/* ==========================================================================
   GaleriApp — Sismo Digital
   Diseño: Cinematic Heritage & Culture (Streaming Multimedia)
   Arquitectura Nativa CSS Mobile-First • Sin frameworks
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Paleta Base Cinemática */
  --surface-base: #0b0d13;
  --surface-raised: #131722;
  --surface-overlay: #1b2030;
  --surface-container: #1e2233;
  --surface-border: #283046;
  --surface-border-subtle: rgba(255, 255, 255, 0.08);

  /* Acentos Cromáticos */
  --primary-cyan: #00f0ff;
  --primary-cyan-glow: rgba(0, 240, 255, 0.28);
  --secondary-carmine: #ff3366;
  --secondary-carmine-glow: rgba(255, 51, 102, 0.28);
  --tertiary-amber: #f59e0b;
  --tertiary-amber-glow: rgba(245, 158, 11, 0.25);

  /* Tipografía y Textos */
  --text-main: #f7f4ec;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Badges */
  --badge-speedyapp: #00f0ff;
  --badge-video: #ff3366;
  --badge-audio: #f59e0b;
  --badge-image: #38bdf8;
  --badge-text: #a855f7;

  /* Medidas & Bordes */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Dimensiones Táctiles */
  --touch-min: 44px;
  --header-height: 64px;
  --max-content-width: 1480px;

  /* Transiciones */
  --ease-cinematic: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration-medium: 300ms;
}

/* Reset y caja */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-family: var(--font-family);
  background-color: var(--surface-base);
  color: var(--text-main);
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background-color: var(--surface-base);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 240, 255, 0.08), transparent 70%),
    radial-gradient(circle 900px at 100% 40%, rgba(255, 51, 102, 0.04), transparent 60%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}

/* Tipografía Escalar */
h1, h2, h3, h4, h5 {
  color: #ffffff;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-muted);
}

a {
  color: var(--primary-cyan);
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

/* Botones Principales */
.btn-primary {
  background: var(--primary-cyan);
  color: #05070a;
  font-weight: 700;
  font-size: 0.938rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 18px var(--primary-cyan-glow);
  transition: transform var(--duration-fast) var(--ease-cinematic), box-shadow var(--duration-fast);
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0, 240, 255, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border: 1px solid var(--surface-border-subtle);
  font-weight: 600;
  font-size: 0.938rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  gap: 0.5rem;
  transition: background var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-carmine {
  background: var(--secondary-carmine);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.938rem;
  padding: 0 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 18px var(--secondary-carmine-glow);
  gap: 0.5rem;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast);
}

.btn-carmine:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(255, 51, 102, 0.45);
}

.btn-icon {
  width: var(--touch-min);
  height: var(--touch-min);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border-subtle);
  color: var(--text-main);
  transition: all var(--duration-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--primary-cyan);
  border-color: var(--primary-cyan);
}

/* ==========================================================================
   Header Superior & Barra de Navegación
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  background: rgba(11, 13, 19, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--surface-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

@media (max-width: 680px) {
  .app-header {
    padding: 0.6rem 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .brand-wrapper {
    flex: 1;
  }
  .header-actions {
    flex-shrink: 0;
  }
  .role-nav {
    order: 3;
    width: 100%;
    display: flex;
    justify-content: stretch;
  }
  .role-btn {
    flex: 1;
    text-align: center;
    padding: 0.35rem 0.4rem;
    font-size: 0.72rem;
  }
  .arch-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
}

@media (min-width: 768px) {
  .app-header {
    padding: 0 2rem;
  }
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.brand-logo-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
}

.brand-text-container {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-title .badge-tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  background: rgba(0, 240, 255, 0.15);
  color: var(--primary-cyan);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Selector de Roles y Arquitectura */
.role-nav {
  display: flex;
  align-items: center;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.role-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  min-height: 32px;
  transition: all var(--duration-fast);
}

.role-btn.active {
  background: var(--surface-container);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.role-btn.active.role-superadmin {
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 240, 255, 0.4);
}

.role-btn.active.role-useradmin {
  color: var(--tertiary-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.role-btn.active.role-public {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Badge de Modo Offline */
.offline-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fbbf24;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fbbf24;
  animation: pulse 1.6s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* Barra Informativa de Arquitectura */
.arch-banner {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.08), rgba(255, 51, 102, 0.08));
  border-bottom: 1px solid var(--surface-border-subtle);
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.arch-banner strong {
  color: var(--primary-cyan);
}

.arch-pills {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.arch-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 600;
  color: #cbd5e1;
}

/* ==========================================================================
   VISTA PÚBLICA (Streaming & Slider Multimedia)
   ========================================================================== */
.main-wrapper {
  flex: 1;
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 0 4rem 0;
}

/* Hero Spotlight / Portada Principal */
.hero-spotlight {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  padding: 2.5rem 1rem 3rem 1rem;
  margin-bottom: 2rem;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
  background-color: var(--surface-raised);
}

@media (min-width: 768px) {
  .hero-spotlight {
    min-height: 600px;
    padding: 3.5rem 3rem;
    margin: 1rem 1rem 2.5rem 1rem;
    border-radius: var(--radius-xl);
  }
}

