/* Sidebar */
.sidebar {
    width: 250px;
    height: calc(100vh - 56px);
    position: fixed;
    left: 0;
    top: 56px;
    transition: width 0.3s;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-collapsed .sidebar {
    width: 70px;
}

.sidebar-collapsed .sidebar-text {
    display: none;
}

.sidebar-collapsed .sidebar-arrow {
    display: none;
}

.sidebar .nav-link {
    color: rgba(255,255,255,.5);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
}

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

.sidebar .nav-link i {
    margin-right: 0.5rem;
    font-size: 1.1rem;
    min-width: 20px;
}

.sidebar .collapse {
    background-color: rgba(0, 0, 0, 0.2);
}

.sidebar .nav-item .nav {
    margin-left: 0.5rem;
    border-left: 1px solid rgba(255,255,255,0.1);
}

.sidebar .nav-item .nav .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.sidebar-arrow {
    transition: transform 0.3s;
}

.collapsed .sidebar-arrow {
    transform: rotate(-90deg);
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    .sidebar-text {
        display: none;
    }
}