body {
    margin: 0;
    font-family: Tahoma, sans-serif;
    background: #145028;
    color: white;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 20px 40px;
    font-size: 28px;
    color: gold;
}

main {
    display: flex;
    padding: 20px;
}

#mesa {
    flex: 3;
}

#numeros {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 4px;
}

.numero {
    background: black;
    border: 1px solid white;
    text-align: center;
    padding: 20px 0;
    font-size: 22px;
    cursor: pointer;
}

.numero.rojo { background: #c00000; }
.numero.negro { background: #111; }
.numero.cero { background: green; }

#externas {
    margin-top: 15px;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 6px;
}

#externas button {
    padding: 15px;
    font-size: 16px;
}

.rojo { background: red; }
.negro { background: black; color: white; }

aside {
    flex: 1;
    text-align: center;
}

#girar {
    margin: 10px;
    font-size: 26px;
    background: orange;
}

#resultado {
    font-size: 60px;
}

#historial {
    margin-top: 10px;
    background: black;
    padding: 10px;
    height: 160px;
    overflow-y: auto;
}

footer {
    padding: 15px;
    text-align: center;
}

#fichas button {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    font-size: 16px;
    margin: 0 5px;
}