summary::-webkit-details-marker { display: none; }
.panel summary::after { content: "+"; color: var(--faint); font-size: 1.1em; }
.panel[open] summary::after { content: "–"; }
.panel summary:focus-visible { outline: 2px solid var(--accent-h); outline-offset: 3px; border-radius: var(--r-sm); }
.panel .panel-body { padding-top: var(--sp5); }

/* Selettore a due stati (cerchio/quadrato, statica/live). */
.mode-toggle {
  display: flex; background: var(--s2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 4px; margin-bottom: var(--sp4);
}
.mode-toggle button {
  flex: 1; padding: 8px; border-radius: var(--r-md);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .03em;
  color: var(--muted); transition: background var(--ease), color var(--ease);
}
.mode-toggle button.active { background: var(--accent); color: var(--on-accent); }
.mode-toggle button:focus-visible { outline: 2px solid var(--accent-h); outline-offset: 2px; }

/* Miniatura del file caricato come indice/tacca/lancetta personalizzata.
   Lo sfondo a scacchi rende visibile la trasparenza dei PNG/SVG. */
.upload-preview-row { display: flex; align-items: center; gap: var(--sp3); margin-top: var(--sp2); }
.upload-preview {
  width: 36px; height: 36px; flex-shrink: 0; object-fit: contain;
  border-radius: var(--r-md); border: 1px solid var(--border2);
  background: repeating-conic-gradient(#8884 0% 25%, transparent 0% 50%) 50%/10px 10px;
  padding: 2px;
}
.upload-preview[hidden] { display: none; }

/* Griglia dei pulsanti di export: i singoli livelli sono secondari,
   "scarica tutti" (ZIP) e "tutto in un unico file" occupano l'intera riga. */
.export-panel { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp3); }
.export-panel .btn-dl { margin: 0; padding: 10px; font-size: var(--text-xs); }
.btn-layer {
  background: var(--s2); border: 1px solid var(--border2); color: var(--text);
}
.btn-layer:hover { background: var(--s3); border-color: var(--accent); color: var(--accent-h); box-shadow: none; }
.btn-dl-all { grid-column: span 2; }
.btn-dl-combined {
  grid-column: span 2;
  background: var(--accent); color: var(--on-accent);
}
.btn-dl-combined:hover { background: var(--accent-h); box-shadow: 0 0 24px var(--ag); }
.btn-dl:disabled { opacity: .6; cursor: progress; transform: none; }

/* La tela dell'anteprima resta bianca in entrambi i temi: è il "foglio". */
#svg-wrapper { min-height: 440px; }
#svg-wrapper svg { width: 100%; height: 100%; max-width: 480px; max-height: 480px; }

@media (max-width: 900px) {
  .controls { flex: 1 1 100%; }
}
@media (max-width: 600px) {
  .export-panel { grid-template-columns: 1fr; }
  .export-panel .btn-dl-all, .export-panel .btn-dl-combined { grid-column: span 1; }
}