/**
 * fx-library.css
 * Biblioteca de efectos visuales para eventos.
 * Todos los efectos usan variables CSS que se inyectan por evento.
 */

/* ============================================================
   VARIABLES DE EVENTO (se sobreescriben por JS)
   ============================================================ */
.evento-root,
#vista-publica {
  --evento-fondo: #0a0a0a;
  --evento-texto: #f2f2f2;
  --evento-texto-sec: #f2f2f2;
  --evento-acento-1: #f7ff1a;
  --evento-acento-2: #c1121f;
  --evento-borde: #f7ff1a;
  --evento-superficie: rgba(255,255,255,0.05);

  --font-titulo: 'Anton', sans-serif;
  --font-subtitulo: 'Bebas Neue', sans-serif;
  --font-cuerpo: 'Special Elite', monospace;
}

/* ============================================================
   FUENTES
   ============================================================ */
.fx-font-titulo { font-family: var(--font-titulo) !important; }
.fx-font-subtitulo { font-family: var(--font-subtitulo) !important; }
.fx-font-cuerpo { font-family: var(--font-cuerpo) !important; }

/* ============================================================
   EFECTOS DE TEXTO
   ============================================================ */
.fx-text-neon {
  color: var(--evento-texto);
  text-shadow:
    0 0 5px var(--evento-acento-1),
    0 0 10px var(--evento-acento-1),
    0 0 20px var(--evento-acento-1),
    0 0 40px var(--evento-acento-1);
}

.fx-text-glitch {
  position: relative;
  color: var(--evento-texto);
  animation: fx-glitch-skew 2.5s infinite linear alternate-reverse;
}
.fx-text-glitch::before,
.fx-text-glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.fx-text-glitch::before {
  color: var(--evento-acento-2);
  animation: fx-glitch-1 2s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}
.fx-text-glitch::after {
  color: var(--evento-acento-1);
  animation: fx-glitch-2 2.5s infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}
@keyframes fx-glitch-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(2px, -2px); }
  60% { transform: translate(-2px, 0); }
  80% { transform: translate(2px, 2px); }
  100% { transform: translate(0); }
}
@keyframes fx-glitch-2 {
  0% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(-2px, 2px); }
  60% { transform: translate(2px, 0); }
  80% { transform: translate(-2px, -2px); }
  100% { transform: translate(0); }
}
@keyframes fx-glitch-skew {
  0% { transform: skew(0deg); }
  20% { transform: skew(2deg); }
  40% { transform: skew(-2deg); }
  60% { transform: skew(1deg); }
  80% { transform: skew(-1deg); }
  100% { transform: skew(0deg); }
}

.fx-text-gradient {
  background: linear-gradient(90deg, var(--evento-acento-1), var(--evento-acento-2), var(--evento-acento-1));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fx-text-shine 3s linear infinite;
}
@keyframes fx-text-shine {
  to { background-position: 200% center; }
}

.fx-text-shimmer {
  background: linear-gradient(90deg, var(--evento-texto) 0%, var(--evento-acento-1) 50%, var(--evento-texto) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fx-text-shine 2s linear infinite;
}

/* ============================================================
   FONDOS
   ============================================================ */
.fx-bg-aurora {
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255,255,255,0.08), transparent 50%),
    radial-gradient(ellipse at 80% 80%, var(--evento-acento-1), transparent 55%),
    radial-gradient(ellipse at 50% 50%, var(--evento-acento-2), transparent 60%),
    var(--evento-fondo);
  background-size: 200% 200%;
  animation: fx-aurora 15s ease-in-out infinite;
}
@keyframes fx-aurora {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.fx-bg-mesh {
  background:
    radial-gradient(at 30% 30%, var(--evento-acento-1), transparent 50%),
    radial-gradient(at 70% 70%, var(--evento-acento-2), transparent 50%),
    var(--evento-fondo);
  background-size: 120% 120%;
  animation: fx-mesh 10s ease-in-out infinite alternate;
}
@keyframes fx-mesh {
  0% { background-size: 120% 120%; background-position: 0% 0%; }
  100% { background-size: 150% 150%; background-position: 100% 100%; }
}

/* Starfield se implementa con canvas en JS; esta clase reserva el contenedor */
.fx-bg-starfield {
  position: relative;
  overflow: hidden;
}
.fx-bg-starfield::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, var(--evento-acento-1) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.15;
  animation: fx-starfield 120s linear infinite;
  pointer-events: none;
}
@keyframes fx-starfield {
  from { background-position: 0 0; }
  to { background-position: 0 1000px; }
}

