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ease}.sidebar-logo:hover{background-color:#f9fafb}.logo-img{width:90%;height:auto}.logo-text{display:block;font-size:12px;font-weight:700;color:#111827}.nav-menu{flex:1;padding:1rem 0}.nav-button{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1.25rem;background:transparent;border:none;color:#6b7280;font-size:15px;font-weight:500;text-align:left;cursor:pointer;transition:all .2s ease;position:relative}.nav-button:hover{background:#f3f4f6;color:#111827}.nav-button.active{background:#f3f4f6;color:#111827;font-weight:600}.nav-button.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#3b82f6}.nav-icon{font-size:20px;width:24px;text-align:center}.nav-label{flex:1}.main-content{flex:1;overflow-y:auto}.content-header{background:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 2rem;position:sticky;top:0;z-index:100}.content-body{background:linear-gradient(to 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768px){.sidebar{position:fixed;left:-240px;height:100vh;transition:left .3s ease;z-index:1000}.sidebar.open{left:0}.mobile-menu-toggle{display:block;position:fixed;top:1rem;left:1rem;z-index:1001;background:#fff;border:1px solid #e5e7eb;padding:.5rem;border-radius:6px;cursor:pointer}.overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:999}.overlay.open{display:block}}@media (min-width: 769px){.mobile-menu-toggle,.overlay{display:none}}@media (prefers-color-scheme: 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