/* ── CIPHER Checkout ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:     #000;
  --c1:     #0d0d0d;
  --c2:     #141414;
  --border: #1e1e1e;
  --b2:     #2a2a2a;
  --text:   #e8e8e8;
  --muted:  #555;
  --green:  #22c55e;
  --red:    #ef4444;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  font-size: 14px;
}

/* ── NAV ─────────────────────────────────────────────────────── */
.co-nav {
  display: flex;
  justify-content: center;
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-pill {
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(8,8,8,0.92);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 20px;
  width: 100%;
  max-width: 900px;
}
.nav-logo {
  display: flex; align-items: center; gap: 7px;
  font-weight: 800; font-size: 14px; letter-spacing: 1px;
  color: #fff; text-decoration: none;
}
.nav-links { display: flex; gap: 20px; margin-left: 8px; }
.nav-links a { color: #888; font-size: 13px; text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  margin-left: auto;
  background: #fff; color: #000;
  border-radius: 50px; padding: 7px 16px;
  font-size: 12px; font-weight: 700;
  text-decoration: none; transition: opacity .15s;
}
.nav-cta:hover { opacity: .85; }

/* ── STEPPER ─────────────────────────────────────────────────── */
.co-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 28px 24px 0;
}
.co-step {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--c1);
  white-space: nowrap;
}
.co-step.active {
  color: #fff;
  border-color: #fff;
  background: rgba(255,255,255,0.05);
}
.co-step.done {
  color: var(--green);
  border-color: rgba(34,197,94,.3);
  background: rgba(34,197,94,.05);
}
.co-step-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

/* ── BODY LAYOUT ─────────────────────────────────────────────── */
.co-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  max-width: 960px;
  margin: 32px auto 80px;
  padding: 0 24px;
  align-items: start;
}

/* ── LEFT COLUMN ─────────────────────────────────────────────── */
.co-section-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
}

/* ── EMAIL FIELD ─────────────────────────────────────────────── */
.email-field {
  background: var(--c1);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 8px;
}
.email-label {
  display: block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 10px;
}
.email-input {
  width: 100%;
  background: var(--c2);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.email-input::placeholder { color: #3a3a3a; }
.email-input:focus { border-color: #444; }
.email-hint {
  margin-top: 8px;
  font-size: 11px;
  color: var(--muted);
}

/* ── PAYMENT METHOD ROWS ─────────────────────────────────────── */
.pay-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: var(--c1);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.pay-row:hover { border-color: var(--b2); background: var(--c2); }
.pay-row.selected {
  border-color: #fff;
  background: rgba(255,255,255,0.03);
}
.pay-row-left { display: flex; align-items: center; gap: 14px; }
.coin-circle {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.pay-row-name { font-weight: 700; font-size: 14px; margin-bottom: 2px; }
.pay-row-sub  { color: var(--muted); font-size: 12px; }
.pay-row-right { display: flex; align-items: center; gap: 10px; }
.pay-total-badge {
  font-size: 12px; color: var(--muted);
  background: var(--c2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 12px;
  white-space: nowrap;
}
.pay-total-val { color: #fff; font-weight: 700; }
.pay-select-btn {
  background: var(--c2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  padding: 7px 16px;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}
.pay-select-btn:hover { background: var(--b2); border-color: #333; }
.pay-row.selected .pay-select-btn {
  background: #fff; color: #000; border-color: #fff;
}

/* ── RIGHT COLUMN ────────────────────────────────────────────── */
.co-right {
  background: var(--c1);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: sticky;
  top: 88px;
}
.co-right-title {
  font-size: 16px; font-weight: 800;
  margin-bottom: 20px;
}
.order-item {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px;
}
.order-item-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--c2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.order-item-info { flex: 1; }
.order-item-name { font-weight: 700; font-size: 14px; }
.order-item-sub  { color: var(--muted); font-size: 12px; margin-top: 2px; }
.order-item-price { font-weight: 800; font-size: 15px; }
.order-divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.order-row {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--muted);
  margin-bottom: 10px;
}
.order-row span:last-child { color: var(--text); font-weight: 600; }
.order-total { color: var(--text) !important; font-weight: 800 !important; font-size: 15px !important; }
.order-total span { font-weight: 800 !important; }

