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.handle-frame-preview{right:12px}.timeline-handle:active .handle-frame-preview,.timeline-handle:focus-visible .handle-frame-preview,.timeline-handle:hover .handle-frame-preview{opacity:1;visibility:visible;transform:translateY(0)}.handle-frame-preview img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.handle-frame-preview strong{z-index:1;background:var(--preview-overlay);color:var(--preview-foreground);border-radius:4px;margin:0 4px 4px;padding:3px 5px;font-family:Geist Mono,monospace;font-size:9px;font-weight:500;position:relative}.timeline-inline-fields input,.timeline-inline-fields select{border:1px solid var(--border);background:var(--surface);width:100%;height:32px;color:var(--foreground);border-radius:7px;padding:0 9px;font-family:Geist Mono,monospace;font-size:11px}.timeline-inline-fields select{cursor:pointer}.frame-rate-input{min-width:0;display:block;position:relative}.frame-rate-input select{padding-right:54px}.frame-rate-input small{color:var(--muted-foreground);pointer-events:none;font-family:Geist Mono,monospace;font-size:9px;position:absolute;top:50%;right:28px;transform:translateY(-50%)}.frame-source{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.trim-note{color:var(--muted-foreground);margin:0;font-size:10px;line-height:1.4}.trim-progress{background:var(--surface-soft);border-radius:999px;height:4px;overflow:hidden}.trim-progress span{border-radius:inherit;background:var(--primary);height:100%;transition:width .16s;display:block}.trim-controls .tool-actions{margin-top:0;padding-top:2px}.eyebrow{color:var(--muted-foreground);letter-spacing:.15em;text-transform:uppercase;margin-bottom:5px;font-size:10px;font-weight:600;display:block}.checks-heading h3{letter-spacing:-.01em;margin:0;font-size:15px;font-weight:600}.tool-grid{grid-template-columns:minmax(0,1.08fr) minmax(350px,.92fr);min-height:430px;display:grid}.preview-pane{border-right:1px solid var(--border);flex-direction:column;min-width:0;padding:22px;display:flex}.file-icon,.step-icon,.upload-icon{justify-content:center;align-items:center;display:inline-flex}.upload-icon{border:1px solid var(--border);background:var(--surface);border-radius:10px;width:44px;height:44px;margin-bottom:16px}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 15px;font-size:13px;font-weight:600;transition:background .14s,border-color .14s,opacity .14s;display:inline-flex}.button.primary{background:var(--primary);color:var(--primary-foreground)}.button.primary:hover:not(:disabled){background:var(--primary-hover)}.button.secondary{border-color:var(--border);background:var(--surface);color:var(--foreground)}.button.secondary:hover:not(:disabled){background:var(--surface-soft)}.button.wide{width:100%}.button:disabled{cursor:not-allowed;opacity:.45}.image-stage{border:1px solid var(--border);background-color:var(--checker-light);background-image:linear-gradient(45deg,var(--checker-dark) 25%,transparent 25%),linear-gradient(-45deg,var(--checker-dark) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker-dark) 75%),linear-gradient(-45deg,transparent 75%,var(--checker-dark) 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px;border-radius:12px;flex:1;justify-content:center;align-items:center;min-height:390px;display:flex;position:relative;overflow:hidden}.image-stage img{object-fit:contain;width:100%;height:100%;max-height:430px}.stage-placeholder{color:var(--muted-foreground);flex-direction:column;align-items:center;gap:10px;font-size:13px;display:flex}.stage-label{border:1px solid var(--border);background:var(--surface-overlay);text-transform:uppercase;letter-spacing:.08em;border-radius:6px;padding:5px 8px;font-size:10px;font-weight:600;position:absolute;top:10px;left:10px}.file-summary{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:11px;min-height:62px;margin-top:12px;display:grid}.file-icon{background:var(--surface-soft);border-radius:8px;width:34px;height:34px}.file-copy{min-width:0}.file-copy small,.file-copy strong{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.file-copy strong{margin-bottom:3px;font-size:12px}.file-copy small{color:var(--muted-foreground);font-size:11px}.check-pane{flex-direction:column;min-width:0;padding:24px;display:flex}.checks-heading{justify-content:space-between;align-items:flex-start;gap:18px;min-height:53px;display:flex}.result-badge{border-radius:6px;padding:5px 