:root {
    --primary: #673DE6;
    --secondary: #4B2BBF;
    --light: #f8f9fc;
    --dark: #2c3e50;
}

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--light);
    margin: 0;
    padding: 0;
}

.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--primary) 10%, var(--secondary) 100%);
    color: white;
    position: fixed;
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 20px;
}

.sidebar img {
    width: 60px;
    margin-bottom: 20px;
}

.sidebar .nav {
    flex-grow: 1;
}

.sidebar .nav-link {
    color: white;
    text-align: center;
    padding: 20px 0;
    display: flex;
    justify-content: center;
}

.sidebar .nav-link.active, .sidebar .nav-link:hover {
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
}

.content {
    margin-left: 80px;
    padding: 20px;
}