:root{--ink:#111827;--muted:#697386;--line:#e6e9ef;--paper:#f4f6fa;--blue:#2563eb;--navy:#101827;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{height:76px;padding:0 max(22px,calc((100% - 1120px)/2));background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:40px;height:40px;border:1px solid #718096;border-radius:12px;display:grid;place-items:center;font-weight:800;letter-spacing:-1px}.brand strong{display:block;font-size:17px;letter-spacing:.2px}.brand small{display:block;color:#aab4c4;font-size:11px;margin-top:2px}.icon-button{border:1px solid #536176;background:transparent;color:white;border-radius:10px;width:38px;height:38px;font-size:22px}.container{max-width:1120px;margin:auto;padding:44px 22px 24px}.hero{padding:10px 0 28px}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:#64748b}.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.04;letter-spacing:-2.2px;margin:12px 0}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{color:var(--muted);font-size:15px;max-width:540px;line-height:1.6}.panel{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 5px 22px #17203308}.generator{padding:26px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading h2{font-size:19px;letter-spacing:-.5px;margin:5px 0 0}.counter{font-size:12px;color:var(--muted);background:#f1f4f8;padding:8px 11px;border-radius:30px}.plate{margin:26px auto 20px;max-width:440px;height:112px;border:7px solid #1d2735;border-radius:13px;background:#fff;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 5px 0 #d7dce4}.plate .eu{position:absolute;left:0;top:0;bottom:0;width:30px;background:#174a9b;color:white;display:grid;place-items:center;font-size:17px;font-weight:800}.plate strong{font-family:Arial,sans-serif;font-size:clamp(31px,7vw,49px);letter-spacing:5px;margin-left:25px;color:#101827}.actions{display:flex;gap:10px;justify-content:center}.button{border:0;border-radius:11px;padding:13px 17px;font-weight:700;font-size:13px;cursor:pointer;transition:transform .12s,opacity .12s}.button:active{transform:scale(.98)}.button:disabled{opacity:.5;cursor:not-allowed}.primary{background:var(--blue);color:white;min-width:220px}.primary span{margin-left:15px}.secondary{background:#edf1f7;color:#1e293b}.actions .secondary{font-size:20px;width:48px;padding:8px}.dark{background:var(--navy);color:white}.full{width:100%}.hint{font-size:12px;color:var(--muted);text-align:center;margin:14px 0 0}.tiny{font-size:10px;line-height:1.5}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.tabs{display:flex;gap:7px;margin:19px 0 12px}.tab{background:#f0f3f7;border:0;padding:8px 12px;border-radius:8px;font-size:11px;font-weight:700;color:#64748b}.tab.active{background:#e5edff;color:#1d4ed8}.ranking{padding-left:24px;margin:0}.ranking li{padding:9px 4px;border-bottom:1px solid #f0f2f5;font-size:13px}.ranking li:last-child{border:0}.rank-plate{font-weight:800;letter-spacing:1.4px}.rank-meta{float:right;color:#8490a2;font-size:11px}.muted{color:var(--muted)}.feature-copy,.check-panel p{color:var(--muted);font-size:13px;line-height:1.6}.feature-list{padding:0;list-style:none;margin:16px 0 20px}.feature-list li{font-size:12px;padding:7px 0;color:#475569}.check-panel{margin-top:18px}.check-panel .section-heading{margin-bottom:12px}.check-panel>p{max-width:760px}.check-form{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-top:18px}.check-form label{font-size:11px;font-weight:700;width:100%}.check-form select{padding:12px;border:1px solid var(--line);border-radius:9px;background:white;min-width:190px}.warning{font-size:11px!important;color:#9a5b13!important;background:#fff8e8;padding:10px 12px;border-radius:8px;margin-top:14px}footer{display:flex;justify-content:space-between;color:#8993a3;font-size:10px;padding:25px 2px}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#101827;color:white;padding:12px 16px;border-radius:10px;font-size:12px;box-shadow:0 8px 28px #0003;transition:.2s;max-width:90vw;text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:700px){.container{padding:28px 14px 18px}.topbar{padding:0 16px}.two-col{grid-template-columns:1fr}.hero h1{letter-spacing:-1.5px}.generator,.panel{padding:19px}.plate{height:94px}.actions .primary{flex:1;min-width:0}.check-form select{flex:1}footer{gap:12px;flex-direction:column}.section-heading h2{font-size:17px}}
.generator-options{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}.generator-options label{display:flex;flex-direction:column;gap:6px;color:#64748b;font-size:12px;font-weight:700}.generator-options input{width:135px;border:1px solid #d9e0eb;border-radius:9px;padding:11px;font-size:15px;text-transform:uppercase}.generator-options input:focus{outline:2px solid #2563eb;outline-offset:1px}.rank-link{border:0;background:transparent;color:#111827;cursor:pointer;padding:2px 0;text-align:left}.rank-link:hover{text-decoration:underline;color:#2563eb}@media(max-width:700px){.generator-options{gap:8px}.generator-options input{width:98px}}

