:root{--bg:#f6f7f9;--pan:#fff;--testo:#1c2430;--muto:#6b7686;--bordo:#dde2ea;--pri:#1d4f91;--pri-t:#fff;--lato:#14233b;--lato-t:#d6deec;--ev:#e8f0fc;--err:#b3261e}
@media(prefers-color-scheme:dark){:root{--bg:#10151d;--pan:#171e29;--testo:#e6ebf3;--muto:#8d99ab;--bordo:#27313f;--pri:#4a86d8;--lato:#0b111b;--lato-t:#c5cfdd;--ev:#1e2c44}}
*{box-sizing:border-box}html,body{height:100%;margin:0}
body{font:15px/1.4 system-ui,Segoe UI,sans-serif;background:var(--bg);color:var(--testo)}
button,input,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}
.centro{display:flex;align-items:center;justify-content:center;min-height:100%;padding:16px}
.scheda{background:var(--pan);border:1px solid var(--bordo);border-radius:12px;padding:24px;width:100%;max-width:360px}
.scheda h1{margin:0 0 12px;font-size:22px}
label{display:block;margin:10px 0;font-size:13px;color:var(--muto)}
label input{display:block;width:100%;margin-top:4px;padding:9px;border:1px solid var(--bordo);border-radius:8px;background:var(--bg);color:var(--testo)}
.err{color:var(--err);min-height:1.2em;margin:6px 0}
button{cursor:pointer;border:1px solid var(--bordo);background:var(--pan);border-radius:8px;padding:7px 12px}
button.primario{background:var(--pri);border-color:var(--pri);color:var(--pri-t)}
button.icona,label.icona{background:none;border:0;padding:4px 8px;font-size:18px;cursor:pointer;margin:0;color:inherit;display:inline-block;width:auto}
#app{display:flex;height:100dvh}
#lato{width:240px;background:var(--lato);color:var(--lato-t);display:flex;flex-direction:column;padding:10px;overflow-y:auto;flex:none}
.lato-testa{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:17px}
#cerca{width:100%;padding:7px;border-radius:8px;border:0;margin-bottom:6px;background:#ffffff1f;color:#fff}
.sez{margin:12px 4px 4px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;opacity:.7;display:flex;justify-content:space-between}
#lato ul{list-style:none;margin:0;padding:0}
#lato li{padding:6px 8px;border-radius:6px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:6px}
#lato li:hover{background:#ffffff14}#lato li.att{background:var(--pri);color:#fff}
#lato li.nl{font-weight:700;color:#fff}
.badge{background:#d93025;color:#fff;border-radius:10px;font-size:11px;padding:1px 7px;font-weight:700}
.pt{display:inline-block;width:9px;height:9px;border-radius:50%;background:#6b7686;margin-right:6px}.pt.on{background:#2fb86b}
.lato-piede{margin-top:auto;padding-top:10px;font-size:13px;display:flex;justify-content:space-between;align-items:center}
#centro{flex:1;display:flex;flex-direction:column;min-width:0}
header{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--pan);border-bottom:1px solid var(--bordo)}
header>div{flex:1;min-width:0}#b-menu{display:none}
.muto{color:var(--muto);font-size:13px}
#msgs{flex:1;overflow-y:auto;padding:10px 14px}
#b-altri{display:block;margin:0 auto 10px}
.m{padding:4px 0;position:relative}
.m .testa{display:flex;gap:8px;align-items:baseline}.m .nome{font-weight:700}.m .ora{color:var(--muto);font-size:12px}
.m .corpo{white-space:pre-wrap;word-break:break-word}
.m.ment .corpo{background:var(--ev);border-radius:6px;padding:2px 6px}
.m .az{position:absolute;right:0;top:0;display:none;background:var(--pan);border:1px solid var(--bordo);border-radius:8px}
.m:hover .az{display:flex}.m .az button{border:0;padding:2px 8px;background:none;font-size:13px}
.m .cancellato{color:var(--muto);font-style:italic}
.m .file{display:inline-block;margin-top:4px;padding:6px 10px;border:1px solid var(--bordo);border-radius:8px;background:var(--pan);text-decoration:none;color:var(--testo)}
.m img.anteprima{display:block;max-width:min(360px,100%);max-height:300px;border-radius:8px;margin-top:4px}
.m .rispo{color:var(--pri);cursor:pointer;font-size:13px;margin-top:2px;background:none;border:0;padding:0}
.ment-t{background:var(--ev);color:var(--pri);border-radius:4px;padding:0 3px}
.sep{text-align:center;color:var(--muto);font-size:12px;margin:10px 0}
#scrive{height:18px;padding:0 14px}
#avviso{padding:2px 14px 6px;font-size:12px;background:var(--pan)}
.m.sist{text-align:center;color:var(--muto);font-size:13px;font-style:italic}
#f-invia,#f-thread{display:flex;gap:8px;align-items:flex-end;padding:10px 14px;border-top:1px solid var(--bordo);background:var(--pan)}
textarea{flex:1;resize:none;max-height:160px;padding:9px;border:1px solid var(--bordo);border-radius:8px;background:var(--bg)}
#pannello{width:340px;background:var(--pan);border-left:1px solid var(--bordo);display:flex;flex-direction:column;flex:none}
#p-elenco{flex:1;overflow-y:auto;padding:10px 14px}
dialog{max-width:560px;width:92%;border:1px solid var(--bordo);border-radius:12px;background:var(--pan);color:var(--testo)}
dialog.largo{max-width:900px}
.alert{background:var(--ev);padding:8px 12px;border-radius:8px;margin:8px 0}
div.azioni{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
dialog::backdrop{background:#0008}
dialog h3{margin-top:0}dialog table{width:100%;border-collapse:collapse;font-size:13px}dialog td,dialog th{padding:4px;border-bottom:1px solid var(--bordo);text-align:left}
dialog input,dialog select{padding:6px;border:1px solid var(--bordo);border-radius:6px;background:var(--bg);color:var(--testo)}
.cod{font-family:monospace;background:var(--bg);padding:8px;border-radius:6px;word-break:break-all}
@media(max-width:760px){
 #lato{position:fixed;inset:0 25% 0 0;z-index:20;transform:translateX(-100%);transition:transform .2s;width:auto;max-width:300px}
 #lato.aperto{transform:none}#b-menu{display:block}
 #pannello{position:fixed;inset:0;z-index:30;width:auto}
}