/* Dropzone */
.dropzone-wrapper {
  position: relative;
}

.dropzone {
  position: relative;
  border: 2px dashed var(--ink-faded);
  background: var(--paper-dark);
  padding: var(--space-2xl) var(--space-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

.dropzone::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px dashed transparent;
  pointer-events: none;
  transition: border-color 0.2s;
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--ink);
  background: var(--paper);
}

.dropzone.dragover {
  border-color: var(--accent);
  border-style: solid;
  background: var(--paper);
}

.dropzone.dragover::before {
  border-color: var(--accent);
}

.dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.dropzone-icon {
  width: 48px;
  height: 48px;
  color: var(--ink-faded);
  transition: color 0.2s, transform 0.2s;
}

.dropzone:hover .dropzone-icon,
.dropzone.dragover .dropzone-icon {
  color: var(--ink);
  transform: translateY(-2px);
}

.dropzone-text {
  text-align: center;
}

.dropzone-primary {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.dropzone-secondary {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-faded);
  margin-top: var(--space-xs);
}

/* Options panel */
.options-panel {
  background: var(--paper-dark);
  padding: var(--space-lg);
  border: var(--border-light);
  align-self: start;
}

.option {
  margin-bottom: var(--space-md);
}

.option:last-child {
  margin-bottom: 0;
}

.option label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faded);
  margin-bottom: var(--space-xs);
}

.option select,
.option input {
  width: 100%;
  padding: var(--space-sm) var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--paper);
  border: var(--border);
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.15s;
}

.option select:hover,
.option input:hover {
  background: #fff;
}

.option select:focus,
.option input:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.input-with-unit {
  display: flex;
  align-items: stretch;
}

.input-with-unit input {
  border-right: none;
  flex: 1;
}

.input-with-unit .unit {
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
}

/* File list */
.file-list {
  margin-top: calc(-1 * var(--space-md));
}

.files-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--paper-dark);
  border-left: 3px solid var(--ink);
}

.file-item .name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-item .size {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faded);
}

.file-item .remove {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--ink-faded);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.15s;
}

.file-item .remove:hover {
  color: var(--accent);
}

/* Convert button */
.btn-convert {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background-color 0.15s, transform 0.1s;
}

.btn-convert svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s;
}

.btn-convert:hover:not(:disabled) {
  background: var(--accent);
}

.btn-convert:hover:not(:disabled) svg {
  transform: translateX(4px);
}

.btn-convert:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-convert:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Progress */
.progress-section {
  padding: var(--space-lg);
  background: var(--paper-dark);
  border: var(--border);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-sm);
}

#progressText {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-light);
}

#progressPercent {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.progress-track {
  height: 4px;
  background: var(--paper);
  border: 1px solid var(--ink-faded);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--ink);
  transition: width 0.3s ease-out;
}

.preview-container {
  margin-top: var(--space-lg);
  display: flex;
  justify-content: center;
}

.preview-container img {
  max-height: 300px;
  border: var(--border);
  box-shadow: 8px 8px 0 var(--ink);
}

/* Results */
.results-section {
  padding-top: var(--space-md);
}

.results-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--paper-dark);
  border: var(--border);
}

.result-item .name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
}

.result-item .info {
  font-size: 0.8rem;
  color: var(--ink-faded);
  margin-top: var(--space-xs);
}

.result-item.error {
  border-color: var(--accent);
  border-left-width: 4px;
}

.result-item.error .name {
  color: var(--accent);
}

.result-actions {
  display: flex;
  gap: var(--space-xs);
}

.btn-preview,
.btn-download {
  padding: var(--space-sm) var(--space-md);
  background: var(--paper);
  border: var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-preview:hover,
.btn-download:hover {
  background: var(--ink);
  color: var(--paper);
}

/* Manga Viewer */
.viewer-section {
  grid-column: 1 / -1;
  background: var(--ink);
  margin: 0 calc(-1 * var(--space-lg));
  padding: var(--space-lg);
  position: relative;
  z-index: 10000; /* Above grain overlay */
}

@media (min-width: 768px) {
  .viewer-section {
    margin: 0 calc(-1 * var(--space-2xl));
    padding: var(--space-xl) var(--space-2xl);
  }
}

.viewer-section .section-header h2 {
  color: var(--paper-dark);
}

.viewer-section .badge {
  background: var(--paper);
  color: var(--ink);
}

.viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.viewer-controls {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.viewer-separator {
  width: 1px;
  height: 24px;
  background: var(--ink-faded);
  margin: 0 var(--space-xs);
}

.viewer-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--ink-faded);
  color: var(--paper-dark);
  cursor: pointer;
  transition: all 0.15s;
}

.viewer-btn svg {
  width: 20px;
  height: 20px;
}

.viewer-btn:hover:not(:disabled) {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.viewer-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.viewer-btn-close {
  margin-left: var(--space-sm);
  border-color: var(--accent);
  color: var(--accent);
}

.viewer-btn-close:hover {
  background: var(--accent) !important;
  color: var(--paper) !important;
  border-color: var(--accent) !important;
}

.viewer-container {
  position: relative;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--ink-light);
}

.viewer-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.viewer-page {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  min-height: 400px;
}

.viewer-page img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  image-rendering: pixelated;
  transition: transform 0.3s ease;
}

/* Rotated (horizontal) view */
.viewer-section.rotated .viewer-page img {
  transform: rotate(-90deg);
  max-width: 70vh;
  max-height: 100%;
}

.viewer-thumbnails {
  margin-top: var(--space-md);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-light) transparent;
}

.viewer-thumbnails::-webkit-scrollbar {
  height: 6px;
}

.viewer-thumbnails::-webkit-scrollbar-track {
  background: transparent;
}

.viewer-thumbnails::-webkit-scrollbar-thumb {
  background: var(--ink-light);
}

.thumbnail-track {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
}

.thumbnail {
  flex: 0 0 auto;
  width: 60px;
  height: 100px;
  background: #000;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.6;
  transition: all 0.15s;
  overflow: hidden;
}

.thumbnail:hover {
  opacity: 1;
}

.thumbnail.active {
  border-color: var(--paper);
  opacity: 1;
}

.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}