/* ============================================================
   HUD CSS - SISTEMA DE INTERFAZ HOLOGRÁFICA
   ------------------------------------------------------------
   Estilos del HUD overlay y elementos de interfaz cyberpunk
============================================================ */

/* ============================================================
   HUD OVERLAY STYLES
   ------------------------------------------------------------
   Includes new corner dot and scan animations
============================================================ */
.hud-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; /* Crucial: allows clicks to pass through */
  z-index: 1000;
  overflow: visible;
}

/* Decorative Corners */
.hud-corner {
  position: absolute;
  width: var(--hud-corner-size); height: var(--hud-corner-size);
  border-style: solid;
  border-color: var(--color-accent);
  opacity: 0.7;
  pointer-events: none; /* Ensure corners don't block events */
  /* Subtle animation */
  animation: corner-pulse 4s infinite alternate ease-in-out;
  overflow: hidden; /* Clip pseudo-element scans */
}
.hud-corner.top-left { top: 15px; left: 15px; border-width: var(--hud-border-width) 0 0 var(--hud-border-width); }
.hud-corner.top-right { top: 15px; right: 15px; border-width: var(--hud-border-width) var(--hud-border-width) 0 0; animation-delay: 0.5s; }
.hud-corner.bottom-left { bottom: 15px; left: 15px; border-width: 0 0 var(--hud-border-width) var(--hud-border-width); animation-delay: 1s; }
.hud-corner.bottom-right { bottom: 15px; right: 15px; border-width: 0 var(--hud-border-width) var(--hud-border-width) 0; animation-delay: 1.5s; }

@keyframes corner-pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 0.9; transform: scale(1.05); }
}

/* [HUD_CORNER_SCAN] Barridos de Puntos en las Esquinas - CSS Implementation */
.hud-corner::before {
    content: '';
    position: absolute;
    background: repeating-linear-gradient(
      to right,
      var(--hud-dot-color) 0 2px,
      transparent 2px 4px
    );
    width: var(--hud-scan-width);
    height: var(--hud-line-thickness);
    animation: corner-scan var(--hud-scan-speed) ease-in-out infinite;
}
 /* Specific positioning and animation for each corner's pseudo-element */
.hud-corner.top-left::before {
    width: var(--hud-scan-width); height: var(--hud-line-thickness);
    top: calc(var(--hud-border-width) / -2); left: calc(var(--hud-border-width) / -2);
    transform-origin: top left;
    animation-name: corner-scan-tl;
}
 .hud-corner.top-right::before {
    width: var(--hud-scan-width); height: var(--hud-line-thickness);
    top: calc(var(--hud-border-width) / -2); right: calc(var(--hud-border-width) / -2);
    transform-origin: top right;
    animation-name: corner-scan-tr; animation-delay: calc(var(--hud-scan-speed) * 0.25);
}
 .hud-corner.bottom-left::before {
     width: var(--hud-line-thickness); height: var(--hud-scan-width);
     bottom: calc(var(--hud-border-width) / -2); left: calc(var(--hud-border-width) / -2);
     transform-origin: bottom left;
     animation-name: corner-scan-bl; animation-delay: calc(var(--hud-scan-speed) * 0.5);
 }
 .hud-corner.bottom-right::before {
     width: var(--hud-line-thickness); height: var(--hud-scan-width);
     bottom: calc(var(--hud-border-width) / -2); right: calc(var(--hud-border-width) / -2);
     transform-origin: bottom right;
     animation-name: corner-scan-br; animation-delay: calc(var(--hud-scan-speed) * 0.75);
 }

 @keyframes corner-scan-tl {
     0% { transform: translateX(0); }
     100% { transform: translateX(calc(var(--hud-corner-size) + var(--hud-border-width))); }
 }
  @keyframes corner-scan-tr {
      0% { transform: translateX(0); }
      100% { transform: translateX(calc(-1 * (var(--hud-corner-size) + var(--hud-border-width)))); }
  }
  @keyframes corner-scan-bl {
      0% { transform: translateY(0); }
      100% { transform: translateY(calc(-1 * (var(--hud-corner-size) + var(--hud-border-width)))); }
  }
  @keyframes corner-scan-br {
      0% { transform: translateY(0); }
      100% { transform: translateY(calc(var(--hud-corner-size) + var(--hud-border-width))); }
  }

