.app-container{display:flex;min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#e4e8eb);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.sidebar{width:280px;background:linear-gradient(180deg,#1a237e,#0d47a1);color:#fff;padding:2rem 0;box-shadow:4px 0 15px #0000001a;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.sidebar:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#64b5f6,#2196f3,#1976d2)}.sidebar-header{padding:0 2rem;margin-bottom:2.5rem;text-align:center;position:relative}.sidebar-header h1{font-size:2rem;font-weight:700;margin:0;background:linear-gradient(45deg,#fff,#e3f2fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 2px 4px rgba(0,0,0,.1)}.nav-menu{list-style:none;padding:0;margin:0}.nav-item{margin:.5rem 0;padding:0 1.5rem}.nav-link{display:flex;align-items:center;padding:1rem 1.5rem;color:#ffffffd9;text-decoration:none;border-radius:12px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;font-weight:500}.nav-link:hover{background:#ffffff26;color:#fff;transform:translate(5px);box-shadow:0 4px 12px #0000001a}.nav-link.active{background:#fff3;color:#fff;font-weight:600;box-shadow:0 4px 12px #00000026}.nav-link.active:before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:linear-gradient(to bottom,#64b5f6,#2196f3);border-radius:0 4px 4px 0}.nav-icon{margin-right:1.2rem;font-size:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);opacity:.9}.nav-link:hover .nav-icon{transform:scale(1.1) rotate(5deg);opacity:1}.main-content{flex:1;padding:2rem;overflow-y:auto;position:relative}.card{background:#fff;border-radius:20px;padding:1.8rem;box-shadow:0 4px 20px #0000000d;transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.05);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#64b5f6,#2196f3);opacity:0;transition:opacity .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001a}.card:hover:before{opacity:1}.chart-container{background:#fff;border-radius:20px;padding:1.8rem;box-shadow:0 4px 20px #0000000d;transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.05);position:relative;overflow:hidden}.chart-container:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001a}.MuiDataGrid-root{border-radius:16px;overflow:hidden;box-shadow:0 4px 20px #0000000d;transition:all .3s cubic-bezier(.4,0,.2,1);background:#fff}.MuiDataGrid-root:hover{box-shadow:0 8px 25px #0000001a}.MuiDataGrid-cell{padding:1rem!important;border-bottom:1px solid rgba(0,0,0,.05)!important}.MuiDataGrid-columnHeaders{background:#f8f9fa!important;border-bottom:2px solid rgba(0,0,0,.05)!important}.MuiButton-root{text-transform:none!important;border-radius:12px!important;padding:10px 20px!important;transition:all .3s cubic-bezier(.4,0,.2,1)!important;font-weight:500!important;letter-spacing:.5px!important}.MuiButton-contained{box-shadow:0 4px 12px #0000001a!important;background:linear-gradient(45deg,#2196f3,#1976d2)!important}.MuiButton-contained:hover{box-shadow:0 6px 15px #00000026!important;transform:translateY(-2px);background:linear-gradient(45deg,#1976d2,#1565c0)!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#888;border-radius:4px;transition:all .3s ease}::-webkit-scrollbar-thumb:hover{background:#555}@media (max-width: 768px){.sidebar{width:70px;padding:1rem 0}.sidebar-header h1,.nav-link span{display:none}.nav-icon{margin-right:0}.main-content{padding:1rem}.card,.chart-container{border-radius:16px;padding:1.2rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card,.chart-container{animation:fadeIn .5s ease-out forwards}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}