/* css/checkout-modal.css */
:root{
  --ck-bg:#070b18;
  --ck-card:rgba(13,22,49,.92);
  --ck-line:rgba(255,255,255,.10);
  --ck-text:#e8ecff;
  --ck-muted:rgba(232,236,255,.72);
  --ck-field:rgba(255,255,255,.06);
  --ck-field2:rgba(255,255,255,.09);
  --ck-primary:#22c55e;
  --ck-danger:#ef4444;
}

body.checkout-lock{
  overflow:hidden !important;
}

.checkout-backdrop{
  position:fixed;
  inset:0;
  z-index:99999;
  display:none;
  align-items:center;
  justify-content:center;
  padding:18px;
  background:rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}

.checkout-backdrop.is-open{ display:flex; }

.checkout-modal{
  width:min(640px, 100%);
  border:1px solid var(--ck-line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(24,40,88,.35), rgba(10,16,40,.35)), var(--ck-card);
  box-shadow:0 30px 120px rgba(0,0,0,.6);
  overflow:hidden;
  color:var(--ck-text);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

.checkout-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 16px 12px 16px;
  border-bottom:1px solid var(--ck-line);
}

.checkout-head h3{
  margin:0;
  font-size:16px;
  letter-spacing:.2px;
}

.checkout-close{
  border:1px solid var(--ck-line);
  background:rgba(255,255,255,.04);
  color:var(--ck-text);
  padding:8px 14px;
  border-radius:12px;
  cursor:pointer;
}

.checkout-body{
  padding:16px;
}

.checkout-title{
  margin:0 0 6px 0;
  font-size:28px;
  line-height:1.1;
  font-weight:800;
}

.checkout-sub{
  margin:0 0 14px 0;
  color:var(--ck-muted);
  font-size:13px;
}

.checkout-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}

.checkout-field{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.checkout-field label{
  font-size:13px;
  color:var(--ck-muted);
}

.checkout-field input{
  width:100%;
  padding:13px 14px;
  border-radius:14px;
  border:1px solid var(--ck-line);
  background:var(--ck-field);
  color:var(--ck-text);
  outline:none;
}

.checkout-field input:focus{
  border-color:rgba(34,197,94,.55);
  background:var(--ck-field2);
}

.checkout-actions{
  margin-top:10px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.checkout-btn{
  flex:1;
  min-width:180px;
  border:0;
  background:var(--ck-primary);
  color:#05210f;
  font-weight:900;
  font-size:14px;
  padding:13px 16px;
  border-radius:14px;
  cursor:pointer;
}

.checkout-btn:disabled{ opacity:.7; cursor:not-allowed; }

.checkout-status{
  margin-top:10px;
  font-size:13px;
  color:var(--ck-muted);
  min-height:18px;
}

.checkout-status.is-error{ color:#ffd1d1; }

.checkout-pill{
  display:inline-block;
  margin-top:10px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--ck-line);
  background:rgba(255,255,255,.04);
  font-size:12px;
  color:var(--ck-muted);
}

/* mobile */
@media (max-width:520px){
  .checkout-title{ font-size:24px; }
}