.ast-lesson-module{--ast-navy:#071d34;--ast-yellow:#ffca28;--ast-text:#071d34;margin-top:36px}.ast-lesson-section{margin:0 0 54px}.ast-lesson-section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:18px}.ast-lesson-section h2{margin:.15em 0 .35em;color:var(--ast-text)}.ast-lesson-kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:#66788a}.ast-lesson-fullscreen{display:inline-flex;align-items:center;gap:8px;background:var(--ast-yellow);color:var(--ast-navy)!important;text-decoration:none!important;font-weight:800;padding:11px 16px;border-radius:8px;white-space:nowrap}.ast-lesson-hint{font-size:13px;color:#64748b;margin:10px 0 0}.ast-lesson-notes-image img{display:block;width:100%;height:auto;user-select:none;-webkit-user-drag:none}.ast-lesson-back{margin:42px 0}.ast-lesson-back a{font-weight:700}
/* v10.11 – controlli compatti e presenter realmente immersivo */
.ast-slide-viewer{position:relative;border:1px solid #dbe2e8;border-radius:12px;overflow:hidden;background:#111827;box-shadow:0 8px 24px rgba(7,29,52,.08)}
.ast-slide-stage{position:relative;display:flex;align-items:center;justify-content:center;width:100%;min-height:360px;padding:12px;background:#111827;box-sizing:border-box}
.ast-slide-stage canvas{display:block;max-width:100%;max-height:100%;background:#fff;box-shadow:0 3px 18px rgba(0,0,0,.25)}
.ast-slide-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;background:rgba(17,24,39,.72);font-weight:700;z-index:4}
.ast-slide-controls{display:flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 12px;background:#071d34;color:#fff;box-sizing:border-box}
.ast-slide-controls button{display:grid;place-items:center;width:38px;height:38px;padding:0;border:1px solid rgba(255,255,255,.18);border-radius:50%;background:rgba(255,255,255,.07);color:#fff;font:700 25px/1 Arial,sans-serif;cursor:pointer;transition:.18s ease}
.ast-slide-controls button:hover:not(:disabled),.ast-slide-controls button:focus-visible{background:#ffca28;color:#071d34;border-color:#ffca28;outline:none}.ast-slide-controls button:disabled{opacity:.18;cursor:default}.ast-page-count{min-width:58px;text-align:center;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums}.ast-viewer-browser-fullscreen{margin-left:6px;font-size:18px!important}
.ast-presenter-page{margin:0!important;background:#07111f;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow:hidden}.ast-presenter{height:100vh;height:100dvh;position:relative;overflow:hidden}.ast-presenter-top{position:absolute;z-index:8;top:12px;left:16px;right:16px;display:flex;align-items:center;justify-content:space-between;pointer-events:none;transition:opacity .25s}.ast-presenter-top strong{max-width:65vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:7px 10px;border-radius:7px;background:rgba(7,29,52,.72);backdrop-filter:blur(6px);font-size:13px}.ast-presenter-top span{display:none}.ast-slide-viewer-full{position:absolute;inset:0;border:0;border-radius:0;box-shadow:none;background:#07111f}.ast-slide-viewer-full .ast-slide-stage{position:absolute;inset:0;min-height:0;padding:8px 10px 62px;background:#07111f}.ast-slide-viewer-full .ast-slide-stage canvas{max-width:calc(100vw - 20px);max-height:calc(100dvh - 70px);box-shadow:0 6px 30px rgba(0,0,0,.4)}
.ast-slide-viewer-full .ast-slide-controls{position:absolute;z-index:9;left:50%;bottom:10px;transform:translateX(-50%);height:46px;padding:4px 7px;gap:7px;border:1px solid rgba(255,255,255,.12);border-radius:25px;background:rgba(7,29,52,.76);backdrop-filter:blur(8px);transition:opacity .25s}.ast-slide-viewer-full .ast-slide-controls button{width:36px;height:36px}.ast-slide-viewer-full.ast-ui-idle .ast-slide-controls,.ast-slide-viewer-full.ast-ui-idle~.ast-presenter-top{opacity:.12}.ast-presenter-page:fullscreen .ast-presenter-top{top:8px}
@media(max-width:720px){.ast-slide-stage{min-height:240px}.ast-lesson-section-head{align-items:flex-start;flex-direction:column}.ast-slide-viewer-full .ast-slide-stage{padding:4px 4px 58px}.ast-slide-viewer-full .ast-slide-stage canvas{max-width:calc(100vw - 8px);max-height:calc(100dvh - 62px)}}