/* [HUD_PIXEL_DRIFT] & [NOISE_FIELD] & [INTERACTION_BURST] & [SYSTEM_GLITCH_PIXELS] - CSS for the dynamically generated elements */
.hud-dynamic-bit {
    position: absolute;
    background-color: var(--hud-dot-color);
    pointer-events: none; /* Do not block clicks */
    opacity: 0; /* Starts hidden */
    /* Size, shape, and animation handled by JS for variations */
}
 /* Specific style for noise blocks */
 .hud-dynamic-bit.noise {
     background-color: var(--hud-noise-color);
     width: 3px; /* Example size */
     height: 3px;
     border-radius: 0; /* Square */
 }
  /* Specific style for small dots */
 .hud-dynamic-bit.dot {
     width: var(--hud-dot-size);
     height: var(--hud-dot-size);
     border-radius: 50%; /* Circle */
 }
  /* Specific style for data streaks */
 .hud-dynamic-bit.streak {
     background-color: var(--hud-data-streak-color);
     width: 1px; /* Thin line */
     height: 5px;
     border-radius: 0;
 }
  /* Specific style for glitch pixels */
   .hud-dynamic-bit.glitch {
       width: 1px;
       height: 1px;
       background-color: var(--color-feedback-error); /* Red/Error color */
       opacity: 0.7;
       animation: glitch-pixel-fade 0.1s ease-out forwards; /* Very short animation */
   }

/* Decorative Lines */
.hud-line {
  position: absolute;
  background-color: var(--color-border);
  box-shadow: 0 0 3px var(--color-border);
  opacity: 0.5;
  pointer-events: none;
    /* [DATA_STREAK] Ráfagas de Datos Emergentes - CSS Implementation for lines */
    overflow: hidden; /* To hide pseudo-element movement */
}
.hud-line.top { top: 25px; left: calc(15px + var(--hud-corner-size)); right: calc(15px + var(--hud-corner-size)); height: var(--hud-line-thickness); }
.hud-line.bottom { bottom: 25px; left: calc(15px + var(--hud-corner-size)); right: calc(15px + var(--hud-corner-size)); height: var(--hud-line-thickness); }
.hud-line.left { left: 25px; top: calc(15px + var(--hud-corner-size)); bottom: calc(15px + var(--hud-corner-size)); width: var(--hud-line-thickness); }
.hud-line.right { right: 25px; top: calc(15px + var(--hud-corner-size)); bottom: calc(15px + var(--hud-corner-size)); width: var(--hud-line-thickness); }

/* Data streak pseudo-elements on lines */
.hud-line::before {
    content: '';
    position: absolute;
    background: linear-gradient(
      to right,
      transparent 0%,
      var(--color-accent-glow) 50%,
      transparent 100%
    );
    opacity: 0.6;
    animation: line-burst 1.5s ease-in-out infinite;
}
@keyframes line-burst {
  0%   { transform: translateX(-100%); opacity: 0; }
  50%  { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}
 .hud-line.top::before, .hud-line.bottom::before {
     width: 10px; height: 100%;
     top: 0; left: 0;
 }
 .hud-line.left::before, .hud-line.right::before {
     width: 100%; height: 10px;
     left: 0; top: 0;
 }
  /* Specific line streak animations */
  .hud-line.top::before { animation-name: line-streak-h; }
  .hud-line.bottom::before { animation-name: line-streak-h; animation-delay: 1s; } /* Different delay */
  .hud-line.left::before { animation-name: line-streak-v; }
  .hud-line.right::before { animation-name: line-streak-v; animation-delay: 2s; } /* Different delay */

   @keyframes line-streak-h {
       0% { transform: translateX(-100%); }
       100% { transform: translateX(100vw); } /* Move across the viewport width */
   }
    @keyframes line-streak-v {
        0% { transform: translateY(-100%); }
        100% { transform: translateY(100vh); } /* Move across the viewport height */
    }

/* Info Readouts */
.hud-readout {
  position: absolute;
  font-family: var(--font-main);
  font-size: 0.75rem;
  color: var(--color-muted);
  padding: 5px 10px;
  background: rgba(var(--color-bg), 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid var(--color-border); /* Added border */
  border-radius: 3px;
  -webkit-backdrop-filter: blur(4px); /* Added prefix */
  backdrop-filter: blur(4px); /* Subtle blur on readouts */
  pointer-events: none; /* Do not block events */
}

