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

:root {
    --primary-color: #007BFF;
    --secondary-color: #FF4081;
    --background-color: #f0f2f5;
    --text-color: #333;
    --container-bg: #fff;
    --shadow-color: rgba(0, 0, 0, 0.15);
    --glow-color: rgba(0, 123, 255, 0.5);

    /* Lottery Ball Colors */
    --color-yellow: #ffc107;
    --color-blue: #007bff;
    --color-red: #dc3545;
    --color-gray: #6c757d;
    --color-green: #28a745;
    --white: #fff;
}

body.dark-mode {
    --background-color: #121212;
    --text-color: #e0e0e0;
    --container-bg: #1e1e1e;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --glow-color: rgba(0, 123, 255, 0.8);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E%3C/filter%3E");
    color: var(--text-color);
    display: grid;
    place-content: center;
    min-height: 100vh;
    margin: 0;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    background: var(--container-bg);
    padding: 3rem 4rem;
    border-radius: 1.5rem;
    box-shadow: 
        0px 2.8px 2.2px var(--shadow-color),
        0px 6.7px 5.3px var(--shadow-color),
        0px 12.5px 10px var(--shadow-color),
        0px 22.3px 17.9px var(--shadow-color),
        0px 41.8px 33.4px var(--shadow-color),
        0px 100px 80px var(--shadow-color);
    max-width: 90%;
    position: relative;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

#theme-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

#theme-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.1);
}

body.dark-mode #theme-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

#generate {
    background: linear-gradient(145deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#generate:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px var(--glow-color);
}

#numbers {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: grid;
    place-content: center;
    font-size: 1.8rem;
    font-weight: 600;
    opacity: 0;
    transform: scale(0.5) translateY(50px);
    animation: appear 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    color: var(--white); /* Text color for all balls is now white */
    border-style: solid;
    border-width: 3px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Applying colors based on classes */
.color-yellow {
    background-color: var(--color-yellow);
    border-color: #c79100;
}
.color-blue {
    background-color: var(--color-blue);
    border-color: #0056b3;
}
.color-red {
    background-color: var(--color-red);
    border-color: #a71d2a;
}
.color-gray {
    background-color: var(--color-gray);
    border-color: #494f54;
}
.color-green {
    background-color: var(--color-green);
    border-color: #1e7e34;
}

@keyframes appear {
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}