.fx-bg-vortex {
  background:
    conic-gradient(from 0deg, transparent, var(--evento-acento-1), transparent, var(--evento-acento-2), transparent),
    var(--evento-fondo);
  background-size: 200% 200%;
  animation: fx-vortex 20s linear infinite;
}
@keyframes fx-vortex {
  to { transform: rotate(360deg); }
}

/* ============================================================
   TEXTURAS
   ============================================================ */
body:not(.fx-grain) .grain-overlay,
body:not(.fx-grain) .fx-grain-overlay {
  opacity: 0 !important;
}
.fx-grain .grain-overlay,
.fx-grain .fx-grain-overlay {
  opacity: 0.35 !important;
}

body:not(.fx-scanlines) .scanlines-overlay,
body:not(.fx-scanlines) .fx-scanlines-overlay {
  opacity: 0 !important;
}
.fx-scanlines .scanlines-overlay,
.fx-scanlines .fx-scanlines-overlay {
  opacity: 0.15 !important;
}

.fx-vignette .hero__vignette,
.fx-vignette .fx-vignette {
  box-shadow: inset 0 0 120px rgba(0,0,0,0.8);
}

/* ============================================================
   TARJETAS Y BOTONES
   ============================================================ */
.fx-card-glass {
  background: var(--evento-superficie) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
}

.fx-card-glow {
  border: 1px solid var(--evento-acento-1) !important;
  box-shadow: 0 0 20px rgba(var(--evento-acento-1-rgb, 247,255,26), 0.25) !important;
}

.fx-btn-neon {
  color: var(--evento-acento-1) !important;
  border-color: var(--evento-acento-1) !important;
  box-shadow: 0 0 10px var(--evento-acento-1), inset 0 0 10px var(--evento-acento-1) !important;
  text-shadow: 0 0 5px var(--evento-acento-1) !important;
}

.fx-btn-gradient {
  background: linear-gradient(90deg, var(--evento-acento-1), var(--evento-acento-2)) !important;
  color: var(--evento-fondo) !important;
  border: none !important;
}

/* ============================================================
   UTILIDADES DE COLORES
   ============================================================ */
.fx-color-fondo { background-color: var(--evento-fondo) !important; }
.fx-color-texto { color: var(--evento-texto) !important; }
.fx-color-acento-1 { color: var(--evento-acento-1) !important; }
.fx-color-acento-2 { color: var(--evento-acento-2) !important; }
.fx-border-acento-1 { border-color: var(--evento-acento-1) !important; }

/* ============================================================
   ANIMACIONES DE QR
   ============================================================ */
.fx-qr-pulse {
  animation: fx-qr-pulse 2s ease-in-out infinite;
}
@keyframes fx-qr-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(0,0,0,0); }
  50% { transform: scale(1.03); box-shadow: 0 0 20px var(--evento-acento-1); }
}

.fx-qr-glow {
  box-shadow: 0 0 15px var(--evento-acento-1);
  animation: fx-qr-glow 2s ease-in-out infinite alternate;
}
@keyframes fx-qr-glow {
  from { box-shadow: 0 0 5px var(--evento-acento-1); }
  to { box-shadow: 0 0 25px var(--evento-acento-1); }
}

/* ============================================================
   PANTALLA DE CARGA
   ============================================================ */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: var(--evento-fondo, #0a0a0a);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-overlay__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255,255,255,0.1);
  border-top-color: var(--evento-acento-1, #f7ff1a);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.loading-overlay__text {
  font-family: var(--font-stencil);
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: var(--evento-texto, #f2f2f2);
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .loading-overlay__spinner { animation: none; }
}

/* Reducir movimiento para accesibilidad */
@media (prefers-reduced-motion: reduce) {
  .fx-text-glitch,
  .fx-text-gradient,
  .fx-text-shimmer,
  .fx-qr-pulse,
  .fx-qr-glow,
  .fx-bg-aurora,
  .fx-bg-mesh,
  .fx-bg-starfield,
  .fx-bg-vortex {
    animation: none !important;
  }
  .fx-text-glitch::before,
  .fx-text-glitch::after {
    display: none;
  }
}

/* Forzar fondo de hero según el efecto elegido */
.hero.fx-bg-aurora,
.hero.fx-bg-mesh,
.hero.fx-bg-vortex {
  background: var(--evento-fondo) !important;
}
.hero.fx-bg-starfield {
  background: var(--evento-fondo) !important;
}