:root {
    --bg-color: #f0f2f5;
    --container-bg: white;
    --text-color: #333;
    --number-bg: #4a90e2;
    --number-text: white;
    --btn-bg: #50e3c2;
    --btn-text: white;
    --btn-hover-bg: #48c9b0;
    --input-border: #ccc;
    --input-focus-border: #4a90e2;
    --success-color: #28a745;
    --error-color: #dc3545;
    --loading-color: #ffc107;
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --container-bg: #2b2b2b;
    --text-color: #f0f2f5;
    --number-bg: #3e4b5b;
    --btn-bg: #48c9b0;
    --btn-hover-bg: #50e3c2;
    --input-border: #555;
    --input-focus-border: #4a90e2;
    --success-color: #28a745;
    --error-color: #dc3545;
    --loading-color: #ffc107;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column; /* Changed to column to stack containers */
    justify-content: center;
    align-items: center;
    min-height: 100vh; /* Changed to min-height to allow content to grow */
    margin: 0;
    padding: 20px; /* Add some padding */
    box-sizing: border-box; /* Include padding in element's total width and height */
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    text-align: center;
    background: var(--container-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    margin-bottom: 20px; /* Add margin between containers */
    width: 100%;
    max-width: 500px; /* Limit width for better readability */
}

#theme-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--btn-text);
    background-color: var(--btn-bg);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

h1 {
    margin-bottom: 30px;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--number-bg);
    color: var(--number-text);
    font-size: 24px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#generate-btn {
    padding: 15px 30px;
    font-size: 18px;
    color: var(--btn-text);
    background-color: var(--btn-bg);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

/* Contact Form Specific Styles */
.contact-form-container h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--text-color);
}

.contact-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: calc(100% - 20px); /* Account for padding */
    padding: 10px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 16px;
    background-color: var(--container-bg);
    color: var(--text-color);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
    outline: none;
}

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

.contact-form .submit-btn {
    padding: 12px 25px;
    font-size: 18px;
    color: var(--btn-text);
    background-color: var(--btn-bg);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-top: 15px;
    width: auto; /* Override container's text-align center */
    display: inline-block; /* Allow padding and margin */
}

.contact-form .submit-btn:hover {
    background-color: var(--btn-hover-bg);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Form Messages Styles */
#form-messages {
    margin-top: 20px;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#form-messages.success {
    background-color: #d4edda;
    color: var(--success-color);
    border: 1px solid var(--success-color);
    opacity: 1;
    transform: translateY(0);
}

#form-messages.error {
    background-color: #f8d7da;
    color: var(--error-color);
    border: 1px solid var(--error-color);
    opacity: 1;
    transform: translateY(0);
}

#form-messages.loading {
    background-color: #fff3cd;
    color: var(--loading-color);
    border: 1px solid var(--loading-color);
    opacity: 1;
    transform: translateY(0);
}