/* Checkout: užsakymo forma ir USDT mokėjimas */
.co-backdrop {
  position: fixed; inset: 0; z-index: 90; background: rgba(2, 3, 12, 0.72);
  opacity: 0; pointer-events: none; transition: opacity 0.35s;
  backdrop-filter: blur(4px);
}
.co-backdrop.open { opacity: 1; pointer-events: auto; }

.co-modal {
  position: fixed; z-index: 91; top: 50%; left: 50%;
  width: min(560px, 94vw); max-height: 92vh; overflow-y: auto;
  transform: translate(-50%, -46%) scale(0.98); opacity: 0; pointer-events: none;
  transition: opacity 0.4s, transform 0.5s var(--ease);
  padding: 34px 34px 30px; border-radius: 24px;
  border: 1px solid rgba(94, 234, 212, 0.22);
  background: linear-gradient(165deg, rgba(14, 22, 58, 0.98), rgba(7, 10, 32, 0.99));
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.6);
}
.co-modal.open { opacity: 1; transform: translate(-50%, -50%) scale(1); pointer-events: auto; }

.co-close {
  position: absolute; top: 18px; right: 18px; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--muted);
}
.co-close:hover { color: var(--ink); border-color: var(--teal); }

.co-title { margin: 0 0 6px; font-family: var(--serif); font-weight: 500; font-size: 30px; }
.co-sub { margin: 0 0 22px; color: var(--muted); font-size: 13px; }

.co-field { margin-bottom: 14px; }
.co-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.co-field label { display: block; margin-bottom: 6px; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.co-field input, .co-field textarea {
  width: 100%; padding: 13px 15px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); color: var(--ink);
  font-family: var(--sans); font-size: 14px; transition: border-color 0.3s, background 0.3s;
}
.co-field input:focus, .co-field textarea:focus { outline: none; border-color: var(--teal); background: rgba(45, 212, 191, 0.06); }
.co-field textarea { min-height: 70px; resize: vertical; }
.co-field.invalid input { border-color: #f87171; }

.co-summary { margin: 18px 0 22px; padding: 16px 18px; border-radius: 14px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); }
.co-line { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--muted); padding: 5px 0; }
.co-line span:last-child { color: var(--ink); white-space: nowrap; }
.co-line.total { margin-top: 8px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 15px; }
.co-line.total span { color: var(--ink); font-family: var(--serif); font-size: 20px; }

.co-error { margin: 0 0 14px; color: #fca5a5; font-size: 13px; }

/* mokėjimo langas */
.co-amount {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin: 6px 0 14px; padding: 18px 20px; border-radius: 16px;
  border: 1px solid rgba(94, 234, 212, 0.3); background: rgba(45, 212, 191, 0.07);
}
.co-amount strong { font-family: var(--serif); font-size: 30px; font-weight: 600; }
.co-addr {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
  padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
}
.co-addr code { flex: 1; font-size: 12.5px; word-break: break-all; color: #cfe3ff; font-family: ui-monospace, Consolas, monospace; }
.co-copy { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.co-copy:hover { border-color: var(--teal); color: var(--teal); }
.co-qr { display: block; width: 170px; margin: 0 auto 16px; border-radius: 12px; background: #fff; padding: 10px; }
.co-warn { margin: 0 0 16px; padding: 12px 14px; border-radius: 12px; font-size: 12.5px; line-height: 1.6; color: #fcd9a8; background: rgba(251, 191, 36, 0.08); border: 1px solid rgba(251, 191, 36, 0.25); }

/* banko rekvizitai */
.co-bank { margin-bottom: 14px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.co-bank-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
}
.co-bank-row:last-child { border-bottom: 0; }
.co-bank-row span { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.co-bank-row strong { font-size: 14px; font-weight: 500; text-align: right; word-break: break-word; }

.co-status { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.co-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); animation: coPulse 1.6s ease-in-out infinite; }
@keyframes coPulse { 0%, 100% { opacity: 0.25; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.15); } }
.co-timer { margin-left: auto; font-family: ui-monospace, Consolas, monospace; color: var(--ink); }

.co-done { text-align: center; padding: 10px 0 6px; }
.co-done .co-mark { width: 92px; margin: 0 auto 14px; }
.co-done h3 { margin: 0 0 10px; font-family: var(--serif); font-weight: 500; font-size: 26px; }
.co-done p { margin: 0 0 6px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.co-done code { color: #a5f3fc; font-size: 13px; }

@media (max-width: 520px) {
  .co-modal { padding: 26px 20px 22px; width: 96vw; }
  .co-row { grid-template-columns: 1fr; gap: 0; }
  .co-amount strong { font-size: 24px; }
}