:root{--vf-accent:#18181b;--vf-accent-hover:#09090b;--vf-accent-soft:#18181b0f;--vf-bg:#f7f7f6;--vf-bg-elevated:#fff;--vf-surface:#f4f4f3;--vf-surface-2:#ebebea;--vf-text:#18181b;--vf-muted:#71717a;--vf-border:#e4e4e3;--vf-shadow:0 1px 2px #0000000d;--vf-radius:8px;--vf-radius-lg:10px;--vf-sidebar-width:min(272px, 92vw);--bg:var(--vf-bg);--text:var(--vf-text);--muted:var(--vf-muted);--card:var(--vf-bg-elevated);--card-solid:var(--vf-bg-elevated);--border:var(--vf-border);--surface:var(--vf-surface);--surface-2:var(--vf-surface-2);--btn:var(--vf-accent);--btn-hover:var(--vf-accent-hover);--btn-secondary:#fff;--sys:#f4f4f3;--user:#18181b0d;--danger:#e11d48;--shadow:var(--vf-shadow);--focus-ring:0 0 0 2px var(--vf-bg), 0 0 0 4px #18181b33}[data-theme=dark]{--vf-accent:#f4f4f5;--vf-accent-hover:#fff;--vf-accent-soft:#f4f4f514;--vf-bg:#0c0c0c;--vf-bg-elevated:#141414;--vf-surface:#1c1c1c;--vf-surface-2:#242424;--vf-text:#f4f4f5;--vf-muted:#a1a1aa;--vf-border:#2a2a2a;--vf-shadow:0 1px 2px #0000004d;--sys:#1c1c1c;--user:#f4f4f50f;--danger:#fb7185;--focus-ring:0 0 0 2px var(--vf-bg), 0 0 0 4px #f4f4f540}*{box-sizing:border-box}body{color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;min-height:100vh;margin:0;font-family:Inter,Segoe UI,system-ui,sans-serif;font-size:1rem;line-height:1.6}.container{width:min(1680px,100%);margin:0 auto;padding:24px}.app-shell{flex-direction:column;display:flex}.app-frame{border-radius:var(--vf-radius-lg);border:1px solid var(--border);background:var(--card);grid-template-columns:minmax(0,1fr);min-height:calc(100vh - 40px);display:grid;overflow:hidden;box-shadow:0 1px 3px #0000000a,0 4px 16px #0000000a}body[data-sidebar=collapsed] .app-frame{grid-template-columns:56px minmax(0,1fr)}.sidebar{background:var(--vf-bg-elevated);border-right:1px solid var(--border);flex-direction:column;padding:20px 14px;display:flex}body[data-sidebar=collapsed] .sidebar{align-items:center;padding:12px 10px}.sidebar-toggle-btn{border-radius:var(--vf-radius);border:1px solid var(--border);width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;place-items:center;margin:0 0 14px;padding:0;display:grid}.sidebar-toggle-btn:hover{color:var(--text);background:var(--surface)}body[data-sidebar=collapsed] .sidebar-brand{justify-content:center;margin-bottom:0}body[data-sidebar=collapsed] .sidebar-brand-text,body[data-sidebar=collapsed] .sidebar-section-label,body[data-sidebar=collapsed] .sidebar-nav,body[data-sidebar=collapsed] .sidebar-footer{display:none}.sidebar-brand{border-bottom:1px solid var(--border);align-items:center;gap:12px;margin-bottom:24px;padding-bottom:18px;display:flex}.sidebar-logo-mark{background:var(--vf-surface);width:32px;height:32px;color:var(--text);border:1px solid var(--border);border-radius:7px;flex-shrink:0;place-items:center;display:grid}.sidebar-brand-text{min-width:0}.sidebar-logo{letter-spacing:-.01em;color:var(--text);font-size:15px;font-weight:600;line-height:1.2}.sidebar-tagline{color:var(--muted);margin:2px 0 0;font-size:12px;font-weight:400}.sidebar-section-label{letter-spacing:.07em;text-transform:uppercase;color:var(--muted);opacity:.7;margin:0 0 10px;font-size:11px;font-weight:600}.sidebar-nav{flex:1;min-height:0;overflow:auto}.sidebar-pipeline{flex-direction:column;gap:2px;display:flex}.sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:10px;min-width:0;margin-top:auto;padding-top:14px;display:flex}.sidebar-activity{flex-direction:column;gap:6px;min-height:0;display:flex}.sidebar-activity-title{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;opacity:.7;margin:0;font-size:11px;font-weight:600}.chat--sidebar{max-height:180px}.btn-sidebar-ghost{border-radius:var(--vf-radius);border:1px solid var(--border);min-height:36px;color:var(--muted);cursor:pointer;background:0 0;padding:6px 10px;font-size:13px;font-weight:500}.btn-sidebar-ghost:hover{background:var(--surface);color:var(--text)}.workflow-step{border-radius:var(--vf-radius);background:0 