body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: #FAFBFC;
    color: #172B4D;
}
.navbar {
    background-color: #0052CC !important;
}
.navbar-brand, .navbar-nav .nav-link {
    color: #FFFFFF !important;
}
.card {
    border: 1px solid #DFE1E6;
    border-radius: 3px;
    box-shadow: 0 1px 1px rgba(9, 30, 66, 0.25), 0 0 1px rgba(9, 30, 66, 0.31);
}
.card-header {
    background-color: #FFFFFF;
    border-bottom: 1px solid #DFE1E6;
    font-weight: 500;
}
.form-control, .form-select {
    background-color: #FAFBFC;
    border: 2px solid #DFE1E6;
    border-radius: 3px;
    color: #172B4D;
}
.form-control:focus, .form-select:focus {
    background-color: #FFFFFF;
    border-color: #4C9AFF;
    box-shadow: none;
}
.btn-primary, .btn-success {
    background-color: #0052CC;
    border-color: #0052CC;
    border-radius: 3px;
    font-weight: 500;
}
.btn-primary:hover, .btn-success:hover {
    background-color: #0047B3;
    border-color: #0047B3;
}
.btn-outline-light {
    border: none;
}
.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}
.table {
    color: #172B4D;
}
.table-light th {
    background-color: #F4F5F7;
    border-bottom: 2px solid #DFE1E6;
    color: #5E6C84;
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 600;
}
.badge {
    border-radius: 3px;
}
a {
    color: #0052CC;
}
a:hover {
    color: #0047B3;
}
/* Sidebar layout */
.app-container {
    display: flex;
    min-height: calc(100vh - 56px);
    position: relative;
    overflow-x: hidden;
}
.sidebar {
    width: 260px;
    background-color: #F4F5F7;
    border-right: 1px solid #DFE1E6;
    padding: 20px 0;
    flex-shrink: 0;
    position: absolute;
    height: 100%;
    z-index: 1040;
    left: 0;
    top: 0;
    transform: translateX(0);
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px rgba(9, 30, 66, 0.15);
}
.sidebar.collapsed {
    transform: translateX(-100%);
}
.sidebar-title {
    font-size: 12px;
    text-transform: uppercase;
    color: #5E6C84;
    font-weight: 700;
    padding: 0 20px 10px;
    margin-top: 15px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    white-space: nowrap;
    padding: 10px 20px;
    color: #172B4D;
    text-decoration: none;
    font-weight: 500;
    border-left: 3px solid transparent;
}
.sidebar-link:hover, .sidebar-link.active {
    background-color: #EBECF0;
    color: #0052CC;
    text-decoration: none;
    border-left: 3px solid #0052CC;
}
.sidebar-link i {
    margin-right: 15px;
    font-size: 1.1rem;
    color: #42526E;
}
.sidebar-link:hover i, .sidebar-link.active i {
    color: #0052CC;
}
.main-content {
    flex-grow: 1;
    padding: 30px;
    background-color: #FFFFFF;
    width: 100%;
}
#sidebarToggle {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    margin-right: 15px;
    cursor: pointer;
}
#sidebarToggle:hover {
    color: #DFE1E6;
}