body {
    margin: 0 auto;
    padding: 1rem;
    max-width: 1000px;
    width: 100%;
    font-family: Arial, sans-serif;
}
h1 {
    text-align: center;
}
.form-container {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
}
.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}
label {
    margin-right: 0.5rem;
}
select, button {
    margin: 0.5rem 0;
}
.status-msg {
    text-align: center;
    margin: 1rem;
    font-weight: bold;
}
#chartContainer {
    margin: 0 auto 2rem;
    text-align: center;
    max-width: 1200px;
    width: 100%;
}
#latestChart {
    width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 4px;
    transition: transform 0.3s ease;
    transform-origin: center top;
}
#zoomControls {
    text-align: center;
    margin-top: 1rem;
}
#zoomControls button {
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
}
.recommendation {
    width: 100%;
    box-sizing: border-box;
    margin: 1rem 0;
    padding: 0.75rem;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    background-color: #e6f4ea;
    border: 1px solid #d1e7dd;
    border-radius: 5px;
    color: #14532d;
    word-wrap: break-word;
}
button#analyzeBtn {
    background-color: #28a745;
    color: #fff;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    transition: transform 0.2s ease, background-color 0.2s ease;
}
button#analyzeBtn:hover {
    transform: scale(1.05);
    background-color: #218838;
}
@media (max-width: 600px) {
    .row {
        flex-direction: column;
    }
    select, button {
        width: 100%;
    }
    #chartContainer {
        max-width: 100%;
    }
}
/* Top navigation menu style */
header {
    display: flex;
    align-items: center;
    background-color: #fff;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid #e6e6e6;
    position: sticky;
    top: 0;
    z-index: 100;
}
header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
header nav ul li {
    margin-right: 1.5rem;
}
header nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 0.9rem;
}
header nav ul li a:hover {
    color: #000;
}