8px;font-size:10px;font-weight:600}.result-badge.success{background:var(--success-soft);color:var(--success)}.result-badge.warning{background:var(--warning-soft);color:var(--warning)}.result-badge.error{background:var(--danger-soft);color:var(--danger)}.checks-list{border-top:1px solid var(--border)}.check-row{border-bottom:1px solid var(--border);grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:9px;min-height:67px;display:grid}.status-icon{border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}.status-icon.pass{background:var(--success-soft);color:var(--success)}.status-icon.warning{background:var(--warning-soft);color:var(--warning)}.status-icon.error{background:var(--danger-soft);color:var(--danger)}.status-icon.neutral{background:var(--surface-soft);color:var(--muted-foreground)}.check-copy{min-width:0}.check-copy small,.check-copy strong{display:block}.check-copy strong{margin-bottom:3px;font-size:11px}.check-copy small{line-height:1.35}.check-copy small,.check-value{color:var(--muted-foreground);font-size:10px}.check-value{text-align:right;max-width:110px}.check-skeleton{border-bottom:1px solid var(--border);background:linear-gradient(90deg,transparent,var(--surface-soft),transparent);background-size:200% 100%;height:67px;animation:shimmer 1.2s linear infinite}.format-field{color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.08em;gap:7px;margin-top:18px;font-size:10px;font-weight:600;display:grid}.format-field select{border:1px solid var(--border);background:var(--surface);width:100%;min-height:42px;color:var(--foreground);letter-spacing:normal;text-transform:none;border-radius:8px;padding:0 36px 0 12px;font-size:12px;font-weight:500}.media-format-field{width:min(360px,100%);margin-top:0}.result-comparison{background:var(--surface-soft);border-radius:9px;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px;padding:12px;display:grid}.result-comparison div{min-width:0}.result-comparison span,.result-comparison strong{display:block}.result-comparison span{color:var(--muted-foreground);text-transform:uppercase;letter-spacing:.08em;margin-bottom:3px;font-size:9px}.result-comparison strong{text-overflow:ellipsis;font-size:11px;overflow:hidden}.tool-actions{gap:8px;margin-top:auto;padding-top:18px;display:grid}.error-message,.media-drop-zone .error-message{background:var(--danger-soft);color:var(--danger);border-radius:8px;margin:14px 0 0;padding:10px 11px;font-size:11px;line-height:1.45}.content-section{border-top:1px solid var(--border);width:min(980px,100% - 40px);margin:0 auto;padding:88px 0}.section-heading{max-width:650px;margin-bottom:44px}.section-heading.compact{margin-bottom:38px}.section-heading h2{letter-spacing:-.03em;margin:0;font-size:clamp(28px,4vw,38px);font-weight:650;line-height:1.15}.section-heading p{color:var(--muted-foreground);margin:15px 0 0;font-size:14px;line-height:1.7}.model-requirements-summary{border:1px solid var(--border);background:var(--surface);border-radius:10px;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:16px;padding:16px 18px;display:grid}.model-requirements-summary div{gap:5px;display:grid}.model-requirements-summary span,.requirement-row span{color:var(--muted-foreground);font-size:11px}.model-requirements-summary strong{font-size:13px}.requirements-groups{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));align-items:start;gap:16px;display:grid}.requirements-group{border:1px solid var(--border);background:var(--surface);border-radius:10px;overflow:hidden}.requirements-group>header{border-bottom:1px solid var(--border);align-items:center;gap:10px;min-height:58px;padding:0 16px;display:flex}.requirements-group>header>span{background:var(--surface-soft);border-radius:7px;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex}.requirements-group h3{margin:0;font-size:14px}.requirements-table{padding:0 16px}.requirement-row{border-bottom:1px solid var(--border);align-content:center;gap:5px;min-height:58px;display:grid}.requirement-row:last-child{border-bottom:0}.requirement-row strong{font-size:12px;font-weight:600;line-height:1.45}.requirement-row strong.mono{font-size:12px}.source-row{color:var(--muted-foreground);align-items:center;gap:20px;padding-top:16px;font-size:10px;display:flex}.source-row