0;border:1px solid #0000;align-items:flex-start;gap:10px;padding:10px 12px;display:flex}.workflow-icon{width:28px;height:28px;color:var(--muted);background:var(--surface);border-radius:6px;flex-shrink:0;place-items:center;display:grid}.workflow-body{flex:1;min-width:0}.workflow-step h3{color:var(--muted);margin:0;font-size:14px;font-weight:500}.workflow-step p{color:var(--muted);opacity:.7;margin:4px 0 0;font-size:12px;line-height:1.4}.workflow-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.workflow-badge{border:1px solid var(--border);text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--surface);border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:9px;font-weight:600}.workflow-running{border-color:var(--border);background:var(--surface)}.workflow-running .workflow-icon{color:var(--text);background:var(--surface-2)}.workflow-running h3{color:var(--text)}.workflow-running .workflow-badge{border-color:var(--border);color:var(--text);background:var(--surface-2)}.workflow-done h3{color:var(--text)}.workflow-done .workflow-icon{color:#16a34a;background:#16a34a14}.workflow-done .workflow-badge{color:#16a34a;background:#16a34a0f;border-color:#16a34a33}.workflow-error .workflow-icon{color:var(--danger);background:#e11d480f}.workflow-error .workflow-badge{color:var(--danger);background:#e11d480f;border-color:#e11d4833}.workspace-column{background:var(--bg);flex-direction:column;gap:16px;min-width:0;padding:20px 22px 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var(--border);background:var(--card);min-width:140px;min-height:2.375rem;color:var(--text);padding:.375rem .5625rem;font-family:inherit;font-size:1rem;font-weight:500;line-height:1.4}.btn-header-ghost{min-height:38px;padding:8px 14px}.btn-save-step{border-radius:var(--vf-radius);color:#fff;cursor:pointer;background:#2563eb;border:none;align-items:center;gap:6px;min-height:38px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .15s;display:inline-flex}.btn-save-step:hover{background:#1d4ed8}.btn-save-step:disabled{opacity:.6;cursor:not-allowed}.btn-save-step.is-saving{opacity:.8}.btn-save-step svg{flex-shrink:0}.kpi-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.kpi-card{border-radius:var(--vf-radius);border:1px solid var(--border);background:var(--card);margin:0;padding:12px 14px}.kpi-card p{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin:0;font-size:10px;font-weight:600}.kpi-card h3{color:var(--text);margin:6px 0 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option{color:var(--text);background-color:var(--card);padding:.5rem .75rem;font-family:inherit;font-size:1rem;font-weight:500;line-height:1.4}.vf-select{width:100%;min-width:0;position:relative}.vf-select-native{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.vf-select-trigger{border-radius:var(--vf-radius);border:1px solid var(--border);background:var(--surface);width:100%;min-height:2.375rem;color:var(--text);text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:.5rem;padding:.5625rem .75rem;font-family:inherit;font-size:1rem;font-weight:500;line-height:1.4;display:flex}.vf-select-trigger:after{content:"";opacity:.65;border-bottom:2px solid;border-right:2px solid;flex-shrink:0;width:.5rem;height:.5rem;transform:rotate(45deg)translateY(-2px)}.vf-select-trigger:focus{box-shadow:var(--focus-ring);border-color:#0000;outline:none}.vf-select-trigger:disabled{opacity:.55;cursor:not-allowed}.vf-select-menu{z-index:100;border-radius:var(--vf-radius);border:1px solid var(--border);background:var(--card);box-shadow:var(--vf-shadow), 0 8px 24px #0000001a;max-height:min(16rem,50vh);margin:0;padding:.375rem;list-style:none;position:absolute;top:calc(100% + .25rem);left:0;right:0;overflow-y:auto}.vf-select-option{color:var(--text);border-radius:calc(var(--vf-radius) - 2px);cursor:pointer;padding:.5rem .75rem;font-family:inherit;font-size:1rem;font-weight:500;line-height:1.4}.vf-select-option:hover:not(.is-disabled),.vf-select-option[aria-selected=true]{background:var(--vf-accent-soft)}.vf-select-option.is-disabled{opacity:.45;cursor:not-allowed}.toolbar-field 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.upload-zone-preview{display:block}.detected-input-type-box{border-radius:var(--vf-radius-md);border:1px solid var(--border);background:var(--surface);align-items:center;gap:8px;margin-top:10px;padding:8px 12px;font-size:13px;display:flex}.detected-input-type-label{color:var(--muted);font-weight:500}.detected-input-type-value{color:var(--text);font-weight:600}.detected-input-type-value[data-mode=pending]{color:var(--muted);font-weight:500}.input-stage-actions{margin-top:10px}.input-stage-actions #runBtn{width:fit-content}.main-preview-card{min-height:480px}body[data-center-stage=input] #inputStageCard{display:block}body[data-center-stage=input] #previewStageCard{display:none}body[data-center-stage=preview] #previewStageCard{display:block}.preview-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.preview-col{min-width:0}.preview-heading{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-size:13px;font-weight:600}.preview-frame{border:1px solid var(--border);border-radius:var(--vf-radius-lg);background:var(--surface);width:100%;min-height:320px;position:relative;overflow:hidden}.preview-empty{color:var(--muted);place-items:center;font-size:13px;display:grid;position:absolute;inset:0}.preview-empty-inner{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:16px;display:flex}.preview-dashed-icon{opacity:.3;color:var(--muted)}.preview-image{object-fit:contain;z-index:1;width:100%;height:100%;position:absolute;inset:0}.preview-image:not([src]),.preview-image[src=""]{opacity:0}.preview-image[src]:not([src=""])+.preview-empty{display:none}.chips{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.chip{border:1px solid var(--border);cursor:pointer;background:var(--surface);color:var(--text);border-radius:5px;padding:4px 10px;font-size:12px;font-weight:500;transition:opacity 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var(--border);border-radius:var(--vf-radius);background:var(--card);margin-top:10px;padding:10px}.region-image-title{color:var(--muted);opacity:.8;margin:0 0 6px;font-size:12px;font-weight:500}.region-image-header{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.region-image-header .region-image-title{margin:0}.region-card #withoutWrap_unhighlighted img,.region-card [id^=withoutWrap_] img{margin-top:4px}.region-card .actions{flex-wrap:nowrap;gap:7px;margin:10px 0 6px;display:flex}.region-card .actions button{border:1px solid var(--border);background:var(--card);min-width:0;color:var(--text);white-space:nowrap;border-radius:6px;flex:auto;padding:7px 9px;font-size:13px;font-weight:500;line-height:1.2}.region-card .actions button:hover{background:var(--surface-2)}.region-card .actions button[id^=enh_],.region-card .actions button[id^=fix_]{background:var(--btn);color:#fff;border-color:#0000}[data-theme=dark] .region-card .actions 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button{width:100%;margin-top:6px}.region-image-frame{position:relative;overflow:hidden}.region-inline-loader{z-index:3;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);text-align:center;background:#00000059;place-items:center;gap:8px;padding:10px;display:grid;position:absolute;inset:0}.region-inline-loader p{color:#fff;margin:0;font-size:12px;font-weight:500}.region-file-meta{color:var(--muted);justify-content:space-between;align-items:center;gap:8px;margin:2px 0 8px;font-size:12px;display:flex}.region-file-meta p{overflow-wrap:anywhere;flex:1;min-width:0;margin:0}.region-prompt-meta{color:var(--muted);overflow-wrap:anywhere;margin:0 0 