:root{color-scheme:light;--page-bg: #eef1f5;--panel-bg: rgba(251, 252, 254, .94);--panel-border: rgba(23, 28, 36, .08);--panel-shadow: 0 28px 90px rgba(24, 32, 48, .08);--text-main: #18202b;--text-muted: #5d6878;--text-soft: #7d8796;--accent: #4562d9;--accent-strong: #3149b8;--accent-soft: rgba(69, 98, 217, .12);--danger: #cf5252;--danger-soft: rgba(207, 82, 82, .1);--canvas-bg: #f7f8fb;--workbench-control-standard: 34px;--workbench-control-compact: 30px;--workbench-radius-surface: 18px;--workbench-radius-control: 10px;--workbench-radius-pill: 999px;--workbench-text-title: 1.04rem;--workbench-text-primary: .82rem;--workbench-text-secondary: .72rem;--workbench-shadow-surface: 0 3px 8px rgba(24, 32, 48, .05)}*{box-sizing:border-box}[hidden]{display:none!important}html,body,#app{min-height:100%}body{margin:0;font-family:IBM Plex Sans,Avenir Next,Segoe UI,sans-serif;color:var(--text-main);background:radial-gradient(circle at top left,rgba(69,98,217,.1),transparent 26%),radial-gradient(circle at top right,rgba(131,146,168,.1),transparent 24%),linear-gradient(180deg,#f6f8fb 0%,var(--page-bg) 100%)}button,input,select{font:inherit}button{border:0;cursor:pointer}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);border:0}.shell{display:grid;grid-template-rows:auto 1fr;gap:18px;min-height:100vh;padding:24px}.toolbar,.panel,.stage{border:1px solid var(--panel-border);border-radius:28px;background:var(--panel-bg);box-shadow:var(--panel-shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px}.brand h1,.stage h2,.image-card h2{margin:0;font-size:1.5rem;line-height:1.05}.muted,.file-name,.dropzone-copy span,.meta-item span,.zoom-readout span,.status-bar{color:var(--text-muted)}.eyebrow{margin:0 0 6px;color:var(--text-soft);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.toolbar-controls{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap}.field{display:grid;gap:6px;min-width:0}.field span,.toggle-field span,.step-group span{font-size:.82rem;font-weight:600;color:var(--text-muted)}.field select,.range-field input,.toggle-field,.segmented,.primary-button,.ghost-button,.danger-button,.secondary-button,.dropzone,.status-bar,.metric-card,.meta-item{border-radius:18px}.field select{min-width:170px;height:44px;padding:0 14px;border:1px solid rgba(23,28,36,.1);background:#ffffffc7}.segmented{display:inline-flex;align-items:center;gap:6px;padding:4px;background:#18202b0d}.segmented button{min-height:40px;padding:0 14px;border-radius:14px;color:var(--text-muted);background:transparent}.segmented button.is-active{color:#fff;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%)}.segmented.small button{min-height:36px;min-width:78px}.toggle-field{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 14px;border:1px solid rgba(23,28,36,.08);background:#ffffffb8}.toggle-field input{width:18px;height:18px;accent-color:var(--accent)}.primary-button,.secondary-button,.ghost-button,.danger-button{min-height:44px;padding:0 18px;border:1px solid transparent;transition:transform .16s ease,background .16s ease,color .16s ease}.primary-button{color:#fff;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%)}.secondary-button{color:var(--text-main);border-color:#171c2414;background:#18202b0d}.ghost-button{color:var(--text-main);border-color:#171c2414;background:#ffffffb8}.danger-button{color:var(--danger);border-color:#cf52522e;background:var(--danger-soft)}.primary-button:hover,.secondary-button:hover,.ghost-button:hover,.danger-button:hover,.dropzone:hover,.nudge-center:hover,.nudge-button:hover{transform:translateY(-1px)}.primary-button:disabled,.secondary-button:disabled,.ghost-button:disabled,.danger-button:disabled,.nudge-center:disabled,.nudge-button:disabled{cursor:not-allowed;opacity:.45;transform:none}.workspace{display:grid;grid-template-columns:308px minmax(0,1fr) 