/* ==========================================================================
   AETHERIS 3050 — Design System & HUD Stylesheet (NexusOS)
   Estándar de Alta Gama (Awwwards / FWA) — 60 FPS GPU-Accelerated
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES DE DISEÑO & SISTEMA DE TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Paleta cromática principal */
  --bg-abyss: #030712;
  --bg-deep: #060b17;
  --bg-glass: rgba(15, 23, 42, 0.68);
  --bg-glass-elevated: rgba(22, 33, 58, 0.78);
  
  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-amber: #ffb703;
  --accent-amber-glow: rgba(255, 183, 3, 0.32);
  --accent-violet: #a855f7;
  --accent-violet-glow: rgba(168, 85, 247, 0.35);
  --accent-green: #00ff88;
  --accent-green-glow: rgba(0, 255, 136, 0.38);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.28);

  /* Tipografías */
  --font-display: 'Orbitron', 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Space Mono', monospace;

  /* Curvas de resorte para feedback táctil responsivo */
  --ease-spring: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --transition-fast: 160ms var(--ease-spring);
  --transition-smooth: 280ms var(--ease-spring);
}

/* Modo Escaneo Cuántico (Cyberpunk) */
body.vision-quantum {
  --bg-glass: rgba(12, 10, 28, 0.75);
  --border-glow: rgba(168, 85, 247, 0.45);
  --text-primary: #fdf4ff;
}

/* Modo Rayos-X / Wireframe (Fósforo verde militar CRT) */
body.vision-wireframe {
  --bg-abyss: #010e06;
  --bg-deep: #021a0c;
  --bg-glass: rgba(2, 28, 14, 0.85);
  --bg-glass-elevated: rgba(3, 40, 20, 0.9);
  --accent-cyan: #00ff88;
  --accent-cyan-glow: rgba(0, 255, 136, 0.4);
  --accent-amber: #00ff88;
  --accent-violet: #00ff88;
  --text-primary: #00ff88;
  --text-secondary: #34d399;
  --text-muted: #059669;
  --border-subtle: rgba(0, 255, 136, 0.2);
  --border-glow: rgba(0, 255, 136, 0.5);
}

/* --------------------------------------------------------------------------
   2. REINICIO & BASES GLOBALES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  overflow: hidden;
  background-color: var(--bg-abyss);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   3. LIENZOS DE FONDO Y CÁMARA 3D
   -------------------------------------------------------------------------- */
.fullscreen-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

#cosmos-canvas {
  z-index: 1;
}

#chamber-canvas {
  z-index: 2;
  pointer-events: auto; /* Permite arrastrar y lanzar objetos */
  cursor: grab;
}

#chamber-canvas:active {
  cursor: grabbing;
}

/* Overlay de scanlines CRT y aberración cuántica */
.hud-scanlines-overlay {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%,
    rgba(0, 0, 0, 0.22) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.015),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.015)
  );
  background-size: 100% 3px, 6px 100%;
  opacity: 0.45;
  transition: opacity 0.3s ease;
}

body.vision-wireframe .hud-scanlines-overlay {
  opacity: 0.85;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 255, 136, 0.04) 0px,
    rgba(0, 255, 136, 0.04) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* --------------------------------------------------------------------------
   4. ESTRUCTURA HUD MAESTRA (NexusOS)
   -------------------------------------------------------------------------- */
.nexus-interface {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100vw;
  height: 100vh;
  min-height: 100dvh;
  pointer-events: none; /* Dejar pasar clics al canvas salvo en elementos interactivos */
  padding: 16px 24px;
}

.nexus-interface * {
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   5. MÓDULO A: HUD & TELEMETRÍA SUPERIOR
   -------------------------------------------------------------------------- */
.hud-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 30px rgba(0, 0, 0, 0.45);
}

/* Identidad de marca y estatus */
.hud-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-crest {
  position: relative;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crest-ring {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--accent-cyan);
  border-radius: 50%;
  animation: rotateRing 14s linear infinite;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.crest-node {
  width: 6px;
  height: 6px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cyan);
}

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.brand-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.brand-title .accent-year {
  color: var(--accent-cyan);
  font-weight: 500;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.brand-status {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 20px;
  padding: 3px 10px;
  margin-left: 6px;
}

.status-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulseBeacon 2s ease-in-out infinite;
}

@keyframes pulseBeacon {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.status-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
}

/* Telemetría central */
.hud-telemetry-center {
  display: flex;
  align-items: center;
  gap: 18px;
}

.telemetry-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

.telemetry-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.telemetry-tag {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.highlight-cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px var(--accent-cyan-glow);
}

.integrity-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.integrity-bar-track {
  width: 110px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2px;
}

.integrity-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-violet));
  box-shadow: 0 0 6px var(--accent-cyan);
  transition: width 0.3s ease;
}

/* Controles de la derecha (Osciloscopio, Modos de Visión, Audio) */
.hud-controls-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hud-oscilloscope-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 2px 6px;
}

