/* --- Fuentes y Configuración Base --- */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&display=swap');

:root {
    /* Color principal (Blanco Fósforo) - MODIFICADO */
    --main-color: #FFFFFF;
    --main-glow: 0 0 5px #FFFFFF, 0 0 10px #FFFFFF;
    
    /* Color secundario (Ámbar) - Descomentar para cambiar el tema */
    /*
    --main-color: #FFBF00;
    --main-glow: 0 0 5px #FFBF00, 0 0 10px #FFBF00;
    */
}

body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: #000000;
    color: var(--main-color);
    /* Usamos VT323 para un look más retro-pixelado, Share Tech Mono es más limpio */
    font-family: 'VT323', 'Share Tech Mono', monospace;
    font-size: 20px;
    text-shadow: var(--main-glow);
    overflow: hidden; /* Evita barras de scroll durante el glitch */
    transition: background-color 0.5s ease; /* Transición para el pánico */
}

.hidden {
    display: none !important;
}

/* --- Contenedor Principal --- */
#terminal-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 2rem;
    box-sizing: border-box;
    text-align: center;
}

/* --- Fase 1: Typewriter --- */
#intro-sequence {
    text-align: left;
}
#typewriter-output {
    margin: 0;
    white-space: pre-wrap; /* Mantiene los saltos de línea */
}
#cursor {
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    50% { opacity: 0; }
}

/* --- Fase 2: Interfaz Principal --- */
#main-interface p {
    margin: 0.5em 0;
}
.separator {
    width: 50%;
    height: 1px;
    background-color: var(--main-color);
    filter: opacity(0.5);
    margin: 1.5rem auto;
}
#timer {
    font-size: 3.5rem;
    letter-spacing: 0.5rem;
    font-family: 'Share Tech Mono', monospace;
    /* La línea "color: #FFFFFF" se eliminó porque ahora es la --main-color */
}

/* --- Fase 3: Glitch Pasivo (Animación sutil) --- */
#status-text, #timer {
    animation: passive-glitch 5s infinite alternate ease-in-out;
}
@keyframes passive-glitch {
    0% {
        text-shadow: var(--main-glow);
        transform: translate(0, 0);
        opacity: 1;
    }
    49% {
        text-shadow: var(--main-glow);
        transform: translate(0, 0);
        opacity: 1;
    }
    50% {
        /* Un parpadeo rápido y sutil */
        text-shadow: none;
        transform: translate(1px, 0);
        opacity: 0.9;
    }
    51% {
        text-shadow: var(--main-glow);
        transform: translate(0, 0);
        opacity: 1;
    }
    100% {
        text-shadow: var(--main-glow);
        transform: translate(0, 0);
        opacity: 1;
    }
}

/* --- Fase 3: Glitch Activo (Disparado por JS) --- */

/* 1. Sacudida de la pantalla */
.glitch-active {
    animation: active-shake 0.2s infinite;
}
@keyframes active-shake {
    0% { transform: translate(0, 0); }
    25% { transform: translate(-5px, 3px); }
    50% { transform: translate(5px, -3px); }
    75% { transform: translate(-3px, 5px); }
    100% { transform: translate(3px, -5px); }
}

/* 2. Líneas de scanlines */
.glitch-active body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
    background-size: 100% 4px; /* Grosor de las líneas */
    animation: scanlines 0.1s linear infinite;
    pointer-events: none;
    z-index: 10;
}
@keyframes scanlines {
    from { background-position-y: 0; }
    to { background-position-y: 4px; }
}

/* 3. Mensajes Subliminales */
#subliminal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}
#subliminal-message {
    position: absolute;
    display: none; /* Oculto por defecto */
    font-size: 2.5rem;
    color: var(--main-color);
    text-shadow: var(--main-glow);
    animation: flash 0.1s linear;
}
.glitch-active #subliminal-message {
    display: block;
}
@keyframes flash {
    0% { opacity: 1; }
    50% { opacity: 0.2; }
    100% { opacity: 1; }
}

/* --- Fase 4: Día Cero --- */
#day-zero-content {
    width: 100%;
    max-width: 800px;
}
#final-output {
    text-align: left;
    white-space: pre-wrap;
}
#final-reveal {
    animation: fade-in 2s ease-in;
}
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
    border: 2px solid var(--main-color);
    box-shadow: var(--main-glow);
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.demo-button {
    display: inline-block;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.5rem;
    color: var(--main-color);
    text-decoration: none;
    border: 2px solid var(--main-color);
    padding: 1rem 2rem;
    margin-top: 1rem;
    text-shadow: var(--main-glow);
    transition: all 0.2s ease;
}
.demo-button:hover {
    background-color: var(--main-color);
    color: #000000;
    text-shadow: none;
    box-shadow: 0 0 15px var(--main-color), 0 0 25px var(--main-color);
}

/* --- Animaciones de Transición --- */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fade-out {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* --- Responsividad Móvil --- */
@media (max-width: 600px) {
    body {
        font-size: 16px;
    }
    #timer {
        font-size: 2rem;
        letter-spacing: 0.2rem;
    }
    #subliminal-message {
        font-size: 1.5rem;
    }
    .demo-button {
        font-size: 1.2rem;
        padding: 0.8rem 1.5rem;
    }
}