:root{--bg:#f6f7f9;--surface:#fff;--subtle:#f0f4f3;--text:#47515f;--text-strong:#101820;--muted:#6d7784;--ink:#17202a;--border:#dce3e3;--border-strong:#9fb0b1;--accent:#116b75;--code-bg:#e7eeee;--success-bg:#eaf7ef;--success-border:#95d7aa;--warn-bg:#fff6df;--warn-border:#e7c66f;--danger:#9c2828;--danger-bg:#fff0f0;--danger-border:#e6a3a3;--progress-bg:#d8e0e0;--shadow-soft:0 18px 50px #141f2b14;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:"SFMono-Regular", "Roboto Mono", Consolas, "Liberation Mono", monospace;color:var(--text);background:linear-gradient(180deg, #ffffffbf, #fff0), var(--bg);font:16px/1.5 var(--sans);font-synthesis:none;letter-spacing:0;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;margin:0}input,textarea,button{letter-spacing:0}input,textarea{font:inherit}h1,h2,h3,p{overflow-wrap:anywhere}.shell{width:min(1120px,100vw - 32px);margin:0 auto;padding:28px 0 40px}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:24px;padding:18px 0 24px;display:flex}.appbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:18px;min-height:72px;padding:12px 0 16px;display:flex}.eyebrow{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:700}.brand-lockup{min-width:0}.brand-line{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.brand-lockup p{color:var(--muted);margin:5px 0 0;font-size:14px;font-weight:800}.topbar h1,.appbar 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0}.transfer-workspace{grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);align-items:start;gap:18px;padding:20px 0 0;display:grid}.panel{border:1px solid var(--border);background:var(--surface);min-width:0;box-shadow:var(--shadow-soft);text-align:left;border-radius:8px;padding:24px}.panel-heading{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px;display:flex}.panel-heading h2{margin:0 0 5px;font-size:24px}.panel-heading p,.dropzone span,.result-heading p{color:var(--muted);margin:0;font-size:14px}.metric{background:var(--ink);color:#fff;border-radius:8px;justify-content:center;align-items:center;min-width:72px;min-height:34px;padding:0 10px;font-size:13px;font-weight:800;display:inline-flex}.metric.active{background:var(--accent)}.session-panel{background:linear-gradient(180deg, #f0f4f3d9, #fff0), var(--surface)}.gate-panel{margin-top:18px}.session-grid{grid-template-columns:minmax(0,1.15fr) 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72px)}.join-prompt-row{grid-template-columns:1fr}.item-actions{justify-content:flex-start}.segmented button{flex:150px}}