:root{--bg1: #0b1020;--bg2: #121a33;--glass: rgba(255, 255, 255, .08);--glass2: rgba(255, 255, 255, .1);--stroke: rgba(255, 255, 255, .14);--text: rgba(255, 255, 255, .92);--muted: rgba(255, 255, 255, .65);--accent: #7c5cff;--good: #22c55e;--warn: #f59e0b;--danger: #ef4444}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text);background:linear-gradient(180deg,var(--bg1),var(--bg2))}a{color:inherit}.app-bg{min-height:100vh;background:radial-gradient(1200px 800px at 20% 20%,rgba(124,92,255,.35),transparent 60%),radial-gradient(900px 600px at 80% 40%,rgba(34,197,94,.2),transparent 55%),linear-gradient(180deg,var(--bg1),var(--bg2));padding:18px}.app-shell{max-width:1280px;margin:0 auto;display:flex;gap:14px}.glass{background:var(--glass);border:1px solid var(--stroke);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 18px 60px #00000059;border-radius:18px}.sidebar{width:280px;padding:16px;display:flex;flex-direction:column;height:calc(100vh - 36px);position:sticky;top:18px}.sidebar-header{display:flex;align-items:center;gap:12px;padding:8px 6px 14px}.brand-dot{width:12px;height:12px;border-radius:999px;background:linear-gradient(135deg,var(--accent),#2dd4bf);box-shadow:0 0 18px #7c5cff8c}.brand-title{font-weight:800;letter-spacing:.2px}.brand-subtitle{color:var(--muted);font-size:12px;margin-top:2px}.nav{display:flex;flex-direction:column;gap:8px;margin-top:6px}.nav-item{text-decoration:none;color:var(--text);padding:12px;border-radius:14px;border:1px solid transparent;background:transparent}.nav-item:hover{background:#ffffff0f;border-color:#ffffff1a}.nav-item.active{background:#7c5cff2e;border-color:#7c5cff59}.sidebar-footer{margin-top:auto;padding-top:12px;display:grid;gap:10px}.user-chip{padding:10px 12px;border-radius:14px;border:1px solid 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