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var(--border-control);border-radius:var(--overlay-item-radius);min-width:0;color:var(--text-secondary);background:var(--card);text-align:left;cursor:pointer;transition:border-color var(--duration-hover) var(--ease-out), color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-fast) var(--ease-out);grid-template-columns:38px minmax(0,1fr);align-items:center;gap:7px;padding:6px;font-size:10px;display:grid}.layout-preset-option[data-checked]{border-color:var(--border-active);color:var(--foreground);background:var(--lane-surface-selected);box-shadow:none}.layout-preset-option:active{transform:scale(.98)}.layout-preset-preview{border:1px solid var(--border-strong);border-radius:var(--radius-xs);background:var(--surface-lane-dark);width:38px;height:24px;position:relative;overflow:hidden}.layout-preset-preview i{border-radius:var(--radius-2xs);background:var(--lane-muted-foreground);display:block;position:absolute}.layout-preset-preview[data-layout=full] i:first-child{inset:3px}.layout-preset-preview[data-layout=full] i:last-child,.layout-preset-preview[data-layout=square-focus] i:last-child{display:none}.layout-preset-preview[data-layout=stacked] i:first-child{inset:3px 3px 14px}.layout-preset-preview[data-layout=stacked] i:last-child{background:var(--text-faint);inset:14px 3px 3px}.layout-preset-preview[data-layout=side-by-side] i:first-child{inset:3px 22px 3px 3px}.layout-preset-preview[data-layout=side-by-side] i:last-child{background:var(--text-faint);inset:3px 3px 3px 22px}.layout-preset-preview[data-layout=picture-in-picture] i:first-child{inset:3px}.layout-preset-preview[data-layout=picture-in-picture] i:last-child{border:1px solid var(--card);background:var(--lane-border);width:13px;height:9px;bottom:5px;right:5px}.layout-preset-preview[data-layout=square-focus] i:first-child{aspect-ratio:1;top:3px;bottom:3px;left:50%;transform:translate(-50%)}.layout-adjustments,.caption-style-controls{border-top:1px solid var(--line);gap:4px;margin-top:12px;padding-top:10px;display:grid}.caption-style-heading{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:3px;display:flex}.caption-style-heading strong{color:var(--control-foreground);font-size:10px;font-weight:650}.caption-style-heading span,.caption-control-label,.caption-color-control>span,.caption-alignment-control>span,.caption-box-controls>div>span{color:var(--text-faint);font-size:9px}.caption-type-row,.caption-box-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid}.caption-type-row>label,.caption-size-control>label,.caption-color-control,.caption-alignment-control,.caption-box-controls>div{min-width:0;color:var(--text-faint);gap:5px;font-size:9px;display:grid}.caption-type-row .editor-select-trigger{width:100%;height:var(--control-height-md);font-size:9px}.caption-type-row .editor-select-preview{width:20px;height:19px;font-size:10px}.caption-font-popup{min-width:205px}.caption-size-control{grid-template-columns:62px minmax(0,1fr);align-items:end;gap:8px;display:grid}.caption-generation-settings,.caption-lines-control{gap:5px;min-width:0;display:grid}.caption-generation-settings{margin:9px 0 10px}.caption-generation-settings>span,.caption-lines-control>span{color:var(--text-faint);font-size:9px}.caption-size-control input[type=number]{width:100%;height:var(--control-height-md);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--control-foreground);background:var(--card);font:inherit;font-variant-numeric:tabular-nums;outline:none;padding:0 8px;font-size:9px}.caption-size-control input[type=number]:focus-visible{border-color:var(--primary);outline:2px solid var(--ring);outline-offset:1px}.caption-size-control>.editor-slider{margin-bottom:8px}.caption-color-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.caption-color-presets{align-items:center;gap:7px;display:flex}.caption-color-presets button{border:1px solid color-mix(in srgb, var(--foreground) 13%, transparent);background:var(--preset-color);width:19px;min-width:19px;height:19px;box-shadow:var(--shadow-swatch-inset);cursor:pointer;transition:transform var(--duration-press) var(--ease-out);border-radius:50%;padding:0}.caption-color-presets button[aria-pressed=true]{box-shadow:0 0 0 2px var(--card), 0 0 0 3px var(--text-muted)}.caption-color-row>input[type=color]{width:29px;height:var(--control-height-md);border:1px solid var(--line);border-radius:var(--radius-md);background:var(--card);padding:3px}.caption-segmented{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-quiet);align-items:center;gap:1px;min-width:0;padding:2px;display:flex}.caption-segmented button{min-width:0;height:var(--control-height-sm);border-radius:var(--radius-sm);color:var(--text-muted);white-space:nowrap;cursor:pointer;transition:color var(--duration-hover) ease, background-color var(--duration-hover) ease, transform var(--duration-press) var(--ease-out);background:0 0;border:0;flex:1;justify-content:center;align-items:center;padding:0 7px;font-size:9px;display:inline-flex}.caption-segmented