/* [BUFFER_GLOW] Pulso de Buffer en Zonas Estratégicas */
.hud-readout {
    animation: readout-buffer 4s infinite ease-in-out;
}
 @keyframes readout-buffer {
     0%, 100% { box-shadow: none; }
     50% { box-shadow: 0 0 5px rgba(var(--color-accent-rgb), 0.5); }
 }

.hud-readout span:first-child { color: var(--color-accent); margin-right: 5px;}
.hud-readout .hud-ok { color: var(--color-feedback-success); animation: status-flicker 3s infinite alternate steps(5); }
.hud-readout .hud-warning { color: var(--color-feedback-warning); animation: status-flicker 2s infinite alternate steps(3); }
.hud-readout .hud-error { color: var(--color-feedback-error); animation: status-flicker 1s infinite alternate steps(2); }

 @keyframes status-flicker {
     0%, 100% { opacity: 1; }
     50% { opacity: 0.5; }
 }

.top-left-readout { top: 40px; left: 40px; }
.top-right-readout { top: 40px; right: 40px; text-align: right;}
.bottom-left-readout { bottom: 40px; left: 40px; }
.bottom-right-readout { bottom: 40px; right: 40px; text-align: right;}

/* ============================================================
   NÚCLEO NEURONAL INTERACTIVO
   ------------------------------------------------------------
   El cerebro central de la interfaz con reactividad dinámica
============================================================ */
.neural-core-container {
  position: fixed;
  bottom: 120px;
  right: 30px;
  width: 80px;
  height: 80px;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.neural-core-container.visible {
  opacity: 1;
  transform: scale(1);
}

.neural-core-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.1) 0%, transparent 70%);
  box-shadow: 
    0 0 20px rgba(var(--color-accent-rgb), 0.3),
    inset 0 0 20px rgba(var(--color-accent-rgb), 0.1);
}

/* Partículas energéticas */
.particle-container {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 120px;
  height: 120px;
  pointer-events: none;
}

.energy-particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 4px var(--color-accent-glow);
  opacity: 0;
  animation: particle-float 3s infinite ease-in-out;
}

@keyframes particle-float {
  0% {
    opacity: 0;
    transform: translate(40px, 40px) scale(0);
  }
  20% {
    opacity: 1;
    transform: translate(40px, 40px) scale(1);
  }
  80% {
    opacity: 1;
    transform: translate(var(--particle-x), var(--particle-y)) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--particle-x), var(--particle-y)) scale(0);
  }
}

/* Trazadores de luz para interacciones */
.light-tracers {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 999;
}

.light-tracer {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent) 0%, transparent 100%);
  box-shadow: 0 0 4px var(--color-accent-glow);
  opacity: 0;
  transform-origin: left center;
  animation: tracer-pulse 0.6s ease-out;
}

@keyframes tracer-pulse {
  0% {
    opacity: 0;
    transform: scaleX(0);
  }
  50% {
    opacity: 1;
    transform: scaleX(1);
  }
  100% {
    opacity: 0;
    transform: scaleX(1);
  }
}

/* Indicadores de estado */
.neural-status-indicators {
  position: absolute;
  top: -10px;
  right: -10px;
  display: flex;
  gap: 2px;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.3;
  transition: opacity 0.3s ease, background-color 0.3s ease;
}

.status-indicator.active {
  opacity: 1;
  animation: status-pulse 1s infinite alternate;
}

@keyframes status-pulse {
  0% { opacity: 0.3; }
  100% { opacity: 1; }
}

/* Estados específicos del núcleo */
.neural-core-container.scroll-fast {
  animation: neural-excite 0.5s ease-out;
}

.neural-core-container.interaction-active {
  animation: neural-focus 0.3s ease-out;
}

.neural-core-container.content-aware {
  animation: neural-analyze 2s infinite ease-in-out;
}

.neural-core-container.system-active {
  animation: neural-operate 1s infinite ease-in-out;
}

@keyframes neural-excite {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@keyframes neural-focus {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes neural-analyze {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.05) rotate(180deg); }
}

@keyframes neural-operate {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Responsive para el núcleo neuronal */
@media (max-width: 768px) {
  .neural-core-container {
    bottom: 140px;
    right: 20px;
    width: 60px;
    height: 60px;
  }
  
  .neural-core-canvas {
    width: 60px;
    height: 60px;
  }
  
  .particle-container {
    width: 100px;
    height: 100px;
    top: -20px;
    left: -20px;
  }
}