body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #0d0f16;
    color: white;
}

.sidebar {
    width: 260px;
    height: 100vh;
    background: #0f1324;
    border-right: 2px solid #1e2337;
    position: fixed;
    top: 0;
    left: 0;
    padding-top: 20px;
}

.logo-box {
    text-align: center;
    margin-bottom: 40px;
}

.logo-box .logo {
    width: 80px;
}

.logo-box h2 {
    margin: 10px 0 0;
    color: #f8d45a;
    font-size: 20px;
    letter-spacing: 1px;
}

.nav {
    list-style: none;
    padding: 0;
}

.nav li {
    margin: 12px 0;
}

.nav a {
    display: block;
    padding: 12px 20px;
    color: #b7bed3;
    text-decoration: none;
    font-size: 16px;
    border-left: 4px solid transparent;
    transition: 0.25s;
}

.nav a:hover {
    background: #1a2137;
    border-left: 4px solid #f8d45a;
    color: #ffffff;
}

.nav a.active {
    background: #1a2137;
    border-left: 4px solid #f8d45a;
    color: white;
}

.content {
    margin-left: 260px;
    padding: 40px;
}