.tool-utility { --utility-accent: var(--cat-gif); --utility-accent-dim: var(--cat-gif-dim); max-width: 1200px; margin: 0 auto; padding: 0 1.5rem 3rem; }
.utility-hero { padding: 3rem 1rem 2rem; }
.utility-private { color: var(--text-muted); font-size: .8rem; margin-top: 1rem; }
.utility-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 300px; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-secondary); margin-bottom: 2.5rem; }
.utility-stage { min-width: 0; min-height: 360px; padding: 1.5rem; background: var(--bg-primary); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 1rem; }
.utility-drop-zone { width: 100%; max-width: 500px; padding: 3rem 1rem; display: flex; flex-direction: column; align-items: center; gap: .8rem; border: 2px dashed var(--border); border-radius: var(--radius-lg); background: var(--bg-secondary); color: var(--text-secondary); font: inherit; cursor: pointer; transition: border-color .2s, background .2s; }
.utility-drop-zone:hover, .utility-drop-zone.dragover { border-color: var(--utility-accent); background: var(--utility-accent-dim); }
.utility-drop-zone svg { color: var(--utility-accent); margin-bottom: .5rem; }
.utility-drop-zone strong { font-size: 1.25rem; color: var(--text-primary); }
.utility-drop-zone small { color: var(--text-muted); font-size: .75rem; }
.utility-upload-error { max-width: 500px; margin: 0; color: var(--danger-hover); font-size: .9rem; text-align: center; }
.utility-sidebar { padding: 1.25rem; border-left: 1px solid var(--border); min-width: 0; }
.utility-panel-heading, .utility-previews figcaption { text-transform: uppercase; font-size: .7rem; font-weight: 700; letter-spacing: .08em; color: var(--text-muted); }
.tool-utility fieldset { border: 0; padding: 0; min-width: 0; margin: 1rem 0; }
.tool-utility fieldset:disabled { opacity: .45; }
.tool-utility label { display: block; margin: 1rem 0 .5rem; font-size: .8rem; color: var(--text-secondary); line-height: 1.5; }
.tool-utility.image-utility { --utility-accent: var(--cat-image); --utility-accent-dim: var(--cat-image-dim); }
.tool-utility :is(input[type=number], input[type=text], input[type=color], select) { width: 100%; padding: .65rem .75rem; background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font: inherit; font-size: .85rem; }
.tool-utility input[type=checkbox] { accent-color: var(--utility-accent); margin-right: .35rem; }
.tool-utility :is(button, input, select, a):focus-visible { outline: 2px solid var(--utility-accent); outline-offset: 3px; }
.utility-primary { width: 100%; margin-top: 1rem; justify-content: center; }
.utility-primary.save-photos { margin-top: .5rem; }
.tool-utility .btn-accent { background: var(--utility-accent); color: var(--on-cat); }
.tool-utility [hidden] { display: none !important; }
.utility-previews { display: flex; flex-wrap: wrap; width: 100%; gap: 1rem; }
.utility-previews:has(figure:not([hidden])) { flex: 1; }
.utility-previews figure { flex: 1 1 220px; min-width: 0; margin: 0; display: flex; flex-direction: column; gap: .75rem; }
.utility-preview-image { flex: 1; min-height: 200px; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-secondary); }
.utility-previews img { display: block; max-width: 100%; max-height: 400px; object-fit: contain; background: repeating-conic-gradient(#ddd 0% 25%, #fff 0% 50%) 0 / 16px 16px; }
#utility-info, #utility-status, #utility-continue-wrap p { font-size: .75rem; color: var(--text-secondary); line-height: 1.6; margin: .75rem 0; overflow-wrap: anywhere; }
#utility-continue-wrap { border-top: 1px solid var(--border); margin-top: 1rem; padding-top: .25rem; }
.tool-utility progress { width: 100%; accent-color: var(--utility-accent); }
.utility-help { max-width: 780px; margin: 0 auto 3rem; }
.tool-utility h2 { font-size: 1.25rem; margin: 1.5rem 0 1rem; }
.utility-help p, .utility-help li { color: var(--text-secondary); font-size: .9rem; line-height: 1.8; margin: .75rem 0; }
.utility-help ol { padding-left: 1.25rem; }
.utility-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
/* ── Ordered input list and result thumbnails ─── ordered input list and extracted PNG frames ─────────── */
.utility-files { list-style: decimal inside; margin: .25rem 0 1rem; padding: 0; font-size: .75rem; color: var(--text-secondary); }
.utility-files li { padding: .25rem 0; overflow-wrap: anywhere; }
.utility-thumb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 1rem; margin: 0 auto 3rem; max-width: 1100px; }
.utility-thumb-grid figure { margin: 0; display: flex; flex-direction: column; gap: .4rem; }
.utility-thumb-grid a { display: block; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: var(--bg-secondary); }
.utility-thumb-grid a:hover, .utility-thumb-grid a:focus-visible { border-color: var(--utility-accent); }
.utility-thumb-grid img { display: block; width: 100%; height: 90px; object-fit: contain;
  background: repeating-conic-gradient(#ddd 0% 25%, #fff 0% 50%) 0 / 12px 12px; }
.utility-thumb-grid figcaption { font-size: .7rem; color: var(--text-secondary); text-align: center; }

