:root{--bg:#0f172a;--panel:#1e293b;--panel2:#273449;--line:#334155;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--accent2:#22c55e;--danger:#ef4444;--sidebar:#0b1220}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font:14px/1.5 system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.layout{display:flex;min-height:100%}.topbar{display:none}.hamburger{background:none;border:0;color:var(--text);cursor:pointer;padding:6px;display:inline-flex;align-items:center;border-radius:8px}.hamburger:hover{background:var(--panel)}.hamburger .ic{width:24px;height:24px}.topbar-brand{font-size:16px;font-weight:700}.sidebar{width:240px;flex:0 0 240px;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{padding:18px 20px;font-size:16px;font-weight:700;border-bottom:1px solid var(--line)}.menu{flex:1;padding:12px 0;overflow:auto}.navgroup{margin-bottom:0}.navlink{display:flex;align-items:center;gap:10px;padding:9px 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