308px;gap:18px;min-height:0}.image-card,.stage{display:grid;gap:16px;padding:18px;min-height:0}.image-rail{align-content:start}.rail-label{margin:0}.rail-upload-slot{min-height:160px}.rail-file-name{margin:0;min-height:1.2em;max-height:6em;line-height:1.2;display:-webkit-box;white-space:normal;overflow:hidden;overflow-wrap:anywhere;text-overflow:ellipsis;-webkit-box-orient:vertical;-webkit-line-clamp:5}.rail-info{display:grid;gap:4px}.rail-actions{display:grid;gap:8px}.rail-section-actions{padding-top:8px}.rail-step-group{display:grid;gap:8px}.rail-step-group .segmented{width:100%}.rail-step-group .segmented button{flex:1}.rail-nudge-grid{grid-template-columns:56px 1fr 56px;grid-template-rows:56px 56px 56px}.rail-status{margin:0;min-height:1.2em;font-size:.82rem;color:var(--text-muted)}.rail-status[data-tone=error]{color:var(--danger)}.card-head,.stage-head,.stage-tools{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.file-name{margin:10px 0 0;min-height:1.2em;overflow-wrap:anywhere}.dropzone{position:relative;display:grid;place-items:center;min-height:240px;padding:20px;overflow:hidden;border:1px dashed rgba(23,28,36,.14);background:linear-gradient(135deg,#4562d90f,#4562d905),#ffffffad;text-align:center;transition:background .18s ease,border-color .18s ease}.dropzone.is-drag-over{border-color:var(--accent);background:linear-gradient(135deg,#4562d91f,#4562d90d),#ffffffdb}.dropzone-copy{position:relative;z-index:1;display:grid;gap:8px}.dropzone-copy strong{font-size:1rem}.dropzone-copy span:empty,.stage-placeholder span:empty{display:none}.preview-image{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;padding:20px}.image-card.has-image .dropzone-copy{align-self:end;margin-top:auto;padding:10px 12px;border-radius:14px;background:#fbfcfee0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.meta-item,.metric-card{display:grid;gap:6px;padding:12px 14px;background:#ffffffb3;border:1px solid rgba(23,28,36,.06)}.meta-item strong,.metric-card strong{font-size:1rem}.step-group{display:flex;align-items:center;justify-content:space-between;gap:12px}.nudge-grid{display:grid;grid-template-columns:72px 1fr 72px;grid-template-rows:72px 72px 72px;gap:10px}.nudge-button,.nudge-center{display:grid;place-items:center;border-radius:20px;background:#fffc;border:1px solid rgba(23,28,36,.08)}.nudge-button svg{width:22px;height:22px;fill:currentColor}.nudge-button.is-pressed{background:var(--accent-soft)}.nudge-up{grid-column:2}.nudge-left{grid-column:1;grid-row:2}.nudge-center{grid-column:2;grid-row:2;gap:4px}.nudge-right{grid-column:3;grid-row:2}.nudge-down{grid-column:2;grid-row:3}.nudge-center strong{font-size:1.1rem}.wide{width:100%}.stage{grid-template-rows:auto 1fr}.stage-toolbar{display:grid;gap:12px}.stage-toolbar-main{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.stage-toolbar-group{min-height:var(--workbench-control-compact)}.metric-strip{display:flex;align-items:center;gap:8px}.metric-pill{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 12px;border-radius:999px;border:1px solid rgba(23,28,36,.06);background:#ffffffb8}.metric-pill span,.stage-notice{font-size:.82rem;color:var(--text-muted)}.metric-pill strong{font-size:.95rem}.stage-range-field{min-width:220px}.stage-zoom-controls{margin-left:auto}.stage-notice{min-height:1.2em}.stage-notice[data-tone=error]{color:var(--danger)}.metric-list{display:grid;grid-template-columns:repeat(2,minmax(0,150px));gap:10px}.stage-tools{align-items:center}.range-field{grid-template-columns:auto minmax(140px,1fr) auto;align-items:center;gap:12px}.range-field input{width:100%;accent-color:var(--accent)}.zoom-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px}.zoom-readout{display:grid;place-items:center;min-width:88px;padding:0 10px}.zoom-readout strong{font-size:1.05rem}.viewport-frame{position:relative;min-height:520px;overflow:hidden;border-radius:24px;border:1px