:root{--bg:#0f1115;--panel:#171a21;--user:#223049;--text:#e7e9ee;--muted:#9aa3b2;--accent:#6ea8fe;--border:#2a2f3a;--err:#ff8a8a}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55}.wrap{flex-direction:column;max-width:760px;min-height:100dvh;margin:0 auto;padding:20px 16px 16px;display:flex}header h1{letter-spacing:.5px;margin:0;font-size:1.7rem}header .sub{color:var(--muted);margin:4px 0 0;font-size:.9rem}.thread{flex-direction:column;flex:1;gap:14px;margin-top:18px;display:flex;overflow-y:auto}.vuoto{color:var(--muted);margin:8px 0;font-size:.95rem}.bolla{border:1px solid var(--border);border-radius:14px;max-width:88%;padding:12px 15px}.bolla .testo{white-space:pre-wrap}.bolla .testo.md{white-space:normal}.testo.md p{margin:0 0 9px}.testo.md p:last-child{margin-bottom:0}.testo.md ul,.testo.md ol{margin:7px 0;padding-left:20px}.testo.md li{margin:3px 0}.testo.md strong{color:#f2f4f8;font-weight:650}.testo.md code{background:#ffffff17;border-radius:5px;padding:1px 5px;font-size:.9em}.testo.md .md-h{margin:6px 0 4px;font-size:.96rem}.testo.md .tabella-wrap{margin:10px 0;overflow-x:auto}.testo.md table{border-collapse:collapse;min-width:100%;font-size:.88em}.testo.md th,.testo.md td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:6px 10px}.testo.md thead th{color:#f2f4f8;white-space:nowrap;background:#ffffff0d;font-weight:650}.bolla.user{background:var(--user);border-color:#0000;align-self:flex-end}.bolla.assistant{background:var(--panel);align-self:flex-start}.bolla.attesa{color:var(--muted);font-style:italic}.fonti{border-top:1px solid var(--border);margin-top:12px;padding-top:10px}.fonti summary{cursor:pointer;color:var(--muted);font-size:.85rem}.fonti ul{color:var(--muted);margin:8px 0 0;padding-left:0;font-size:.82rem;list-style:none}.fonti li{border-bottom:1px dashed var(--border);padding:4px 0}.fonti .score{min-width:3.2em;color:var(--accent);font-variant-numeric:tabular-nums;display:inline-block}.errore{border:1px solid var(--err);color:var(--err);background:#ff8a8a14;border-radius:10px;padding:10px 14px;font-size:.9rem}.barra{align-items:flex-end;gap:10px;margin-top:14px;display:flex}textarea{resize:none;border:1px solid var(--border);background:var(--panel);color:var(--text);font:inherit;border-radius:12px;flex:1;padding:12px 14px}textarea:focus{border-color:var(--accent);outline:none}button{background:var(--accent);color:#0b1220;cursor:pointer;border:none;border-radius:999px;padding:12px 22px;font-size:.95rem;font-weight:600}button:disabled{opacity:.5;cursor:default}footer{color:var(--muted);text-align:center;margin-top:12px;font-size:.78rem}header.con-utente{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.utente{color:var(--muted);white-space:nowrap;align-items:center;gap:10px;font-size:.82rem;display:flex}button.esci{color:var(--muted);border:1px solid var(--border);background:0 0;padding:6px 12px;font-size:.8rem;font-weight:500}.login{justify-content:flex-start}.card-login{background:var(--panel);border:1px solid var(--border);text-align:center;border-radius:16px;margin-top:32px;padding:28px}.card-login p{color:var(--muted);margin:0 0 18px}.basi{flex-direction:column;gap:12px;margin:24px 0 0;padding:0;list-style:none;display:flex}button.base-card{background:var(--panel);border:1px solid var(--border);width:100%;color:var(--text);text-align:left;cursor:pointer;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px;font-weight:500;display:flex}button.base-card:hover{border-color:var(--accent)}.base-nome{font-size:1.02rem}.base-tier{color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border:1px solid var(--border);white-space:nowrap;border-radius:999px;padding:2px 10px;font-size:.72rem}