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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background: #2c3e50;
    color: white;
    padding: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem;
}

nav a:hover {
    background: #34495e;
    border-radius: 4px;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 2rem;
    padding: 1rem;
    border-radius: 8px;
    background: #f8f9fa;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

input, textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background: #3498db;
    color: white;
    padding: 0.8rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #2980b9;
}
#status-message {
    margin-bottom: 1rem;
}

#status-message p {
    padding: 0.8rem;
    border-radius: 4px;
    margin: 0;
}

button:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
}