:root {
            --sidebar-width: 250px;
            --sidebar-collapsed-width: 60px;
            --navbar-height: 56px;
        }
        
body {
    overflow-x: hidden;
}

/* Fixed top navbar */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1030;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

/* Sidebar styles */
.sidebar {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: #212529;
    transition: width 0.3s ease;
    overflow-x: hidden;
    z-index: 1020;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar .nav-link {
    color: rgba(255,255,255,.75);
    padding: 0.75rem 1rem;
    white-space: nowrap;
    transition: background-color 0.15s ease-in-out;
}

.sidebar .nav-link:hover {
    color: #fff;
    background-color: rgba(255,255,255,.1);
}

.sidebar .nav-link.active {
    color: #fff;
    background-color: rgba(255,255,255,.15);
}

.sidebar .nav-link i {
    width: 20px;
    margin-right: 0.75rem;
    text-align: center;
}

.sidebar.collapsed .nav-link span {
    display: none;
}

.sidebar.collapsed .nav-link {
    text-align: center;
    padding: 0.75rem 0;
}

.sidebar.collapsed .nav-link i {
    margin-right: 0;
}

/* Main content area */
.main-content {
    margin-top: var(--navbar-height);
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    padding: 2rem;
    min-height: calc(100vh - var(--navbar-height));
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

/* Toggle button */
.sidebar-toggle {
    background: none;
    border: none;
    color: rgba(255,255,255,.75);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.15s ease-in-out;
}

.sidebar-toggle:hover {
    color: #fff;
}

/* Logo styles */
.navbar-logo {
    height: 32px;
    width: auto;
}

/* Page headers */
h1 {
    font-size: 1.50rem;
    font-weight: 500;
}
/* Inline parameter/value display */
.param-value {
    font-family: 'Courier New', Consolas, monospace;
    font-size: 0.9em;
    background-color: #e9ecef;
    padding: 0.2em 0.5em;
    border-radius: 4px;
    color: #495057;
    font-weight: 500;
}
/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    
    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }
}