body {
    font-family: 'Segoe UI', sans-serif;
    background: #f4f6f9;
}



/* Sidebar */
.sidebar {
    width: 250px;
    height: 100vh;
    background: linear-gradient(180deg, #7ac5d8, #a7c7e7);
    position: fixed;
    top: 0;
    left: 0;
    transition: all 0.3s ease;
}

.sidebar-logo {
    text-align: center;
    margin-bottom: 30px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
}

.sidebar-menu li {
    margin-bottom: 15px;
}

.sidebar-menu li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    display: block;
    padding: 8px;
    border-radius: 8px;
    transition: 0.3s;
}

.sidebar-menu li a:hover {
    background: rgba(255,255,255,0.6);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    transition: all 0.3s ease;
}

.topbar {
    background: #49a9c5;
    padding: 15px;
    color: white;
}

.content-area {
    padding: 30px;
}
.sidebar.collapsed {
    width: 70px;
}

.main-content.expanded {
    margin-left: 70px;
}