:root{--bg:#79c8da;--ink:#103047;--muted:#476b7c;--white:#fff;--accent:#245bc7;--accent-dark:#153f96;--shadow:0 12px 32px rgba(15,47,68,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}.topbar{min-height:78px;background:rgba(255,255,255,.97);display:flex;align-items:center;justify-content:space-between;gap:22px;padding:12px clamp(18px,4vw,54px);box-shadow:0 2px 14px rgba(16,48,71,.10);position:sticky;top:0;z-index:30}.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.logo-mark{width:46px;height:46px;border-radius:13px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:27px;font-weight:950}.logo>span:last-child{display:grid;line-height:1}.logo strong{font-size:24px;letter-spacing:-.03em}.logo small{font-size:11px;color:#66808d;margin-top:6px;font-weight:700}.top-actions{display:flex;align-items:center;gap:10px}.search{width:min(330px,32vw);height:44px;background:#eef5f7;border:1px solid #d7e7ec;border-radius:12px;display:flex;align-items:center;gap:8px;padding:0 13px}.search span{font-size:22px;color:#607d89}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.add-app-button{height:44px;display:flex;align-items:center;gap:7px;text-decoration:none;background:var(--accent);color:#fff;border-radius:12px;padding:0 15px;font-weight:900;box-shadow:0 6px 16px rgba(36,91,199,.22);white-space:nowrap}.add-app-button:hover{background:var(--accent-dark)}.add-app-button span{font-size:20px;line-height:1}main{width:min(1220px,92%);margin:auto}.intro{text-align:center;padding:55px 12px 24px}.eyebrow{font-size:11px;letter-spacing:.17em;font-weight:950;margin:0 0 12px;color:#17465b}.intro h1{font-size:clamp(38px,6vw,66px);letter-spacing:-.055em;line-height:.98;margin:0}.intro>p:last-child{max-width:660px;margin:16px auto 0;font-size:17px;line-height:1.55;color:#29586c}.filters{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin:12px 0 28px}.filter{border:1px solid rgba(16,48,71,.18);background:rgba(255,255,255,.46);color:var(--ink);padding:10px 17px;border-radius:999px;font-weight:850;cursor:pointer}.filter:hover,.filter.active{background:#fff;border-color:#fff;box-shadow:0 5px 15px rgba(16,48,71,.11)}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding-bottom:65px}.sim-card{min-width:0}.preview{position:relative;width:100%;padding:0;border:0;border-radius:20px;background:#fff;overflow:hidden;cursor:pointer;box-shadow:var(--shadow);display:block;transition:transform .22s ease,box-shadow .22s ease}.preview:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(15,47,68,.23)}.preview img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top center;display:block;background:#fff;transition:transform .28s ease}.preview:hover img{transform:scale(1.018)}.preview.generated-cover{display:grid;place-items:center;aspect-ratio:16/10;background:linear-gradient(135deg,#eef5ff,#fff)}.generated-cover .generated-art{position:absolute;inset:0;display:grid;place-items:center;padding:28px;background:linear-gradient(140deg,#e8f0ff,#ffffff)}.generated-cover .generated-art strong{font-size:clamp(28px,4vw,54px);letter-spacing:-.04em;color:#163c86}.generated-cover .generated-art small{display:block;color:#5d75a1;text-transform:uppercase;letter-spacing:.12em;margin-top:10px;font-weight:900}.zoom-hint{position:absolute;right:13px;bottom:13px;background:rgba(10,37,54,.86);color:#fff;border-radius:999px;padding:8px 11px;font-size:11px;font-weight:850;opacity:0;transform:translateY(4px);transition:.2s}.preview:hover .zoom-hint{opacity:1;transform:none}.card-info{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 5px 0}.card-info h2{font-size:22px;margin:0 0 3px;letter-spacing:-.025em}.card-info p{margin:0;color:#28596b;font-size:14px}.tag{background:rgba(255,255,255,.7);border:1px solid rgba(16,48,71,.12);padding:7px 10px;border-radius:10px;font-size:12px;font-weight:900;white-space:nowrap}.empty,.loading-apps{text-align:center;background:#fff;padding:18px;border-radius:15px;margin:0 auto 60px;max-width:500px}.loading-apps{font-weight:800;color:#35586a}footer{text-align:center;padding:24px;color:#19495d;font-size:13px;font-weight:700}.lightbox{position:fixed;inset:0;background:rgba(5,27,40,.70);backdrop-filter:blur(7px);display:none;align-items:center;justify-content:center;padding:25px;z-index:100}.lightbox.open{display:flex;animation:fade .16s ease}.lightbox-card{width:min(1000px,94vw);max-height:90vh;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 28px 85px rgba(0,0,0,.38);animation:zoom .2s ease;display:grid}.large-preview{background:#edf4f6;overflow:auto;max-height:68vh;min-height:220px;display:grid;place-items:center}.large-preview img{display:block;width:100%;height:auto}.large-preview .fallback-large{padding:60px 20px;text-align:center;font-size:48px;font-weight:950;color:#174d8f}.modal-copy{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 24px}.modal-copy h2{font-size:25px;margin:0 0 5px}.modal-copy p{margin:0;color:#5a707c}.open-btn{text-decoration:none;background:var(--accent);color:#fff;padding:13px 20px;border-radius:12px;font-weight:900;white-space:nowrap;box-shadow:0 7px 18px rgba(36,91,199,.24)}.open-btn:hover{background:var(--accent-dark)}.close{position:fixed;top:20px;right:22px;width:46px;height:46px;border-radius:50%;border:0;background:#fff;color:#17394c;font-size:31px;line-height:1;cursor:pointer;box-shadow:0 5px 20px rgba(0,0,0,.2);z-index:101}@keyframes zoom{from{opacity:0;transform:scale(.88)}to{opacity:1;transform:scale(1)}}@keyframes fade{from{opacity:0}to{opacity:1}}@media(max-width:850px){.topbar{align-items:stretch;flex-direction:column}.top-actions{width:100%;flex-wrap:wrap}.search{width:100%;flex:1}.add-app-button{justify-content:center}.gallery{grid-template-columns:1fr;gap:28px}.intro{padding-top:38px}.modal-copy{align-items:stretch;flex-direction:column}.open-btn{text-align:center;width:100%}.large-preview{max-height:58vh}.logo small{font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* MateLab: palette chiara, gerarchia e accessibilità. */
:root{--bg:#f4f7fb;--ink:#18324c;--muted:#52677b;--accent:#285fc4;--accent-dark:#194795;--shadow:0 8px 26px rgba(25,55,90,.07)}
[hidden]{display:none!important}
body{background:var(--bg);line-height:1.5}
.topbar{box-shadow:none;border-bottom:1px solid #dfe7ef;padding-block:16px}
.logo-mark{background:#245bc7;border-radius:14px;box-shadow:0 4px 12px #245bc71a}
.logo small{line-height:1.3;color:#52677b}
main{width:min(1180px,92%)}
.intro{text-align:left;padding:52px 0 24px}
.eyebrow{color:#3269a5;letter-spacing:.14em}
.intro h1{font-size:clamp(36px,5.5vw,60px);line-height:1.12;letter-spacing:-.045em}
.intro>p:last-child{margin:16px 0 0;color:var(--muted);max-width:680px}
.filters{justify-content:flex-start;margin:8px 0 28px;gap:8px}
.filter{background:#fff;border:1px solid #d8e2ed;font-weight:700;padding:10px 18px}
.filter:hover{background:#eaf0fc;border-color:#b8ccef;box-shadow:none}
.filter.active{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:none}
.gallery{gap:24px;padding-bottom:40px}
.sim-card{padding:10px;background:#fff;border:1px solid #dfe7ef;border-radius:20px;box-shadow:var(--shadow)}
.preview{border-radius:12px;box-shadow:none;background:#edf2f8}
.preview:hover{transform:none;box-shadow:none}
.preview img{aspect-ratio:16/9}
.card-info{padding:18px 12px 14px;align-items:flex-start}
.card-info h2{font-size:22px;line-height:1.25;margin-bottom:6px}
.card-info p{color:var(--muted)}
.tag{background:#eef4fc;color:#365c8b;border:0}
.zoom-hint{opacity:1;transform:none;background:#18324ce8}
footer{border-top:1px solid #dfe7ef;color:var(--muted);font-weight:500}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #3878d8;outline-offset:4px}
.search:focus-within{outline:3px solid #3878d8;outline-offset:2px}
@media(max-width:850px){.intro{padding-top:32px}.topbar{position:relative;gap:16px}.gallery{gap:20px}.search{min-width:160px}.intro>p:last-child{font-size:16px}}
@media(max-width:420px){.top-actions{align-items:stretch}.search{flex-basis:100%}.add-app-button{width:100%}.card-info{padding-inline:6px}.filters{gap:6px}.filter{padding:9px 13px;font-size:13px}}

/* Riga introduttiva: a destra l'interruttore Online/Offline (solo amministratore). */
.intro-row.with-control{display:flex;align-items:center;gap:40px}
.intro-row.with-control .intro{flex:1;min-width:0}
.site-control-slot{flex:0 0 340px;padding-top:28px}
@media(max-width:900px){.intro-row.with-control{display:block}.site-control-slot{padding:0 0 22px}}