#hud-oscilloscope {
  display: block;
}

.osc-label {
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* Selector de Modos de Visión */
.vision-mode-selector {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.vision-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.vision-btn .btn-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
  transition: var(--transition-fast);
}

.vision-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.vision-btn:active {
  transform: scale(0.97);
}

.vision-btn.active {
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.12);
  box-shadow: inset 0 0 8px rgba(0, 240, 255, 0.2);
}

.vision-btn.active .btn-dot {
  opacity: 1;
  box-shadow: 0 0 6px var(--accent-cyan);
}

/* Botón Maestro de Audio */
.hud-audio-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  cursor: pointer;
  transition: var(--transition-fast);
}

.hud-audio-btn:hover {
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.hud-audio-btn:active {
  transform: scale(0.97);
}

.hud-audio-btn.muted {
  color: var(--text-muted);
  border-color: var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
}

.audio-waves-icon {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 12px;
}

.wave-bar {
  width: 2px;
  height: 100%;
  background: currentColor;
  border-radius: 1px;
  animation: soundWaves 0.9s ease-in-out infinite alternate;
}

.wave-bar.bar-1 { animation-delay: 0.1s; height: 35%; }
.wave-bar.bar-2 { animation-delay: 0.3s; height: 75%; }
.wave-bar.bar-3 { animation-delay: 0.5s; height: 100%; }
.wave-bar.bar-4 { animation-delay: 0.2s; height: 50%; }

.hud-audio-btn.muted .wave-bar {
  animation: none;
  height: 25% !important;
  opacity: 0.5;
}

@keyframes soundWaves {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* --------------------------------------------------------------------------
   6. MÓDULO B: CÁMARA DE GRAVEDAD CERO & RELIQUIAS 3D
   -------------------------------------------------------------------------- */
.chamber-viewport {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  padding: 14px 0;
}

/* Selector Superior de Reliquias 3D */
.relic-selector-nav {
  pointer-events: auto;
  display: flex;
  gap: 8px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.relic-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 6px 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
}

.relic-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.relic-tab-info {
  display: flex;
  flex-direction: column;
}

.relic-title {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.relic-meta {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.relic-tab:hover {
  background: rgba(255, 255, 255, 0.04);
}

.relic-tab:active {
  transform: scale(0.97);
}

.relic-tab.active {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--border-glow);
  box-shadow: 0 0 14px var(--accent-cyan-glow);
}

.relic-tab.active .relic-num {
  color: var(--accent-cyan);
}

.relic-tab.active .relic-title {
  color: var(--accent-cyan);
}

/* Indicador Táctil Central */
.chamber-interaction-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 5px 14px;
  pointer-events: none;
  animation: fadeInOut 4s ease-in-out infinite;
}

.hint-crosshair {
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent-cyan);
  border-radius: 50%;
}

.hint-text {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.9; }
}

/* Muelle de Controles Físicos (Dock Inferior de la Cámara) */
.chamber-controls-dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 12px 30px rgba(0, 0, 0, 0.5);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.group-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-right: 4px;
}

.dock-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dock-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.dock-btn:active {
  transform: scale(0.97);
}

.dock-btn.active {
  background: rgba(0, 240, 255, 0.14);
  border-color: var(--border-glow);
  color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.dock-divider {
  width: 1px;
  height: 20px;
  background: var(--border-subtle);
}

.dock-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-glow);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  cursor: pointer;
  transition: var(--transition-fast);
}

.dock-action-btn:hover {
  background: rgba(0, 240, 255, 0.18);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.dock-action-btn:active {
  transform: scale(0.97);
}

.dock-action-btn.active {
  background: var(--accent-cyan);
  color: #030712;
  box-shadow: 0 0 16px var(--accent-cyan);
}

.dock-action-btn.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.dock-action-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   7. MÓDULO D: FICHA HOLOGRÁFICA DE DESCLASIFICACIÓN (Dossier Panel)
   -------------------------------------------------------------------------- */
.dossier-panel {
  position: fixed;
  right: 24px;
  top: 80px;
  bottom: 86px;
  width: 360px;
  max-width: calc(100vw - 48px);
  background: var(--bg-glass-elevated);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 20px 50px rgba(0, 0, 0, 0.65);
  display: flex;
  flex-direction: column;
  z-index: 40;
  pointer-events: auto;
  transform: translateX(110%);
  transition: transform 380ms var(--ease-drawer);
}

.dossier-panel.open {
  transform: translateX(0);
}

.dossier-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.dossier-close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.dossier-close-btn:active {
  transform: scale(0.95);
}

.dossier-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 20px;
  overflow-y: auto;
  height: 100%;
}

/* Personalización de scrollbar del dossier */
.dossier-inner::-webkit-scrollbar {
  width: 4px;
}