button[aria-checked=true]{color:var(--text-active);background:var(--surface-active);box-shadow:var(--shadow-selected-inset)}.caption-segmented button:active,.caption-color-presets button:active{transform:scale(.97)}.caption-inspector-tabs{border-radius:var(--radius-md);background:var(--surface-control);grid-template-columns:repeat(2,minmax(0,1fr));gap:2px;margin-bottom:10px;padding:2px;display:grid}.caption-inspector-tabs button{height:var(--control-height-sm);border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), box-shadow var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);background:0 0;border:0;padding:0 10px;font-size:10px;font-weight:560}.caption-inspector-tabs button[aria-selected=true]{color:var(--text-active);background:var(--card);box-shadow:var(--shadow-sm)}.caption-inspector-tabs button:active{transform:scale(.97)}.layout-adjustments>label,.caption-style-controls>label{color:var(--text-tertiary);justify-content:space-between;align-items:center;font-size:10px;display:flex}.layout-adjustments strong,.caption-style-controls strong{color:var(--control-foreground);font-family:var(--font-geist-mono), ui-monospace, monospace;font-size:9px;font-weight:500}.secondary-media-controls{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-subtle);gap:8px;margin-top:11px;padding:10px;display:grid}.secondary-media-controls>div:first-child{min-width:0;color:var(--text-tertiary);gap:2px;font-size:9px;display:grid}.secondary-media-controls>div:first-child strong{color:var(--control-foreground);text-overflow:ellipsis;white-space:nowrap;font-size:10px;font-weight:550;overflow:hidden}.secondary-media-controls>div:nth-child(2),.secondary-fit-options,.caption-position-options{gap:5px;display:flex}.secondary-media-controls button,.secondary-fit-options button,.caption-position-options button{height:var(--control-height-sm);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text-tertiary);background:var(--card);text-transform:capitalize;cursor:pointer;padding:0 9px;font-size:9px}.secondary-fit-options button[data-checked],.caption-position-options button[data-checked]{color:var(--text-active);border-color:var(--border-active);background:var(--surface-active)}.add-caption-button{border:1px dashed var(--border-strong);border-radius:var(--radius-md);width:100%;height:32px;color:var(--control-foreground);background:var(--surface-subtle);cursor:pointer;justify-content:center;align-items:center;gap:6px;margin-bottom:9px;font-size:10px;display:flex}.caption-create-actions{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:6px;margin-bottom:9px;display:grid}.caption-create-actions .add-caption-button,.auto-caption-button{height:34px;margin:0}.auto-caption-button{border:1px solid var(--border-strong);border-radius:var(--radius-md);color:var(--control-foreground);background:var(--card);box-shadow:var(--shadow-xs);cursor:pointer;transition:background-color var(--duration-hover) ease, transform var(--duration-press) var(--ease-out);justify-content:center;align-items:center;gap:6px;padding:0 10px;font-size:10px;font-weight:620;display:inline-flex}.auto-caption-button svg{color:var(--primary)}.auto-caption-button:disabled{opacity:.58;cursor:wait}.auto-caption-button:active:not(:disabled){transform:scale(.98)}.caption-cue-list{gap:6px;display:grid}.caption-empty{color:var(--text-faint);text-align:center;margin:8px 0 12px;font-size:10px}.caption-overlap-warning{border:1px solid var(--warning-border);border-radius:var(--radius-md);color:var(--warning-foreground);background:var(--warning-surface);margin:0 0 8px;padding:8px 9px;font-size:9px;line-height:1.4}.caption-cue{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--card);min-height:38px;transition:border-color var(--duration-press) var(--ease-out), box-shadow var(--duration-press) var(--ease-out), background-color var(--duration-press) var(--ease-out);grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:5px;padding:4px 5px;display:grid}.caption-cue.active{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 3%, var(--surface-subtle));box-shadow:0 0 0 1px color-mix(in srgb, var(--primary) 14%, transparent)}.caption-cue-heading{display:contents}.caption-cue-heading>span{color:var(--text-tertiary);font-family:var(--font-geist-mono), ui-monospace, monospace;font-variant-numeric:tabular-nums;grid-area:1/1;justify-content:center;align-items:center;font-size:8px;display:inline-flex}.caption-cue-actions{opacity:0;transition:opacity var(--duration-press) var(--ease-out), transform var(--duration-hover) var(--ease-out);grid-area:1/3;align-items:center;gap:1px;display:flex;transform:translate(2px)}.caption-cue.active .caption-cue-actions,.caption-cue:focus-within .caption-cue-actions{opacity:1;transform:translate(0)}.caption-cue-heading button{border-radius:var(--radius-sm);width:22px;height:22px;color:var(--text-faint);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.caption-cue-heading button:disabled{color:var(--text-disabled);cursor:not-allowed}.caption-cue>input,.caption-time-fields input{border:1px solid