/* Scansione. Tutto sotto .scan, con i colori e i caratteri dell'app; nessuna variabile nuova su :root. */
.scan { display: block; min-width: 0; color: var(--ink); font-family: var(--font-b); overflow-wrap: break-word; }
.scan *, .scan *::before, .scan *::after { box-sizing: border-box; }
.scan h1, .scan h2, .scan h3 { font-family: var(--font-d); margin: 0; }
.scan p { margin: 0; }
.scan [hidden] { display: none !important; }
.scan :focus-visible { outline: 3px solid var(--signal-ink); outline-offset: 2px; border-radius: 4px; }

.scan-head { padding: 12px 0 22px; }
.scan-lede { margin-top: 10px; color: var(--ink-2); max-width: 32em; }

.scan-block { padding: 24px 0; border-top: 1px solid var(--line); }
.scan-block > * + *, .scan-flow > * + * { margin-top: 12px; }
.scan-block > h3, .scan-flow > h3 + h3, .scan-flow > * + h3 { margin-top: 30px; }
.scan-block > h2 + *, .scan-flow > h3:first-child { margin-top: 12px; }
.scan-block > h3 + *, .scan-flow > h3 + * { margin-top: 8px; }

.scan .scan-note { color: var(--ink-2); font-size: 0.9375rem; }
.scan-meta { color: var(--ink-2); }

.scan .scan-list { margin: 0; padding: 0 0 0 1.25em; }
.scan ul.scan-list { list-style: disc; }
.scan ol.scan-list { list-style: decimal; }
.scan .scan-list li { padding-left: 0.15em; }
.scan .scan-list li + li { margin-top: 6px; }
.scan .scan-list li::marker { color: var(--ink-2); }

/* Istruzioni per la foto */
.scan-how { border: 1.5px solid var(--line); border-radius: var(--r-m); padding: 0 16px; }
.scan-how > summary { cursor: pointer; padding: 14px 0; font: 600 1rem/1.25 var(--font-d); }
.scan-how > summary::marker { color: var(--petrol); }
.scan-how > :not(summary) { margin-top: 0; margin-bottom: 14px; }

/* Scelta della vista */
.scan-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0; padding: 0; min-width: 0; border: 1.5px solid var(--ink); border-radius: var(--r-m); }
.scan-choice legend { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.scan-choice label { display: block; position: relative; cursor: pointer; min-width: 0; }
.scan-choice label + label { border-left: 1.5px solid var(--ink); }
.scan-choice input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.scan-choice span { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 58px; padding: 8px 6px; text-align: center; }
.scan-choice label:first-of-type span { border-radius: calc(var(--r-m) - 2px) 0 0 calc(var(--r-m) - 2px); }
.scan-choice label:last-of-type span { border-radius: 0 calc(var(--r-m) - 2px) calc(var(--r-m) - 2px) 0; }
.scan-choice strong { font: 600 1rem/1.15 var(--font-d); }
.scan-choice small { font-size: 0.8125rem; line-height: 1.2; opacity: 0.85; }
.scan-choice input:checked + span { background: var(--ink); color: var(--bg); }
.scan-choice input:focus-visible + span { outline: 3px solid var(--signal-ink); outline-offset: -5px; }
.scan-choice input:disabled + span { opacity: 0.5; }

.scan-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.scan-actions > .btn:not(.quiet) { flex: 1 1 8.5rem; }
.scan .btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.scan .btn.danger { border-color: var(--alert); color: var(--alert); }
.scan .btn.quiet { text-align: left; }
.scan-file { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; clip-path: inset(50%); pointer-events: none; }
.scan-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Avanzamento ed errori */
.scan-progress { background: var(--air); border-radius: var(--r-m); padding: 14px 16px; }
.scan-progress > * + * { margin-top: 10px; }
.scan-progress progress { display: block; width: 100%; height: 12px; accent-color: var(--petrol); }
.scan .scan-error { border: 1.5px solid var(--alert); border-radius: var(--r-m); padding: 12px 14px; color: var(--ink); }

/* Risultato */
.scan [data-part="result-title"]:focus { outline: none; }
.scan-figure { margin: 0; }
.scan-figure figcaption { margin-top: 8px; color: var(--ink-2); font-size: 0.875rem; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.scan-photo canvas { display: block; width: 100%; height: auto; max-height: 80vh; object-fit: contain; border-radius: var(--r-m); background: var(--surface); }

