/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f7f6;
    color: #333;
}

/* Header and Navigation */
header {
    background-color: #fff;
    padding: 1rem 0;
    border-bottom: 1px solid #e6e6e6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

nav a {
    color: #333;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav a:hover,
nav a.active {
    background-color: #f4f7f6;
}

/* Main Content */
main {
    padding: 2rem 1rem;
    text-align: center;
}

.container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    text-align: center;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1rem;
}

/* Messages */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    font-size: 1rem;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Links and Buttons */
a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
    text-decoration: none;
}


/* Footer */
footer {
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #888;
}