/* Beta 0.4: risultati impilati, ottimizzati per smartphone */
.plate-results{display:flex;flex-direction:column;gap:22px;align-items:center;margin:20px auto 14px;width:100%}
.plate-result{width:100%;max-width:440px;padding:4px 6px 12px;border:1px solid transparent;border-radius:16px}
.plate-result.selected{border-color:#dbe7ff;background:#f8faff}
.plate-result .plate{width:100%;margin:4px auto 15px}
.plate-tools{display:flex;justify-content:center;gap:7px;flex-wrap:wrap}
.pill-action{border:1px solid #d9dce3;border-radius:24px;background:white;color:#4b5563;padding:8px 12px;font:500 12px system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.pill-action:hover{background:#f3f6fb;border-color:#9db5e7}
.plate-result .plate strong{font-size:clamp(27px,7vw,49px);letter-spacing:clamp(1px,.6vw,5px)}
@media(max-width:430px){.plate-result{padding:3px 0 10px}.plate-result .plate{height:88px;border-width:5px}.plate-result .plate strong{font-size:clamp(25px,7.4vw,35px);letter-spacing:1px;margin-left:20px}.pill-action{padding:7px 9px;font-size:11px}.plate-tools{gap:5px}}

/* Beta 0.6 - visual refresh; mantiene la struttura responsive originale */
:root{--navy:#101f38;--blue:#2459ad;--paper:#f4f7fc;--line:#e1e8f2}
.topbar{background:linear-gradient(110deg,#101f38,#193657);box-shadow:0 3px 18px #101f3820}
.brand-mark{border:0;border-radius:14px;width:46px;height:46px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#2459ad;box-shadow:0 5px 16px #0002}
.brand-mark img{display:block;width:42px;height:42px}
.brand strong{font-size:19px;letter-spacing:-.45px}.brand small{color:#c3d3ec;font-size:11px}
.hero h1 em{color:#2459ad}.panel{box-shadow:0 7px 24px #101f380a}
.premium-button{background:linear-gradient(105deg,#f5bf47,#e99d22);color:#252016;box-shadow:0 6px 16px #dc9b3250;border:1px solid #d89218;font-size:14px;min-height:46px}
.premium-button:hover{background:linear-gradient(105deg,#ffd16a,#edac35)}
.check-panel label[for=checkResult]{display:block;font-size:12px;font-weight:750;color:#34445d;margin:20px 0 7px}
.select-wrap{display:block;position:relative;width:100%;max-width:460px}
.select-wrap:after{content:'';position:absolute;right:18px;top:calc(50% - 4px);width:8px;height:8px;border-right:2px solid #526783;border-bottom:2px solid #526783;transform:rotate(45deg);pointer-events:none}
#checkResult{display:block;width:100%;min-height:48px;padding:12px 44px 12px 16px;border:1px solid #cdd9e8;border-radius:12px;background:#f8faff;color:#243650;font-size:14px;font-weight:600;appearance:none;-webkit-appearance:none;box-shadow:0 2px 8px #15294b08}
#checkResult:focus{outline:3px solid #2459ad35;border-color:#2459ad}
#saveCheckBtn{margin-top:12px}.pill-action{display:inline-flex;align-items:center;justify-content:center;gap:4px;border-radius:24px;background:#fff;border:1px solid #d5deeb;min-height:34px}
@media(max-width:430px){.brand strong{font-size:18px}.brand small{font-size:10px}.select-wrap{max-width:none}.premium-button{font-size:13px}}

/* Beta 0.6.1: header logo responsive */
.topbar{min-height:90px;height:auto;padding-top:8px;padding-bottom:8px}
.brand{min-width:0}
.brand-banner{display:block;width:min(420px,calc(100vw - 105px));height:auto;max-height:90px;object-fit:contain;object-position:left center}
@media(max-width:700px){.topbar{min-height:76px}.brand-banner{width:min(310px,calc(100vw - 90px));max-height:70px}}
@media(max-width:380px){.brand-banner{width:245px}}