var(--line);border-radius:var(--radius-sm);min-width:0;height:29px;color:var(--control-foreground);background:var(--card);font:inherit;outline:none;padding:0 8px;font-size:10px}.caption-cue>input{grid-area:1/2}.caption-cue>input:focus-visible,.caption-time-fields input:focus-visible{border-color:var(--primary);outline:2px solid var(--ring);outline-offset:1px;box-shadow:var(--shadow-focus)}.caption-time-fields{grid-column:1/-1;grid-template-columns:1fr 1fr;gap:6px;display:grid}.caption-cue:not(.active):not(:focus-within) .caption-time-fields{display:none}.caption-time-fields label{min-width:0;color:var(--text-faint);grid-template-columns:auto 1fr;align-items:center;gap:5px;font-size:8px;display:grid}.caption-time-fields input{width:100%;font-family:var(--font-geist-mono), ui-monospace, monospace;font-variant-numeric:tabular-nums}.caption-position-options{margin-top:5px}.caption-position-options button{flex:1}.editor-popover-title{margin:0 0 var(--space-3);color:var(--foreground);letter-spacing:-.01em;font-size:12px;font-weight:640}.field-row{grid-template-columns:1fr 126px;align-items:center;gap:16px;display:grid}.transition-grid{grid-template-columns:repeat(3,1fr);gap:6px;display:grid}.transition-option,.export-type{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--card);cursor:pointer;min-height:60px;transition:color var(--duration-hover) var(--ease-out), border-color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);display:block}.transition-option:active,.export-type:active{transform:scale(.98)}.transition-option:focus-visible,.export-type:focus-visible,.speed-option:focus-visible,.swatch:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.transition-option[data-checked],.export-type[data-checked]{border-color:var(--border-active);box-shadow:var(--shadow-selected-inset)}.export-type:disabled{opacity:.42;cursor:not-allowed}.transition-option[data-checked]{color:var(--text-active);background:var(--surface-active)}.transition-option b{margin-bottom:4px;font-size:17px;font-weight:400;display:block}.transition-option span{color:inherit;font-size:11px}.duration-control{gap:9px;margin-top:14px;display:grid}.duration-control-label{color:var(--muted-foreground);justify-content:space-between;align-items:center;gap:12px;font-size:11px;display:flex}.duration-control-label small{color:var(--text-tertiary);font-size:10px}.editor-duration-field{align-items:center;gap:var(--space-2-5);grid-template-columns:minmax(0,1fr) 58px;min-width:0;display:grid}.editor-duration-field[data-disabled]{opacity:.42}.editor-duration-value{height:var(--control-height-sm);padding:0 var(--space-2);border:1px solid var(--line-strong);border-radius:var(--radius-md);color:var(--muted-foreground);background:var(--surface-subtle);transition:border-color var(--duration-control) var(--ease-out), background-color var(--duration-control) var(--ease-out), box-shadow var(--duration-control) var(--ease-out);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:3px;display:grid}.editor-duration-value:focus-within{border-color:color-mix(in srgb, var(--foreground) 35%, transparent);background:var(--card);box-shadow:var(--shadow-focus-ring)}.editor-duration-value input{width:100%;min-width:0;color:var(--foreground);font-family:var(--font-geist-mono), ui-monospace, monospace;font-variant-numeric:tabular-nums;text-align:right;background:0 0;border:0;outline:0;padding:0;font-size:10px}.editor-duration-value span:last-child{font-size:10px}.export-types{grid-template-columns:1fr 1fr;gap:8px;display:grid}.transition-option,.export-type,.speed-option{width:100%}.export-type{text-align:left;padding:12px}.export-type strong{margin-bottom:4px;font-size:14px;display:block}.export-type small{color:var(--text-tertiary);font-size:11px;line-height:1.35}.export-fields{gap:8px;margin-top:14px;display:grid}.export-summary{border-top:1px solid var(--line);min-height:30px;color:var(--text-tertiary);align-items:center;gap:7px;margin-top:10px;padding:9px 2px 0;display:flex}.export-summary>div{flex:1;justify-content:space-between;align-items:baseline;gap:8px;min-width:0;display:flex}.export-summary strong{color:var(--control-foreground);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:10px;font-weight:620}.export-summary span{font-variant-numeric:tabular-nums;text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.export-summary[data-risk=unsupported],.export-summary[data-risk=unsupported] strong{color:var(--warning-foreground)}.export-engine-options{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-subtle);grid-template-columns:1fr 1fr;gap:3px;margin-top:12px;padding:3px;display:grid}.export-engine-options button{border-radius:var(--radius-sm);min-width:0;color:var(--muted-foreground);text-align:left;cursor:pointer;background:0 0;border:0;gap:2px;padding:7px 8px;display:grid}.export-engine-options button[data-checked]{color:var(--foreground);background:var(--card);box-shadow:var(--shadow-sm)}.export-engine-options button:disabled{color:var(--text-disabled);cursor:not-allowed}.export-engine-options