body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 20px;
}

.kp-wrapper {
  max-width: 720px;
  margin: 0 auto;
  background: #ffffff;
  padding: 24px 20px 28px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.kp-wrapper h2 {
  margin-top: 0;
  margin-bottom: 4px;
  font-size: 1.6rem;
}

.kp-subtitle {
  margin-top: 0;
  margin-bottom: 16px;
  color: #555;
  font-size: 0.95rem;
}

.kp-row {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
}

.kp-row label {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.kp-row label span {
  color: #e53935;
}

.kp-row input,
.kp-row select,
.kp-row textarea {
  padding: 8px 10px;
  font-size: 0.95rem;
  border-radius: 6px;
  border: 1px solid #ddd;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.kp-row input:focus,
.kp-row select:focus,
.kp-row textarea:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0,123,255,0.15);
}

.kp-row textarea {
  min-height: 90px;
  resize: vertical;
}

.kp-row small {
  font-size: 0.8rem;
  color: #777;
  margin-top: 4px;
}

.kp-actions {
  text-align: right;
}

#submit-whatsapp {
  background: #25d366;
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

#submit-whatsapp:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#submit-whatsapp::before {
  content: "📨";
}

.kp-message {
  margin-top: 12px;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
}

.kp-message.success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.kp-message.error {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ffcdd2;
}

@media (max-width: 600px) {
  .kp-wrapper {
    padding: 18px 14px 22px;
  }
}