@import url('https://fonts.googleapis.com/css2?family=Bitcount+Grid+Single:wght@400&family=Archivo+Narrow:wght@300;700&display=swap');

:root {
    --fondo: linear-gradient(to bottom right, #000, #2F0B4A);
    --tarjeta: #2F0B4A;
    --boton: #7943A4;
    --tema1: rgb(240, 129, 221);
    --tema2: royalblue;
}

body {
    margin: 0;
    background: var(--fondo);
    font-family: 'Archivo Narrow', sans-serif;
    color: white;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    width: 100%;
}

/* HEADER */
header {
    text-align: center;
    padding: 2% 0;
    background: rgba(0, 0, 60, 0.6);
}

header h1 {
    font-family: "Bitcount Grid Single";
    font-size: 2.5rem;
}

/* TITULO */
main h2 {
    text-align: center;
    font-family: "Bitcount Grid Single";
    margin-top: 3%;
    font-size: 2rem;
}

/* GRID JUEGOS */
.grid-juegos {
    width: 90%;
    margin: 4% auto 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* TARJETA */
.tarjeta {
    background: var(--tarjeta);
    padding: 20px;
    border-radius: 15px;
    transition: 0.3s;
    width: 80%;
    margin: 0px auto;
}

.tarjeta:hover {
    background: #3b1d56;
}

.tarjeta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.estado {
    background: rgb(134, 193, 241);
    color: black;
    padding: 5px 10px;
    border-radius: 12px;
    font-weight: bold;
    font-size: 0.9em;
}

/* TEMAS */
.temas {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.temas button {
    padding: 10px 0;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    color: white;
    cursor: pointer;
    font-size: 1em;
}

.temas button:nth-child(odd) {
    background: var(--tema1);
}

.temas button:nth-child(even) {
    background: var(--tema2);
}

/* BOTÓN JUGAR */
.jugar {
    margin-top: 20px;
    width: 100%;
    padding: 12px 0;
    background: var(--boton);
    border: none;
    border-radius: 10px;
    color: white;
    cursor: pointer;
    font-size: 1.1em;
}

.jugar:hover {
    background: #5c2aa5;
}

/* CÓDIGO */
.codigo {
    text-align: center;
    margin-top: 5%;
}

.codigo input {
    width: 80%;
    max-width: 300px;
    padding: 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    font-size: 1em;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 2% 0;
    margin-top: 5%;
}

/* ============================= */
/* MEDIA QUERY PARA TABLET ≤820px */
/* ============================= */
@media (max-width: 820px) {

    body {
        font-size: 18px;
    }

    header h1 {
        font-size: 2rem;
    }

    main h2 {
        font-size: 1.8rem;
        margin-top: 20px;
    }

    /* Se fuerza 3 columnas en tablets */
    .grid-juegos {
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .tarjeta {
        width: 100%;
        padding: 18px;
    }

    .tarjeta-header h3 {
        font-size: 1.2rem;
    }

    .temas button {
        font-size: 1rem;
        padding: 10px 0;
    }

    .jugar {
        padding: 12px 0;
        font-size: 1.1rem;
    }
}

/* ============================= */
/* MEDIA QUERY PARA MÓVIL ≤600px */
/* ============================= */
@media (max-width: 600px) {

    /* FORZAR 1 COLUMNA */
    .grid-juegos {
        grid-template-columns: 1fr !important;
        gap: 22px;
        margin-top: 20px;
    }

    .tarjeta {
        width: 90%;
    }
}

/* ============================= */
/* MÓVIL PEQUEÑO ≤400px */
/* ============================= */
@media (max-width: 400px) {

    header {
        padding: 24px 12px;
    }

    header h1 {
        font-size: 1.8rem;       
        line-height: 2.2rem;
    }

    main h2 {
        font-size: 1.6rem;
        line-height: 1.9rem;
    }

    .tarjeta {
        padding: 16px;
        border-radius: 16px;
    }

    .temas button {
        font-size: 1rem;
        padding: 11px 0;
    }

    .jugar {
        padding: 14px 0;
        font-size: 1.1rem;
    }

    .codigo input {
        width: 85%;
        padding: 14px;
        font-size: 1rem;
    }
}