.photoeval-app {
  max-width: 920px;
  font-family: Arial, sans-serif;
}

.photoeval-app [hidden] {
  display: none !important;
}

.photoeval-upload {
  margin: 14px 0;
}

.photoeval-file {
  display: none;
}

.photoeval-drop {
  min-height: 150px;
  border: 2px dashed #999;
  border-radius: 8px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-align: center;
}

.photoeval-drop.dragover {
  border-color: #1a73e8;
  background: #eef5ff;
}

.photoeval-message {
  color: #8a1f11;
  margin: 8px 0;
}

.photoeval-workarea {
  display: grid;
  grid-template-columns: minmax(280px, max-content) minmax(300px, 1fr);
  gap: 14px;
  align-items: start;
  margin: 12px 0;
}

.photoeval-previews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin: 0;
}

.photoeval-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fff;
}

.photoeval-preview.has-histogram {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(220px, 320px);
  align-items: start;
  grid-column: span 2;
  width: min(100%, 560px);
}

.photoeval-preview img,
.photoeval-histogram canvas {
  display: block;
  width: 100%;
}

.photoeval-preview img {
  aspect-ratio: 1;
  object-fit: cover;
}

.photoeval-preview span,
.photoeval-histogram span {
  display: block;
  padding: 7px;
  font-size: 13px;
}

.photoeval-preview.has-histogram > img {
  grid-column: 1;
  grid-row: 1;
}

.photoeval-preview.has-histogram > span {
  grid-column: 1;
  grid-row: 2;
}

.photoeval-histogram {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  margin-left: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.photoeval-analysis-panel {
  min-height: 190px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fff;
  padding: 10px;
}

.photoeval-analysis-panel strong {
  display: block;
  margin: 0 0 8px;
}

.photoeval-analysis-panel pre {
  white-space: pre-wrap;
  overflow: auto;
  max-height: 320px;
  margin: 0;
  font: 13px/1.45 Consolas, monospace;
}

.photoeval-app.is-loading .photoeval-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.65) 50%, transparent 80%);
  transform: translateX(-100%);
  animation: photoeval-shimmer 1.25s infinite;
}

@keyframes photoeval-shimmer {
  to { transform: translateX(100%); }
}

.photoeval-submit {
  margin: 12px 0;
  padding: 11px 18px;
  border: 0;
  border-radius: 6px;
  background: #1a73e8;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.photoeval-submit:disabled {
  background: #999;
}

.photoeval-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}

.photoeval-spinner {
  width: 22px;
  height: 22px;
  border: 3px solid #ddd;
  border-top-color: #1a73e8;
  border-radius: 50%;
  animation: photoeval-spin .8s linear infinite;
}

@keyframes photoeval-spin {
  to { transform: rotate(360deg); }
}

.photoeval-algorithmic {
  margin: 12px 0;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fff;
}

.photoeval-algorithmic h4 {
  margin: 0 0 8px;
}

.photoeval-algorithmic pre {
  white-space: pre-wrap;
  margin: 0;
  font: 13px/1.45 Consolas, monospace;
}

.photoeval-result {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fff;
}

.photoeval-result:empty {
  display: none;
}

.photoeval-topline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.photoeval-pill {
  padding: 7px 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #f7f7f7;
}

.photoeval-diagnostic-button {
  padding: 7px 10px;
  border: 1px solid #bbb;
  border-radius: 6px;
  background: #fff;
  color: #222;
  cursor: pointer;
}

.photoeval-diagnostic-panel {
  margin: 0 0 14px;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fafafa;
  overflow-x: auto;
}

.photoeval-diagnostic-panel h4 {
  margin: 0 0 8px;
}

.photoeval-diagnostic-panel table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.photoeval-diagnostic-panel th,
.photoeval-diagnostic-panel td {
  padding: 6px 8px;
  border-bottom: 1px solid #e2e2e2;
  text-align: left;
  vertical-align: top;
}

.photoeval-diagnostic-panel p {
  margin: 10px 0 0;
}

.photoeval-diagnostic-panel pre {
  margin: 0;
  white-space: pre-wrap;
  font: 13px/1.45 Consolas, monospace;
}

.photoeval-section {
  margin: 14px 0;
}

.photoeval-section h3 {
  margin: 0 0 6px;
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.photoeval-section p {
  margin: 0;
}

.photoeval-score {
  width: 1.75em;
  height: 1.75em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-size: 1em;
  line-height: 1;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, .65);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, .18);
  flex: 0 0 auto;
}

.photoeval-result hr {
  border: 0;
  border-top: 1px solid #ddd;
  margin: 18px 0;
}

@media (max-width: 640px) {
  .photoeval-workarea {
    grid-template-columns: 1fr;
  }

  .photoeval-preview.has-histogram {
    grid-template-columns: 1fr;
    grid-column: span 1;
  }

  .photoeval-histogram {
    grid-column: 1;
    grid-row: auto;
    margin-left: 0;
  }
}