strong{text-overflow:ellipsis;white-space:nowrap;font-size:10px;font-weight:600;overflow:hidden}.export-engine-options small{color:var(--text-tertiary);text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.export-field{color:var(--control-foreground);grid-template-columns:78px 1fr;align-items:center;gap:8px;font-size:12px;display:grid}.export-render-note{color:var(--text-tertiary);margin:10px 2px 0;font-size:10px;line-height:1.45}.export-clear-option{border:1px solid var(--line);border-radius:var(--radius-lg);color:var(--control-foreground);background:var(--surface-subtle);cursor:pointer;align-items:center;gap:9px;margin-top:12px;padding:9px 10px;font-size:10px;display:flex}.export-clear-option input{width:14px;height:14px;accent-color:var(--foreground-pressed);flex:none;margin:0}.export-clear-option span{gap:1px;display:grid}.export-clear-option small{color:var(--text-tertiary);font-size:9px}.export-action{width:100%;margin-top:14px}.export-action:disabled{border-color:var(--border-control);color:var(--text-disabled);background:var(--surface-control);box-shadow:none;cursor:not-allowed}.export-progress-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-subtle);gap:8px;margin-top:12px;padding:10px;display:grid}.export-progress-card>div{color:var(--text-tertiary);justify-content:space-between;align-items:center;font-size:10px;display:flex}.export-progress-card strong{color:var(--control-foreground);font-family:var(--font-geist-mono), ui-monospace, monospace;font-size:9px;font-weight:500}.export-progress-track{border-radius:var(--radius-round);background:var(--border-medium);height:4px;overflow:hidden}.export-progress-track i{border-radius:inherit;background:var(--primary);height:100%;transition:width var(--duration-fast) linear;display:block}.export-progress-card button{border:1px solid var(--line);border-radius:var(--radius-sm);height:26px;color:var(--text-tertiary);background:var(--card);cursor:pointer;justify-self:end;padding:0 9px;font-size:9px}.swatches{grid-template-columns:repeat(6,1fr);gap:8px;display:grid}.swatch{border:1px solid color-mix(in srgb, var(--canvas-black) 12%, transparent);border-radius:var(--radius-md);cursor:pointer;width:27px;height:27px;transition:transform var(--duration-press) var(--ease-out);padding:0;display:block}.swatch:active{transform:scale(.92)}.swatch[data-checked]{outline:2px solid var(--foreground-pressed);outline-offset:2px}.timeline{z-index:6;left:50%;bottom:max(20px, env(safe-area-inset-bottom));border:1px solid var(--border);border-radius:var(--radius-2xl);background:var(--surface-floating);width:max-content;min-width:min(820px,100vw - 24px);max-width:calc(100vw - 24px);box-shadow:var(--panel-shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:left var(--duration-drawer) var(--ease-drawer), min-width var(--duration-drawer) var(--ease-drawer), max-width var(--duration-drawer) var(--ease-drawer);flex-direction:column;gap:8px;padding:10px;display:flex;position:fixed;overflow:visible;transform:translate(-50%)}.timeline-resize-handle{z-index:12;border-radius:var(--radius-round);cursor:ns-resize;touch-action:none;background:0 0;border:0;place-items:center;width:56px;height:14px;padding:0;display:grid;position:absolute;top:-7px;left:50%;transform:translate(-50%)}.timeline-resize-handle span{border-radius:var(--radius-round);background:var(--border-strong);width:30px;height:3px;transition:width var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out)}.timeline-resize-handle:focus-visible{outline:2px solid var(--ring);outline-offset:1px}.timeline-resize-handle:active span{background:var(--text-tertiary);width:36px}.app-shell.chat-open .timeline,.app-shell.captions-open .timeline{left:calc((100vw - var(--agent-rail-width)) / 2);min-width:min(820px, calc(100vw - var(--agent-rail-width) - 24px));max-width:calc(100vw - var(--agent-rail-width) - 24px)}.timeline-playback-progress{z-index:8;border-radius:var(--radius-round);opacity:0;pointer-events:none;height:2px;transition:opacity var(--duration-press) var(--ease-out);position:absolute;top:0;left:24px;right:24px;overflow:hidden}.timeline-playback-progress.visible{opacity:1}.timeline-playback-progress span{border-radius:inherit;background:var(--primary);height:100%;display:block}.timeline-toolbar{align-items:center;gap:8px;min-width:0;display:flex}.timeline-play-circle{width:38px;height:38px;color:var(--primary-foreground);background:var(--primary);box-shadow:var(--shadow-primary);border:0;border-radius:50%;flex:0 0 38px;place-items:center;padding:0;display:grid}.timeline-pill{border-radius:var(--radius-round);height:38px;color:var(--control-foreground);background:var(--surface-control);box-shadow:none;border-color:#0000;align-items:center;gap:14px;padding:0 16px;display:flex}.timeline-pill strong{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:560}.transition-filter.focus,.clip-filter.focus{border-color:var(--border-hover)}.duration-pill{gap:4px}.duration-pill input{width:35px;color:var(--ink);text-align:right;font-variant-numeric:tabular-nums;background:0 