:root {
  --payment-input-bg: #ffffff;
  --payment-input-border: #cbd5e1;
  --payment-input-color: #0f172a;
  --payment-input-placeholder: #94a3b8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --payment-input-bg: #111418;
    --payment-input-border: #2d3748;
    --payment-input-color: #f1f5f9;
    --payment-input-placeholder: #64748b;
  }
}

.payment-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(5px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 30px 15px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.payment-modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.payment-modal-card {
  width: 100%;
  max-width: 460px;
  background-color: var(--sky-card-bg);
  border: 1px solid var(--sky-border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  transform: translateY(-20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.payment-modal-backdrop.active .payment-modal-card {
  transform: translateY(0);
}

/* ── Modal header row ───────────────────────────────────────────────────── */
.payment-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.payment-modal-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.payment-modal-brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--sky-text);
}

.payment-modal-brand span {
  color: #60a5fa;
}

.payment-modal-subtitle {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--sky-text-muted);
}

.payment-modal-close {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.06);
  border: 1px solid var(--sky-border, rgba(0,0,0,0.08));
  border-radius: 50%;
  font-size: 15px;
  color: var(--sky-text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.18s ease;
}

.payment-modal-close:hover {
  color: var(--sky-text);
  background-color: rgba(0, 0, 0, 0.12);
}

/* ── Divider ────────────────────────────────────────────────────────────── */
.payment-modal-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 14px;
  font-size: 11px;
  color: var(--sky-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.payment-modal-divider::before,
.payment-modal-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sky-border, rgba(0,0,0,0.1));
}

/* ── Binance direct button ──────────────────────────────────────────────── */
.payment-binance-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  height: 46px;
  border-radius: 10px;
  background: #f0b90b14;
  border: 1px solid #f0b90b55;
  color: #b8860b;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.payment-binance-btn:hover {
  background: #f0b90b22;
  border-color: #f0b90b99;
  color: #946c00;
  transform: translateY(-1px);
}

@media (prefers-color-scheme: dark) {
  .payment-binance-btn {
    background: #f0b90b1a;
    border-color: #f0b90b44;
    color: #f0c040;
  }
  .payment-binance-btn:hover {
    background: #f0b90b2a;
    color: #ffd060;
  }
}

.payment-instruction {
  font-size: 13px;
  color: var(--sky-text-muted);
  margin-bottom: 18px;
  line-height: 1.4;
  text-align: center;
}

.payment-input-group {
  position: relative;
  margin-bottom: 16px;
}

.payment-input-group .form-control {
  width: 100%;
  height: 48px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--payment-input-border);
  background: var(--payment-input-bg);
  color: var(--payment-input-color);
  padding: 0 16px;
  outline: none;
  transition: all 0.2s ease;
}

.payment-input-group .form-control:focus {
  border-color: #0066ff;
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.25);
}

.payment-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 12px;
  color: var(--sky-text-muted);
}

.payment-checkbox-wrapper input[type="checkbox"] {
  accent-color: #0066ff;
  width: 16px;
  height: 16px;
}

.payment-checkbox-wrapper a {
  color: #0066ff;
  text-decoration: none;
}

.payment-submit-btn {
  width: 100%;
  height: 48px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 10px;
  background: #0066ff;
  color: #ffffff;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 102, 255, 0.35);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.payment-submit-btn:hover {
  background: #0052cc;
  transform: translateY(-1px);
}