/* ── Trim GIF timeline ─────────────────────────────── */
/* The track's side padding leaves room for the handles at either end of the GIF. */
#utility-trim-preview { display: block; max-width: 100%; max-height: 400px;
  background: repeating-conic-gradient(#ddd 0% 25%, #fff 0% 50%) 0 / 16px 16px; }
.utility-trim-track { position: relative; height: 48px; padding: 0 14px; border-radius: var(--radius-sm);
  background: var(--bg-tertiary); overflow: hidden; cursor: pointer; touch-action: none; user-select: none; -webkit-user-select: none; }
.utility-trim-track.dragging { cursor: grabbing; }
.utility-trim-frames { position: relative; height: 100%; }
.utility-trim-frames canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.utility-trim-window { position: absolute; top: 0; bottom: 0; box-sizing: border-box; cursor: grab;
  border-block: 3px solid var(--utility-accent); box-shadow: 0 0 0 100vmax rgba(15, 23, 42, .6); }
.utility-trim-track.dragging .utility-trim-window { cursor: grabbing; }
.utility-trim-handle { position: absolute; top: 0; bottom: 0; width: 14px; background: var(--utility-accent); cursor: ew-resize;
  display: flex; align-items: center; justify-content: center; }
.utility-trim-handle::before { content: ''; width: 3px; height: 18px; border-radius: 999px; background: rgba(255, 255, 255, .95); }
.utility-trim-handle-start { transform: translateX(-100%); border-radius: 6px 0 0 6px; }
.utility-trim-handle-end { border-radius: 0 6px 6px 0; }
.utility-trim-playhead { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .35); pointer-events: none; }
.utility-trim-meta { display: flex; align-items: center; gap: .75rem; margin-top: .6rem; font-size: .8rem; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.utility-trim-play { width: 36px; height: 36px; padding: 0; justify-content: center; flex-shrink: 0; }
.utility-trim .utility-hint { margin-top: .4rem; }
@media (pointer: coarse) {
  .utility-trim-track { height: 56px; padding: 0 18px; }
  .utility-trim-handle { width: 18px; }
  .utility-trim-play { width: 44px; height: 44px; }
}

@media (max-width: 768px) {
  .tool-utility { padding: 0 1rem 2rem; }
  .utility-hero { padding: 2rem .25rem 1.5rem; }
  .utility-workspace { grid-template-columns: minmax(0, 1fr); }
  .utility-sidebar { border-left: 0; border-top: 1px solid var(--border); }
  .utility-stage { padding: 1rem; min-height: 260px; }
  .utility-drop-zone { padding: 2rem 1rem; }
}
@media (max-width: 768px) {
  .utility-thumb-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: .75rem; }
}

/* ── Bulk image tools ──────────────────────────────── */
.tool-utility input[type=color] { min-height: 2.6rem; padding: .25rem; cursor: pointer; }
.utility-files li { display: flex; justify-content: space-between; gap: .75rem; }
.utility-file-size { color: var(--text-muted); white-space: nowrap; }
.utility-thumb-name { font-size: .7rem; color: var(--text-primary); text-align: center; overflow-wrap: anywhere; }
.image-utility .utility-thumb-grid img { height: 120px; }
.utility-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.utility-field-row label { margin-top: 0; }
.utility-hint { font-size: .72rem; color: var(--text-muted); line-height: 1.6; margin: .6rem 0 0; }

.utility-previews video { display: block; width: 100%; max-height: 400px; }

.tool-utility.video-utility { --utility-accent: var(--cat-video); --utility-accent-dim: var(--cat-video-dim); }

#utility-canvas { display: block; max-width: 100%; max-height: 400px; width: auto; height: auto; cursor: crosshair; }
.background-utility .utility-stage:has(#utility-original-wrap:not([hidden])) { justify-content: flex-start; }
.background-utility .utility-previews:has(figure:not([hidden])) { flex: 0 0 auto; }
#utility-points { font-size: .8rem; margin: .75rem 0; color: var(--text-secondary); }
.tool-utility input[type=file] { max-width: 100%; font-size: .8rem; }
.tool-utility summary { cursor: pointer; font-size: .8rem; margin-top: 1rem; }

/* Background editing: keep the selection and result aligned for comparison. */
.background-steps { display: flex; justify-content: center; flex-wrap: wrap; gap: .75rem 1.5rem; list-style: none; padding: 0; margin: 0 0 1.5rem; color: var(--text-secondary); font-size: .85rem; }
.background-steps b { display: inline-grid; place-items: center; width: 1.6rem; height: 1.6rem; margin-right: .35rem; border-radius: 50%; background: var(--utility-accent-dim); color: var(--utility-accent); }
.background-point-modes { display: flex; gap: .5rem; margin-top: 1rem; }
.background-point-modes .btn { flex: 1; padding: .65rem .4rem; font-size: .8rem; }
.background-point-modes [aria-pressed=true] { border-color: var(--utility-accent); background: var(--utility-accent-dim); color: var(--text-primary); }
.background-utility .utility-preview-image { flex: none; min-height: 0; }
.background-utility #utility-overlay-wrap { margin: 0; }
.background-utility #utility-add-object { margin-top: .5rem; width: 100%; justify-content: center; }
.background-utility #utility-status { padding: .75rem; border-radius: var(--radius-sm); background: var(--bg-primary); font-size: .85rem; }
.background-utility #utility-status:empty { display: none; }
.background-utility #utility-background-options { border-top: 1px solid var(--border); padding-top: 1rem; margin-top: 1.5rem; }
.background-utility #utility-background-options legend { font-weight: 600; font-size: .9rem; padding-right: .5rem; }
.background-utility .utility-stage[aria-busy=true] canvas { cursor: wait; }
.background-feedback { width: 100%; }
.background-utility .utility-previews .background-point-modes { margin-top: 0; }
.background-utility .utility-previews #utility-selection-help { margin-top: 0; }
.background-utility #utility-download { margin-top: .25rem; }
.background-utility #utility-selection-warning { padding: .75rem; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); }
.background-utility #utility-exclude[aria-pressed=true] { border-color: #ef4444; background: rgba(239, 68, 68, .12); }