:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #a371f7;
  --set: #3fb950;
  --warn: #d29922;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoto UI, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.viewer-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.viewer-header h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-set {
  background: rgba(63, 185, 80, 0.15);
  color: var(--set);
  border: 1px solid rgba(63, 185, 80, 0.35);
}

.badge-generic {
  background: rgba(210, 153, 34, 0.12);
  color: var(--warn);
  border: 1px solid rgba(210, 153, 34, 0.35);
}

.badge-empty {
  background: rgba(248, 81, 73, 0.12);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.35);
}

.viewer-meta {
  font-size: 0.82rem;
  color: var(--muted);
}

.viewer-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 0.92rem;
}

.open-upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.file-choose-btn {
  flex-shrink: 0;
  cursor: pointer;
}

.file-chosen-name {
  flex: 1 1 120px;
  min-width: 0;
  font-size: 0.88rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-input-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.open-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.open-row input[type="text"] {
  flex: 1 1 180px;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: #21262d;
  color: var(--text);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.92rem;
  cursor: pointer;
  touch-action: manipulation;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: #238636;
  border-color: #2ea043;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.file-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.file-list li:last-child { border-bottom: none; }

.file-list li:hover,
.file-list li:focus-visible {
  background: rgba(163, 113, 247, 0.1);
  outline: none;
}

.file-list-thumb {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  background: #21262d;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-list-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.file-list-thumb-icon {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
  line-height: 1;
}

.file-list-thumb-icon--pdf {
  font-size: 0.62rem;
}

.file-list-thumb-icon--video {
  font-size: 1rem;
  color: var(--accent);
}

.file-list-thumb-icon--audio {
  font-size: 1.1rem;
  color: var(--accent);
}

.file-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.file-list-label {
  font-size: 0.92rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list-path {
  font-size: 0.74rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.file-list-mark {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--set);
}

.file-list-item--previewable:hover,
.file-list-item--previewable:focus-visible {
  background: rgba(88, 166, 255, 0.08);
  outline: none;
}

.role-tag {
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: #21262d;
  color: var(--muted);
  flex-shrink: 0;
}

.file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-stage {
  position: relative;
  width: 100%;
  min-height: 240px;
  background: #010409;
  border-radius: 8px;
  overflow: auto;
  touch-action: pan-x pan-y pinch-zoom;
}

.preview-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.preview-wrap img {
  display: block;
  width: 100%;
  height: auto;
}

.preview-wrap canvas.overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.82rem;
}

.preview-pdf-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.preview-pdf-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-pdf-page-num {
  font-size: 0.88rem;
  color: var(--muted, #8b949e);
  min-width: 4.5em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.preview-pdf-stage {
  position: relative;
  display: block;
  background: #fff;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  line-height: 0;
}

.preview-pdf-base,
.preview-pdf-overlay {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.preview-pdf-overlay {
  pointer-events: none;
  z-index: 2;
}

.preview-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.preview-opacity {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--muted);
  margin-left: auto;
}

.preview-opacity input[type="range"] {
  width: 96px;
  vertical-align: middle;
}

.preview-blackout {
  width: 100%;
  min-height: min(52vh, 420px);
  background: #000;
  border-radius: 8px;
  border: 1px solid #21262d;
}

.msg {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.msg-info {
  background: rgba(163, 113, 247, 0.1);
  border: 1px solid rgba(163, 113, 247, 0.25);
}

.msg-warn {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.25);
}

.preview-note-warn {
  color: var(--warn);
}

.hidden { display: none !important; }

@media (max-width: 600px) {
  .viewer-header h1 { font-size: 0.95rem; }
  .viewer-main { padding: 12px; }
  .file-list li { padding: 14px 8px; }
}

.rscope-pwa-install {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.rscope-pwa-install-text {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text);
}

.rscope-pwa-install-btn {
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.rscope-pwa-install-dismiss {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 6px;
}

html.rscope-pwa-standalone .rscope-pwa-install,
html.rscope-pwa-standalone .bundle-pwa-panel {
  display: none;
}

.slots-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.slots-toolbar h2 {
  margin: 0;
}

.slots-hint {
  margin: 10px 0 0;
}

.slot-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.slot-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.slot-item:last-child {
  border-bottom: none;
}

.slot-item:hover,
.slot-item:focus-visible {
  background: rgba(163, 113, 247, 0.1);
  outline: none;
}

.slot-item--hidden {
  opacity: 0.45;
}

.slot-item--active {
  background: rgba(88, 166, 255, 0.12);
  border-left: 3px solid var(--accent);
}

.slot-eye {
  flex-shrink: 0;
  min-width: 44px;
  padding: 8px 10px;
  font-size: 1rem;
  line-height: 1;
}

.slot-eye:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.slot-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.slot-type {
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: #21262d;
  color: var(--muted);
  text-transform: uppercase;
}

.slot-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slot-mark {
  font-size: 0.68rem;
  color: var(--set);
}

.preview-stack-wrap {
  position: relative;
  width: 100%;
  margin: 0 auto;
  background: #0d1117;
}

.preview-stack-layer {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.preview-stack-layer img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

.preview-stack-layer canvas.overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.preview-video-stage {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.preview-video-player {
  display: block;
  max-width: 100%;
  width: 100%;
  background: #000;
}

.preview-audio-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 100%;
}

.preview-audio-player {
  width: 100%;
}

.preview-audio-caption-zone {
  position: relative;
  min-height: 120px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border, #30363d);
  border-radius: 8px;
  overflow: visible;
}

.viewer-media-html-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
}

.viewer-media-html-label {
  position: absolute;
  transform: translate(-2px, -100%);
  max-width: 92%;
  padding: 2px 6px;
  line-height: 1.25;
  white-space: pre-wrap;
  word-break: break-word;
  text-shadow: 0 0 3px #000, 0 0 3px #000;
}

.viewer-media-html-label.viewer-media-html-stamp {
  transform: translate(-50%, -50%);
  padding: 4px 8px;
  border-radius: 3px;
  font-weight: 700;
  text-shadow: none;
}

.media-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}