/* 50-checkout — checkout form, payment method picker, crypto pay panel */
.checkout { display: grid; grid-template-columns: 1.3fr .9fr; gap: 34px; margin-top: 20px; align-items: start; }
.co-main { display: flex; flex-direction: column; gap: 26px; }

.fieldset { border: 1px solid var(--line); border-radius: 4px; background: var(--label); box-shadow: var(--shadow); padding: 20px 22px; }
.fieldset > legend, .fs-title { font-family: var(--mono); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.1em; color: var(--accent); text-transform: uppercase; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.fs-title .step { background: var(--ink); color: var(--paper); width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.68rem; }

.frow { display: flex; gap: 14px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; flex: 1; min-width: 140px; }
.field.full { flex-basis: 100%; }
.field label { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--muted); text-transform: uppercase; }
.field input, .field select {
  font-family: var(--body); font-size: 0.98rem; padding: 10px 12px; border: 1.5px solid var(--line);
  border-radius: 2px; background: var(--paper); color: var(--ink);
}
.field input:focus, .field select:focus { border-color: var(--accent); outline: none; }
.field .err { color: var(--accent); font-family: var(--mono); font-size: 0.7rem; min-height: 0; }
.field.bad input { border-color: var(--accent); }

/* payment method picker */
.paymethods { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.paymethod {
  border: 1.5px solid var(--line); border-radius: 3px; padding: 14px; cursor: pointer;
  display: flex; flex-direction: column; gap: 4px; background: var(--paper); transition: border-color .12s;
}
.paymethod:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.paymethod.on { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.paymethod.disabled { opacity: .5; cursor: not-allowed; }
.paymethod .pm-h { font-family: var(--disp); font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 8px; }
.paymethod .pm-sub { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.03em; }
.paymethod .pm-tag { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; }
.asset-pick { display: flex; gap: 8px; margin-top: 12px; }
.asset-pick button { font-family: var(--mono); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.05em; border: 1.5px solid var(--line); background: var(--label); color: var(--muted); border-radius: 2px; padding: 7px 12px; cursor: pointer; }
.asset-pick button.on { border-color: var(--ink); color: var(--ink); }

.co-error { color: var(--accent); font-family: var(--mono); font-size: 0.82rem; margin: 4px 0 0; }

/* crypto pay panel */
.pay-panel { max-width: 560px; margin: 24px auto; text-align: center; }
.pay-panel .qr {
  width: 260px; height: 260px; margin: 18px auto; padding: 14px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow);
}
.pay-panel .qr svg { width: 100%; height: 100%; display: block; }
.pay-amt { font-family: var(--mono); font-weight: 600; font-size: 1.9rem; margin: 6px 0 2px; }
.pay-amt .cur { color: var(--muted); font-size: 0.55em; letter-spacing: 0.04em; }
.pay-sub { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); letter-spacing: 0.03em; }
.pay-addr { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); word-break: break-all; background: var(--band); border: 1px solid var(--line); border-radius: 3px; padding: 8px 10px; margin: 14px auto; max-width: 420px; }
.pay-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 14px 0; }
.pay-status { display: inline-flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.04em; color: var(--muted); margin-top: 10px; }
.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: .3; transform: scale(.8);} 50% { opacity: 1; transform: scale(1);} }
.pay-timer { font-family: var(--mono); font-size: 0.78rem; color: var(--warn); margin-top: 8px; }
.pay-instr { font-family: var(--mono); font-size: 0.74rem; color: var(--muted); max-width: 42ch; margin: 12px auto 0; line-height: 1.7; }

@media (max-width: 820px) {
  .checkout { grid-template-columns: 1fr; }
  .paymethods { grid-template-columns: 1fr; }
}