:root{--primary:#0052cc;--primary-hover:#0747a6;--bg-app:#f4f5f7;--bg-surface:#fff;--bg-sidebar:#0747a6;--text-main:#172b4d;--text-muted:#5e6c84;--border:#dfe1e6;--accent:#00b8d9;--success:#36b37e;--error:#ff5630;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--radius:8px;--font-family:"Inter", system-ui, -apple-system, sans-serif}[data-theme=dark]{--bg-app:#091e42;--bg-surface:#172b4d;--bg-sidebar:#003a6c;--text-main:#ebecf0;--text-muted:#a5adba;--border:#344563}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden}#root{height:100%}.app-container{grid-template-rows:60px 1fr;grid-template-columns:240px 1fr;height:100vh;display:grid}.top-bar{background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:10;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.sidebar{background:var(--bg-sidebar);color:#fff;flex-direction:column;gap:8px;padding:20px 0;display:flex}.main-content{background:var(--bg-app);position:relative;overflow:auto}.sidebar-item{cursor:pointer;opacity:.8;align-items:center;gap:12px;padding:12px 24px;font-weight:500;transition:background .2s;display:flex}.sidebar-item:hover{opacity:1;background:#ffffff1a}.sidebar-item.active{border-left:4px solid var(--accent);opacity:1;background:#fff3}.glass{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffb3;border:1px solid #fff3}.fade-in{animation:.3s ease-in fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}