/* Upload zone overrides for compress */
.upload-zone {
  margin-bottom: 2rem;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

.upload-zone.has-file {
  border-style: solid;
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

/* Options panel overrides */
.options-panel {
  margin-bottom: 2rem;
}

.option-group select {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

/* Quality slider */
.quality-slider {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.quality-slider input[type="range"] {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  background: var(--color-border);
  border-radius: 2px;
}

.quality-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
}

.quality-slider input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.quality-value {
  min-width: 3rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
}

/* Compress button */
.compress-btn-wrap {
  margin: 2rem 0;
  text-align: center;
}

/* Options panel disabled state */
.options-panel.disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Progress overrides */
.progress-wrap {
  margin: 2rem 0;
  display: none;
}

.progress-wrap.processing {
  display: block;
}

.progress-fill.indeterminate {
  width: 100% !important;
  animation: indeterminate 1.5s ease-in-out infinite;
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    rgba(139, 92, 246, 0.4) 50%,
    var(--color-primary) 100%
  );
  background-size: 200% 100%;
}

@keyframes indeterminate {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Comparison component */
.comparison {
  display: none;
  margin-top: 2rem;
}

.comparison.visible {
  display: block;
}

.comparison-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.comparison-summary {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.comparison-summary .savings {
  color: var(--color-primary);
}

.comparison-summary .savings.negative {
  color: #ff7b73;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.comparison-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.comparison-card-header {
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--color-border);
}

.comparison-card-header.original {
  border-left: 3px solid rgba(99, 170, 255, 0.7);
}

.comparison-card-header.optimized {
  border-left: 3px solid var(--color-primary);
}

.comparison-card-body {
  padding: 1rem;
}

.comparison-image-wrap {
  position: relative;
  aspect-ratio: 16/10;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}

.comparison-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s;
}

.comparison-image-wrap img.loading {
  opacity: 0.3;
}

.comparison-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.comparison-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.comparison-download {
  margin-top: 1rem;
}

.comparison-download .btn {
  width: 100%;
}

/* Error state */
.error-message {
  background: rgba(255, 59, 48, 0.07);
  color: #ff7b73;
  border: 1px solid rgba(255, 59, 48, 0.18);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
  font-size: 0.875rem;
  display: none;
}

.error-message.visible {
  display: block;
}

/* Multiple result: list + ZIP options */
.result-multiple {
  display: none;
  margin-top: 2rem;
}

.result-multiple.visible {
  display: block;
}

.result-multiple-title {
  font-size: 0.75rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.result-multiple-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.result-multiple-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.875rem;
  background: var(--color-card);
  border-radius: var(--radius);
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
}

.result-multiple-item.error {
  background: rgba(255, 59, 48, 0.07);
  color: #ff7b73;
  border-color: rgba(255, 59, 48, 0.18);
}

.result-multiple-name {
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 1rem;
}

.result-multiple-sizes {
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-size: 0.8125rem;
}

.zip-options {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-border);
}

.zip-option-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.zip-option-row:last-of-type {
  margin-bottom: 0.75rem;
}

.zip-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  min-width: 7rem;
}

.zip-toggle input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.zip-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  transition: border-color 0.2s;
}

.zip-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.zip-input:disabled {
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-dim);
  cursor: not-allowed;
}

.zip-input::placeholder {
  color: var(--color-text-dim);
}

.zip-preview {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

#downloadAllZipBtn {
  width: 100%;
}