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

:root {
    --primary-color: #FF6B6B;
    --secondary-color: #FFE66D;
    --background-color: #F0F0F0;
    --text-color: #333;
    --white: #fff;
    --container-bg: #fff;
}

body.dark-mode {
    --primary-color: #FF8787;
    --secondary-color: #FFD93D;
    --background-color: #1a1a1a;
    --text-color: #f0f0f0;
    --white: #2d2d2d;
    --container-bg: #333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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;
    background-image: linear-gradient(to right top, #d16ba5, #c777b9, #ba83ca, #aa8fd8, #9a9ae1, #8aa7ec, #7ab3f4, #69bff8, #52cffe, #41dfff, #46eefa, #5ffbf1);
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background-image: linear-gradient(to right top, #2b1b25, #291a27, #26192a, #23192c, #1f192e, #1c1a32, #181b36, #131c3a, #0d1e40, #062046, #00224b, #002350);
}

.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    transition: background-color 0.3s ease;
}

h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

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

.lotto-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: #333; /* Keep number text dark for readability on yellow/gold */
    animation: popIn 0.5s ease-in-out;
}

@keyframes popIn {
    0% {
        transform: scale(0);
    }
    80% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.generate-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.generate-btn:hover {
    background-color: #ff4f4f;
}