/* v1.38 — l'app «inerme»: QR o codice breve per accendere la prima attività (o aggiungerne un'altra). Lomazzi Federico (c) 2026 */
.ast { display: grid; gap: var(--space-5); padding-block: var(--space-4) var(--space-7); }
.ast__head { display: grid; gap: var(--space-2); }
.ast__eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: var(--fs-sm); font-weight: var(--fw-heavy); letter-spacing: .08em; text-transform: uppercase; color: var(--color-accent); }
.ast__title { margin: 0; font-size: clamp(1.7rem, 6.5vw, 2.6rem); line-height: 1.05; font-weight: var(--fw-heavy); letter-spacing: -.02em; color: var(--color-text); max-width: 18ch; }
.ast__lead { margin: 0; color: var(--color-text-muted); max-width: 52ch; }
.ast__grid { display: grid; gap: var(--space-4); }
@media (min-width: 900px) { .ast__grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; } }

/* riquadro fotocamera: cornice con i quattro angoli, il video ci sta dentro */
.ast__cam { position: relative; display: grid; place-items: center; gap: var(--space-3); aspect-ratio: 1; padding: var(--space-5);
    border-radius: var(--radius-lg); background: var(--color-primary); color: var(--color-primary-contrast); overflow: hidden; box-shadow: var(--shadow-card); }
.ast__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ast__frame { position: absolute; inset: 14%; pointer-events: none; }
.ast__frame span { position: absolute; width: 22%; height: 22%; border: 5px solid var(--color-accent); }
.ast__frame span:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; border-top-left-radius: 18px; }
.ast__frame span:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; border-top-right-radius: 18px; }
.ast__frame span:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; border-bottom-left-radius: 18px; }
.ast__frame span:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; border-bottom-right-radius: 18px; }
.ast__cam.is-live .ast__frame span { animation: ast-pulse 1.6s ease-in-out infinite; }
@keyframes ast-pulse { 50% { opacity: .45; } }
@media (prefers-reduced-motion: reduce) { .ast__cam.is-live .ast__frame span { animation: none; } }
.ast__start { position: relative; z-index: 1; max-width: 260px; background: var(--color-accent); color: #fff; }
.ast__cam.is-live .ast__start { display: none; }
.ast__hint { position: relative; z-index: 1; margin: 0; max-width: 30ch; text-align: center; font-weight: var(--fw-heavy); }
.ast__cam.is-live .ast__hint { align-self: end; padding: 6px 12px; border-radius: 99px; background: rgba(0, 0, 0, .55); font-size: var(--fs-sm); }

.ast__code { display: grid; gap: var(--space-2); padding: var(--space-4); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-card); }
.ast__label { display: flex; align-items: center; gap: 8px; font-weight: var(--fw-heavy); color: var(--color-text); }
.ast__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2); }
.ast__input { min-height: var(--touch-cta); padding: 0 14px; border: 0; border-radius: var(--radius-md, 14px); background: #fff; box-shadow: inset 0 0 0 1.5px rgba(92, 46, 28, .18);
    font: inherit; font-size: 1.15rem; font-weight: var(--fw-heavy); letter-spacing: .12em; text-transform: uppercase; color: var(--color-text); }
.ast__input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--color-accent); }
.ast__input::placeholder { color: #B9A194; letter-spacing: .08em; }
.ast__code.is-invalid .ast__input { box-shadow: inset 0 0 0 2px #B3261E; }
.ast__err { display: flex; gap: 6px; margin: 0; font-size: var(--fs-sm); color: #B3261E; }

.ast__notes { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; font-size: var(--fs-sm); color: var(--color-text-muted); }
.ast__notes li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 8px; align-items: start; }
.ast__notes a { color: var(--color-text); font-weight: var(--fw-heavy); }