:root{
  --bg:#EEF1F5; --panel:#FFFFFF; --panel-2:#F3F5F9; --stroke:#DDE2E8;
  --text:#1C2530; --text-dim:#6C7787; --teal:#2FA79A; --amber:#E8A33D; --red:#E0564F;
}
*{ box-sizing:border-box; }
body{ margin:0; font-family:'Inter', Arial, sans-serif; background:var(--bg); color:var(--text); }
h1, h2{ font-family:'Space Grotesk', 'Inter', sans-serif; }

.topbar{ display:flex; justify-content:space-between; align-items:center; padding:14px 20px; background:var(--panel); border-bottom:1px solid var(--stroke); }
.topbar a{ color:var(--text-dim); text-decoration:none; font-size:13px; }

.card{ max-width:700px; margin:20px auto; background:var(--panel); border:1px solid var(--stroke); border-radius:12px; padding:18px 20px; }
.card h2{ font-size:15px; margin:0 0 12px; }

table{ width:100%; border-collapse:collapse; font-size:13px; }
th, td{ text-align:left; padding:8px; border-bottom:1px solid var(--stroke); }
th{ color:var(--text-dim); font-size:11px; text-transform:uppercase; letter-spacing:.03em; }

input, select, button{ font-family:'Inter', Arial, sans-serif; font-size:13px; padding:8px 10px; border-radius:8px; border:1px solid var(--stroke); }
button{ background:var(--teal); color:#fff; border:none; cursor:pointer; font-weight:600; }

.code-reveal{ background:rgba(47,167,154,.1); border:1px solid rgba(47,167,154,.3); border-radius:8px; padding:12px; margin-bottom:14px; }
.code-reveal code{ font-family:'JetBrains Mono', monospace; font-size:16px; }
.nota{ font-size:12px; color:var(--text-dim); }

.errore{ background:rgba(224,86,79,.1); border:1px solid rgba(224,86,79,.3); color:var(--red); padding:8px 12px; border-radius:8px; font-size:13px; margin-bottom:10px; }

.login-page{ display:flex; align-items:center; justify-content:center; min-height:100vh; }
.login-box{ background:var(--panel); border:1px solid var(--stroke); border-radius:14px; padding:28px; width:280px; text-align:center; }
.login-box input{ width:100%; margin:12px 0; text-align:center; font-size:18px; letter-spacing:.12em; text-transform:uppercase; }
.login-box button{ width:100%; padding:10px; }

.empty-state{ max-width:500px; margin:60px auto; text-align:center; color:var(--text-dim); }
.spazio{ max-width:700px; margin:40px auto; text-align:center; }
.tabs{ display:flex; gap:10px; justify-content:center; margin:16px 0; }
.tabs a{ padding:8px 16px; border:1px solid var(--stroke); border-radius:8px; text-decoration:none; color:var(--text); background:var(--panel); }