solid rgba(23,28,36,.08);background:var(--canvas-bg)}.viewport-frame canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.viewport-frame canvas:active{cursor:grabbing}.stage-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;gap:8px;padding:32px;text-align:center;background:linear-gradient(180deg,#f7f8fbe6,#f7f8fbc2)}.stage-placeholder strong{font-size:1.08rem}.status-bar{min-height:48px;display:flex;align-items:center;padding:0 16px;border:1px solid rgba(23,28,36,.06);background:#ffffffad}.status-bar[data-tone=error]{color:var(--danger);border-color:#cf525224;background:var(--danger-soft)}.status-bar[data-tone=ready]{color:var(--accent-strong);border-color:#4562d929;background:#4562d914}@media(max-width:1280px){.workspace{grid-template-columns:280px minmax(0,1fr)}.workspace>.image-card:last-child{grid-column:1 / -1}}@media(max-width:980px){.shell{padding:16px}.toolbar,.workspace{grid-template-columns:1fr}.toolbar{align-items:flex-start;flex-direction:column}.toolbar-controls{width:100%;justify-content:flex-start}.workspace{display:grid;grid-template-columns:1fr}.metric-list,.meta-grid{grid-template-columns:1fr}.stage-head,.stage-tools{flex-direction:column;align-items:stretch}.zoom-controls{justify-content:flex-start;flex-wrap:wrap}.viewport-frame{min-height:420px}}.workbench-shell{height:100vh;overflow:hidden;gap:10px;padding:12px}.workbench-shell,.workbench-shell *{min-width:0}.workbench-shell .toolbar,.workbench-shell .panel,.workbench-shell .stage{border-color:transparent;border-radius:var(--workbench-radius-surface);box-shadow:var(--workbench-shadow-surface);-webkit-backdrop-filter:none;backdrop-filter:none}.workbench-shell .toolbar{min-height:48px;padding:8px 12px;gap:10px}.workbench-shell .brand{display:flex;align-items:center;gap:8px;min-width:0}.workbench-shell .brand-title{margin:0;font-size:var(--workbench-text-title);line-height:1;font-weight:700}.workbench-shell .brand-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:#4562d91a;color:var(--accent-strong);font-size:.67rem;font-weight:700;letter-spacing:.01em;white-space:nowrap}.toolbar-controls-compact{flex:1;flex-wrap:nowrap;justify-content:flex-end;gap:8px}.toolbar-controls-compact .field.compact{display:block}.toolbar-controls-compact .field.compact span{display:none}.toolbar-controls-compact .field select{min-width:126px;height:var(--workbench-control-standard);padding:0 10px;border-radius:var(--workbench-radius-control)}.toolbar-controls-compact .field select,.toolbar-controls-compact .toggle-field span,.toolbar-controls-compact .segmented button,.toolbar-controls-compact .primary-button,.toolbar-controls-compact .secondary-button,.toolbar-controls-compact .ghost-button{font-size:var(--workbench-text-primary);font-weight:600}.toolbar-controls-compact .toggle-field,.toolbar-controls-compact .primary-button,.toolbar-controls-compact .ghost-button,.toolbar-controls-compact .secondary-button{min-height:var(--workbench-control-standard);padding:0 10px;border-radius:var(--workbench-radius-control)}.toolbar-controls-compact .toggle-field{gap:8px}.toolbar-controls-compact .segmented{padding:3px;border-radius:var(--workbench-radius-control)}.toolbar-controls-compact .segmented button{min-height:var(--workbench-control-compact);padding:0 10px;border-radius:10px}.workbench-main{grid-template-columns:116px minmax(0,1fr) 116px;gap:10px;min-height:0;overflow:visible;align-items:stretch}.workbench-main>*{min-height:0}.workbench-main>.image-rail,.workbench-main>.stage{height:100%}.workbench-shell .image-card,.workbench-shell .stage{padding:10px;gap:10px}.image-rail{grid-template-rows:auto auto auto auto auto auto;align-content:start;overflow:hidden}.image-rail .rail-label{font-size:.66rem;letter-spacing:.12em}.image-rail .dropzone{min-height:116px;padding:10px;border-radius:12px}.image-rail .dropzone-copy{gap:4px}.image-rail .dropzone-copy strong{font-size:.78rem;line-height:1.2}.image-rail .dropzone-copy span{display:none}.image-rail .preview-image{padding:8px}.image-rail.has-image .dropzone-copy{padding:6px 8px;border-radius:10px}.rail-file-name{font-size:.76rem}.rail-actions{gap:8px}.rail-actions .rail-action-button{width:100%;min-height:32px;padding:0 10px;font-size:.78rem;font-weight:600;border-radius:10px}.rail-adjustments{display:grid;gap:8px;padding-top:12px}.rail-step-group{gap:8px}.image-rail .rail-step-group{display:grid}.rail-step-group span{font-size:.7rem}.rail-step-group .segmented{padding:4px;gap:4px;border-radius:10px}.rail-step-group .segmented button{min-height:28px;min-width:0;padding:0 8px;font-size:.72rem;border-radius:8px}.rail-nudge-grid,.image-rail .nudge-grid{grid-template-columns:repeat(3,34px);grid-template-rows:repeat(3,34px);gap:6px;justify-content:center}.image-rail .nudge-button,.image-rail .nudge-center{border-radius:10px;border-color:#171c240f}.image-rail .nudge-button svg{width:16px;height:16px}.image-rail .nudge-center{padding:4px;text-align:center}.image-rail .nudge-center svg{width:16px;height:16px}.rail-status{font-size:.72rem;line-height:1.3}.stage{grid-template-rows:auto minmax(0,1fr)}.stage-toolbar{display:grid;gap:8px}.stage-toolbar-main{display:grid;grid-template-columns:auto minmax(140px,1fr) auto;align-items:center;gap:8px}.metric-strip{gap:6px}.metric-pill{min-height:30px;padding:0 10px;gap:6px}.metric-pill span{font-size:.72rem}.metric-pill strong{font-size:.82rem}.stage-range-field{min-width:0;grid-template-columns:minmax(0,1fr) auto;gap:8px}.stage-range-field span{display:none}.stage-range-field strong{font-size:.74rem}.stage-zoom-controls{margin-left:0;gap:6px}.stage-zoom-controls .ghost-button,.stage-zoom-controls .secondary-button{min-height:30px;padding:0 10px;border-radius:10px;font-size:.76rem}.zoom-readout{min-width:54px;padding:0 4px}.zoom-readout span{display:none}.zoom-readout strong{font-size:.82rem}.stage-notice{grid-column:1 / -1;justify-self:end;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.72rem}.viewport-frame{min-height:0;height:100%;border-radius:16px}.stage-placeholder{gap:4px;padding:20px;font-size:.82rem}.stage-placeholder strong{font-size:.96rem}.stage-placeholder span{max-width:260px}.workbench-shell .primary-button:hover,.workbench-shell .secondary-button:hover,.workbench-shell .ghost-button:hover,.workbench-shell .nudge-button:hover,.workbench-shell .nudge-center:hover,.workbench-shell .dropzone:hover{transform:none}.workbench-shell .secondary-button:hover,.workbench-shell .ghost-button:hover,.workbench-shell .nudge-button:hover,.workbench-shell .nudge-center:hover{border-color:#171c241f;background:#ffffffc7}.workbench-shell .primary-button:hover{filter:brightness(.98)}.workbench-shell .dropzone:hover{background:linear-gradient(135deg,#4562d914,#4562d908),#ffffffad}.workbench-shell .primary-button:active,.workbench-shell .secondary-button:active,.workbench-shell .ghost-button:active,.workbench-shell .nudge-button:active,.workbench-shell .nudge-center:active{box-shadow:inset 0 1px 2px #18202b1f}.workbench-shell .primary-button:focus-visible,.workbench-shell .secondary-button:focus-visible,.workbench-shell .ghost-button:focus-visible,.workbench-shell .field select:focus-visible,.workbench-shell .dropzone:focus-visible,.workbench-shell .nudge-button:focus-visible,.workbench-shell .nudge-center:focus-visible{outline:2px solid rgba(69,98,217,.4);outline-offset:2px}.workbench-shell .toggle-field:focus-within{outline:2px solid rgba(69,98,217,.4);outline-offset:2px}.workbench-shell .dropzone.is-drag-over{border-color:var(--accent)}@media(max-width:1280px){.workbench-main{grid-template-columns:104px minmax(0,1fr) 104px}}