:root {
    --bg-color: #2c3e50;
    --text-color: white;
    --lotto-bg-color: #34495e;
    --btn-bg-color: #e67e22;
    --btn-hover-bg-color: #d35400;
    --form-bg-color: #34495e;
    --form-text-color: white;
    --input-border-color: #555;
    --input-focus-border-color: #e67e22;
}

body.light-mode {
    --bg-color: #ecf0f1;
    --text-color: #2c3e50;
    --lotto-bg-color: #bdc3c7;
    --btn-bg-color: #3498db;
    --btn-hover-bg-color: #2980b9;
    --form-bg-color: #ffffff;
    --form-text-color: #333;
    --input-border-color: #ddd;
    --input-focus-border-color: #3498db;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

header h1 {
    font-size: 3em;
    margin-bottom: 1em;
}

.lotto-display {
    display: flex;
    margin-bottom: 2em;
}

.lotto-number {
    background-color: var(--lotto-bg-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    margin: 0 10px;
    transition: background-color 0.3s;
}

#generate-btn {
    background-color: var(--btn-bg-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

#generate-btn:hover {
    background-color: var(--btn-hover-bg-color);
}

#theme-toggle-btn {
    background-color: var(--btn-bg-color);
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
    margin-top: 1em;
}

#theme-toggle-btn:hover {
    background-color: var(--btn-hover-bg-color);
}

footer {
    margin-top: 2em;
    font-size: 0.8em;
}

/* Styles for the contact form */
#contact-form-section {
    margin-top: 4em;
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

#contact-form-section .container {
    background-color: var(--form-bg-color);
    color: var(--form-text-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px; /* Adjust as needed */
    margin-bottom: 2em;
    transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}

#contact-form-section h2 {
    text-align: center;
    color: var(--form-text-color);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    background-color: var(--bg-color); /* Use general bg color for inputs */
    color: var(--text-color); /* Use general text color for inputs */
    transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: var(--input-focus-border-color);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

#contact-form-section button[type="submit"] {
    background-color: var(--btn-bg-color);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    width: 100%;
    transition: background-color 0.3s ease;
}

#contact-form-section button[type="submit"]:hover {
    background-color: var(--btn-hover-bg-color);
}