/* Trace page specific styles */
.trace-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.upload-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.drop-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: border-color var(--transition-normal) ease, background-color var(--transition-normal) ease;
  cursor: pointer;
  position: relative;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-area:hover {
  border-color: var(--primary);
  background-color: rgba(139, 92, 246, 0.05);
}

.drop-area.drag-over {
  border-color: var(--primary);
  background-color: rgba(139, 92, 246, 0.1);
}

.drop-message {
  color: var(--text-secondary);
}

.upload-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.upload-icon i {
  width: 48px;
  height: 48px;
}

.upload-hint {
  font-size: 0.875rem;
  margin-top: 1rem;
  color: var(--text-muted);
}

.file-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  cursor: pointer;
}

.preview-container {
  display: none;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.preview-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.remove-image-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background-color: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast) ease;
}

.remove-image-btn:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.result-container {
  flex: 1;
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  min-height: 300px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.result-content {
  padding: 1.5rem;
  display: none;
}

.result-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.result-thumbnail {
  width: 100%;
  max-width: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.result-thumbnail img {
  width: 100%;
  display: block;
}

.result-info {
  flex: 1;
}

.result-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.result-japanese {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.result-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-meta-item {
  display: flex;
  flex-direction: column;
}

.result-meta-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.result-meta-value {
  font-weight: 500;
}

.result-meta-value.high {
  color: var(--success);
}

.result-meta-value.medium {
  color: var(--warning);
}

.result-meta-value.low {
  color: var(--error);
}

.result-scene {
  margin-top: 1.5rem;
}

.result-scene-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.result-video {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #000;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Trace History */
.trace-history {
  margin-top: 3rem;
}

.history-empty-text {
  text-align: center;
  color: var(--text-secondary);
  margin: 2rem 0;
}

.history-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.history-item {
  background-color: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-normal) ease, box-shadow var(--transition-normal) ease;
}

.history-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.history-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.history-info {
  padding: 1rem;
}

.history-title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .trace-container {
    flex-direction: row;
  }
  
  .result-header {
    flex-direction: row;
  }
  
  .result-thumbnail {
    width: 200px;
  }
}