:root{--bg:#f3f4f6;--card:#fff;--ink:#1b2430;--mute:#677284;--line:#dce0e6;--g:#2b4a7a;--g2:#e8edf6;--bad:#a4262c;--bad2:#fbe9ea;--ok:#1f6f45;--ok2:#e4f3ea;--warn2:#faefd2}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.5 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--g)}
h1,h2,h3{line-height:1.2;margin:0 0 .6em}
h1{font-size:26px}h2{font-size:20px}h3{font-size:16px}
label{display:block;font-size:13.5px;color:var(--mute);margin:0 0 12px}
input[type=text],input[type=password],input[type=search],select{display:block;width:100%;margin-top:4px;padding:10px 11px;border:1px solid var(--line);border-radius:6px;font:inherit;color:var(--ink);background:#fff}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #9db4d8;outline-offset:1px}
.btn{display:inline-block;border:0;border-radius:6px;background:var(--g);color:#fff;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:#223c65}
.btn.alt{background:var(--g2);color:var(--g)}.btn.alt:hover{background:#d8e0ef}
.btn.bad{background:var(--bad2);color:var(--bad)}
.btn.sm{padding:6px 11px;font-size:13.5px}
.btn.full{width:100%}
.msg{border-radius:6px;padding:10px 12px;margin:0 0 14px;font-size:14px}
.msg.err{background:var(--bad2);color:var(--bad)}
.msg.ok{background:var(--ok2);color:var(--ok)}
.msg.info{background:var(--g2);color:var(--g)}
.ck{display:flex;gap:8px;align-items:flex-start;color:var(--ink);font-size:14px}
.ck input{margin-top:4px}
.mute{color:var(--mute)}
.mono{font-family:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace}

/* ---- accesso: scheda centrata ---- */
.gate{color:var(--ink);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#e9ecf0 center/cover no-repeat}
.gate-box{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:30px 32px 28px;box-shadow:0 1px 3px rgba(20,30,50,.08),0 18px 44px -18px rgba(20,30,50,.35)}
.gate-head{text-align:center;margin:0 0 22px;padding:0 0 18px;border-bottom:1px solid var(--line)}
.gate-head .name{font-size:25px;font-weight:700;letter-spacing:.01em;margin:0;color:var(--g)}
.gate-head .sub{margin:3px 0 0;font-size:14px;color:var(--mute)}
.gate-box h1{font-size:19px;margin-bottom:4px;text-align:center}
.gate-box .lead{margin:0 0 20px;color:var(--mute);text-align:center;font-size:14px}
.qrwrap{display:flex;justify-content:center;margin:6px 0 14px}
.qrwrap svg,.qrwrap img{width:196px;height:196px}
.key{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:9px 12px;text-align:center;font-size:15px;letter-spacing:.08em;user-select:all;margin:0 0 14px}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 16px}
.codes span{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:8px 10px;text-align:center;font-size:15px;letter-spacing:.05em}
.otp{font-size:22px!important;text-align:center;letter-spacing:.3em}
@media(max-width:480px){.gate{padding:12px;align-items:flex-start;padding-top:8vh}.gate-box{padding:24px 20px}}
@media(prefers-color-scheme:dark){.gate{color:var(--ink);--bg:#10151c;--card:#171e28;--ink:#e6eaf0;--mute:#8f9bab;--line:#2a3340;--g:#86a8e4;--g2:#1f2a3b;--bad:#f0a3a8;--bad2:#3d1f1b;--ok:#7fd1a1;--ok2:#17301f;background-color:#0b0f14}.gate input[type=text],.gate input[type=password]{background:#0f141a}.gate .btn{color:#0f141a}.gate .btn:hover{background:#a9c2ec}.gate .btn.alt{color:var(--g)}.gate .btn.alt:hover{background:#27364d}}

/* ---- gestionale ---- */
.top{background:var(--g);color:#fff;display:flex;align-items:center;gap:6px;padding:0 20px;min-height:52px;flex-wrap:wrap}
.top .brand{font-weight:700;font-size:17px;margin-right:18px;color:#fff;text-decoration:none}
.top a.nav{color:#dbe4f3;text-decoration:none;padding:15px 12px;font-size:14.5px}
.top a.nav:hover,.top a.nav.on{color:#fff;background:rgba(255,255,255,.12)}
.top .sp{flex:1}
.top .who{font-size:13.5px;color:#dbe4f3;margin-right:10px}
.top form{margin:0}
.top button.out{background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:6px;padding:7px 12px;font:inherit;font-size:13.5px;cursor:pointer}
.top button.out:hover{background:rgba(255,255,255,.24)}
main{max-width:1100px;margin:0 auto;padding:24px 20px 60px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin:0 0 18px}
.panel h2{font-size:17px}
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th{text-align:left;color:var(--mute);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tag{display:inline-block;background:var(--g2);color:var(--g);border-radius:4px;padding:1px 7px;font-size:12.5px}
.tag.bad{background:var(--bad2);color:var(--bad)}.tag.ok{background:var(--ok2);color:var(--ok)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 16px}
.bar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin:0 0 14px}
.bar label{margin:0}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.pager a,.pager span{padding:5px 10px;border:1px solid var(--line);border-radius:5px;text-decoration:none;font-size:13.5px;background:#fff}
.pager span[aria-current]{background:var(--g);color:#fff;border-color:var(--g)}
details.reset{margin:8px 0}
details.reset summary{cursor:pointer;color:var(--g);font-weight:600}