body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 600px;
    margin: 0 auto 20px;
    flex-wrap: wrap;
    gap: 10px;
}

h1 {
    color: #333;
    margin: 0;
    font-size: 1.8rem;
}

.btn-premios {
    background-color: #008CBA;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn-premios:hover {
    background-color: #0077a3;
}

.grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 10px;
    max-width: 600px;
    margin: 20px auto;
}

.numero {
    background-color: #4CAF50;
    color: white;
    padding: 20px 0;
    text-align: center;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
}

.numero:hover:not(.ocupado) {
    background-color: #45a049;
}

.numero.ocupado {
    background-color: #f44336;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 350px;
    border-radius: 5px;
    text-align: left;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: black;
}

form label {
    display: block;
    margin-top: 10px;
}

form input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    margin-top: 5px;
}

form button, #cerrar-pago, .btn-copiar {
    background-color: #4CAF50;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}

form button:hover, #cerrar-pago:hover {
    background-color: #45a049;
}

#cerrar-pago {
    background-color: #008CBA;
    margin-top: 20px;
}
#cerrar-pago:hover {
    background-color: #0077a3;
}

.btn-copiar {
    background-color: #ff9800;
    width: auto;
    display: inline-block;
    padding: 5px 10px;
    margin-left: 10px;
}
.btn-copiar:hover {
    background-color: #e68900;
}

/* Responsive */
@media (max-width: 600px) {
    .grid {
        grid-template-columns: repeat(5, 1fr);
        gap: 5px;
    }
    .numero {
        padding: 15px 0;
    }
    header {
        flex-direction: column;
    }
    .btn-premios {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }
}