*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f5f6fa;--sidebar-bg:#1e1e2e;--sidebar-text:#cdd6f4;--sidebar-active:#89b4fa;--card-bg:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--primary:#3b82f6;--primary-hover:#2563eb;--danger:#ef4444;--warning:#f59e0b;--success:#22c55e;--orange:#f97316;--radius:8px;--shadow:0 1px 3px #00000014}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}button{cursor:pointer;font-family:inherit;font-size:14px}.loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.layout{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--sidebar-bg);width:220px;color:var(--sidebar-text);flex-direction:column;flex-shrink:0;display:flex}.sidebar-logo{color:#fff;border-bottom:1px solid #ffffff1a;padding:20px 16px 16px;font-size:16px;font-weight:700}.sidebar-logo span{color:var(--sidebar-active)}.sidebar-nav{flex:1;padding:12px 0}.sidebar-nav a,.sidebar-nav button{color:var(--sidebar-text);text-align:left;background:0 0;border:none;border-radius:0;align-items:center;gap:10px;width:100%;padding:10px 16px;font-size:14px;text-decoration:none;transition:background .15s;display:flex}.sidebar-nav a:hover,.sidebar-nav button:hover{background:#ffffff12}.sidebar-nav a.active{color:var(--sidebar-active);border-left:3px solid var(--sidebar-active);background:#89b4fa26}.sidebar-section{text-transform:uppercase;letter-spacing:.05em;color:#cdd6f466;margin-top:8px;padding:4px 16px 2px;font-size:11px}.sidebar-footer{color:#cdd6f480;border-top:1px solid #ffffff1a;padding:12px 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