.ac-compare-widget {
  margin: 1.5em 0 2em;
}

#main.ac-compare-main #content {
  margin-right: 25px;
}

.ac-compare-lead {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.5;
  color: #323a47;
}

.ac-compare-page-cta {
  background: #f0f8ff;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  margin: 30px 0;
}

.ac-compare-page-cta h2 {
  margin-top: 0;
}

.ac-compare-page-cta p {
  margin: 0 0 0.75rem;
}

.ac-compare-page-cta small {
  display: block;
  margin-top: 0.75rem;
  color: #6b7a8f;
}

.ac-compare-widget .ac-compare-card {
  background: #f5f8ff;
  border: 1px solid #b8c9e6;
  border-radius: 10px;
  padding: 1.25rem;
}

.ac-compare-upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 700px) {
  .ac-compare-upload-grid {
    grid-template-columns: 1fr;
  }
}

.ac-compare-upload-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  border: 2px dashed #9eb3d4;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.ac-compare-upload-box:hover,
.ac-compare-upload-box:focus-within {
  border-color: #ff6900;
  background: #fffaf5;
}

.ac-compare-upload-title {
  font-weight: 600;
  color: #323a47;
  font-size: 1rem;
  line-height: 1.3;
}

.ac-compare-upload-box input[type="file"] {
  font-size: 0.9rem;
  color: #525f72;
  max-width: 100%;
}

.ac-compare-upload-hint {
  font-size: 0.85rem;
  color: #6b7a8f;
  word-break: break-all;
  line-height: 1.35;
}

.ac-compare-submit {
  display: inline-block;
  margin-top: 1rem;
  font-size: 1rem;
  padding: 10px 28px;
}

.ac-compare-progress-wrap {
  margin-top: 1rem;
}

.ac-compare-progress-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: #525f72;
}

.ac-compare-progress-track {
  height: 8px;
  border-radius: 999px;
  background: #dde6f4;
  overflow: hidden;
  border: 1px solid #b8c9e6;
}

.ac-compare-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ff6900, #ffab23);
  transition: width 0.15s ease-out;
}

.ac-compare-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #b8c9e6;
  color: #525f72;
  font-size: 1rem;
  line-height: 1.4;
}

.ac-compare-status.error {
  color: #c0392b;
  border-color: #e8b4b0;
  background: #fff5f5;
}

.ac-compare-status.loading {
  color: #ff6900;
}

.ac-compare-widget .hidden {
  display: none;
}

.ac-compare-result {
  margin-top: 1.5rem;
  text-align: center;
}

.ac-compare-similarity-ring {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1rem;
}

.ac-compare-similarity-value {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: #2e8b57;
  font-variant-numeric: tabular-nums;
}

.ac-compare-similarity-unit {
  font-size: 1.75rem;
  font-weight: 600;
  color: #6b7a8f;
}

.ac-compare-similarity-caption {
  margin: 0.25rem 0 1.25rem;
  color: #6b7a8f;
  font-size: 1rem;
}

.ac-compare-share-box {
  max-width: 560px;
  margin: 0 auto 1.25rem;
  padding: 1rem;
  text-align: left;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #d8e3f5;
}

.ac-compare-spectral {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  background: #fff;
  border: 1px solid #d8e3f5;
  border-radius: 10px;
}

.ac-compare-spectral-title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: #323a47;
}

.ac-compare-spectral-note {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #6b7a8f;
}

.ac-compare-spectral-chart {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0 0.75rem;
  align-items: stretch;
}

@media (max-width: 560px) {
  .ac-compare-spectral-chart {
    grid-template-columns: 1fr;
    gap: 0.35rem 0;
  }

  .ac-compare-spectral-labels {
    display: none;
  }
}

.ac-compare-spectral-labels {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.ac-compare-spectral-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #525f72;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ac-compare-spectral-label-1,
.ac-compare-spectral-label-2 {
  height: 52px;
  display: flex;
  align-items: center;
}

.ac-compare-spectral-label-diff {
  height: 14px;
  display: flex;
  align-items: center;
  color: #8a4a2a;
}

.ac-compare-spectral-canvas-wrap {
  position: relative;
  min-width: 0;
}

.ac-compare-spectral-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  cursor: crosshair;
  background: #f8faff;
}

.ac-compare-spectral-tooltip {
  position: absolute;
  z-index: 2;
  max-width: 220px;
  padding: 0.45rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #fff;
  background: rgba(40, 48, 62, 0.94);
  border-radius: 6px;
  pointer-events: none;
  white-space: pre-line;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.ac-compare-spectral-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: #8a96a8;
}

.ac-compare-share-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: #525f72;
}

.ac-compare-share-row {
  display: flex;
  gap: 0.5rem;
}

.ac-compare-share-input {
  flex: 1;
  min-width: 0;
  padding: 0.45rem 0.6rem;
  border: 1px solid #b8c9e6;
  border-radius: 6px;
  background: #fff;
  color: #323a47;
  font-size: 0.85rem;
}

.ac-compare-btn-secondary {
  flex-shrink: 0;
  padding: 0.45rem 0.85rem;
  border: 1px solid #b8c9e6;
  border-radius: 6px;
  background: #eef3fb;
  color: #323a47;
  font-size: 0.9rem;
  cursor: pointer;
}

.ac-compare-btn-secondary:hover {
  border-color: #ff6900;
}

.ac-compare-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  text-align: left;
  margin-bottom: 1.25rem;
}

@media (max-width: 700px) {
  .ac-compare-details-grid {
    grid-template-columns: 1fr;
  }
}

.ac-compare-detail-card {
  background: #fff;
  border: 1px solid #b8c9e6;
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.ac-compare-detail-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: #ff6900;
}

.ac-compare-detail-card dl {
  margin: 0;
}

.ac-compare-detail-card dl > div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.5rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid #e8eef7;
}

.ac-compare-detail-card dl > div:last-child {
  border-bottom: none;
}

.ac-compare-detail-card dt {
  margin: 0;
  color: #6b7a8f;
  font-size: 0.85rem;
}

.ac-compare-detail-card dd {
  margin: 0;
  word-break: break-all;
  font-size: 0.95rem;
  color: #323a47;
}

.ac-compare-privacy {
  margin: 1.25rem 0 0;
  text-align: center;
  color: #6b7a8f;
  font-size: 0.85rem;
  line-height: 1.4;
}

#menu a.active {
  font-weight: bold;
  text-decoration: underline;
}