:root {
    --bg-no: #e5e5e5;
    --text-no: #333333;
    --bg-yes: #1a1a1a;
    --text-yes: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
    transition: background-color 0.5s, color 0.5s;
}

/* Default / Loading */
body {
    background-color: #f0f0f0;
    font-family: sans-serif;
}

/* NO State (Mon-Thu) */
body.no {
    background-color: var(--bg-no);
    color: var(--text-no);
    font-family: 'Courier Prime', monospace;
}

body.no h1 {
    font-size: 15vw;
    font-weight: normal;
    letter-spacing: -5px;
}

body.no p {
    font-size: 1.5rem;
    opacity: 0.6;
    margin-top: 2rem;
}

/* YES State (Friday) */
body.yes {
    background-color: var(--bg-yes);
    color: var(--text-yes);
    font-family: 'Impact', sans-serif;
    background-image: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    background-size: 400%;
    animation: rainbow 20s linear infinite;
}

@keyframes rainbow {
    0% {
        background-position: 0 0;
    }

    50% {
        background-position: 100% 0;
    }

    100% {
        background-position: 0 0;
    }
}

body.yes h1 {
    font-size: 25vw;
    text-transform: uppercase;
    text-shadow: 10px 10px 0px rgba(0, 0, 0, 0.2);
    transform: rotate(-5deg);
    animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
    from {
        transform: scale(1) rotate(-5deg);
    }

    to {
        transform: scale(1.1) rotate(-5deg);
    }
}

body.yes p {
    font-size: 2rem;
    font-weight: bold;
    margin-top: 1rem;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.5);
}

/* WEEKEND State */
body.weekend {
    background-color: #3b82f6;
    color: white;
    font-family: 'Impact', sans-serif;
}

body.weekend h1 {
    font-size: 15vw;
}

body.weekend p {
    font-size: 2rem;
}