body {
  background: #f3f4f6;
  min-height: 100vh;
  padding: 10px;
  color: #333;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.diag-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.portal-back {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.portal-back a {
  color: #336699;
  text-decoration: none;
}

.portal-back a:hover {
  text-decoration: underline;
}

.portal-banners {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  max-width: 720px;
  margin: 0 auto 16px;
}

.portal-banner-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  padding: 4px;
  line-height: 0;
  border-radius: 8px;
  transition: opacity 0.15s ease;
}

.portal-banner-link:hover {
  opacity: 0.88;
}

.portal-banner-link img {
  display: block;
  width: 100%;
  max-width: 240px;
  height: 76px;
  object-fit: contain;
}

.diag-header {
  text-align: center;
  margin-bottom: 24px;
}

.diag-header h1 {
  color: #1e40af;
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.diag-version {
  color: #9ca3af;
  font-size: 0.85rem;
  margin: 0 0 12px;
}

.diag-lead {
  color: #374151;
  margin: 0 0 8px;
}

.diag-notice {
  display: inline-block;
  margin: 0;
  padding: 8px 12px;
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 8px;
  color: #92400e;
  font-size: 0.9rem;
}

.diag-panel {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.diag-section-title {
  color: #1e40af;
  font-size: 1.1rem;
  margin: 0 0 16px;
}

.diag-photo-examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.diag-example {
  margin: 0;
}

.diag-example img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: 8px;
}

.diag-example figcaption {
  margin-top: 8px;
  font-size: 0.9rem;
}

.diag-example--good figcaption {
  color: #166534;
}

.diag-example--bad figcaption {
  color: #b91c1c;
}

.diag-file-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.diag-file-input {
  display: block;
  width: 100%;
  max-width: 480px;
  margin-bottom: 8px;
}

.diag-caption {
  margin: 4px 0;
  color: #6b7280;
  font-size: 0.85rem;
}

.diag-fieldset {
  border: 0;
  margin: 0 0 20px;
  padding: 0;
}

.diag-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diag-radio {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
}

.diag-radio input {
  margin-top: 4px;
  accent-color: #2e7d32;
}

.diag-info {
  margin: 12px 0 0;
  padding: 10px 12px;
  background: #eff6ff;
  border-radius: 8px;
  color: #1e40af;
  font-size: 0.9rem;
}

.diag-symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.diag-symptom-item img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 8px;
}

.diag-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.diag-checkbox input {
  accent-color: #2e7d32;
}

.diag-actions {
  text-align: center;
}

.diag-submit {
  appearance: none;
  border: 0;
  border-radius: 8px;
  padding: 12px 28px;
  background: #2563eb;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.diag-submit:hover:not(:disabled) {
  background: #1d4ed8;
}

.diag-submit:disabled {
  opacity: 0.6;
  cursor: wait;
}

.diag-status {
  min-height: 1.5rem;
  text-align: center;
  font-weight: 600;
  color: #1e40af;
  margin: 8px 0 16px;
}

.diag-status--error {
  color: #b91c1c;
}

.diag-result-card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.diag-result-title {
  color: #1e40af;
  margin: 0 0 8px;
}

.diag-result-summary {
  color: #166534;
  font-weight: 600;
  margin: 0 0 16px;
}

.diag-result-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.diag-disease-name {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.diag-confidence {
  margin: 0 0 16px;
}

.diag-result-main h4 {
  margin: 16px 0 6px;
  color: #374151;
}

.diag-result-main p {
  margin: 0;
  line-height: 1.6;
}

.diag-rac-link-wrap {
  margin: 20px 0;
}

.diag-rac-link {
  display: inline-block;
  padding: 10px 16px;
  background: #059669;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

.diag-rac-link:hover {
  background: #047857;
}

.diag-top-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diag-top-label {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.diag-progress {
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.diag-progress-bar {
  height: 100%;
  background: #2563eb;
}

.diag-ref-image {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 12px;
}

.diag-upload-preview {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

.diag-ref-missing {
  color: #6b7280;
  font-size: 0.9rem;
}

.diag-footer {
  margin-top: 24px;
  text-align: center;
}

.diag-disclaimer {
  color: #666;
  font-size: 0.85rem;
  line-height: 1.6;
  margin: 0 0 16px;
}

.footer-gp {
  margin: 0 0 8px;
}

.footer-gp-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: #374151;
}

.footer-gp-logo {
  display: block;
}

.footer-gp-name {
  font-size: 0.9rem;
}

.diag-version-footer {
  color: #9ca3af;
  font-size: 0.8rem;
  margin: 0;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .portal-banners {
    grid-template-columns: 1fr;
  }

  .diag-photo-examples,
  .diag-symptom-grid,
  .diag-result-grid {
    grid-template-columns: 1fr;
  }
}