body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
}

nav {
    background-color: #333;
    padding: 10px;
    margin-bottom: 20px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

h1 {
    color: #333;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

input,
button {
    padding: 10px;
    font-size: 16px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#error {
    color: red;
}

#signals,
#optimization,
#sentiment {
    margin-top: 20px;
    padding: 15px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

ul {
    list-style: none;
    padding: 0;
}

li {
    margin-bottom: 5px;
}

.disclaimer {
    font-size: 0.9em;
    color: #555;
    margin-top: 1.5em;
    padding: 1em;
    border-left: 4px solid #ffcc00;
    background: #f9f9f9;
}

.dev-notice {
    background: #ffcc00;
    padding: 10px;
    text-align: center;
    font-size: 0.9em;
}

footer {
    margin-top: 2em;
    padding: 1em;
    text-align: center;
    font-size: 0.8em;
    color: #666;
}

footer a {
    color: #007bff;
    text-decoration: none;
}

.adsense {
    display: block;
    width: 100%;
    min-height: 80px;
    background: #ffeeba;
    color: #856404;
    border: 1px dashed #ffc107;
    text-align: center;
    line-height: 80px;
    margin-bottom: 16px;
    font-weight: bold;
}

.center-horizontal {
    display: flex;
    flex-direction: column;
    align-items: center;
}