#app-container {
    display: flex;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile browsers */
    overflow: hidden;
}

#sidebar {
    width: 250px;
    background: var(--gray-800);
    color: var(--white);
    transition: all 0.3s;
    overflow-y: auto;
    height: 100%; /* Inherit container height */
}

.sidebar-header {
    padding: 20px;
    background: #4a5568;
    text-align: center;
}

#sidebar ul.components {
    padding: 20px 0;
    border-bottom: 1px solid #47748b;
}

#sidebar ul li a {
    padding: 15px 20px;
    font-size: 1.1em;
    display: block;
    color: var(--gray-200);
    text-decoration: none;
    transition: all 0.2s;
}

#sidebar ul li a:hover {
    color: var(--primary-blue);
    background: var(--white);
}

#sidebar ul li a.active {
    color: var(--white);
    background: var(--primary-blue);
}

#sidebar ul li a i {
    margin-right: 10px;
}

#content {
    width: calc(100% - 250px);
    padding: 20px;
    transition: all 0.3s;
    overflow-y: auto;
    height: 100%; /* Inherit container height */
}

#main-header {
    background: var(--white);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
}

#sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-blue);
    padding: 0;
}

#main-content {
    display: grid;
    gap: 20px;
}

/* Collapsed Sidebar Styles */
#app-container.sidebar-collapsed #sidebar {
    width: 80px;
}

#app-container.sidebar-collapsed #sidebar .sidebar-header h3,
#app-container.sidebar-collapsed #sidebar ul li a span {
    display: none;
}

#app-container.sidebar-collapsed #sidebar ul li a {
    text-align: center;
    padding: 15px 10px;
}

#app-container.sidebar-collapsed #sidebar ul li a i {
    margin-right: 0;
    font-size: 1.4em;
}

#app-container.sidebar-collapsed #content {
    width: calc(100% - 80px);
}