/* =============================
   General Page Styles
   ============================= */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

/* =============================
   Header Styles
   ============================= */
header {
    width: 100%;
    background-color: #a8d0e6;
    color: #333;
    text-align: center;
    padding: 20px 0;
    margin: 0;
}

/* =============================
   Navigation Styles
   ============================= */
nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 25%;
    height: calc(100vh - 160px);
    padding: 20px;
    margin: 0;
    box-sizing: border-box;
    background-color: #d3d3d3;
    overflow-y: auto;
}

nav ul {
    padding: 0;
    margin: 0;
}

nav ul li {
    list-style: none;
    margin: 10px 0;
}

nav ul li a {
    color: #333;
    text-decoration: none;
    font-weight: normal;
    padding: 8px 0;
    display: block;
    transition: all 0.3s ease;
}

/* Hover effect for links */
nav ul li a:hover {
    color: #0066cc;
    text-decoration: underline;
}

/* =============================
   Main Content Styles
   ============================= */
main {
    margin-left: 25%;
    margin-top: 80px;
    margin-bottom: 80px;
    width: 75%;
    padding: 20px;
    box-sizing: border-box;
    background-color: white;
}

/* =============================
   Footer Styles
   ============================= */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #a8d0e6;
    color: #333;
    text-align: center;
    padding: 20px 0;
    margin: 0;
}