body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6fb;
    margin: 0;
    padding: 0;
    color: #222;
}
nav {
    background: #2d3e50;
    padding: 1em 0;
    text-align: center;
    margin-bottom: 2em;
}
nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 1.5em;
    font-weight: 500;
    font-size: 1.1em;
    transition: color 0.2s;
}
nav a:hover {
    color: #ffb347;
}
.container {
    background: #fff;
    max-width: 400px;
    margin: 2em auto;
    padding: 2em 2.5em;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(44,62,80,0.08);
}
h2 {
    text-align: center;
    color: #2d3e50;
    margin-bottom: 1.5em;
}
form {
    display: flex;
    flex-direction: column;
    gap: 1em;
}
input[type="text"], input[type="password"], textarea {
    padding: 0.7em;
    border: 1px solid #cfd8dc;
    border-radius: 6px;
    font-size: 1em;
    background: #f9fafb;
}
button {
    background: #2d3e50;
    color: #fff;
    border: none;
    padding: 0.8em;
    border-radius: 6px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
button:hover {
    background: #ffb347;
    color: #222;
}
#comments {
    margin-top: 2em;
    background: #f9fafb;
    padding: 1em;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(44,62,80,0.04);
} 