* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Rajdhani', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(circle at center, #2c1614 0%, #0d0606 100%);
    color: #f0e6e6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255, 87, 34, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 87, 34, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 1;
    pointer-events: none;
}

#pantalla-inicio, 
#pantalla-juego, 
#pantalla-resultado {
    position: relative;
    z-index: 2;
    background: rgba(20, 10, 10, 0.75);
    border: 1px solid red;
    border-radius: 12px;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 0 30px rgba(255, 87, 34, 0.2), inset 0 0 15px rgba(230, 74, 27, 0.1);
    backdrop-filter: blur(8px);
    text-align: center;
    animation: aparecer 0.4s ease-out;
}

#titulos {
    /* Aquí añadimos la tipografía Orbitron */
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: #ff7043;
    text-shadow: 0 0 10px rgba(255, 112, 67, 0.6);
    margin-bottom: 20px;
}

p, #pregunta-texto {
    font-size: 1.25rem; 
    line-height: 1.6;
    margin-bottom: 30px;
    color: #e0d0d0;
}

#pregunta-texto {
    font-weight: 600;
    border-bottom: 1px dashed rgba(255, 87, 34, 0.3);
    padding-bottom: 15px;
}

#btn-empezar, #btn-continuar {
    font-family: 'Orbitron', sans-serif;
    background: red;
    color: #ffffff;
    border: none;
    padding: 14px 35px;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.4);
}

#btn-empezar:hover, #btn-continuar:hover {
    background: #ff7043;
    box-shadow: 0 0 25px rgba(255, 112, 67, 0.8);
    transform: translateY(-2px);
}

#btn-empezar:active, #btn-continuar:active {
    transform: translateY(1px);
}

#contenedor-opciones {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-opcion {
    background: rgba(30, 20, 20, 0.6);
    color: #ffab91;
    border: 1px solid rgba(255, 87, 34, 0.4);
    padding: 16px 20px;
    font-size: 1.1rem;
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s ease;
    width: 100%;
}

.btn-opcion:hover {
    background: rgba(255, 87, 34, 0.15);
    color: #ffffff;
    border-color: red;
    box-shadow: 0 0 15px rgba(255, 87, 34, 0.3);
    padding-left: 28px;
}

.btn-opcion:active {
    background: rgba(255, 87, 34, 0.3);
}

.oculto { 
    display: none !important; 
}

@keyframes aparecer {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}