0;border:0;outline:0;padding:0}.duration-pill:focus-within{border-color:color-mix(in srgb, var(--primary) 45%, transparent);box-shadow:var(--shadow-focus)}.duration-pill input::-webkit-inner-spin-button{appearance:none;margin:0}.duration-pill input::-webkit-outer-spin-button{appearance:none;margin:0}.duration-pill small{color:var(--text-tertiary);font-size:11px}.timeline-spacer{flex:1}.background-swatch-button{background:var(--surface-control);cursor:pointer;border:0;border-radius:50%;flex:0 0 38px;place-items:center;width:38px;height:38px;padding:0;display:grid}.background-swatch-button span{border:1px solid color-mix(in srgb, var(--canvas-black) 14%, transparent);border-radius:50%;width:18px;height:18px}.clip-count{color:var(--text-faint);font-variant-numeric:tabular-nums;white-space:nowrap;padding-right:6px;font-size:11px}.timeline-row{min-height:60px;position:relative}.clip-track{scrollbar-width:none;gap:4px;min-width:0;min-height:60px;padding:4px 66px 4px 2px;display:flex;overflow-x:auto}.clip-track::-webkit-scrollbar{display:none}.clip-thumbnail{border-radius:var(--radius-lg);background:var(--surface-lane);cursor:grab;border:2px solid #0000;flex:0 0 50px;width:50px;height:50px;padding:0;position:relative;overflow:hidden}.clip-thumbnail.active{border-color:var(--border-active);box-shadow:0 0 0 1px var(--border-active)}.clip-select-button{cursor:pointer;background:0 0;border:0;width:100%;height:100%;padding:0;position:absolute;inset:0;overflow:hidden}.clip-select-button img,.clip-select-button video{object-fit:cover;pointer-events:none;width:100%;height:100%;display:block}.duration-badge{border-radius:var(--radius-xs);color:var(--primary-foreground);background:color-mix(in srgb, var(--canvas-black) 76%, transparent);font-variant-numeric:tabular-nums;padding:1px 3px;font-size:8px;line-height:1.25;position:absolute;bottom:2px;left:2px}.remove-thumbnail{z-index:2;width:16px;height:16px;color:var(--primary-foreground);background:color-mix(in srgb, var(--canvas-black) 76%, transparent);opacity:0;cursor:pointer;transition:opacity var(--duration-press) var(--ease-out);border:0;border-radius:50%;place-items:center;padding:0;display:grid;position:absolute;top:2px;right:2px}.remove-thumbnail:focus-visible{opacity:1}.add-clip-wrap{z-index:2;background:linear-gradient(90deg, transparent, var(--card) 12px);padding-left:12px;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.add-clip-button{border:1px dashed var(--border-strong);border-radius:var(--radius-lg);width:50px;height:50px;color:var(--text-tertiary);background:var(--card);cursor:pointer;place-items:center;padding:0;display:grid}.audio-empty-row{margin-top:4px}.audio-track{border:1px dashed var(--border-medium);border-radius:var(--radius-md);width:100%;height:40px;color:var(--text-faint);background:var(--surface-quiet);cursor:pointer;justify-content:center;align-items:center;gap:7px;padding:0 11px;display:flex}.audio-loaded-row{align-items:center;gap:8px;min-width:0;margin-top:4px;padding:8px 2px 2px;display:flex}.audio-waveform{border-radius:var(--radius-md);background:var(--surface-control);cursor:grab;-webkit-user-select:none;user-select:none;touch-action:pan-y;flex:1;height:36px;position:relative;overflow:hidden}.audio-waveform.grabbing{cursor:grabbing}.audio-waveform:before,.audio-waveform:after{content:"";z-index:3;pointer-events:none;width:16px;position:absolute;top:0;bottom:0}.audio-waveform:before{background:linear-gradient(90deg, var(--surface-control), transparent);left:0}.audio-waveform:after{background:linear-gradient(-90deg, var(--surface-control), transparent);right:0}.audio-waveform-canvas{pointer-events:none;display:block;position:absolute;inset:0}.audio-playhead{z-index:2;background:var(--primary);opacity:0;pointer-events:none;width:1px;transition:opacity var(--duration-press) linear;position:absolute;top:0;bottom:0}.audio-playhead.visible{opacity:1}.audio-volume-wrap{flex:none;position:relative}.audio-icon-button{width:32px;height:32px;color:var(--text-tertiary);cursor:pointer;transition:color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:inline-grid}.audio-icon-button.active{color:var(--text-active);background:var(--surface-active)}.audio-icon-button:active{transform:scale(.97)}.audio-volume-popover{width:224px}.audio-volume-popover .editor-duration-field{grid-template-columns:minmax(0,1fr) 56px}.audio-trim-popover{width:230px}.audio-trim-popover .audio-fade-fields{margin-top:0}.audio-fade-fields{border-top:1px solid var(--line);color:var(--text-tertiary);gap:3px;margin-top:9px;padding-top:8px;font-size:9px;display:grid}.audio-fade-fields .editor-duration-field{grid-template-columns:minmax(0,1fr) 54px}.audio-clip-fade{z-index:1;pointer-events:none;position:absolute;top:0;bottom:0}.audio-clip-fade.fade-in{background:linear-gradient(135deg, color-mix(in srgb, var(--card) 82%, transparent), transparent 52%);clip-path:polygon(0 0,0 100%,100% 0);left:0}.audio-clip-fade.fade-out{background:linear-gradient(225deg, color-mix(in srgb, var(--card) 82%, transparent), transparent 52%);clip-path:polygon(0 