:root{--bg:#070b10;--bg-soft:#0e1621;--card:#111b21eb;--card-2:#182430eb;--border:#ffffff1a;--border-strong:#ffffff2e;--text:#f4f7fb;--muted:#98a6b3;--brand:#0b6bcb;--brand-2:#38bdf8;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--shadow:0 24px 80px #00000061;--radius:22px}*{box-sizing:border-box}html,body{min-height:100%}body{background:radial-gradient(circle at top left, #0b6bcb38, transparent 34%), radial-gradient(circle at bottom right, #38bdf81f, transparent 28%), var(--bg);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}button,input,select{font-family:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(#ffffff0d,#ffffff04);flex-direction:column;height:100vh;padding:24px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;margin-bottom:30px;display:flex}.brand-mark{background:linear-gradient(135deg, var(--brand), var(--brand-2));color:#fff;letter-spacing:-.05em;border-radius:16px;place-items:center;width:48px;height:48px;font-weight:950;display:grid;box-shadow:0 18px 44px #0b6bcb47}.brand-mark.xl{border-radius:28px;width:86px;height:86px;font-size:28px}.brand strong{letter-spacing:-.04em;font-size:18px;display:block}.brand span{color:var(--brand-2);font-size:12px;font-weight:800;display:block}.nav{gap:8px;display:grid}.nav button{width:100%;color:var(--muted);text-align:left;background:0 0;border:1px solid #0000;border-radius:14px;padding:12px 14px;font-weight:800}.nav button:hover{color:var(--text);background:#ffffff0f}.nav 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