.hero-backdrop-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.65) saturate(1.15);
  transform: scale(1.02);
  transition: transform 6s ease-out;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    var(--surface-base) 10%,
    rgba(11, 13, 19, 0.8) 45%,
    rgba(11, 13, 19, 0.25) 85%,
    rgba(11, 13, 19, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-meta-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.hero-category-tag {
  background: rgba(0, 240, 255, 0.18);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 240, 255, 0.4);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-badge-live {
  background: rgba(255, 51, 102, 0.2);
  color: var(--secondary-carmine);
  border: 1px solid rgba(255, 51, 102, 0.4);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.25rem;
  }
}

.hero-description {
  font-size: 1rem;
  color: #cbd5e1;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.125rem;
  }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.hero-counter-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* Categorías Filtro en Barra Horizontal */
.categories-filter-bar {
  padding: 0 1rem 1.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.categories-filter-bar::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .categories-filter-bar {
    padding: 0 2rem 1.75rem 2rem;
  }
}

.cat-chip {
  white-space: nowrap;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border-subtle);
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--duration-fast);
}

.cat-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.cat-chip.active {
  background: #ffffff;
  color: #0b0d13;
  font-weight: 700;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   CARRUSELES Y SLIDERS HORIZONTALES (Netflix / Disney+ style)
   ========================================================================== */
.rail-section {
  margin-bottom: 2.75rem;
  position: relative;
}

.rail-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0 1rem 0.85rem 1rem;
}

@media (min-width: 768px) {
  .rail-header {
    padding: 0 2rem 1rem 2rem;
  }
}

.rail-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.rail-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

@media (min-width: 768px) {
  .rail-title {
    font-size: 1.45rem;
  }
}

.rail-badge-count {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border-subtle);
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
}

.rail-controls {
  display: none;
  align-items: center;
  gap: 0.4rem;
}

@media (min-width: 768px) {
  .rail-controls {
    display: flex;
  }
}

.rail-arrow-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--surface-border-subtle);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.rail-arrow-btn:hover {
  background: var(--primary-cyan);
  color: #0b0d13;
  box-shadow: 0 0 14px var(--primary-cyan-glow);
}

/* Pista Desplazable del Carrusel */
.rail-track-container {
  position: relative;
  width: 100%;
}

.rail-track {
  display: flex;
  gap: 1rem;
  padding: 0.5rem 1rem 1.25rem 1rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.rail-track::-webkit-scrollbar {
  display: none;
}

@media (min-width: 768px) {
  .rail-track {
    gap: 1.25rem;
    padding: 0.5rem 2rem 1.5rem 2rem;
  }
}

/* Tarjeta Multimedia del Carrusel */
.media-card {
  flex: 0 0 calc(75vw - 1rem);
  max-width: 320px;
  scroll-snap-align: start;
  background: var(--surface-raised);
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border-subtle);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--duration-medium) var(--ease-cinematic), box-shadow var(--duration-medium), border-color var(--duration-medium);
}

@media (min-width: 480px) {
  .media-card {
    flex: 0 0 260px;
  }
}

@media (min-width: 768px) {
  .media-card {
    flex: 0 0 280px;
    max-width: 300px;
  }
}

@media (min-width: 1200px) {
  .media-card {
    flex: 0 0 300px;
  }
}

.media-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.15);
  z-index: 5;
}

.media-card:focus-visible {
  outline: 2px solid var(--primary-cyan);
  outline-offset: 2px;
}

/* Contenedor de la Imagen/Thumbnail */
.card-media-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #000000;
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-cinematic);
}

.media-card:hover .card-img {
  transform: scale(1.06);
}

.card-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(19, 23, 34, 0.9) 0%, transparent 60%);
}

/* Badges sobre la Tarjeta */
.card-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  backdrop-filter: blur(8px);
}

.card-badge.badge-speedyapp {
  background: rgba(0, 240, 255, 0.2);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 240, 255, 0.5);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.card-badge.badge-video {
  background: rgba(255, 51, 102, 0.25);
  color: var(--secondary-carmine);
  border: 1px solid rgba(255, 51, 102, 0.5);
}

.card-badge.badge-audio {
  background: rgba(245, 158, 11, 0.25);
  color: var(--tertiary-amber);
  border: 1px solid rgba(245, 158, 11, 0.5);
}

.card-badge.badge-imagen {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.card-badge.badge-texto {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.4);
}

.card-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-fast);
  background: rgba(0, 0, 0, 0.35);
}

.media-card:hover .card-play-overlay {
  opacity: 1;
}

.play-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-cyan);
  color: #05070a;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--primary-cyan-glow);
  transform: scale(0.9);
  transition: transform var(--duration-fast);
}

.media-card:hover .play-circle {
  transform: scale(1);
}

/* Cuerpo de la Tarjeta */
.card-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.4rem;
}

.card-category {
  font-size: 0.72rem;
  color: var(--primary-cyan);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.card-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 0.2rem;
}

