:root {
    --bg-color: #f0f2f5;
    --header-bg-color: #fff;
    --card-bg-color: #fff;
    --text-color: #212529;
    --subtle-text-color: #666;
    --border-color: #ddd;
    --shadow-color: rgba(0,0,0,0.1);
}

[data-theme='dark'] {
    --bg-color: #1a1a1a;
    --header-bg-color: #2b2b2b;
    --card-bg-color: #2b2b2b;
    --text-color: #e0e0e0;
    --subtle-text-color: #aaa;
    --border-color: #444;
    --shadow-color: rgba(255,255,255,0.1);
}

body {
    font-family: sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.2s, color 0.2s;
}

header {
    background-color: var(--header-bg-color);
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s, border-bottom 0.2s;
}

main {
    padding: 20px;
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    font-size: 12px;
    color: var(--subtle-text-color);
}

stock-recommendation {
    display: block;
    background-color: var(--card-bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin-bottom: 20px;
    padding: 20px;
    transition: background-color 0.2s;
}

stock-recommendation h2 {
    margin-top: 0;
}

.stock-info {
    display: flex;
    justify-content: space-between;
}

#contact-form {
    background-color: var(--card-bg-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow-color);
    margin: 20px;
    padding: 20px;
    transition: background-color 0.2s;
}

#contact-form h2 {
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

#contact-form form {
    display: flex;
    flex-direction: column;
}

#contact-form label {
    margin-bottom: 5px;
    color: var(--text-color);
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form textarea {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color); /* Use general background for input */
    color: var(--text-color);
    transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

#contact-form input[type="text"]:focus,
#contact-form input[type="email"]:focus,
#contact-form textarea:focus {
    border-color: #007bff; /* Highlight focus */
    outline: none;
}

#contact-form button[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s;
}

#contact-form button[type="submit"]:hover {
    background-color: #0056b3;
}