8px;font-size:12px}.region-image-overlay-actions{z-index:2;gap:6px;display:flex;position:absolute;top:6px;right:6px}.region-fullscreen-btn,.region-download-btn{border:1px solid var(--border);color:#18181b;background:#ffffffeb;border-radius:6px;place-items:center;width:28px;height:28px;padding:5px;display:grid}.region-fullscreen-btn:hover,.region-download-btn:hover{background:#fff}.region-discard-btn{width:28px;height:28px;color:var(--danger);background:#e11d4814;border:1px solid #e11d4859;border-radius:6px;flex-shrink:0;place-items:center;padding:0;font-size:15px;font-weight:600;line-height:1;display:grid;position:static}.region-card-discard-btn{margin-top:0}.region-discard-btn:hover{background:#e11d4824}.region-discard-btn:disabled{opacity:.3}.region-card input[id^=fix_]{width:100%}.region-select{min-width:0;color:var(--muted);flex-direction:row;align-items:center;gap:6px;margin-bottom:6px;font-size:12px;display:flex}.region-select-checkbox{width:auto;min-width:14px;height:14px;margin:0}.chat{border:1px solid var(--border);border-radius:var(--vf-radius);background:var(--surface);max-height:300px;margin-top:2px;padding:10px;overflow:auto}.bubble{border-radius:6px;margin:8px 0;padding:9px 11px;font-size:13px;line-height:1.45}.bubble.user{background:var(--user);border:1px solid var(--border)}.bubble.sys{background:var(--sys);border:1px solid var(--border);color:var(--muted)}.error{color:var(--danger);min-height:20px;margin-top:6px;font-size:13px}.hidden{display:none!important}.app-loader{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:1000;background:#0000004d;place-items:center;display:grid;position:fixed;inset:0}.app-loader.hidden{display:none!important}body.modal-open{overflow:hidden}.image-modal{z-index:1100;position:fixed;inset:0}.image-modal-backdrop{background:#000000d1;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.image-modal-content{border-radius:var(--vf-radius-lg);background:#1a1a1a;border:1px solid #ffffff1a;place-items:center;width:min(94vw,1400px);max-height:92vh;padding:14px;display:grid;position:relative;box-shadow:0 20px 60px #00000080}.image-modal-content img{object-fit:contain;background:#fff;border-radius:6px;max-width:100%;max-height:calc(92vh - 44px);display:block}.image-modal-close{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;background:#000000bf;border:1px solid #ffffff4d;border-radius:50%;place-items:center;width:32px;height:32px;padding:0;font-size:16px;line-height:1;transition:all .2s;display:grid;position:absolute;top:12px;right:12px;box-shadow:0 4px 12px #0006}.image-modal-close:hover{background:#000000f2;transform:scale(1.05)}.app-loader-card{border-radius:var(--vf-radius-lg);border:1px solid var(--border);background:var(--card-solid);justify-items:center;gap:10px;min-width:220px;max-width:90vw;padding:18px 20px;display:grid;box-shadow:0 4px 20px #0000001a}.app-loader-card p{color:var(--muted);margin:0;font-size:13px}.loader-spinner{border:2px solid var(--surface-2);border-top-color:var(--text);border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.context-input{resize:vertical;width:100%;min-height:96px;font-size:14px}@media (width<=1200px){.app-frame,body[data-sidebar=collapsed] .app-frame{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);flex-flow:wrap;align-items:flex-start}.sidebar-brand{border-bottom:none;flex:200px;padding-bottom:0}.sidebar-nav{flex:100%;order:3}.sidebar-footer{border-top:none;flex-flow:wrap;flex:220px;align-items:flex-end;margin-top:0;padding-top:0}.sidebar-activity{flex:200px;min-width:0}.workspace-layout{display:block}}@media (width<=900px){.container{padding:10px}.workspace-header-actions{justify-content:stretch;width:100%}.workspace-header{align-items:flex-start}.workspace-brand,.toolbar-field{width:100%}.toolbar-field select{width:100%;min-width:0}.kpi-strip{grid-template-columns:1fr}.workspace-layout{display:block}.preview-grid,.input-stage-grid{grid-template-columns:1fr}.preview-frame{min-height:220px}}