:root{--navy:#071426;--navy2:#0b1d34;--blue:#2764ff;--blue2:#5f88ff;--bg:#f5f7fb;--card:#fff;--text:#13243b;--muted:#6b7890;--line:#e4e9f2;--green:#20a46b;--gold:#d5962c;--shadow:0 18px 55px rgba(21,39,69,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}button,select,input{font:inherit}.demo-banner{height:38px;background:#fff7e3;border-bottom:1px solid #f1d9a1;display:flex;justify-content:center;gap:16px;align-items:center;font-size:12px;color:#71551a}.demo-banner strong{letter-spacing:.12em;font-size:10px}.shell{min-height:calc(100vh - 38px);display:grid;grid-template-columns:255px 1fr}.sidebar{background:linear-gradient(180deg,var(--navy),#08192d);color:white;padding:22px 16px;display:flex;flex-direction:column}.brand{display:flex;gap:11px;align-items:center;padding:4px 8px 22px}.brand 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