:root {
    --bg-color-light: #f0f0f0;
    --text-color-light: #333;
    --container-bg-light: rgba(255, 255, 255, 0.8);
    --container-border-light: rgba(0, 0, 0, 0.1);
    --h1-shadow-light: 0 0 10px rgba(0, 0, 0, 0.2);

    --bg-color-dark: #1f2023;
    --text-color-dark: #fff;
    --container-bg-dark: rgba(0, 0, 0, 0.25);
    --container-border-dark: rgba(255, 255, 255, 0.1);
    --h1-shadow-dark: 0 0 10px rgba(73, 198, 229, 0.5),
                      0 0 20px rgba(73, 198, 229, 0.5),
                      0 0 40px rgba(73, 198, 229, 0.5);
}

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg-color-dark);
    color: var(--text-color-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    text-align: center;
    background-image: radial-gradient(circle at top right, rgba(121, 68, 154, 0.15), transparent),
                      radial-gradient(circle at bottom left, rgba(45, 128, 208, 0.15), transparent);
    transition: background 0.3s, color 0.3s;
}

body.light-mode {
    background: var(--bg-color-light);
    color: var(--text-color-light);
    background-image: none;
}

.theme-switcher-container {
    position: absolute;
    top: 20px;
    right: 20px;
}

#theme-switcher {
    background: #49c6e5;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(73, 198, 229, 0.6);
    transition: all 0.3s ease;
    outline: none;
}

#theme-switcher:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(73, 198, 229, 0.8);
}

.container {
    padding: 40px;
    border-radius: 20px;
    background: var(--container-bg-dark);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    border: 1px solid var(--container-border-dark);
    backdrop-filter: blur(10px);
    transition: background 0.3s, border 0.3s;
}

body.light-mode .container {
    background: var(--container-bg-light);
    border: 1px solid var(--container-border-light);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

h1 {
    font-size: 3em;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: var(--h1-shadow-dark);
    transition: text-shadow 0.3s;
}

body.light-mode h1 {
    text-shadow: var(--h1-shadow-light);
}

#generator-btn {
    background: #49c6e5;
    color: #fff;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 20px 0;
    cursor: pointer;
    border-radius: 50px;
    border: none;
    box-shadow: 0 0 20px rgba(73, 198, 229, 0.6);
    transition: all 0.3s ease;
    font-weight: 600;
    letter-spacing: 1px;
    outline: none;
}

#generator-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(73, 198, 229, 0.8);
}

#lotto-numbers-container {
    display: flex;
    justify-content: center;
    align-items: center; /* Vertically center the balls */
    margin-top: 40px;
    min-height: 80px; /* Adjust height to fit the new balls */
}

lotto-ball {
    margin: 0 12px; /* Increase spacing between balls */
}