:root{--bg:#f6f7f9;--surface:#fff;--surface-strong:#f0f4f3;--text:#1f2933;--muted:#667085;--border:#d8dee4;--accent:#0f766e;--accent-strong:#0b5f59;--adjust:#b45309;--danger:#b42318;--shadow:0 18px 45px #0f172a14;--font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--font);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}#root{min-height:100vh}.app-shell{min-height:100vh;padding:24px}.toolbar{justify-content:space-between;align-items:center;gap:20px;max-width:1480px;margin:0 auto 18px;display:flex}.title-block{align-items:center;gap:14px;display:flex}.title-icon{color:#fff;background:var(--accent);border-radius:8px;place-items:center;width:48px;height:48px;display:grid}h1,h2,h3,p{margin:0}h1{font-size:26px;font-weight:700;line-height:1.2}h2{font-size:20px;line-height:1.25}h3{margin-bottom:10px;font-size:16px;line-height:1.3}.title-block p,.result-header p,.empty-state p,.hint,.muted-line{color:var(--muted);font-size:13px}.workflow-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start;gap:18px;max-width:1480px;margin:0 auto 18px;display:grid}.workflow-main{gap:14px;min-width:0;display:grid}.workflow-aside{min-width:0;position:sticky;top:18px}.step-card,.status-panel,.result-panel{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:8px}.step-card{gap:16px;padding:18px;display:grid}.step-card-done{border-color:#cce4df}.step-heading{grid-template-columns:auto 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