.payment-modal {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(8, 6, 28, 0.78);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.payment-dialog {
  width: min(520px, 100%);
  max-height: min(90vh, 720px);
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid rgba(152, 104, 255, 0.34);
  background: linear-gradient(160deg, rgba(39, 24, 92, 0.98), rgba(22, 16, 58, 0.98));
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.payment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(152, 104, 255, 0.22);
}

.payment-head h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
}

.payment-close {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

.payment-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px 18px 0;
}

.payment-tabs button {
  min-height: 44px;
  border: 1px solid rgba(152, 104, 255, 0.28);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: #c9bdf1;
  font-weight: 800;
  cursor: pointer;
}

.payment-tabs button.active {
  background: linear-gradient(135deg, #8d55ff, #6f46d5);
  border-color: transparent;
  color: #fff;
}

.payment-body {
  padding: 14px 18px 18px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.payment-methods {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.payment-method-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(152, 104, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.payment-method-card:hover,
.payment-method-card.active {
  border-color: rgba(141, 85, 255, 0.6);
  background: rgba(141, 85, 255, 0.14);
}

.payment-method-card small {
  display: block;
  color: #aea2d6;
  font-size: 11px;
  margin-top: 2px;
}

.payment-method-card.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.payment-field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.payment-field label {
  font-size: 12px;
  font-weight: 800;
  color: #c9bdf1;
}

.payment-field input,
.payment-field select,
.payment-field textarea {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(152, 104, 255, 0.28);
  background: rgba(12, 8, 36, 0.65);
  color: #fff;
  font: inherit;
}

.payment-field textarea {
  min-height: 72px;
  resize: vertical;
}

.payment-instructions {
  padding: 12px;
  border-radius: 12px;
  background: rgba(34, 223, 79, 0.08);
  border: 1px solid rgba(34, 223, 79, 0.22);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.payment-instructions strong {
  display: block;
  margin-bottom: 6px;
}

.payment-actions {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.payment-submit {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #8d55ff, #22df4f);
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  cursor: pointer;
}

.payment-back {
  min-height: 40px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.payment-msg {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 10px;
}

.payment-msg.error {
  background: rgba(255, 59, 92, 0.12);
  border: 1px solid rgba(255, 59, 92, 0.35);
  color: #ffb3c0;
}

.payment-msg.ok {
  background: rgba(34, 223, 79, 0.1);
  border: 1px solid rgba(34, 223, 79, 0.3);
  color: #c8f5d4;
}

.payment-submethods {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}