/* ==========================================================================
   PANTALLA DE COLAPSO CRT RETRO // OJO DE PEZ (FISHEYE) AJUSTADO A PANTALLA
   Maxima legibilidad (letras nitidas sin borrosidad) y efecto de tubo convexo
   ========================================================================== */

/* Bloqueo del scroll del body cuando la pantalla de colapso esta activa */
html.crt-active, body.crt-active {
    overflow: hidden !important;
    height: 100vh !important;
}

/* Contenedor principal: Ocupa toda la pantalla (100vw x 100vh) con scroll nativo limpio */
.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    background: radial-gradient(ellipse at 50% 50%, #1a0303 0%, #0d0101 60%, #000000 100%);
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
    font-family: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
    color: #ff4444;
}

/* ==========================================================================
   EFECTO OJO DE PEZ (FISHEYE) & PANTALLA CRT ANTIGUA
   ========================================================================== */

/* Chasis y marco abombado del monitor CRT alrededor de la pantalla completa */
.crt-fisheye-frame {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    /* Bisel exterior que curva las 4 esquinas simulando un tubo catodico abombado */
    box-shadow: 
        inset 0 0 0 10px #111115,
        inset 0 0 0 16px #08080a,
        inset 0 0 60px rgba(0, 0, 0, 0.95),
        inset 0 0 120px rgba(0, 0, 0, 0.9);
    border-radius: 36px;
}

/* Lente de cristal convexa (Ojo de Pez) con viñeta esferica y reflejos */
.crt-fisheye-lens {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 95;
    background: 
        /* Viñeta esferica pronunciada de lente ojo de pez */
        radial-gradient(ellipse at 50% 50%, transparent 55%, rgba(0, 0, 0, 0.5) 75%, rgba(0, 0, 0, 0.92) 92%, #000000 100%),
        /* Resplandor central esferico */
        radial-gradient(circle at 50% 45%, rgba(255, 30, 30, 0.08) 0%, transparent 60%),
        /* Reflejo de luz blanca en el cristal abombado superior izquierdo */
        linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.015) 25%, transparent 50%);
}

/* Lineas de escaneo sutiles (Scanlines) de monitor de fosforo */
.crt-scanlines {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 90;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0) 50%, 
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
}

/* Haz de barrido vertical continuo de tubo catodico */
.crt-sweep-line {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, rgba(255, 50, 50, 0.06), transparent);
    pointer-events: none;
    z-index: 92;
    animation: crtSweep 6s linear infinite;
}

@keyframes crtSweep {
    0% { transform: translateY(-90px); }
    100% { transform: translateY(100vh); }
}

/* ==========================================================================
   CONTENIDO Y TIPOGRAFIA NITIDA (LETRAS 100% LEGIBLES)
   ========================================================================== */

/* Envoltorio de contenido con flujo vertical nativo (sin saltos al hacer scroll) */
.crt-content-wrap {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 3rem 2rem 5rem 2rem;
    box-sizing: border-box;
}

/* Banner de alerta superior rojo (Estilo ransomware / NotPetya de Imagen 1) */
.crt-banner {
    background: #ff2a2a;
    color: #000000;
    font-weight: 900;
    font-size: 1.35rem;
    padding: 14px 20px;
    line-height: 1.35;
    letter-spacing: 0.5px;
    margin-bottom: 1.4rem;
    border: 2px solid #ff7777;
    box-shadow: 0 0 25px rgba(255, 42, 42, 0.45);
    text-transform: uppercase;
    border-radius: 4px;
}

/* Linea separadora retro */
.crt-sep {
    color: #ff3333;
    font-size: 1rem;
    margin: 1rem 0;
    user-select: none;
    white-space: nowrap;
    overflow: hidden;
    opacity: 0.75;
}

/* Parrafo principal */
.crt-lead {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ff5555;
    line-height: 1.55;
    margin: 1.2rem 0;
}

/* Parrafos secundarios nitidos */
.crt-content-wrap p {
    font-size: 1.05rem;
    line-height: 1.65;
    color: #ff6666;
    margin: 0.9rem 0;
}

