.whatsapp-button {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1001;
}

.custom-overlay {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 1100;
  animation: fadeIn 0.3s ease-out;
  display: none;

  @media (max-width: 575px) {
    right: 16px;
    left: 16px;
    bottom: 80px;
  }

  .zap-panel {
    width: 435px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    height: 236px;
    justify-content: space-between;

    @media (max-width: 575px) {
      width: 100%;
    }

    textarea::placeholder {
      font-family: Inter, system-ui, Segoe UI, Roboto, Arial, sans-serif;
    }

    h4 {
      margin: 0;
      font-size: 16px;
      font-weight: 700;
      color: #0a1730;
    }

    textarea {
      width: 100%;
      height: 100px;
      resize: none;
      border: 1px solid #d1d5db;
      border-radius: 8px;
      padding: 8px;
      font-size: 14px;
      color: #111827;
      outline: none;

      &:focus {
        border-color: #25d366;
        box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.25);
      }
    }

    .send-button {
      background: #25d366;
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 10px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
    }

    .close-button {
      position: absolute;
      top: 10px;
      right: 12px;
      background: transparent;
      border: none;
      font-size: 18px;
      color: #6b7280;
      cursor: pointer;

      &:hover {
        color: #111;
      }
    }
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.custom-overlay.active {
  display: block;
}