.dossier-inner::-webkit-scrollbar-track {
  background: transparent;
}

.dossier-inner::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.classification-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.classification-badge {
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: 4px;
  padding: 2px 7px;
}

.archive-code {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

.dossier-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  line-height: 1.25;
}

.dossier-era-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--accent-amber);
  margin-top: 4px;
}

/* Matriz de Especificaciones */
.dossier-specs-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px;
}

.spec-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.spec-value {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Crónica Histórica */
.section-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.dossier-chronicle {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Sintonizador de Resonancia Sonora */
.dossier-resonance-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
}

.resonance-readout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.freq-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.freq-tag {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.freq-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  text-shadow: 0 0 8px var(--accent-cyan-glow);
}

.spectrum-mini-wrap {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2px 4px;
}

#dossier-spectrum {
  display: block;
}

.resonance-trigger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.18), rgba(168, 85, 247, 0.18));
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px rgba(0, 240, 255, 0.12);
}

.resonance-trigger-btn:hover {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(168, 85, 247, 0.3));
  box-shadow: 0 0 20px var(--accent-cyan-glow);
  transform: translateY(-1px);
}

.resonance-trigger-btn:active {
  transform: scale(0.98);
}

.res-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulseBeacon 1.2s infinite;
}

.dossier-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.vault-sector {
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   8. MÓDULO C: LÍNEA TEMPORAL & NAVEGADOR DE ERAS (Aethel Engine)
   -------------------------------------------------------------------------- */
.hud-bottombar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 -8px 24px rgba(0, 0, 0, 0.45);
}

.timeline-navigator {
  display: flex;
  align-items: center;
  gap: 16px;
}

.timeline-label {
  display: flex;
  flex-direction: column;
}

.label-eyebrow {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.label-status {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.timeline-buttons {
  display: flex;
  align-items: center;
  gap: 4px;
}

.era-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 6px 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.era-index {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
}

.era-name {
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.era-range {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
}

.era-connector {
  width: 14px;
  height: 1px;
  background: var(--border-subtle);
}

.era-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.era-btn:active {
  transform: scale(0.97);
}

.era-btn.active {
  background: rgba(0, 240, 255, 0.14);
  border-color: var(--border-glow);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.era-btn.active .era-index,
.era-btn.active .era-name {
  color: var(--accent-cyan);
}

/* Ticker de Diagnósticos */
.system-diagnostics-ticker {
  flex: 1;
  max-width: 480px;
  overflow: hidden;
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 4px 10px;
}

.ticker-content {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  animation: tickerSlide 22s linear infinite;
}

@keyframes tickerSlide {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* --------------------------------------------------------------------------
   9. MODAL INICIAL DE BIENVENIDA & AUTORIZACIÓN DE AUDIO
   -------------------------------------------------------------------------- */
.welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  padding: 20px;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.welcome-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.welcome-card {
  max-width: 460px;
  width: 100%;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  padding: 36px 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px var(--accent-cyan-glow);
  animation: modalEnter 0.4s var(--ease-spring);
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.95) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.welcome-crest {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  animation: rotateRing 8s linear infinite;
  box-shadow: 0 0 16px var(--accent-cyan-glow);
}

.welcome-point {
  width: 10px;
  height: 10px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-cyan);
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.welcome-lead {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--accent-cyan);
}

.welcome-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.welcome-keys-hint {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 6px 12px;
}

.key-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--text-primary);
  font-weight: 700;
  margin: 0 2px;
}

.welcome-enter-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-cyan), #3b82f6);
  border: none;
  border-radius: 10px;
  padding: 14px 20px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #030712;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
}

.welcome-enter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(0, 240, 255, 0.6);
}

.welcome-enter-btn:active {
  transform: scale(0.97);
}

/* --------------------------------------------------------------------------
   10. RESPONSIVE & ADAPTACIÓN A DISPOSITIVOS MÓVILES
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hud-telemetry-center {
    display: none;
  }

  .dossier-panel {
    width: 320px;
  }

  .system-diagnostics-ticker {
    display: none;
  }
}

@media (max-width: 768px) {
  .nexus-interface {
    padding: 10px 12px;
  }

  .hud-topbar {
    padding: 8px 12px;
    gap: 10px;
  }

  .brand-status, .hud-oscilloscope-container {
    display: none;
  }

  .relic-selector-nav {
    flex-direction: column;
    width: 90%;
    max-width: 320px;
  }

  .chamber-controls-dock {
    flex-wrap: wrap;
    justify-content: center;
    padding: 8px;
    gap: 8px;
  }

  .dossier-panel {
    top: 70px;
    bottom: 80px;
    right: 12px;
    left: 12px;
    width: auto;
  }

  .hud-bottombar {
    flex-direction: column;
    padding: 8px 12px;
    gap: 8px;
  }

  .timeline-navigator {
    flex-direction: column;
    gap: 6px;
  }

  .era-connector {
    display: none;
  }

  .timeline-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }
}