a{align-items:center;gap:4px;display:inline-flex}.source-row a:hover{color:var(--foreground)}.steps-grid{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}.steps-grid article{border-top:1px solid var(--border-strong);padding-top:20px;position:relative}.step-icon{background:var(--surface);width:36px;height:36px;box-shadow:var(--shadow);border-radius:9px;margin-bottom:42px}.step-number{color:var(--muted-foreground);font-family:Geist Mono,monospace;font-size:11px;position:absolute;top:25px;right:0}.steps-grid h3{margin:0 0 8px;font-size:14px}.steps-grid p{color:var(--muted-foreground);margin:0;font-size:12px;line-height:1.7}.faq-section{padding-bottom:110px}.faq-list{border-top:1px solid var(--border-strong)}.faq-list details{border-bottom:1px solid var(--border)}.faq-list summary{cursor:pointer;justify-content:space-between;align-items:center;gap:20px;min-height:68px;font-size:13px;font-weight:600;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--muted-foreground);font-size:18px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list p{max-width:720px;margin:-2px 0 22px;font-size:12px;line-height:1.75}.faq-list p,.site-footer{color:var(--muted-foreground)}.site-footer{border-top:1px solid var(--border);width:min(1180px,100% - 40px);min-height:86px;justify-content:space-between;align-items:center;gap:20px;margin:0 auto;font-size:11px;display:flex}.site-footer span:first-child{color:var(--foreground);font-weight:600}.site-footer{flex-wrap:wrap;padding-block:22px}.site-footer nav{flex-wrap:wrap;gap:16px;display:flex}.site-footer a:hover,.site-info a:hover{text-decoration:underline}.source-row{flex-wrap:wrap}.source-row cite{font-style:normal}.site-info{max-width:780px;padding-block:48px 64px}.site-info h1{letter-spacing:-.03em;font-size:clamp(28px,5vw,42px)}.site-info h2{margin:32px 0 12px;font-size:20px}.site-info p{color:var(--muted-foreground);line-height:1.8}.site-info .info-intro{font-size:18px}.site-info .info-date{font-size:12px}.site-info a{color:var(--primary);overflow-wrap:anywhere}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@keyframes shimmer{to{background-position:-200% 0}}@media (max-width:820px){.site-header{grid-template-columns:1fr auto}.site-nav{display:none}.hero{padding-top:42px}.tool-grid{grid-template-columns:1fr}.trimmer-grid{display:block}.media-preview-pane,.preview-pane{border-bottom:1px solid var(--border)}.preview-pane{border-right:0}.check-pane{min-height:470px}.steps-grid{grid-template-columns:1fr;gap:42px}.step-icon{margin-bottom:25px}}@media (max-width:560px){.content-section,.hero,.media-tool,.site-footer,.site-header,.tool-shell{width:min(100% - 28px,100%)}.hero{padding:36px 0 20px}.hero h1{font-size:30px}.hero-copy{font-size:15px}.tool-shell{border-radius:14px;margin-bottom:76px}.model-selector{margin-top:20px}.model-trigger{gap:11px;min-height:72px;padding:12px 14px}.model-trigger-media{display:none}.model-search input{font-size:16px}.model-options{max-height:min(300px,36dvh)}.media-preview-pane,.trim-controls{padding:14px}.media-preview{min-height:280px}.media-preview-file small{display:none}.timeline-summary{flex-direction:column;align-items:flex-start}.timeline-inline-fields{grid-template-columns:1fr;width:100%}.timeline-zoom-status{align-self:flex-end}.check-pane,.preview-pane{padding:14px}.image-stage{min-height:320px}.check-row{grid-template-columns:24px minmax(0,1fr);padding:10px 0}.check-value{text-align:left;grid-column:2;max-width:none}.requirement-row{padding:15px 0}.model-requirements-summary{grid-template-columns:1fr;gap:14px}.source-row{flex-direction:column;align-items:flex-start;gap:10px}.content-section{padding:68px 0}.section-heading{margin-bottom:32px}.site-footer{flex-direction:column;justify-content:center;align-items:flex-start}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.language-selector{color:var(--muted-foreground);flex-shrink:0;justify-self:end;align-items:center;gap:6px;display:inline-flex}.language-selector select{max-width:120px;min-height:36px;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:4px;font-size:13px}.language-selector select:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}@media (min-width:821px){.site-header{grid-template-columns:1fr auto 1fr;column-gap:28px}}@media (max-width:820px){.site-header{grid-template-columns:1fr