.extension-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.extension-popup-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.extension-popup-modal {
  background-color: var(--card-bg);
  border-radius: 12px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-md);
  position: relative;
  animation: slideUp 0.3s ease-out;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.close-btn:hover {
  background-color: var(--border-color);
}

.extension-popup-content {
  text-align: center;
}

.popup-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.popup-description {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
  transition: color 0.3s ease;
}

.popup-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.extension-popup-modal .btn-primary,
.extension-popup-modal .btn-secondary {
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
  font-family: inherit;
  width: auto !important;
}

.extension-popup-modal .btn-primary {
  background-color: var(--primary-color);
  color: var(--accent-color);
  border-color: var(--primary-color);
}

.extension-popup-modal .btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.extension-popup-modal .btn-secondary {
  background-color: var(--border-color);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.extension-popup-modal .btn-secondary:hover {
  background-color: var(--text-secondary);
  color: var(--card-bg);
  border-color: var(--text-secondary);
}

.popup-footer {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
  transition: color 0.3s ease;
}

@media (max-width: 640px) {
  .extension-popup-modal {
    padding: 32px 20px;
  }

  .popup-title {
    font-size: 20px;
  }

  .popup-description {
    font-size: 14px;
  }
}