html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background: #f3f3f3;
    color: #333;
}

main {
    flex: 1;
    padding: 20px;
    padding-bottom: 60px;
}

header {
    background: rgba(255, 20, 147, 0.53);
    color: #fff;
    text-align: center;
    padding: 10px 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0.54);
}

nav ul li a {
    color: rgba(255, 20, 147, 0.9);
    text-decoration: none;
    padding: 10px 15px;
    display: block;
    border-radius: 5px;
}

nav ul li a:hover {
    background: rgba(255, 20, 147, 0.53);
    color: white;
}

table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
    font-size: 16px;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

th {
    background: rgba(255, 20, 147, 0.53);
    color: white;
    padding: 10px;
}

td {
    border: 1px solid #444;
    padding: 8px;
    text-align: center;
}

tr:nth-child(even) td {
    background: #f9f9f9;
}

button, .btn {
    background: rgba(255, 20, 147, 0.53);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s ease;
}

button:hover, .btn:hover {
    background: rgba(255, 20, 147, 0.7);
}


footer {
    background: rgba(255, 20, 147, 0.53);
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}