:root{
  --green:#2f7f1d; --green-dark:#246517; --navy:#1b2a5e; --cyan:#4db8e8;
  --ink:#172036; --muted:#64748b; --border:#dfe6ef; --bg:#f4f7fa; --soft:#f8fafc;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"DM Sans",sans-serif;color:var(--ink);background:var(--bg)}
[hidden]{display:none!important}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:var(--navy)}

/* Login gate */
.gate{min-height:100dvh;display:grid;place-items:center;padding:24px}
.gate-card{width:min(94vw,400px);background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:0 18px 60px rgba(27,42,94,.10);text-align:center}
.gate-card img{width:min(200px,60%);height:auto;margin-bottom:14px}
.gate-card h1{font-family:"Syne",sans-serif;color:var(--navy);font-size:1.5rem;margin:0 0 6px}
.gate-card p{color:var(--muted);line-height:1.5;margin:0 0 18px}
.gate-form{display:grid;gap:12px;text-align:left}
.gate-form label{display:grid;gap:6px;font-size:.82rem;font-weight:700;color:var(--navy)}
.gate-form input{border:1px solid var(--border);border-radius:10px;padding:12px;font-size:1rem}
.gate-form button{border:0;border-radius:10px;background:var(--green);color:#fff;padding:13px;font-weight:800}
.gate-msg{font-size:.85rem;color:#b42318;min-height:1.1em;text-align:center}

/* Portal shell */
.portal{max-width:960px;margin:0 auto;padding:22px 18px 60px}
.portal-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.portal-top img{height:30px;width:auto}
.portal-hello{font-family:"Syne",sans-serif;color:var(--navy);font-size:1.35rem;margin:0}
.portal-sub{color:var(--muted);font-size:.85rem;margin:2px 0 0}
.badge{display:inline-block;font-size:.66rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em;padding:3px 9px;border-radius:20px;background:#EFF6FF;color:#175CD3;margin-left:6px}
.logout{border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 14px;font-weight:700;color:var(--navy)}

.help-lead{margin:0 0 16px;color:var(--muted);line-height:1.5;font-size:.92rem}
.help-lead strong,.section-help strong{color:var(--navy)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}
.card span{display:block;font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.card strong{display:block;font-size:1.5rem;color:var(--navy);margin-top:6px;font-variant-numeric:tabular-nums}
.card.pending strong{color:#B54708}
.card.paid strong{color:#027A48}

.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:10px 12px;font-weight:800;color:var(--muted)}
.tabs button.active{color:var(--navy);border-bottom-color:var(--green)}

.section{background:#fff;border:1px solid var(--border);border-radius:14px;padding:6px 4px}
.section-help{margin:8px 10px 12px;color:var(--muted);line-height:1.45;font-size:.84rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.86rem}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
th{font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:800}
td strong{color:var(--navy)}
tbody tr:last-child td{border-bottom:0}
.num{font-variant-numeric:tabular-nums}

.pill{display:inline-block;font-size:.66rem;font-weight:900;text-transform:uppercase;letter-spacing:.03em;padding:3px 9px;border-radius:20px;background:var(--soft);color:var(--navy)}
.pill.pending{background:#FFF7E8;color:#B54708}
.pill.approved{background:#EFF8FF;color:#175CD3}
.pill.paid{background:#ECFDF3;color:#027A48}
.pill.cancelled{background:#FEF3F2;color:#B42318}

.empty{padding:26px 16px;text-align:center;color:var(--muted)}
.notice{background:#FFF7E8;border:1px solid #FEC84B;border-radius:12px;padding:16px 18px;color:#B54708;line-height:1.5}

@media (max-width:640px){
  .cards{grid-template-columns:1fr}
}

/* Tab login / primo accesso */
.gate-tabs{display:flex;gap:6px;margin:0 0 16px;border-bottom:1px solid var(--border)}
.gate-tabs button{flex:1;background:none;border:0;border-bottom:2px solid transparent;padding:10px;font-weight:800;color:var(--muted)}
.gate-tabs button.active{color:var(--navy);border-bottom-color:var(--green)}
.gate-hint{font-size:.82rem;color:var(--muted);line-height:1.5;margin:0 0 4px;text-align:left}
.link-btn{background:none;border:0;color:var(--navy);font-weight:700;font-size:.82rem;text-decoration:underline;padding:2px}