0,100% 100%,100% 0);right:0}.audio-volume-heading{color:var(--text-tertiary);justify-content:space-between;margin-bottom:7px;font-size:11px;display:flex}.editor-slider{width:100%;height:var(--control-height-xs);touch-action:none;-webkit-user-select:none;user-select:none}.editor-slider-control{width:100%;height:var(--control-height-xs);cursor:pointer;align-items:center;display:flex;position:relative}.editor-slider-track{border-radius:var(--radius-round);background:var(--border-control);width:100%;height:3px;position:relative;overflow:hidden}.editor-slider-indicator{border-radius:inherit;background:var(--primary);height:100%;position:absolute}.editor-slider-thumb{border:2px solid var(--card);background:var(--primary);width:12px;height:12px;box-shadow:0 0 0 1px color-mix(in srgb, var(--canvas-black) 14%, transparent), 0 1px 3px color-mix(in srgb, var(--canvas-black) 18%, transparent);cursor:grab;transition:box-shadow var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);border-radius:50%;display:block}.editor-slider[data-dragging] .editor-slider-thumb{cursor:grabbing;transform:scale(1.12)}.editor-slider-thumb:focus-visible{outline:2px solid var(--ring);outline-offset:3px}.stage-area{bottom:calc(100px + min(320px, calc(122px + var(--audio-lanes-height,0px) + var(--caption-lanes-height,0px) + var(--layer-lanes-height,0px))))}.timeline{width:min(1080px,100vw - 32px);min-width:0;max-width:calc(100vw - 32px);padding:var(--space-2-5);gap:var(--space-2);border-radius:var(--radius-xl);background:var(--surface-floating);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.app-shell.chat-open .timeline,.app-shell.captions-open .timeline{width:min(1080px, calc(100vw - var(--agent-rail-width) - 32px));min-width:0;max-width:calc(100vw - var(--agent-rail-width) - 32px)}.timeline-toolbar{height:var(--control-height-md);align-items:center;gap:var(--space-2-5);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);display:grid}.timeline-toolbar-left,.timeline-toolbar-right,.timeline-transport{align-items:center;gap:var(--space-1);min-width:0;display:flex}.timeline-toolbar-right{justify-content:flex-end}.timeline-transport{justify-content:center;gap:var(--space-2)}.timeline-transport .timeline-play-circle{flex:0 0 var(--control-height-sm);width:var(--control-height-sm);height:var(--control-height-sm)}.timeline-icon-tool{flex:0 0 var(--control-height-sm);width:var(--control-height-sm);height:var(--control-height-sm);border-radius:var(--radius-md);color:var(--control-foreground);cursor:pointer;transition:color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), border-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);background:0 0;border:1px solid #0000;place-items:center;padding:0;display:grid}.timeline-icon-tool.focus{color:var(--text-active);background:var(--primary-soft);border-color:#0000}.timeline-icon-tool:disabled{color:var(--text-disabled);cursor:default;opacity:.48}.timeline-icon-tool[aria-disabled=true]{color:var(--text-disabled);cursor:not-allowed;opacity:.48}.editor-tooltip{border:1px solid color-mix(in srgb, var(--card) 8%, transparent);border-radius:var(--radius-md);max-width:260px;color:var(--primary-foreground);background:color-mix(in srgb, var(--foreground) 96%, transparent);box-shadow:var(--shadow-tooltip);pointer-events:none;transform-origin:var(--transform-origin);transition:opacity var(--duration-press) var(--ease-out), transform var(--duration-hover) var(--ease-out);align-items:center;gap:8px;padding:6px 8px;font-size:11px;line-height:1.2;display:flex}.editor-tooltip[data-starting-style],.editor-tooltip[data-ending-style]{opacity:0;transform:translateY(2px)scale(.98)}.editor-tooltip[data-instant]{transition-duration:0s}.editor-tooltip kbd,.shortcut-popover kbd{border:1px solid color-mix(in srgb, var(--card) 16%, transparent);border-radius:var(--radius-sm);min-width:22px;min-height:20px;color:color-mix(in srgb, var(--card) 72%, transparent);background:color-mix(in srgb, var(--card) 8%, transparent);font-family:var(--font-geist-mono), ui-monospace, monospace;white-space:nowrap;place-items:center;padding:0 5px;font-size:10px;font-weight:520;line-height:1;display:inline-grid}.shortcut-popover{width:292px}.shortcut-popover-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:16px;padding-bottom:10px;display:flex}.shortcut-popover-heading p{color:var(--text-tertiary);margin:3px 0 0;font-size:11px}.shortcut-popover-heading kbd,.shortcut-row kbd{color:var(--control-foreground);background:var(--surface-subtle);border-color:var(--line)}.shortcut-list{padding-top:7px;display:grid}.shortcut-row{min-height:30px;color:var(--control-foreground);justify-content:space-between;align-items:center;gap:16px;font-size:12px;display:flex}.media-library-popover{width:min(520px,100vw - 24px);padding:0;overflow:hidden}.media-library{grid-template-rows:auto auto auto auto minmax(0,1fr);display:grid}.media-library-heading{justify-content:space-between;align-items:flex-start;gap:16px;padding:14px 14px 10px;display:flex}.media-library-heading p{color:var(--text-tertiary);margin:3px 