[hidden]{display:none!important}
:root{
  --bg:#f5f7fb;--surface:#fff;--text:#111827;--muted:#667085;--line:#e3e9f2;
  --blue:#2667ff;--blue2:#1859ec;--green:#16b364;--danger:#b42318;
  --shadow:0 26px 80px rgba(28,45,82,.12)
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.checkout-shell{width:min(620px,calc(100% - 28px));margin:0 auto;padding:42px 0 70px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:750;letter-spacing:-.03em;margin-bottom:28px}
.brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(145deg,var(--blue),#6a92ff);color:#fff;display:grid;place-items:center;font-weight:850;box-shadow:0 10px 22px rgba(38,103,255,.22)}
.checkout-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
.kicker{font-size:11px;letter-spacing:.09em;text-transform:uppercase;font-weight:850;color:var(--blue);margin-bottom:11px}
h1{font-size:clamp(30px,6vw,42px);line-height:1.06;letter-spacing:-.045em;margin:0 0 12px}
.checkout-head p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
.progress{display:flex;align-items:center;margin:28px 0}
.progress-step{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#eef2f7;color:#8490a3;font-size:12px;font-weight:800;border:1px solid #e2e8f0}
.progress-step.active,.progress-step.done{background:var(--blue);border-color:var(--blue);color:#fff}
.progress i{height:1px;background:#e3e9f2;flex:1}
.step{display:grid;gap:12px}
.field-label{font-size:12px;font-weight:800;color:#344054}
.field{width:100%;height:54px;border:1px solid #d7deea;border-radius:14px;padding:0 16px;background:#fff;color:var(--text);outline:none;transition:.2s}
.field:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(38,103,255,.10)}
.code-field{font-size:22px;letter-spacing:.14em;font-weight:750;text-align:center}
.field-hint{font-size:11px;line-height:1.55;color:#8994a5;margin:-3px 0 5px}
.btn{min-height:52px;border-radius:14px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:.2s;padding:0 18px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 26px rgba(38,103,255,.18)}
.btn-primary:not(:disabled):hover{background:var(--blue2);transform:translateY(-1px)}
.btn-secondary{background:#f7f9fc;border-color:var(--line);color:#344054}
.code-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:4px}
.code-head strong,.code-head span{display:block}
.code-head strong{font-size:15px}
.code-head span{font-size:11px;color:var(--muted);margin-top:3px}
.link-btn{border:0;background:transparent;color:var(--blue);font-size:11px;font-weight:800;cursor:pointer;padding:2px 0}
.status{padding:12px 14px;border-radius:12px;margin:0 0 18px;font-size:12px;line-height:1.5;background:#fff4ed;color:#9c2a10;border:1px solid #fed7c2}
.status.success{background:#edf9f3;color:#087443;border-color:#ccebdc}
.payment-summary{background:#f7f9fc;border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:4px}
.payment-summary span,.payment-summary small{display:block;color:var(--muted);font-size:11px}
.payment-summary strong{display:block;font-size:18px;margin:5px 0}
.payment-methods{display:grid;gap:9px}
.payment-method{display:flex;align-items:center;justify-content:space-between;text-align:left;width:100%;min-height:52px;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 14px;cursor:pointer}
.payment-method.selected{border-color:var(--blue);box-shadow:0 0 0 3px rgba(38,103,255,.08)}
.payment-method strong{font-size:13px}
.payment-method small{font-size:10px;color:var(--muted)}
.secure-note{margin-top:20px;text-align:center;color:#98a2b3;font-size:10px;line-height:1.5}
.back-link{text-align:center;color:#667085;font-size:12px;margin-top:18px}
@media(max-width:560px){.checkout-shell{padding-top:22px}.checkout-card{padding:24px 20px;border-radius:22px}.code-head{flex-direction:column;gap:6px}}

.code-hint{font-size:11px;color:#8994a5;margin-top:-3px;min-height:17px}
.code-hint.checking{color:var(--blue);font-weight:700}
.code-hint.success{color:#087443;font-weight:700}
.code-hint.error{color:var(--danger);font-weight:700}

.code-field::placeholder{
  color:#c7ced9;
  opacity:.65;
  font-weight:650;
  letter-spacing:.16em;
}

.inline-error{padding:12px 14px;border-radius:12px;font-size:12px;line-height:1.5;background:#fff4ed;color:#9c2a10;border:1px solid #fed7c2}
.payment-method{transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease,background .18s ease}
.payment-method:hover{border-color:#b8c8ee;background:#fbfcff;transform:translateY(-1px)}
.payment-method.selected:hover{border-color:var(--blue)}
.method-arrow{color:#98a2b3;font-size:18px;transition:transform .18s ease,color .18s ease}
.payment-method:hover .method-arrow,.payment-method.selected .method-arrow{color:var(--blue);transform:translateX(2px)}


.payment-final-price{font-size:18px!important;font-weight:850;color:var(--text)!important;margin-top:4px}
.payment-base-price{text-decoration:line-through;color:#98a2b3!important;margin-top:2px}
.payment-discount{color:#087443!important;font-weight:750;margin-top:4px}

.promo-box{display:grid;gap:8px;padding:4px 0 2px}
.promo-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:9px;align-items:center}
.promo-field{min-width:0}
.promo-apply{height:54px;min-height:54px;white-space:nowrap;padding:0 20px}
.promo-meta{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-height:18px}
.promo-message{font-size:11px;line-height:1.5;color:#667085}
.promo-message.success{color:#087443;font-weight:700}
.promo-message.error{color:var(--danger);font-weight:700}
.promo-message.checking{color:var(--blue);font-weight:700}
.promo-remove{flex:0 0 auto;white-space:nowrap}

@media(max-width:480px){
  .promo-row{grid-template-columns:1fr}
  .promo-apply{width:100%}
  .promo-meta{flex-direction:column;gap:4px}
}