:root{
  --navy:#0B1F3A;--blue:#164A78;--gold:#D7A62A;--text:#17212F;
  --muted:#667085;--line:#DDE4EA;--bg:#F6F8FA;--white:#fff;
  --success:#137A49;--danger:#B42318;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif;font-size:15px;line-height:1.5}
a{text-decoration:none}
button,input,select{font:inherit}
.container{width:min(100% - 32px,900px);margin:auto}
.portal-header{background:#fff;border-bottom:1px solid var(--line)}
.portal-header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between}
.portal-logo{width:142px;height:auto;display:block}
.secure-label{font-size:12px;color:var(--muted);font-weight:700;display:flex;gap:7px;align-items:center}
.secure-dot{width:19px;height:19px;border-radius:50%;background:#E8F6EF;color:var(--success);display:grid;place-items:center;font-size:11px}
.portal-main{padding:34px 0 40px}
.portal-heading{text-align:center;margin:0 auto 24px}
.portal-heading .eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--blue)}
.portal-heading h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:7px 0 8px;color:var(--navy)}
.portal-heading p{max-width:620px;margin:auto;color:var(--muted);font-size:14px}
.banner{margin-bottom:18px}
.banner img{display:block;width:100%;height:auto;border-radius:14px}
.portal-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:0 8px 28px rgba(11,31,58,.05)}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.card-head h2{font-size:19px;margin:0 0 3px;color:var(--navy)}
.card-head p{font-size:12px;color:var(--muted);margin:0}
.step{font-size:10px;font-weight:800;color:#667085;background:#F0F3F6;border-radius:99px;padding:6px 9px;white-space:nowrap}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:750;margin-bottom:7px}
.required{color:var(--danger)}
input,select{width:100%;height:46px;border:1px solid #CDD6DE;border-radius:9px;background:#fff;padding:0 13px;color:var(--text);outline:none}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,74,120,.08)}
.input-error{border-color:#D92D20!important}
.error{display:none;color:var(--danger);font-size:11px;margin-top:5px}
.portal-select{appearance:auto}
.actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:11px 17px;font-size:13px;font-weight:800;cursor:pointer}
.btn-primary{background:var(--navy);color:#fff}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn-primary:hover{background:#122C4E}
.btn-secondary:hover{border-color:#AAB7C4}
.summary{background:#F8FAFC;border:1px solid #E2E8EE;border-radius:11px;padding:12px 15px;margin-top:16px}
.summary-row{display:flex;justify-content:space-between;gap:15px;padding:8px 0;border-bottom:1px solid #E7ECF0;font-size:12px}
.summary-row:last-child{border-bottom:0}
.summary-row span{color:var(--muted)}
.summary-row strong{text-align:right}
.payment-methods{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:18px}
.method{position:relative;border:1px solid var(--line);border-radius:11px;padding:15px;cursor:pointer;background:#fff}
.method.selected{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,74,120,.07);background:#F7FAFC}
.method input{position:absolute;opacity:0;width:1px;height:1px}
.method-title{font-size:13px;font-weight:800;color:var(--navy)}
.method-desc{font-size:11px;color:var(--muted);margin-top:3px}
.bank-panel{display:none;margin-top:15px;padding:16px;border-radius:11px;background:#F7F9FB;border:1px solid #E0E6EB}
.bank-panel.show{display:block}
.bank-panel h3{margin:0 0 4px;font-size:15px}
.bank-panel p{font-size:11px;color:var(--muted);margin:0 0 14px}
.account-row{margin-bottom:11px}
.account-row label{font-size:11px;font-weight:750;display:block;margin-bottom:5px}
.account-box{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 10px}
.account-number{font-size:15px;font-weight:900;letter-spacing:.03em}
.copy-btn{border:1px solid var(--line);background:#fff;border-radius:7px;padding:6px 9px;font-size:11px;font-weight:800;cursor:pointer}
.copy-success{display:none;color:var(--success);font-size:11px;margin-top:4px}
.copy-success.show{display:block}
.alert{display:none;padding:10px 12px;border-radius:8px;font-size:11px;margin-top:12px}
.alert.show{display:block}
.alert.error{background:#FFF1F0;border:1px solid #F2C5C0;color:var(--danger)}
.alert.success{background:#EDF9F2;border:1px solid #C6E7D3;color:var(--success)}
.receipt{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:0 8px 28px rgba(11,31,58,.05)}
.receipt-top{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;border-bottom:1px solid var(--line);padding-bottom:18px}
.receipt-logo{width:125px}
.receipt-title{text-align:right}
.receipt-title h2{margin:0;color:var(--navy);font-size:20px}
.receipt-title p{margin:3px 0 0;color:var(--muted);font-size:11px}
.receipt-details{margin:18px 0}
.receipt-row{display:flex;justify-content:space-between;gap:20px;padding:9px 0;border-bottom:1px solid #EDF0F2;font-size:12px}
.receipt-row span{color:var(--muted)}
.receipt-row strong{text-align:right}
.status{display:inline-block;padding:5px 8px;border-radius:99px;font-size:10px;font-weight:850}
.status-paid{background:#E9F7EF;color:var(--success)}
.status-pending{background:#FFF5D9;color:#8A6200}
.receipt-total{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding-top:14px;border-top:2px solid var(--navy)}
.receipt-total span{font-weight:800;color:var(--muted)}
.receipt-total strong{font-size:22px;color:var(--navy)}
.receipt-actions{display:flex;gap:9px;margin-top:16px}
.payment-form-actions{display:flex;justify-content:center;align-items:center;gap:10px;margin:18px auto 0}
.payment-form-actions a{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border:1px solid #D9E0E7;border-radius:7px;background:#fff;color:var(--blue);font-size:11px;font-weight:700;text-decoration:none;transition:.2s}
.payment-form-actions a:hover{border-color:var(--blue);background:#F7F9FB}
.portal-footer{border-top:1px solid var(--line);background:#fff}
.portal-footer .container{min-height:52px;display:flex;align-items:center;justify-content:center;color:#7A8693;font-size:11px}
@media(max-width:650px){
  .container{width:min(100% - 22px,900px)}
  .portal-header-inner{min-height:64px}
  .portal-logo{width:120px}
  .secure-label{font-size:10px}
  .portal-main{padding:25px 0 30px}
  .portal-card,.receipt{padding:18px}
  .grid-2{grid-template-columns:1fr}
  .card-head{display:block}
  .step{display:inline-block;margin-top:9px}
  .payment-methods{grid-template-columns:1fr}
  .actions,.receipt-actions{flex-direction:column}
  .actions .btn,.receipt-actions .btn{width:100%}
  .receipt-top{align-items:center}
  .receipt-logo{width:100px}
  .receipt-title h2{font-size:17px}
  .payment-form-actions{gap:7px}
  .payment-form-actions a{padding:8px 9px;font-size:10px}
}
@media(max-width:390px){
  .secure-label{display:none}
  .payment-form-actions{flex-direction:column;width:100%}
  .payment-form-actions a{width:100%}
}
@media print{
  body{background:#fff}
  .portal-header,.portal-heading,.portal-footer,.receipt-actions,.payment-form-actions{display:none!important}
  .portal-main{padding:0}
  .container{width:100%}
  .receipt{box-shadow:none;border:0;padding:0}
}