.scan-metrics { margin: 0; }
.scan-metric { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.scan-metric:first-child { border-top: 1px solid var(--line); }
.scan-metric dt { font-weight: 700; align-self: baseline; }
.scan-metric dd { margin: 0; }
.scan-value { font: 700 1.25rem/1.2 var(--font-d); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.scan-unit { font: 400 0.875rem/1 var(--font-b); color: var(--ink-2); }
.scan-metric .scan-note { grid-column: 1 / -1; }

.scan-index { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.scan-index-n { font: 800 clamp(3rem, 16vw, 4.25rem)/0.95 var(--font-d); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.scan-index-l { color: var(--ink-2); }
.scan-missing { font: 700 1.5rem/1.15 var(--font-d); }
.scan-warn-title { font-weight: 700; }
.scan .scan-warnings { margin: 0; padding: 0; list-style: none; }
.scan .scan-warnings li { padding: 6px 0 6px 14px; border-left: 3px solid var(--signal); font-size: 0.9375rem; }
.scan .scan-warnings li + li { margin-top: 8px; }

/* Grafici */
.scan-chart { display: block; width: 100%; height: auto; overflow: visible; }
.scan-chart .t { font: 400 11px/1 var(--font-b); fill: var(--ink-2); }
.scan-chart .base { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 4 4; }
.scan-chart .grid { stroke: var(--line); stroke-width: 1; }
.scan-chart .dip { fill: var(--air); }
.scan-chart .prev { fill: none; stroke: var(--ink-2); stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; opacity: 0.75; }
.scan-chart .cur { fill: none; stroke: var(--petrol); stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.scan-trend .cur { stroke-width: 2.5; }
.scan-chart .dot { fill: var(--surface); stroke: var(--petrol); stroke-width: 2.5; }
.scan-chart .dot.last { fill: var(--petrol); }
.scan-key { display: inline-flex; align-items: center; gap: 6px; }
.scan-swatch { display: inline-block; width: 18px; height: 0; border-top: 3px solid var(--petrol); }
.scan-swatch.prev { border-top: 1.5px solid var(--ink-2); }
.scan-swatch.base { border-top: 1px dashed var(--ink-2); }

/* Rilievo 3D */
.scan-relief { border: 1.5px solid var(--line); border-radius: var(--r-m); background: var(--surface); overflow: hidden; }
.scan-relief canvas { display: block; width: 100%; aspect-ratio: 1 / 1.08; max-height: 70vh; touch-action: pan-y; cursor: grab; }
.scan-relief canvas:active { cursor: grabbing; }
.scan-relief canvas:focus-visible { outline-offset: -3px; }
.scan-relief-controls { padding: 6px 14px 14px; border-top: 1px solid var(--line); }
.scan-relief-controls > * + * { margin-top: 6px; }
.scan-relief-controls .scan-actions { gap: 0 18px; }
.scan-range { display: grid; gap: 6px; font-size: 0.9375rem; color: var(--ink-2); }
.scan-range input { width: 100%; min-height: 32px; margin: 0; accent-color: var(--petrol); }

/* Commento dell'AI */
.scan-consent { border: 1.5px solid var(--petrol); border-radius: var(--r-m); padding: 14px 16px; }
.scan-consent > * + *, .scan-ai > * + * { margin-top: 12px; }
.scan-block > [data-part="ai"] { margin-top: 30px; }
.scan-ai { border-left: 3px solid var(--petrol); padding-left: 14px; }
.scan-ai-title { font: 600 1rem/1.2 var(--font-d); }
.scan-ai .scan-ai-title + * { margin-top: 6px; }
.scan-end { margin-top: 26px; padding-top: 12px; border-top: 1px solid var(--line); gap: 4px 20px; }

/* Storico */
.scan .scan-history { margin: 0; padding: 0; list-style: none; }
.scan-item { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.scan-item:first-child { border-top: 1px solid var(--line); }
.scan-item:last-child { border-bottom: 0; padding-bottom: 0; }
.scan-item img, .scan-thumb-empty { width: 56px; height: 56px; border-radius: var(--r-s); object-fit: cover; background: var(--air); }
.scan-item.is-open { border-left: 3px solid var(--signal); padding-left: 11px; }
.scan-item-title { font-weight: 700; }
.scan-item-actions { grid-column: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 0 20px; }
.scan-item-actions > span { flex-basis: 100%; padding-top: 4px; }
.scan-item-actions .btn.danger { margin: 6px 0; }

@media (min-width: 30rem) {
  .scan-actions > .btn:not(.quiet) { flex: 0 1 auto; min-width: 9.5rem; }
}