/* ==========================================================================
   CARTELERA DIGITAL IETS - ESTILOS DEL VISOR PRINCIPAL
   Ultra ligero, diseño institucional moderno y optimizado para pantallas 24/7
   ========================================================================== */

:root {
  --font-primary: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Paleta Institucional IETS */
  --color-bg-deep: #060e17;
  --color-bg-surface: #0c1a2d;
  --color-primary: #00b4d8;
  --color-primary-glow: rgba(0, 180, 216, 0.35);
  --color-accent: #00e5ff;
  --color-teal: #00a896;
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.12);
  --color-glass: rgba(12, 26, 45, 0.65);
  
  /* Tiempos */
  --transition-speed: 0.8s;
  --kiosk-control-radius: 999px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--color-bg-deep);
  color: var(--color-text-main);
  font-family: var(--font-primary);
  user-select: none;
  -webkit-user-select: none;
}

/* Modo Kiosco: Ocultamiento automático de cursor tras 3s de inactividad */
body.hide-cursor {
  cursor: none !important;
}

body.hide-cursor .kiosk-hud {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Ocultar badge y drawer flotante de Netlify */
netlify-drawer,
#netlify-drawer,
iframe[src*="netlify"],
[data-netlify-deploy-preview],
.netlify-badge {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Contenedor Maestro de Pantalla */
#cartelera-app {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
  overflow: hidden;
}

/* Capa de fondo con desenfoque ambiental de la diapositiva activa */
.ambient-backdrop {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background-size: cover;
  background-position: center;
  filter: blur(48px) brightness(0.35);
  opacity: 0.7;
  transform: scale(1.05);
  transition: background-image 1s ease-in-out;
  z-index: 1;
  pointer-events: none;
}

/* Escenario de Diapositivas */
.slides-stage {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
              transform var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.02);
}

.slide-item.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
}

/* Estilos de transición */
.transition-slide .slide-item {
  transform: translate3d(100%, 0, 0);
}
.transition-slide .slide-item.active {
  transform: translate3d(0, 0, 0);
}
.transition-slide .slide-item.exiting {
  transform: translate3d(-100%, 0, 0);
  opacity: 0;
  visibility: visible;
}

.transition-zoom .slide-item {
  transform: scale(1.08);
}
.transition-zoom .slide-item.active {
  transform: scale(1);
}

.slide-image {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  display: block;
}

/* Barra de Progreso Superior/Inferior */
.progress-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 10;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  box-shadow: 0 0 12px var(--color-primary-glow);
  transform-origin: left;
}

.progress-bar.animating {
  animation-name: fillProgress;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

@keyframes fillProgress {
  from { width: 0%; }
  to { width: 100%; }
}

/* Interfaz Head-Up Display (HUD) y Controles */
.kiosk-hud {
  position: absolute;
  inset: 0;
  z-index: 9;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.25rem;
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--kiosk-control-radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: #fff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  pointer-events: auto;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.35); opacity: 1; }
}

.clock-badge {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.5rem 1.25rem;
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--kiosk-control-radius);
  color: var(--color-accent);
}

/* Controles Inferiores (Pausa, Navegación, Fullscreen) */
.hud-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.counter-pill {
  padding: 0.5rem 1.25rem;
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--kiosk-control-radius);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.counter-pill span.highlight {
  color: var(--color-accent);
  font-weight: 800;
}

.interactive-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
}

.btn-ctrl {
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1.1rem;
}

.btn-ctrl:hover {
  background: rgba(0, 180, 216, 0.3);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  color: var(--color-accent);
}

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

.btn-admin {
  background: var(--color-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: var(--kiosk-control-radius);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  pointer-events: auto;
}

.btn-admin:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* Notificación Flotante de Actualización */
.sync-toast {
  position: absolute;
  top: 4.5rem;
  right: 2rem;
  z-index: 100;
  background: rgba(0, 168, 150, 0.9);
  backdrop-filter: blur(16px);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.sync-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Pantalla de Espera o Sin Diapositivas */
.empty-state {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(circle at center, #0f2744 0%, #060e17 100%);
}

.empty-state img.logo-standby {
  width: 220px;
  height: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(0 0 20px rgba(0, 180, 216, 0.4));
}

.empty-state h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #fff 40%, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.empty-state p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.btn-cta-admin {
  background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: 0 10px 25px rgba(0, 180, 216, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-cta-admin:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 180, 216, 0.5);
}

/* Iconos SVG inline */
.icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}