:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#1f2937;background-color:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;min-width:220px;background-color:#1a1a2e;display:flex;flex-direction:column;padding:0;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 20px 24px;text-decoration:none}.sidebar-brand-icon{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#f97316,#ea580c);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;font-weight:700;flex-shrink:0}.sidebar-brand-text{font-size:15px;font-weight:700;color:#fff;line-height:1.2}.sidebar-brand-sub{font-size:10px;color:#6b7280;text-transform:uppercase;letter-spacing:.5px}.sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:0 12px;flex:1}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500;color:#9ca3af;text-decoration:none;transition:background-color .15s,color .15s}.sidebar-link:hover{background-color:#ffffff0f;color:#d1d5db}.sidebar-link.active{background-color:#f97316;color:#fff;font-weight:600}.sidebar-link-icon{font-size:16px;width:20px;text-align:center;flex-shrink:0}.sidebar-divider{height:1px;background-color:#ffffff14;margin:12px}.sidebar-section-label{font-size:11px;font-weight:600;color:#6b7280;text-transform:uppercase;letter-spacing:.5px;padding:8px 12px 4px}.sidebar-footer{padding:0;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;gap:8px}.sidebar-user-info{display:flex;align-items:center;gap:8px;min-width:0}.sidebar-user-icon{font-size:16px;flex-shrink:0}.sidebar-user-name{font-size:12px;color:#d1d5db;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-logout-btn{background:none;border:1px solid rgba(255,255,255,.15);border-radius:6px;color:#9ca3af;font-size:14px;cursor:pointer;padding:4px 8px;flex-shrink:0;transition:all .15s}.sidebar-logout-btn:hover{background:#ef444426;border-color:#ef444466;color:#fca5a5}.main-wrapper{flex:1;margin-left:220px;display:flex;flex-direction:column;min-height:100vh}.top-bar{display:flex;align-items:center;justify-content:flex-start;gap:12px;padding:12px 28px;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:50}.app-main{flex:1;background-color:#f5f5f5;padding:0}