/* ====== Base Styles ====== */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
}

/* ====== Popup Container ====== */
#credit-card-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  overflow-y: auto;
}

.popup-content {
  width: 380px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(0,0,0,0.3);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  color: #333;
}

.popup-content::-webkit-scrollbar {
  width: 0;
  background: transparent;
}

/* ====== Popup Header ====== */
.popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid #eee;
}

.popup-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
}

.close-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: #666;
  cursor: pointer;
  transition: all 0.2s ease;
}

.close-btn:hover {
  color: #333;
  transform: scale(1.1);
}

/* ====== Form Section ====== */
.form-section {
  padding: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #333 !important;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  color: #333;
  background-color: white;
}

.form-input:focus {
  outline: none;
  border-color: #1a73e8;
  box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.card-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ====== Timer ====== */
.timer-bar {
  background-color: #1a73e8;
  color: white;
  text-align: center;
  padding: 8px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ====== Security Section ====== */
.security-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background-color: #f8f9fa;
  border-bottom: 1px solid #eee;
}

.security-guarantee {
  height: 40px;
  display: flex;
  align-items: center;
}

.security-guarantee img {
  height: 100%;
  width: auto;
  filter: contrast(1.2) brightness(1.1);
}

.card-brands {
  display: flex;
  gap: 8px;
}

.card-brands img {
  height: 24px;
  width: auto;
}

/* ====== Toggle Switch ====== */
.toggle-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0;
  position: relative;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: #1a73e8;
}

input:checked + .toggle-slider:before {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 14px;
}

.info-icon {
  color: #666;
  font-size: 14px;
  cursor: pointer;
}

/* ====== Select & Summary ====== */
.installment-select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  background-color: white;
  appearance: none;

  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
}

.payment-summary {
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 12px;
  margin: 16px 0;
}

.payment-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.payment-label {
  font-size: 14px;
  color: #666 !important;
}

.payment-amount {
  font-size: 16px;
  font-weight: 600;
  color: #e67e22;
}

.detail-link {
  color: #1a73e8;
  font-size: 13px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.detail-link i {
  font-size: 12px;
}

/* ====== Coin Info ====== */
.coin-info {
  display: none;
  background-color: #f8f9fa;
  border-radius: 8px;
  padding: 12px;
  margin-top: 8px;
}

/* ====== Pay Button ====== */
.pay-button {
  width: 100%;
  padding: 12px;
  background-color: #1a73e8;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 8px;
  transition: background-color 0.3s;
}

.pay-button:hover {
  background-color: #1565c0;
}

.pay-button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

/* ====== CVV Popup ====== */
.cvv-popup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1001;
}

.cvv-popup-content {
  background-color: white;
  border-radius: 12px;
  padding: 16px;
  width: 90%;
  max-width: 300px;
  position: relative;
}

.cvv-popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  font-size: 20px;
  color: #666;
  cursor: pointer;
}

.cvv-popup img {
  width: 100%;
  border-radius: 8px;
  margin-top: 8px;
}

/* ====== Save Info Popup ====== */
.save-info-popup {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  padding: 8px 12px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  font-size: 12px;
  width: 200px;
  z-index: 10;
  display: none;
}

/* ====== Trigger Button ====== */
.trigger-button {
  padding: 12px 24px;
  background-color: #1a73e8;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  margin: 20px;
}

.trigger-button:hover {
  background-color: #1565c0;
}

/* ====== Channel Grid (Animation) ====== */
.channel-grid {
  overflow: hidden;
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.channel-grid.open {
  transform: scaleY(1);
  opacity: 1;
}

/* ====== Utility ====== */
.popup-hidden {
  display: none !important;
}