body {
    margin: 0;
    padding: 0;
    background-color: #0b0d17;
    /* Contraste oscuro estilo espacio */
    background-image:
        radial-gradient(white, rgba(255, 255, 255, .2) 2px, transparent 3px),
        radial-gradient(white, rgba(255, 255, 255, .15) 1px, transparent 2px),
        radial-gradient(white, rgba(255, 255, 255, .1) 2px, transparent 3px);
    background-size: 550px 550px, 350px 350px, 250px 250px;
    background-position: 0 0, 40px 60px, 130px 270px;
    color: #e0e6ed;
    font-family: 'Orbitron', sans-serif;
    /* Fuente futurista */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

.container {
    text-align: center;
    border: 2px solid #334;
    padding: 40px;
    border-radius: 15px;
    background: rgba(16, 20, 30, 0.9);
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.2), inset 0 0 50px rgba(0, 0, 0, 0.5);
    min-width: 300px;
}

h1 {
    font-size: 1.5rem;
    letter-spacing: 5px;
    margin-bottom: 30px;
    color: #00d2ff;
    text-shadow: 0 0 10px #00d2ff;
    border-bottom: 1px solid #334;
    padding-bottom: 15px;
}

.screen {
    background-color: #000;
    border: 2px solid #555;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: inset 0 0 20px rgba(0, 255, 0, 0.1);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#time {
    font-size: 3.5rem;
    margin: 0;
    color: #ff3333;
    /* Rojo alarma */
    text-shadow: 0 0 15px rgba(255, 51, 51, 0.8);
}

#startButton {
    background: linear-gradient(to bottom, #ff4b4b, #cc0000);
    border: none;
    border-radius: 50%;
    /* Botón redondo tipo "Launch" */
    width: 150px;
    height: 150px;
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
    cursor: pointer;
    box-shadow: 0 10px 0 #880000, 0 15px 20px rgba(0, 0, 0, 0.5);
    transition: all 0.1s;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    outline: none;
}

#startButton:active {
    box-shadow: 0 2px 0 #880000, 0 5px 10px rgba(0, 0, 0, 0.5);
    transform: translateY(8px);
}

#startButton:hover {
    filter: brightness(1.1);
}

/* Clase requerida por index,js para ocultar elementos */
.hidden {
    display: none !important;
}

/* Estilo para el video cuando aparezca */
/* Estilo para el video cuando aparezca - FULLSCREEN */
#video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: 9999;
    background: black;
    border: none;
    box-shadow: none;
    margin: 0;
    display: block;
    /* El display inicial se controla en HTML */
    pointer-events: none;
}

.footer {
    position: fixed;
    bottom: 10px;
    width: 100%;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(224, 230, 237, 0.6);
    z-index: 10;
}

.footer a {
    color: #00d2ff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: #fff;
    text-shadow: 0 0 10px #00d2ff;
}