/* Cuadro de despedida */
.crt-farewell {
    background: rgba(255, 30, 30, 0.12);
    border-left: 6px solid #ff2a2a;
    padding: 1.1rem 1.4rem;
    margin: 1.5rem 0;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.55;
    border-radius: 0 4px 4px 0;
}

/* Caja de telemetria estilo retro (Imagen 2) */
.crt-telemetry {
    background: rgba(5, 0, 0, 0.9);
    border: 2px solid #ff3333;
    padding: 1.3rem 1.6rem;
    margin: 1.6rem 0;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #ff8888;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.9);
    border-radius: 4px;
}

.crt-telemetry-header {
    text-align: center;
    border-bottom: 1px solid #ff3333;
    padding-bottom: 6px;
    margin-bottom: 8px;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: 1px;
}

.crt-telemetry-row {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dotted rgba(255, 51, 51, 0.3);
    padding: 5px 0;
}

.crt-telemetry-row:last-child {
    border-bottom: none;
}

.crt-telemetry-label {
    color: #ff6666;
    font-weight: 600;
}

.crt-telemetry-val {
    color: #ffffff;
    font-weight: 700;
}

.crt-telemetry-val.bad {
    color: #ff3333;
}

/* Linea de comandos con cursor parpadeante */
.crt-cli {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.4rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #ff5555;
}

.crt-cursor {
    display: inline-block;
    width: 10px;
    height: 1.2em;
    background: #ff3333;
    animation: crtBlink 0.7s infinite;
    vertical-align: middle;
}

@keyframes crtBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Botonera de acciones retro */
.crt-actions {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 1.8rem;
}

.crt-btn {
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.95rem;
    font-weight: 800;
    padding: 14px 22px;
    cursor: pointer;
    border: 2px solid #ff3333;
    background: #1c0202;
    color: #ff5555;
    transition: all 0.15s ease-in-out;
    border-radius: 4px;
}

.crt-btn:hover {
    background: #ff2a2a;
    color: #000000;
    box-shadow: 0 0 20px rgba(255, 42, 42, 0.7);
}

.crt-btn-secondary {
    border-color: #662222;
    color: #aa5555;
    background: #0d0101;
}

.crt-btn-secondary:hover {
    background: #441111;
    color: #ffffff;
    box-shadow: 0 0 14px rgba(68, 17, 17, 0.8);
}

/* Boton flotante permanente para volver a abrir la pantalla si se cerro */
.crt-reopen-pill {
    position: fixed;
    bottom: 1.2rem;
    right: 1.2rem;
    z-index: 99999;
    background: #ff2a2a;
    color: #000000;
    border: 2px solid #ffffff;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    padding: 10px 16px;
    cursor: pointer;
    font-weight: 800;
    box-shadow: 0 0 20px rgba(255, 42, 42, 0.8);
    animation: crtPillPulse 1.5s infinite;
    border-radius: 4px;
}

@keyframes crtPillPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

/* Scrollbar retro estilizado */
.crt-overlay::-webkit-scrollbar {
    width: 9px;
}
.crt-overlay::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.8);
}
.crt-overlay::-webkit-scrollbar-thumb {
    background: #ff2a2a;
    border-radius: 4px;
}

/* ==========================================================================
   RESPONSIVE: moviles y pantallas estrechas
   ========================================================================== */
@media (max-width: 640px) {
    .crt-content-wrap { padding: 2rem 1rem 4rem 1rem; }
    .crt-sep { overflow: hidden; white-space: nowrap; }
    .crt-telemetry-row { flex-direction: column; gap: 2px; }
    .crt-telemetry-val { word-break: break-word; }
    .crt-actions { flex-direction: column; gap: 0.8rem; }
    .crt-btn { width: 100%; font-size: 0.8rem; padding: 12px 14px; }
    .crt-reopen-pill { left: 8px; right: 8px; bottom: 8px; font-size: 0.7rem; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    .crt-sweep-line, .crt-cursor, .crt-reopen-pill { animation: none !important; }
}