auto;column-gap:16px}}@media (max-width:560px){.site-header{grid-template-columns:1fr auto}}.brand-mark img{width:100%;height:100%;display:block}.site-nav a:hover,.source-row a:hover,.upload-icon{color:var(--primary)}.upload-icon{background:var(--accent-soft);border-color:#0000}.requirements-group>header>span,.step-icon{color:var(--primary)}.button.primary:active:not(:disabled){background:var(--primary-active)}.button.secondary,.format-field select,.timeline-inline-fields input,.timeline-inline-fields select,.trim-range input[type=number]{border-color:var(--control-border)}input:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}.media-drop-zone:focus-within .media-upload-action{background:var(--primary-hover)}.media-drop-zone.is-dragging .upload-icon{background:var(--surface)}::selection{background:var(--primary);color:var(--primary-foreground)}.video-clip-heading{gap:5px;min-height:48px;padding:0 36px 14px 0;display:grid}.video-clip-heading strong{font-size:13px;font-weight:600}.video-clip-heading>span{color:var(--muted-foreground);font-variant-numeric:tabular-nums;font-size:11px}.video-clip-stage{border-radius:8px 8px 0 0}.video-clip-stage video{object-fit:contain;display:block}.video-clip-overlay{color:var(--preview-foreground);cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex;position:absolute;inset:0}.video-clip-overlay>span{border:1px solid var(--preview-border);background:var(--preview-overlay);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:50%;place-items:center;width:64px;height:64px;display:grid}.video-clip-overlay strong{background:var(--preview-overlay);border-radius:99px;padding:7px 12px;font-size:13px;font-weight:550}.video-clip-overlay:hover>span{background:var(--primary)}.video-clip-overlay:focus-visible{outline-color:var(--timeline-accent);outline-offset:-4px}.video-clip-controls{background:var(--preview-surface);color:var(--preview-foreground);border-radius:0 0 8px 8px;padding:8px 14px 9px}.video-clip-scrubber{appearance:none;cursor:pointer;background:0 0;width:100%;height:18px;margin:0;display:block}.video-clip-scrubber::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--timeline-accent) var(--clip-progress),var(--timeline-border) var(--clip-progress));border-radius:99px;height:4px}.video-clip-scrubber::-moz-range-track{background:var(--timeline-border);border-radius:99px;height:4px}.video-clip-scrubber::-moz-range-progress{background:var(--timeline-accent);border-radius:99px;height:4px}.video-clip-scrubber::-webkit-slider-thumb{appearance:none;background:var(--timeline-accent);border:0;border-radius:50%;width:12px;height:12px;margin-top:-4px}.video-clip-scrubber::-moz-range-thumb{background:var(--timeline-accent);border:0;border-radius:50%;width:12px;height:12px}.video-clip-toolbar{align-items:center;gap:10px;display:flex}.video-clip-toolbar button{width:32px;height:32px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:6px;flex-shrink:0;place-items:center;padding:0;display:grid}.video-clip-toolbar button:hover{background:var(--preview-glass)}.video-clip-toolbar-spacer{flex:1}.video-clip-clock{font-family:var(--font-sans);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12px}.video-clip-clock>span{color:var(--preview-muted)}.video-clip-scrubber:focus-visible,.video-clip-toolbar button:focus-visible{outline-color:var(--timeline-accent)}.source-timeline-heading{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;display:flex}.source-timeline-heading strong{font-size:12px;font-weight:600}.source-timeline-heading span{color:var(--muted-foreground);font-size:11px}.video-clip-player:fullscreen{background:var(--preview-surface);color:var(--preview-foreground);flex-direction:column;padding:16px;display:flex}.video-clip-player:fullscreen .video-clip-heading>span{color:var(--preview-muted)}.video-clip-player:fullscreen .video-clip-stage{flex:1;min-height:0}.video-clip-player:fullscreen video{height:100%;max-height:none}@media (max-width:560px){.video-clip-controls{padding-inline:10px}.video-clip-toolbar{gap:5px}.video-clip-toolbar button{width:36px;height:36px}.video-clip-scrubber{height:26px}.video-clip-clock{font-size:12px}}.frame-rate-requirement{color:var(--muted-foreground);overflow-wrap:anywhere;grid-column:1/-1;font-size:10px;line-height:1.5}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}