/* Blu per le azioni, arancione per gli avvisi: mai rosso contro verde. */
:root {
  --sfondo: #f4f5f8;
  --carta: #ffffff;
  --testo: #1b1f2a;
  --tenue: #5d6475;
  --bordo: #dde1ea;
  --blu: #2457d6;
  --blu-scuro: #1a43a8;
  --blu-chiaro: #e8eefc;
  --arancio: #b85c00;
  --arancio-chiaro: #fff2e3;
  --raggio: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --sfondo: #12141a;
    --carta: #1b1e26;
    --testo: #eceef3;
    --tenue: #a3a9b8;
    --bordo: #2e3340;
    --blu: #6f97ff;
    --blu-scuro: #8eaeff;
    --blu-chiaro: #1f2a45;
    --arancio: #ffb066;
    --arancio-chiaro: #3a2a17;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--sfondo);
  color: var(--testo);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.pagina { max-width: 860px; margin: 0 auto; padding: 32px 16px 64px; }
.testata h1 { margin: 0 0 4px; font-size: 30px; letter-spacing: -0.02em; }
.testata p { margin: 0 0 24px; color: var(--tenue); }
h2 { margin: 0 0 16px; font-size: 19px; display: flex; align-items: center; gap: 10px; }
.numero {
  display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--blu); color: #fff; font-size: 15px;
}
.riquadro {
  background: var(--carta); border: 1px solid var(--bordo); border-radius: var(--raggio);
  padding: 20px; margin-bottom: 16px;
}
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input[type="text"], input[type="password"] {
  width: 100%; padding: 11px 12px; font: inherit; color: inherit; background: var(--sfondo);
  border: 1px solid var(--bordo); border-radius: 10px;
}
input[type="range"] { width: 100%; accent-color: var(--blu); }
.spunta { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.spunta input { margin-top: 5px; accent-color: var(--blu); }
.aiuto { color: var(--tenue); font-size: 14px; margin: 6px 0; }
.avviso {
  background: var(--arancio-chiaro); color: var(--arancio); border-radius: 10px;
  padding: 10px 12px; font-size: 14px; white-space: pre-line;
}
.avviso::before { content: "⚠ "; }
.riga { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.riga.centrata { justify-content: center; }
.riga input { flex: 1; min-width: 180px; }

.scelte { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (max-width: 640px) { .scelte { grid-template-columns: 1fr; } }
.scelta {
  position: relative; margin: 0; font-weight: 400; cursor: pointer; border: 2px solid var(--bordo);
  border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; gap: 4px;
}
.scelta input { position: absolute; opacity: 0; pointer-events: none; }
.scelta:has(input:checked) { border-color: var(--blu); background: var(--blu-chiaro); }
.scelta:has(input:focus-visible) { outline: 3px solid var(--blu); outline-offset: 2px; }
.scelta-titolo { font-weight: 700; }
.scelta-titolo::before { content: "○ "; color: var(--tenue); }
.scelta:has(input:checked) .scelta-titolo::before { content: "● "; color: var(--blu); }
.scelta-testo { color: var(--tenue); font-size: 14px; }
.opzioni { margin-top: 8px; }

.zona {
  border: 2px dashed var(--bordo); border-radius: 12px; padding: 24px 16px; text-align: center;
  transition: border-color .15s, background .15s;
}
.zona p { margin: 4px 0; }
.zona.sopra { border-color: var(--blu); background: var(--blu-chiaro); }
#riepilogo { margin-top: 12px; }

.bottone {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  background: var(--blu); color: #fff; border: 0; border-radius: 10px; padding: 11px 18px; margin: 0;
}
.bottone:hover { background: var(--blu-scuro); }
.bottone:disabled { opacity: .45; cursor: not-allowed; }
.bottone.secondario { background: transparent; color: var(--blu); border: 1px solid var(--blu); }
.bottone.secondario:hover { background: var(--blu-chiaro); }
.bottone.piccolo { padding: 6px 12px; font-size: 14px; }
.bottone.grande { width: 100%; padding: 15px 20px; font-size: 17px; }

.tela-contenitore { margin: 10px 0; }
#tela { width: 100%; height: auto; border-radius: 10px; touch-action: none; cursor: crosshair; display: block; }

.barra { height: 12px; border-radius: 6px; background: var(--sfondo); border: 1px solid var(--bordo); overflow: hidden; }
.barra-piena { height: 100%; width: 0; background: var(--blu); transition: width .4s; }
#finito { margin-top: 16px; }
#nuovo { margin-top: 16px; }
.griglia { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 16px; }
.coppia { margin: 0; border: 1px solid var(--bordo); border-radius: 10px; overflow: hidden; background: var(--sfondo); }
.coppia img { width: 100%; display: block; aspect-ratio: 3 / 2; object-fit: cover; cursor: pointer; }
.coppia figcaption { padding: 6px 10px; font-size: 13px; color: var(--tenue); overflow-wrap: anywhere; }
.coppia .etichetta { font-weight: 700; color: var(--blu); }
.coppia .nota { color: var(--arancio); display: block; }