.layout-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh;background:#f3f4f6}.sidebar{background:#111827;color:#f8fafc;padding:24px 16px;border-right:1px solid #e5e7eb}.sidebar-brand h1{margin:0 0 24px;font-size:1.4rem;letter-spacing:.05em}.sidebar-nav{display:flex;flex-direction:column;gap:8px}.sidebar-link{display:block;padding:12px 14px;border-radius:10px;color:#d1d5db;text-decoration:none;font-size:.95rem}.sidebar-link:hover{background:#1f2937;color:#fff}.sidebar-link.active{background:#2563eb;color:#fff}.content-area{display:flex;flex-direction:column}.topbar{background:#fff;padding:18px 24px;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between}.topbar h2{margin:0;font-size:1.4rem}.topbar p{margin:4px 0 0;color:#475569}.page-content{padding:24px;min-height:calc(100vh - 72px);background:#f8fafc}.page-content h1{margin-top:0}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{font-family:Inter,system-ui,sans-serif;background:#f3f4f6;color:#111827}button,input,select,textarea{font:inherit}button{border:none}button:disabled{opacity:.6}h1,h2,h3,h4,h5,h6,p{margin:0}a{text-decoration:none;color:inherit}body{background:#f8fafc}.page-content{font-size:16px}.table-card,.process-panel,.result-card{box-shadow:0 2px 10px #0f172a0f}