.proceed-btn {
  width: 100%;
  margin-top: 20px;
  padding: 13px;
  background: #fff;
  color: #000;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  transition: opacity .15s;
  letter-spacing: 0.2px;
}
.proceed-btn:hover:not(:disabled) { opacity: .88; }
.proceed-btn:disabled { opacity: .3; cursor: not-allowed; }

.back-btn {
  width: 100%;
  margin-top: 16px;
  padding: 11px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: color .15s, border-color .15s;
}
.back-btn:hover { color: var(--text); border-color: var(--b2); }

.order-secure {
  display: flex; align-items: center; gap: 6px;
  margin-top: 14px;
  font-size: 11px; color: var(--muted);
  justify-content: center;
}

/* ── INVOICE LEFT ────────────────────────────────────────────── */
.inv-warn {
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: #fde68a;
  margin-bottom: 20px;
  line-height: 1.5;
}
.inv-loading {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted); font-size: 13px;
  padding: 20px 0;
}
.inv-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.inv-row {
  background: var(--c1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 12px;
}
.inv-row-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.inv-amount {
  font-size: 28px; font-weight: 900;
  letter-spacing: -1px;
}
.inv-usd { font-size: 12px; color: var(--muted); margin-top: 4px; }

.inv-address {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  word-break: break-all;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 12px;
}
.inv-copy-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--c2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 14px;
  font-size: 12px; font-weight: 600;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background .15s;
}
.inv-copy-btn:hover { background: var(--b2); }
.inv-copy-btn.copied { color: var(--green); border-color: rgba(34,197,94,.4); }

.inv-qr-wrap {
  display: flex; flex-direction: column; align-items: center;
  gap: 10px;
  padding: 24px;
  background: var(--c1);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
}
.inv-qr {
  width: 150px; height: 150px;
  border-radius: 8px;
  background: #fff;
  padding: 6px;
}
.inv-qr-hint { font-size: 12px; color: var(--muted); }

.inv-timer-row {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(245,158,11,.06);
  border: 1px solid rgba(245,158,11,.15);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: #f59e0b;
  margin-bottom: 10px;
}
.inv-timer-row strong { font-variant-numeric: tabular-nums; }

.inv-status-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--c1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
}
.inv-status-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.inv-status-dot.waiting   { background: #f59e0b; animation: pulse 1.5s ease-in-out infinite; }
.inv-status-dot.detecting { background: #3b82f6; }
.inv-status-dot.success   { background: var(--green); }
.inv-status-dot.failed    { background: var(--red); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── SUCCESS ─────────────────────────────────────────────────── */
.co-success {
  display: flex; align-items: center; justify-content: center;
  min-height: 80vh;
  padding: 40px 24px;
}
.success-card {
  background: var(--c1);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
}
.success-check {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.25);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
}
.success-card h2 { font-size: 24px; font-weight: 900; margin-bottom: 8px; }
.success-card p  { color: var(--muted); font-size: 14px; margin-bottom: 28px; }

.key-reveal {
  background: var(--c2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  text-align: left;
}
.key-reveal-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.2px; color: var(--muted);
  text-transform: uppercase; margin-bottom: 10px;
}
.key-reveal-val {
  font-family: 'Courier New', monospace;
  font-size: 20px; font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  word-break: break-all;
}
.key-copy-btn {
  width: 100%; padding: 11px;
  background: #fff; color: #000;
  border: none; border-radius: 8px;
  font-weight: 800; font-size: 13px;
  cursor: pointer; font-family: inherit;
  transition: opacity .15s;
}
.key-copy-btn:hover { opacity: .85; }
.success-actions { display: flex; gap: 14px; justify-content: center; margin-top: 20px; }
.success-link-btn {
  padding: 10px 20px;
  background: var(--c2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  text-decoration: none; font-size: 13px; font-weight: 700;
  transition: border-color .15s;
}
.success-link-btn:hover { border-color: var(--b2); }
.success-link-plain { color: var(--muted); font-size: 13px; text-decoration: none; display: flex; align-items: center; }
.success-link-plain:hover { color: var(--text); }

@media (max-width: 700px) {
  .co-body { grid-template-columns: 1fr; }
  .co-right { position: static; }
  .nav-links { display: none; }
  .inv-amount { font-size: 22px; }
}