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

:root {
    --background-color: #f0f0f0;
    --container-color: #ffffff;
    --text-color: #333333;
    --button-color: #4CAF50;
    --button-hover-color: #45a049;
    --ball-color-1: #f44336;
    --ball-color-2: #ff9800;
    --ball-color-3: #ffeb3b;
    --ball-color-4: #4caf50;
    --ball-color-5: #2196f3;
    --ball-color-6: #9c27b0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-image: url('https://www.transparenttextures.com/patterns/stardust.png');
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
  --background-color: #1a1a1a;
  --container-color: #2a2a2a;
  --text-color: #ffffff;
}

#app {
    text-align: center;
}

header {
    position: relative;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.lotto-container {
    background-color: var(--container-color);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 6px 6px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease;
}

.lotto-header h2 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

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

.lotto-ball {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.ball-color-1 { background-color: var(--ball-color-1); }
.ball-color-2 { background-color: var(--ball-color-2); }
.ball-color-3 { background-color: var(--ball-color-3); color: #333;}
.ball-color-4 { background-color: var(--ball-color-4); }
.ball-color-5 { background-color: var(--ball-color-5); }
.ball-color-6 { background-color: var(--ball-color-6); }

#generate-btn {
    background-color: var(--button-color);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#generate-btn:hover {
    background-color: var(--button-hover-color);
    transform: translateY(-2px);
}

#generate-btn:active {
    transform: translateY(0);
}

/* Fireworks Animation */
.fireworks {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 3px;
    height: 3px;
    background-color: #fff;
    border-radius: 50%;
    animation: fireworks-animation 1s ease-out forwards;
}

@keyframes fireworks-animation {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(20);
        opacity: 0;
    }
}

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

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

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

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

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

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

input:focus + .slider {
    box-shadow: 0 0 1px #2196F3;
}

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

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

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