/* Sidebar Base */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100%;
    background: #2c3e50;
    color: #fff;
    padding-top: 20px;
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 20px;
    color: #fff;
}

.sidebar .close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    display: none; /* Only visible on mobile */
}

/* Sidebar Menu */
.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu li {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #ecf0f1;
    text-decoration: none;
    transition: background 0.3s;
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-menu i {
    margin-right: 12px;
    font-size: 16px;
}

.menu-header {
    padding: 10px 20px;
    font-size: 13px;
    text-transform: uppercase;
    color: #bdc3c7;
    font-weight: bold;
    margin-top: 10px;
}

.sidebar-footer {
    margin-top: 20px;
}

.logout-btn {
    background: #e74c3c;
    color: #fff !important;
    border-radius: 4px;
    margin: 10px 20px;
    padding: 10px;
    text-align: center;
    display: block;
}

.logout-btn:hover {
    background: #c0392b;
}

/* Mobile Behavior */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .sidebar .close-btn {
        display: block;
    }
}

/* Main Content Push (optional) */
.main-content {
    margin-left: 25px;
    padding: 20px;
    transition: margin-left 0.3s;
}
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
    }
}