:root{--primary-blue: #0056b3;--secondary-blue: #004494;--light-blue: #e7f1ff;--white: #ffffff;--gray-light: #f4f7f6;--gray-medium: #6c757d;--text-dark: #2d3436;--border-color: #e1e8ed;--sidebar-width: 260px;--header-height: 70px;--shadow-sm: 0 2px 4px rgba(0,0,0,.05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--gray-light);color:var(--text-dark);line-height:1.6}#app{display:flex;flex-direction:column;min-height:100vh}.main-header{height:var(--header-height);background-color:var(--white);border-bottom:1px solid var(--border-color);position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;padding:0 1.5rem}.header-container{display:flex;justify-content:space-between;align-items:center;width:100%}.header-left,.header-right{display:flex;align-items:center;gap:1.5rem}.logo-brand{font-size:1.5rem;font-weight:800;color:var(--primary-blue);text-decoration:none}.menu-toggle{background:none;border:none;cursor:pointer;color:var(--text-dark);display:none}.layout-container{display:flex;margin-top:var(--header-height);flex:1}.main-sidebar{width:var(--sidebar-width);background-color:var(--white);border-right:1px solid var(--border-color);height:calc(100vh - var(--header-height));position:fixed;overflow-y:auto;padding:1.5rem 0}.nav-group{margin-bottom:2rem}.nav-label{padding:0 1.5rem;font-size:.75rem;font-weight:700;color:var(--gray-medium);text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem}.nav-list{list-style:none}.nav-item a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--text-dark);text-decoration:none;font-weight:500;transition:all .2s;font-size:.95rem}.nav-item a:hover,.nav-item.active a{background-color:var(--light-blue);color:var(--primary-blue);border-right:3px solid var(--primary-blue)}.nav-item i,.nav-item svg{width:18px;height:18px}.main-content{flex:1;margin-left:var(--sidebar-width);padding:2rem}.card{background:var(--white);border-radius:10px;padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);margin-bottom:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s;border:none;font-size:.9rem}.btn-primary{background:var(--primary-blue);color:#fff}.btn-primary:hover{background:var(--secondary-blue)}.badge{padding:.25rem .75rem;border-radius:999px;font-size:.75rem;font-weight:700}@media (max-width: 992px){.main-sidebar{transform:translate(-100%);transition:transform .3s}.main-sidebar.open{transform:translate(0)}.main-content{margin-left:0}.menu-toggle{display:block}}