0 0;font-size:11px}.media-library-upload,.media-library-preview-actions button{min-height:var(--control-height-md);border:1px solid var(--line);border-radius:var(--radius-md);color:var(--foreground);background:var(--card);cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-size:10px;font-weight:560;display:inline-flex}.media-library-preview-actions{gap:5px;display:grid}.media-library-preview-actions button:not(:first-child){color:var(--control-foreground);background:var(--surface-subtle);font-size:10px}.media-library-range{border-top:1px solid var(--line);grid-column:1/-1;grid-template-columns:1fr 1fr;gap:10px;padding-top:8px;display:grid}.media-library-range>div{gap:4px;min-width:0;display:grid}.media-library-range>div>span{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.04em;font-size:9px}.media-library-range .editor-duration-field{grid-template-columns:minmax(0,1fr) 62px}.media-library-controls{grid-template-columns:minmax(0,1fr) 92px auto;gap:8px;padding:0 14px 8px;display:grid}.media-library-sort{background:var(--surface-subtle);width:92px;min-width:0;height:32px}.media-library-search{border:1px solid var(--line);border-radius:var(--radius-md);height:32px;color:var(--text-tertiary);background:var(--surface-subtle);transition:border-color var(--duration-control) var(--ease-out), background-color var(--duration-control) var(--ease-out), box-shadow var(--duration-control) var(--ease-out);align-items:center;gap:7px;padding:0 9px;display:flex}.media-library-search:focus-within{border-color:color-mix(in srgb, var(--primary) 45%, transparent);background:var(--card);box-shadow:var(--shadow-focus)}.media-library-search input{width:100%;min-width:0;color:var(--foreground);font:inherit;background:0 0;border:0;outline:0;font-size:12px}.media-library-density{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-subtle);padding:2px;display:flex}.media-library-density button{border-radius:var(--radius-sm);width:27px;height:26px;color:var(--text-tertiary);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.media-library-density button[aria-pressed=true]{color:var(--foreground);background:var(--card);box-shadow:var(--shadow-sm)}.media-library-filters{border-bottom:1px solid var(--line);gap:4px;padding:0 14px 10px;display:flex}.media-library-filters button{border-radius:var(--radius-md);min-height:26px;color:var(--text-tertiary);cursor:pointer;background:0 0;border:0;padding:0 9px;font-size:11px}.media-library-filters button[data-checked]{color:var(--foreground);background:var(--surface-pressed)}.media-library-preview{border-bottom:1px solid var(--line);background:var(--surface-subtle);grid-template-columns:84px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:74px;padding:10px 14px;display:grid}.media-library-preview-media{border-radius:var(--radius-md);height:54px;color:var(--text-tertiary);background:var(--surface-lane);place-items:center;display:grid;overflow:hidden}.media-library-preview-media video,.media-library-preview-media img{object-fit:contain;width:100%;height:100%}.media-library-audio-preview{place-items:center;gap:2px;width:100%;display:grid}.media-library-audio-preview audio{width:76px;height:22px}.media-library-preview-copy{gap:3px;min-width:0;display:grid}.media-library-preview-copy strong,.media-library-item-copy strong{color:var(--foreground);text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:560;overflow:hidden}.media-library-preview-copy span,.media-library-item-copy span{color:var(--text-tertiary);font-size:10px}.media-library-items{overscroll-behavior:contain;max-height:min(390px,100vh - 260px);padding:10px;overflow-y:auto}.media-library-items.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;display:grid}.media-library-item{border-radius:var(--radius-lg);text-align:left;cursor:pointer;content-visibility:auto;contain-intrinsic-size:112px;background:0 0;border:1px solid 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i{border-radius:var(--radius-round);background:var(--text-tertiary);opacity:.72;flex:1;min-width:1px}.media-library-item-copy{gap:2px;min-width:0;display:grid}.media-library-item-copy span{align-items:center;gap:4px;display:flex}.media-library-item-add{border-radius:var(--radius-sm);width:22px;height:22px;color:var(--primary-foreground);background:color-mix(in srgb, var(--canvas-black) 68%, transparent);opacity:0;transition:opacity var(--duration-press) var(--ease-out), transform var(--duration-press) var(--ease-out);place-items:center;display:grid;position:absolute;top:9px;right:9px;transform:scale(.92)}.media-library-items.list{gap:2px;display:grid}.media-library-items.list .media-library-item{grid-template-columns:66px minmax(0,1fr);align-items:center}.media-library-items.list .media-library-thumb{aspect-ratio:auto;height:42px}.media-library-empty{min-height:190px;color:var(--text-tertiary);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:28px;display:flex}.media-library-empty strong{color:var(--foreground);font-size:12px}.media-library-empty