* {
    margin: 0;
    padding: 0;
    font-family: "Bebas Neue", sans-serif;
}

body {
    background-color: #1a1a1a;
    color: #f0f0f0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

main {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

section {
    background-color: #2a2a2a;
    border: 1px solid #444;
    border-radius: 8px;
    padding: 30px;
}

header h1 {
    text-align: center;
    font-size: 2rem;
    letter-spacing: 2px;
    margin-bottom: 25px;
    color: #ffffff;
    border-bottom: 2px solid #555;
    padding-bottom: 10px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    background-color: #3a3a3a;
    border: 1px solid #555;
    border-radius: 4px;
    padding: 12px 15px;
    color: #f0f0f0;
    font-size: 1rem;
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: 1px;
    outline: none;
    transition: border-color 0.3s;
}

input::placeholder {
    color: #888;
}

input:focus {
    border-color: #999;
}

button {
    background-color: #e0e0e0;
    color: #1a1a1a;
    border: none;
    border-radius: 4px;
    padding: 12px 20px;
    font-size: 1.1rem;
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: 2px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    margin-top: 10px;
}

button:hover {
    background-color: #ffffff;
    color: #000000;
}

button:active {
    background-color: #999;
    color: #ffffff;
}

p {
    font-size: 0.95rem;
    letter-spacing: 1px;
    color: #aaa;
    margin-top: 5px;
}

#errorLogin, #errorCompra {
    text-align: center;
    min-height: 20px;
    margin-top: 10px;
}

#btnLogin, #btnComprar {
    display: block;
    width: 100%;
    margin-top: 20px;
}

.campo-entrada {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.campo-entrada label {
    color: #ccc;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.compra #btnCerrar {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #444;
    color: #ccc;
    font-size: 0.8rem;
    padding: 8px 12px;
    margin-top: 0;
}

.compra #btnCerrar:hover {
    background-color: #666;
    color: #fff;
}

.compra-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.total-fila {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    border-top: 1px solid #555;
    padding-top: 10px;
}

.total-fila #resTotal {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.total-fila #btnVolver {
    background-color: #444;
    color: #ccc;
    font-size: 0.85rem;
    padding: 8px 15px;
    margin-top: 0;
}

.total-fila #btnVolver:hover {
    background-color: #666;
    color: #fff;
}

.resultado {
    background-color: #333;
    border: 1px solid #555;
    border-radius: 6px;
    padding: 25px;
    margin-top: 20px;
}

#resComprador {
    color: #ffffff;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

#resAdultos, #resNinos {
    color: #ccc;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

#resDescuento {
    color: #999;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

#resTotal {
    color: #ffffff;
    font-size: 1.2rem;
}

/* Responsive: Tablets */
@media (max-width: 768px) {
    main {
        max-width: 100%;
        padding: 15px;
    }

    section {
        padding: 25px;
    }

    header h1 {
        font-size: 1.8rem;
    }

    input {
        padding: 10px 12px;
    }

    button {
        padding: 10px 16px;
        font-size: 1rem;
    }
}

/* Responsive: Móviles */
@media (max-width: 480px) {
    section {
        padding: 20px 15px;
    }

    header h1 {
        font-size: 1.5rem;
        letter-spacing: 1px;
        margin-bottom: 20px;
    }

    input {
        padding: 10px;
        font-size: 0.9rem;
    }

    button {
        padding: 10px 14px;
        font-size: 0.95rem;
        letter-spacing: 1px;
    }

    .compra #btnCerrar {
        font-size: 0.7rem;
        padding: 6px 10px;
    }

    .total-fila {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .total-fila #btnVolver {
        align-self: flex-end;
    }

    #resComprador {
        font-size: 1rem;
    }

    #resAdultos, #resNinos, #resDescuento {
        font-size: 0.85rem;
    }

    #resTotal {
        font-size: 1.1rem;
    }

    .resultado {
        padding: 18px;
    }

    .campo-entrada label {
        font-size: 0.8rem;
    }
}