:root{--sb-topnav-height:56px;--sb-sidenav-width:260px;--sb-sidenav-dark-bg:#34495e;--sb-sidenav-dark-color:#ecf0f1;--sb-sidenav-dark-active-color:#3498db;--sb-sidenav-dark-hover-color:#5dade2;--sb-sidenav-menu-heading-color:rgba(255,255,255,0.75);--sb-sidenav-menu-nested-bg:#2c3e50}html{position:relative;min-height:100vh}body{margin:0;background-color:#f8f9fa;font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}.sb-topnav{padding-left:0;height:var(--sb-topnav-height);z-index:1039;background-color:var(--sb-sidenav-dark-bg)!important;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.sb-topnav .navbar-brand{width:var(--sb-sidenav-width);padding:0.875rem 1.125rem;color:var(--sb-sidenav-dark-active-color);font-weight:600;letter-spacing:0.5px}.sb-topnav .navbar-nav .nav-item .nav-link{color:var(--sb-sidenav-dark-color);transition:color 0.2s ease}.sb-topnav .navbar-nav .nav-item .nav-link:hover{color:var(--sb-sidenav-dark-hover-color)}.sb-topnav .navbar-nav .nav-item.dropdown .dropdown-menu{right:0;left:auto;border-radius:0.375rem;box-shadow:0 0.5rem 1rem rgba(0,0,0,.15);border:none}.sb-topnav .btn-link{color:var(--sb-sidenav-dark-color);transition:color 0.2s ease}.sb-topnav .btn-link:hover{color:var(--sb-sidenav-dark-hover-color)}#layoutSidenav{display:flex}#layoutSidenav #layoutSidenav_nav{flex-basis:var(--sb-sidenav-width);flex-shrink:0;transition:transform 0.3s ease-in-out;z-index:1038;background-color:var(--sb-sidenav-dark-bg);box-shadow:2px 0 8px rgba(0,0,0,0.1)}#layoutSidenav #layoutSidenav_content{position:relative;display:flex;flex-direction:column;min-height:calc(100vh - var(--sb-topnav-height));overflow-x:hidden;flex-grow:1}.sb-sidenav{display:flex;flex-direction:column;height:100%;color:var(--sb-sidenav-dark-color)}.sb-sidenav .sb-sidenav-menu{flex-grow:1;padding:0.5rem 0}.sb-sidenav .sb-sidenav-menu .nav{flex-direction:column}.sb-sidenav .sb-sidenav-menu .nav .sb-sidenav-menu-heading{padding:1.5rem 1.25rem 0.75rem;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05rem;color:var(--sb-sidenav-menu-heading-color)}.sb-sidenav .sb-sidenav-menu .nav .nav-link{display:flex;align-items:center;padding:0.875rem 1.25rem;color:var(--sb-sidenav-dark-color);border-radius:0.375rem;margin:0.125rem 0.75rem;transition:all 0.2s ease;text-decoration:none}.sb-sidenav .sb-sidenav-menu .nav .nav-link:hover{color:var(--sb-sidenav-dark-hover-color);background-color:rgba(255,255,255,0.1);transform:translateX(2px)}.sb-sidenav .sb-sidenav-menu .nav .nav-link.active{color:var(--sb-sidenav-dark-active-color);background-color:rgba(52,152,219,0.15);font-weight:500;border-left:3px solid var(--sb-sidenav-dark-active-color)}.sb-sidenav .sb-sidenav-menu .nav .nav-link .sb-nav-link-icon{margin-right:0.875rem;font-size:1rem;width:1.25rem;text-align:center}.sb-sidenav .sb-sidenav-menu .nav .nav-link .sb-sidenav-collapse-arrow{display:inline-block;margin-left:auto;transition:transform 0.2s ease}.sb-sidenav .sb-sidenav-menu .nav .nav-link.collapsed .sb-sidenav-collapse-arrow{transform:rotate(-90deg)}.sb-sidenav .sb-sidenav-menu .nav .sb-sidenav-menu-nested{flex-direction:column;background-color:var(--sb-sidenav-menu-nested-bg);border-radius:0.375rem;margin:0.25rem 0.75rem;overflow:hidden}.sb-sidenav .sb-sidenav-menu .nav .sb-sidenav-menu-nested .nav-link{padding-left:3.5rem;margin:0;border-radius:0;border-left:none}.sb-sidenav .sb-sidenav-menu .nav .sb-sidenav-menu-nested .nav-link:hover{background-color:rgba(255,255,255,0.08);transform:none}.sb-sidenav .sb-sidenav-menu .nav .sb-sidenav-menu-nested .nav-link.active{background-color:rgba(52,152,219,0.2);border-left:3px solid var(--sb-sidenav-dark-active-color)}.sb-sidenav .sb-sidenav-footer{padding:1rem 1.25rem;background-color:rgba(0,0,0,0.1);border-top:1px solid rgba(255,255,255,0.1);font-size:0.875rem;color:var(--sb-sidenav-dark-color)}@media (max-width:991.98px){#layoutSidenav #layoutSidenav_nav{position:fixed;top:var(--sb-topnav-height);left:0;width:var(--sb-sidenav-width);height:calc(100vh - var(--sb-topnav-height));transform:translateX(-100%);z-index:1037}#layoutSidenav #layoutSidenav_content{margin-left:0}body.sb-sidenav-toggled #layoutSidenav #layoutSidenav_nav{transform:translateX(0)}body.sb-sidenav-toggled::before{content:'';position:fixed;top:var(--sb-topnav-height);left:0;width:100%;height:calc(100vh - var(--sb-topnav-height));background-color:rgba(0,0,0,0.5);z-index:1036}.sb-topnav .navbar-brand{width:auto;padding:0.875rem 1rem}}@media (min-width:992px){#layoutSidenav #layoutSidenav_nav{position:relative;transform:translateX(0)}body.sb-sidenav-toggled #layoutSidenav #layoutSidenav_nav{transform:translateX(-100%)}body.sb-sidenav-toggled #layoutSidenav #layoutSidenav_content{margin-left:0}}.card{border:none;border-radius:0.5rem;box-shadow:0 0.125rem 0.25rem rgba(0,0,0,0.075);transition:box-shadow 0.2s ease}.card:hover{box-shadow:0 0.25rem 0.5rem rgba(0,0,0,0.1)}.card-header{border-bottom:1px solid rgba(0,0,0,0.125);background-color:#fff;color:#495057;font-weight:600;font-size:1.1rem;padding:1rem 1.25rem}.breadcrumb-item.active{color:#6c757d}.card.bg-primary{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)!important}.card.bg-success{background:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%)!important}.card.bg-danger{background:linear-gradient(135deg,#fa709a 0%,#fee140 100%)!important}.card.bg-info{background:linear-gradient(135deg,#a8edea 0%,#fed6e3 100%)!important}.card.bg-primary h5,.card.bg-primary p,.card.bg-success h5,.card.bg-success p,.card.bg-danger h5,.card.bg-danger p,.card.bg-info h5,.card.bg-info p{color:white!important;text-shadow:0 1px 2px rgba(0,0,0,0.1)}.card-footer a{color:rgba(255,255,255,0.9)!important;text-decoration:none;transition:color 0.2s ease}.card-footer a:hover{color:rgba(255,255,255,1)!important}.badge.bg-primary{background-color:var(--sb-sidenav-dark-active-color)!important}.badge.bg-success{background-color:#28a745!important}.badge.bg-danger{background-color:#dc3545!important}.badge.bg-warning{background-color:#ffc107!important;color:#212529!important}.badge.bg-info{background-color:#17a2b8!important}.badge.bg-secondary{background-color:#6c757d!important}*{transition:all 0.2s ease}.sb-sidenav::-webkit-scrollbar{width:6px}.sb-sidenav::-webkit-scrollbar-track{background:rgba(255,255,255,0.1)}.sb-sidenav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.2);border-radius:3px}.sb-sidenav::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.3)}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(120deg,#e0eafc,#cfdef3);position:relative}.login-wrapper{width:100%;max-width:420px;background:#fff;border-radius:20px;padding:2rem;box-shadow:0 10px 25px rgba(0,0,0,0.1);position:relative;z-index:2;animation:fadeInUp 0.6s ease-out}@keyframes fadeInUp{from{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.login-header{text-align:center;margin-bottom:1.5rem}.login-header i{font-size:3rem;color:#3498db;margin-bottom:0.5rem}.login-header h1{font-size:1.5rem;font-weight:600;color:#2c3e50}.login-header p{font-size:0.9rem;color:#7f8c8d}.form-control{padding:0.75rem 1rem;border-radius:10px;border:1px solid #ccc}.form-control:focus{border-color:#3498db;box-shadow:0 0 0 3px rgba(52,152,219,0.15)}.btn-login{width:100%;padding:0.75rem;background:#3498db;color:#fff;border:none;border-radius:10px;font-weight:600;transition:all 0.3s ease}.btn-login:hover{background:#2980b9}.alert-error{background:#fdecea;color:#e74c3c;border-left:5px solid #e74c3c;border-radius:10px;padding:0.75rem 1rem;font-size:0.9rem;margin-bottom:1rem}.forgot-password{text-align:center;margin-top:1.25rem}.forgot-password a{font-size:0.85rem;color:#3498db;text-decoration:none}.forgot-password a:hover{text-decoration:underline}