@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
    --bg-color-light: #f0f0f0;
    --text-color-light: #333;
    --container-bg-light: #fff;
    --container-shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
    --h1-color-light: #000;
    --btn-bg-light: linear-gradient(45deg, #3a7bd5, #3a6073);
    --btn-shadow-light: 0 8px 25px rgba(58, 123, 213, 0.4);

    --bg-color-dark: #1a1a1a;
    --text-color-dark: #fff;
    --container-bg-dark: #2c2c2c;
    --container-shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
    --h1-color-dark: #ffffff;
    --btn-bg-dark: linear-gradient(45deg, #f857a6, #ff5858);
    --btn-shadow-dark: 0 8px 25px rgba(248, 87, 166, 0.4);
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

body[data-theme="light"] {
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    background-image: none;
}

body[data-theme="dark"] {
    background-color: var(--bg-color-dark);
    color: var(--text-color-dark);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4' viewBox='0 0 4 4'%3E%3Cpath fill='%23333333' fill-opacity='0.4' d='M1 3h1v1H1V3zm2-2h1v1H3V1z'%3E%3C/path%3E%3C/svg%3E");
}

.container {
    text-align: center;
    padding: 50px 60px;
    border-radius: 20px;
    transition: background 0.3s, box-shadow 0.3s;
    position: relative;
}

body[data-theme="light"] .container {
    background: var(--container-bg-light);
    box-shadow: var(--container-shadow-light);
}

body[data-theme="dark"] .container {
    background: var(--container-bg-dark);
    box-shadow: var(--container-shadow-dark);
}

h1 {
    font-size: 3em;
    font-weight: 700;
    margin-bottom: 40px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
    transition: color 0.3s;
}

body[data-theme="light"] h1 {
    color: var(--h1-color-light);
    text-shadow: none;
}

body[data-theme="dark"] h1 {
    color: var(--h1-color-dark);
}

#generate-btn {
    border: none;
    color: white;
    padding: 18px 40px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 1.2em;
    font-weight: 600;
    margin-top: 40px;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
}

body[data-theme="light"] #generate-btn {
    background: var(--btn-bg-light);
    box-shadow: var(--btn-shadow-light);
}

body[data-theme="dark"] #generate-btn {
    background: var(--btn-bg-dark);
    box-shadow: var(--btn-shadow-dark);
}


#generate-btn:hover {
    transform: translateY(-3px);
}

body[data-theme="light"] #generate-btn:hover {
    box-shadow: 0 12px 35px rgba(58, 123, 213, 0.6);
}

body[data-theme="dark"] #generate-btn:hover {
     box-shadow: 0 12px 35px rgba(248, 87, 166, 0.6);
}

#generate-btn:active {
    transform: translateY(-1px);
}

body[data-theme="light"] #generate-btn:active {
    box-shadow: 0 6px 20px rgba(58, 123, 213, 0.5);
}

body[data-theme="dark"] #generate-btn:active {
    box-shadow: 0 6px 20px rgba(248, 87, 166, 0.5);
}


lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Theme Switcher */
.theme-switch-wrapper {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display:none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}