p{max-width:300px;margin:0;font-size:11px;line-height:1.45}.media-library-empty button{border:1px solid var(--line);border-radius:var(--radius-md);min-height:30px;color:var(--foreground);background:var(--card);cursor:pointer;margin-top:5px;padding:0 10px}@media (hover:hover) and (pointer:fine){.media-library-item:hover{background:var(--surface-subtle)}.media-library-item:hover .media-library-item-add{opacity:1;transform:scale(1)}}.background-tool span{border:1px solid color-mix(in srgb, var(--canvas-black) 18%, transparent);border-radius:50%;width:15px;height:15px}.timeline-timecode{min-width:108px;color:var(--muted-foreground);font-family:var(--font-geist-mono), ui-monospace, monospace;font-variant-numeric:tabular-nums;white-space:nowrap;align-items:baseline;gap:5px;font-size:11px;display:flex}.timeline-tool-button{border:1px solid var(--line);border-radius:var(--radius-md);height:30px;color:var(--control-foreground);background:var(--surface-subtle);white-space:nowrap;cursor:pointer;transition:border-color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);align-items:center;gap:7px;padding:0 9px;display:inline-flex}.timeline-tool-button strong{color:var(--foreground);font-variant-numeric:tabular-nums;font-weight:560}.timeline-tool-button:active,.timeline-icon-tool:active:not(:disabled),.timeline-add-button:active,.timeline-fit-button:active{transform:scale(.97)}.timeline-timecode strong{color:var(--foreground);font-weight:560}.timeline-pill:disabled{color:var(--text-faint);background:var(--surface-subtle);cursor:default;opacity:.76}.timeline-pill:disabled strong{color:var(--text-tertiary)}.timeline-zoom{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-subtle);width:132px;height:30px;color:var(--text-tertiary);align-items:center;gap:6px;padding:0 8px;display:flex}.timeline-zoom .editor-slider{flex:1;min-width:0;height:22px}.timeline-zoom .editor-slider-control{height:22px}.timeline-zoom .editor-slider-track{height:2px}.timeline-zoom .editor-slider-thumb{border-width:1.5px;width:10px;height:10px}.timeline-fit-button{border:1px solid var(--line);border-radius:var(--radius-md);width:30px;height:30px;color:var(--control-foreground);background:var(--surface-subtle);cursor:pointer;transition:color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);flex:0 0 30px;place-items:center;padding:0;display:grid}.timeline-add-button{border:1px solid var(--line);border-radius:var(--radius-md);height:30px;color:var(--control-foreground);background:var(--card);cursor:pointer;transition:color var(--duration-hover) var(--ease-out), border-color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);align-items:center;gap:6px;padding:0 11px;display:inline-flex}.timeline-scrollport{min-width:0;height:var(--timeline-scroll-height,min(320px, calc(122px + var(--audio-lanes-height,0px) + var(--caption-lanes-height,0px) + var(--layer-lanes-height,0px))));border-top:1px solid var(--border);overscroll-behavior-x:contain;max-height:min(420px,100vh - 168px);overflow:auto}.timeline-scrollport.has-audio{height:var(--timeline-scroll-height,min(320px, calc(122px + var(--audio-lanes-height,0px) + var(--caption-lanes-height,0px) + var(--layer-lanes-height,0px))))}.timeline.is-collapsed .timeline-scrollport,.timeline.is-collapsed .timeline-scrollport.has-audio{height:100px;overflow-y:hidden}.timeline-scrollport::-webkit-scrollbar{width:0;height:12px}.timeline-scrollport::-webkit-scrollbar-thumb{border-radius:var(--radius-round);background:var(--border-strong);background-clip:padding-box;border:3px solid #0000}.timeline-scrollport::-webkit-scrollbar-thumb:hover{background:var(--preview-mid);background-clip:padding-box}.timeline-sequence{min-width:100%;min-height:calc(114px + var(--audio-lanes-height,0px) + var(--caption-lanes-height,0px) + var(--layer-lanes-height,0px));-webkit-user-select:none;user-select:none;touch-action:none;cursor:default;padding-top:1px;position:relative}.timeline-scrollport.has-audio .timeline-sequence{min-height:calc(114px + var(--audio-lanes-height,0px) + var(--caption-lanes-height,0px) + var(--layer-lanes-height,0px))}.layer-add-popover{width:228px}.layer-add-options{gap:2px;margin-top:7px;display:grid}.layer-add-options>button{border-radius:var(--overlay-item-radius);min-height:40px;color:var(--control-foreground);text-align:left;cursor:pointer;transition:color var(--duration-hover) var(--ease-out), border-color var(--duration-hover) var(--ease-out), background-color var(--duration-hover) var(--ease-out), transform var(--duration-press) var(--ease-out);background:0 0;border:1px solid #0000;align-items:center;gap:9px;padding:6px 8px;display:flex}.layer-add-options>button:active{transform:scale(.985)}.layer-add-options>button>svg{flex:none}.layer-add-options>button>span{gap:2px;min-width:0;display:grid}.layer-add-options strong{font-size:11px;font-weight:570}.layer-add-options small{color:var(--text-tertiary);font-size:9px}.timeline-ruler{z-index:8;height:24px;color:var(--text-tertiary);background:color-mix(in srgb, var(--card) 98.5%, 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