:root {
    --primary-color-light: #333;
    --background-color-light: #f0f0f0;
    --container-background-light: #fff;
    --button-background-light: #ddd;
    --button-hover-background-light: #ccc;
    --ball-color-light: #f0f0f0;

    --primary-color-dark: #f0f0f0;
    --background-color-dark: #1a1a1a;
    --container-background-dark: #2a2a2a;
    --button-background-dark: #4a4a4a;
    --button-hover-background-dark: #5a5a5a;
    --ball-color-dark: #f0f0f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

body.light-mode {
    background: var(--background-color-light);
    color: var(--primary-color-light);
}

body.dark-mode {
    background: var(--background-color-dark);
    color: var(--primary-color-dark);
    --noise-texture: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><filter id="n" x="0" y="0"><feTurbulence type="fractalNoise" baseFrequency=".9" numOctaves="3" stitchTiles="stitch"/></filter><rect width="100" height="100" filter="url(%23n)" opacity=".1"/></svg>');
    background-image: var(--noise-texture), linear-gradient(to bottom right, #1a1a1a, #0d0d0d);
}

.container {
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 6px 6px rgba(0, 0, 0, 0.23);
    max-width: 500px;
    width: 90%;
    transition: background-color 0.3s;
}

body.light-mode .container {
    background: var(--container-background-light);
}

body.dark-mode .container {
    background: var(--container-background-dark);
}

h1 {
    margin-bottom: 2rem;
    font-size: 2.5rem;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.number {
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    box-shadow: 0 5px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s;
}

body.light-mode .number {
    background-color: var(--ball-color-light);
}

body.dark-mode .number {
    background-color: var(--ball-color-dark);
    color: var(--primary-color-light);
}

#generate-btn {
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

body.light-mode #generate-btn {
    background-color: var(--button-background-light);
    color: var(--primary-color-light);
}

body.dark-mode #generate-btn {
    background-color: var(--button-background-dark);
    color: var(--primary-color-dark);
}

#generate-btn:hover {
    transform: translateY(-2px);
}

body.light-mode #generate-btn:hover {
    background-color: var(--button-hover-background-light);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.13);
}

body.dark-mode #generate-btn:hover {
    background-color: var(--button-hover-background-dark);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1), 0 6px 6px rgba(255, 255, 255, 0.13);
}

#generate-btn:active {
    transform: translateY(0) scale(0.95);
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
}

.number.generated {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    animation: pop-in 0.5s ease;
}

@keyframes pop-in {
    0% {
        transform: scale(0);
    }
    60% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

#theme-toggle-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-container {
    margin-top: 3rem;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 6px 6px rgba(0, 0, 0, 0.23);
    max-width: 500px;
    width: 90%;
    transition: background-color 0.3s;
}

body.light-mode .form-container {
    background: var(--container-background-light);
    color: var(--primary-color-light);
}

body.dark-mode .form-container {
    background: var(--container-background-dark);
    color: var(--primary-color-dark);
}

.form-container h2 {
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    color: inherit; /* Inherit color from parent container */
}

.form-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.form-container label {
    font-weight: bold;
    margin-bottom: 0.2rem;
    color: inherit;
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container textarea {
    padding: 0.8rem;
    border-radius: 0.5rem;
    border: 1px solid var(--button-background-light); /* Use a subtle border */
    font-size: 1rem;
    background-color: var(--background-color-light); /* Use light mode background for inputs */
    color: var(--primary-color-light); /* Use light mode text color for inputs */
    transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}

body.dark-mode .form-container input[type="text"],
body.dark-mode .form-container input[type="email"],
body.dark-mode .form-container textarea {
    border: 1px solid var(--button-background-dark);
    background-color: var(--button-background-dark); /* Darker input background for dark mode */
    color: var(--primary-color-dark);
}

.form-container input[type="text"]:focus,
.form-container input[type="email"]:focus,
.form-container textarea:focus {
    outline: none;
    border-color: #69c8f2; /* A nice blue focus color */
    box-shadow: 0 0 0 2px rgba(105, 200, 242, 0.5);
}

.form-container button[type="submit"] {
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    margin-top: 1rem; /* Space above the button */
}

body.light-mode .form-container button[type="submit"] {
    background-color: var(--button-background-light);
    color: var(--primary-color-light);
}

body.dark-mode .form-container button[type="submit"] {
    background-color: var(--button-background-dark);
    color: var(--primary-color-dark);
}

.form-container button[type="submit"]:hover {
    transform: translateY(-2px);
}

body.light-mode .form-container button[type="submit"]:hover {
    background-color: var(--button-hover-background-light);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.13);
}

body.dark-mode .form-container button[type="submit"]:hover {
    background-color: var(--button-hover-background-dark);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1), 0 6px 6px rgba(255, 255, 255, 0.13);
}

.form-container button[type="submit"]:active {
    transform: translateY(0) scale(0.95);
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.2);
}