.sidebar{width:280px;max-width:85vw;background:linear-gradient(180deg,#0f172a,#1e293b);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;left:0;top:0;height:100vh;box-shadow:4px 0 24px #0006;z-index:1000;overflow-y:auto;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.sidebar--open{transform:translate(0)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:999;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.sidebar-overlay--visible{opacity:1;visibility:visible}.hamburger-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;padding:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;transition:all .2s ease;flex-shrink:0}.hamburger-btn:hover{background:#ffffff1a;border-color:#3b82f680}.hamburger-btn--active{background:#3b82f633;border-color:#3b82f680}.hamburger-line{width:20px;height:2px;background:#e2e8f0;border-radius:2px;transition:all .3s ease}.hamburger-btn--active .hamburger-line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger-btn--active .hamburger-line:nth-child(2){opacity:0}.hamburger-btn--active .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.sidebar-close-btn{position:absolute;top:1rem;right:1rem;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#94a3b8;cursor:pointer;transition:all .2s ease}.sidebar-close-btn:hover{background:#ef444433;border-color:#ef444480;color:#f87171}.sidebar-header{padding:3.5rem 1.5rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.1);font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:.75rem;flex-direction:column;position:relative}.sidebar-header-icon{width:36px;height:36px;background:linear-gradient(135deg,#0550ca,#0a3d7b);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 -4px 13px #27e50b82,0 4px 18px #f9050563}.sidebar-nav{flex:1;display:flex;flex-direction:column;padding:1rem 0}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:#f3f4f6b3;text-decoration:none;transition:all .2s;border-left:3px solid transparent;cursor:pointer}.nav-item:hover{background:#ffffff0d;color:var(--sidebar-text)}.nav-item.active{background:#3b82f626;color:var(--primary-color);border-left-color:var(--primary-color)}.nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center}.sidebar-footer{padding:1rem;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:.5rem}.user-info{font-size:.875rem;padding:.75rem;background:#ffffff0d;border-radius:6px}.logout-btn{background:#ef4444;color:#fff;border:none;padding:.75rem;border-radius:6px;cursor:pointer;font-weight:500;transition:background .2s}.logout-btn:hover{background:#dc2626}.top-bar{background:linear-gradient(90deg,#1f2937,#111827);border-bottom:2px solid rgba(59,130,246,.3);padding:.75rem 1rem;box-shadow:0 4px 12px #00000026;display:flex;align-items:center;justify-content:space-between}.top-bar-title{font-size:1.5rem;font-weight:700;color:#fff;letter-spacing:.05em;background:linear-gradient(135deg,#f9fafb,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.top-bar-controls{display:flex;align-items:center;gap:1.5rem}.footer{background:var(--nc-muted-50);color:var(--nc-text-700);padding:.75rem 1rem;margin-top:auto;border-top:1px solid var(--nc-border)}.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;font-size:.875rem}.footer-section h3,.footer-section h4{font-size:1rem;font-weight:600;margin-bottom:.75rem;color:var(--nc-text-900)}.footer-section p{font-size:.875rem;color:var(--nc-text-500);line-height:1.5}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section li{margin-bottom:.5rem}.footer-section a{color:#f3f4f6b3;text-decoration:none;font-size:.875rem;transition:color .2s}.footer-section a:hover{color:#3b82f6}@media (max-width: 768px){.footer{padding:1.5rem}.footer-content{grid-template-columns:1fr;gap:1.5rem}.top-bar{padding:.5rem .75rem}.top-bar-title{font-size:1.25rem}.hamburger-btn{width:36px;height:36px;padding:6px}.hamburger-line{width:18px}}