body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #ff69b4;
    color: #fff;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 1rem;
}

nav ul li a {
    text-decoration: none;
    color: #ff69b4;
    background-color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.login-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-weight: bold;
}

input, select, textarea {
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    padding: 0.5rem 1rem;
    background-color: #ff69b4;
    border: none;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}
table, th, td {
    border: 1px solid #ccc;
}
th, td {
    padding: 0.5rem;
    text-align: left;
}

.error {
    color: red;
    margin-bottom: 1rem;
}

.message {
    color: green;
    margin-bottom: 1rem;
}