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

:root {
    --bg-color-day: #f8f2e8;
    --text-color-day: #333;
    --card-bg-day: #fff;
    --primary-color-day: #d94848;
    --secondary-color-day: #f0a500;

    --bg-color-night: #2c2c2c;
    --text-color-night: #f0e6d2;
    --card-bg-night: #444;
    --primary-color-night: #e74c3c;
    --secondary-color-night: #f1c40f;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color-day);
    color: var(--text-color-day);
    transition: background-color 0.3s, color 0.3s;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url('https://www.transparenttextures.com/patterns/dust.png');
}

body.dark-mode {
    background-color: var(--bg-color-night);
    color: var(--text-color-night);
}

.container {
    text-align: center;
    max-width: 500px;
    width: 100%;
}

h1 {
    color: var(--primary-color-day);
    margin-bottom: 20px;
}

body.dark-mode h1 {
    color: var(--primary-color-night);
}

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

.theme-switcher .slider {
    position: relative;
    cursor: pointer;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
    width: 60px;
    height: 34px;
    display: inline-block;
}

.theme-switcher .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

.theme-switcher input:checked + .slider {
    background-color: var(--primary-color-night);
}

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

.toto-card {
    background-color: var(--card-bg-day);
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s, box-shadow 0.3s;
    overflow: hidden;
}

body.dark-mode .toto-card {
    background-color: var(--card-bg-night);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.toto-header {
    background-color: var(--primary-color-day);
    color: white;
    padding: 20px;
}

body.dark-mode .toto-header {
    background-color: var(--primary-color-night);
}

.toto-header h2 {
    margin: 0;
    font-size: 1.5em;
}

.toto-body {
    padding: 30px;
}

.numbers-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.number {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color-day);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2em;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

body.dark-mode .number {
    background-color: var(--secondary-color-night);
}

.number:hover {
    transform: scale(1.1);
}

#generate-btn {
    background-color: var(--primary-color-day);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 50px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

body.dark-mode #generate-btn {
    background-color: var(--primary-color-night);
}

#generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

#generate-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8em;
    }

    .toto-header h2 {
        font-size: 1.3em;
    }

    .number {
        width: 45px;
        height: 45px;
        font-size: 1em;
    }

    #generate-btn {
        font-size: 1em;
        padding: 12px 25px;
    }
}