.card-footer {
  margin-top: auto;
  padding-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--surface-border-subtle);
  font-size: 0.74rem;
  color: var(--text-dim);
}

.card-action-text {
  font-weight: 700;
  color: var(--primary-cyan);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ==========================================================================
   MODAL DE DETALLE Y FICHA MULTIMEDIA (Liviano)
   ========================================================================== */
.modal-scrim {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(11, 13, 19, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-medium) var(--ease-cinematic);
}

.modal-scrim.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 960px;
  max-height: 92vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--duration-medium) var(--ease-cinematic);
}

.modal-scrim.open .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(11, 13, 19, 0.7);
  border: 1px solid var(--surface-border-subtle);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast);
}

.modal-close-btn:hover {
  background: var(--secondary-carmine);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-media-viewport {
  position: relative;
  width: 100%;
  background: #000000;
  max-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.modal-media-viewport img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
}

.modal-media-viewport video {
  width: 100%;
  max-height: 520px;
  background: #000000;
}

.modal-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(11, 13, 19, 0.75);
  border: 1px solid var(--surface-border-subtle);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 8;
  transition: all var(--duration-fast);
}

.modal-nav-arrow.prev { left: 14px; }
.modal-nav-arrow.next { right: 14px; }

.modal-nav-arrow:hover {
  background: var(--primary-cyan);
  color: #0b0d13;
}

.modal-content-details {
  padding: 1.5rem 1.25rem 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .modal-content-details {
    padding: 2rem 2.5rem;
  }
}

.modal-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

@media (min-width: 768px) {
  .modal-title {
    font-size: 1.85rem;
  }
}

.modal-description {
  font-size: 1rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  background: var(--surface-container);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
}

.spec-val {
  font-size: 0.88rem;
  color: #ffffff;
  font-weight: 600;
}

.modal-footer-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

/* ==========================================================================
   SPEEDYAPP MODAL EMBED / VISOR INTERACTIVO
   ========================================================================== */
.speedyapp-sandbox-frame {
  width: 100%;
  height: 520px;
  background: #06080d;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.speedy-live-browser-bar {
  background: var(--surface-container);
  border-bottom: 1px solid var(--surface-border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.browser-dots {
  display: flex;
  gap: 6px;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.browser-url-bar {
  flex: 1;
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.85rem;
  color: var(--primary-cyan);
  font-family: monospace;
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   PANELES DE ADMINISTRACIÓN (SUPERADMIN Y ADMIN USUARIO)
   ========================================================================== */
.admin-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1rem;
}

@media (min-width: 992px) {
  .admin-layout {
    grid-template-columns: 280px 1fr;
    padding: 1.5rem 2rem;
    gap: 2rem;
  }
}

.admin-sidebar {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  height: fit-content;
}

.admin-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  list-style: none;
}

.admin-nav-item button {
  width: 100%;
  justify-content: flex-start;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  gap: 0.75rem;
  transition: all var(--duration-fast);
}

.admin-nav-item button:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.admin-nav-item.active button {
  background: rgba(0, 240, 255, 0.12);
  color: var(--primary-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.admin-nav-item.active.user-mode button {
  background: rgba(245, 158, 11, 0.12);
  color: var(--tertiary-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Contenido Principal de Admin */
.admin-workspace {
  background: var(--surface-raised);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .admin-workspace {
    padding: 2.25rem;
  }
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--surface-border-subtle);
  padding-bottom: 1.25rem;
}

.workspace-title-group h2 {
  font-size: 1.5rem;
  font-weight: 800;
}

.workspace-title-group p {
  font-size: 0.85rem;
}

/* Tarjetas de Estadísticas */
.stats-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--surface-container);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: #ffffff;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

/* Formularios de Configuración */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .form-grid.two-cols {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #e2e8f0;
}

.form-input, .form-textarea, .form-select {
  background: var(--surface-base);
  border: 1px solid var(--surface-border);
  color: #ffffff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--duration-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.18);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Lista de Elementos en Administrador */
.items-manager-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.item-row {
  background: var(--surface-container);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color var(--duration-fast);
}

.item-row:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.item-row-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 0;
}

.item-thumb-mini {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #000000;
  flex-shrink: 0;
}

.item-meta-texts {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.item-row-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-row-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.item-row-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Switch Toggle Nativo */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #334155;
  transition: .3s;
  border-radius: var(--radius-pill);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--primary-cyan);
}

input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* Visor de Código JSON / Estructura PHP Ready */
.code-preview-box {
  background: #06080d;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.78rem;
  color: #38bdf8;
  max-height: 420px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ==========================================================================
   NOTIFICACIONES TOAST & PWA INSTALL BANNER
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--surface-overlay);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  animation: slideToast 0.3s var(--ease-cinematic);
}

.toast.toast-success {
  border-color: rgba(0, 240, 255, 0.4);
}

.toast.toast-warning {
  border-color: rgba(245, 158, 11, 0.4);
}

@keyframes slideToast {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Guía de Instalación iOS Safari */
.ios-install-sheet {
  background: var(--surface-container);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==========================================================================
   ACCESIBILIDAD & REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}