@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Poppins", sans-serif;
    background: #eef2f7;
}

nav {
    background: linear-gradient(180deg, #5f00a8, #7b00d4, #a100ff);
    padding: 20px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 6px 0 25px rgba(0,0,0,0.25);
}

nav ul {
    list-style: none;
}

nav ul li {
    position: relative;
}

nav ul li a {
    display: block;
    padding: 12px 22px;
    font-size: 15px;
    text-decoration: none;
    color: #f1f5f9;
    transition: all 0.25s ease;
    border-left: 4px solid transparent;
}

nav ul li a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

nav ul li ul {
    background: rgba(0, 0, 0, 0.2);
    display: none;
    padding-left: 5px;
    border-radius: 6px;
    margin: 5px 10px;
}

nav ul li:hover ul {
    display: block;
}

nav ul li ul li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

nav ul li ul li a {
    padding: 10px 18px;
    font-size: 14px;
    color: #e9d8ff;
}

nav ul li ul li a:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.content {
    margin-left: 260px;
    padding: 35px;
    color: #1e293b;
}