/* ============================================================================
   PODCASTS INSPIRED LAYOUT - MVA+ Podcasts Page [OPTIMIZED]
   ========================================================================== */

html {
  scroll-behavior: smooth;
}

:root {
  /* Fallbacks para navegadores antigos que não suportam CSS Variables */
  --pod-primary: #b79bff;
  --pod-accent: #c38bff;
  --pod-dark: #050509;
  --pod-dark-secondary: #101017;
  --pod-light: #f3f3fb;
  --pod-border: #3f3f4d;
  --pod-text: #e5e5f0;
  --pod-text-muted: #a0a0b0;
  --pod-bg-dark: #1f1f1f;
  --pod-bg-lighter: #101017;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  /* Layout variables */
  --navbar-height: 90px;
  --sidebar-width-desktop: 250px;
  --sidebar-width-tablet: 160px;
  --player-height: 60px;
  --footer-height: 60px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  /* Dark mode fallback colors */
  color-scheme: dark;
}

@supports not (--css: variables) {

  /* Fallback para navegadores que não suportam CSS Variables */
  body {
    background-color: #1f1f1f;
    color: #e5e5f0;
  }

  .podcasts {
    background-color: #1f1f1f;
    color: #ffffff;
  }
}

/* Reset para apenas elementos dentro do layout de podcasts */
.podcasts-layout,
.podcasts-layout * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ============================================================================
   CONTENT WRAPPER PODCASTS - Isolado do tema público
   ========================================================================== */

.content-wrapper-podcasts {
  margin: 0 auto;
  max-width: 1920px;
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
  /* Garantir que nenhum espaçamento do tema público interfira */
  --safe-margin-lr: 0 !important;
}

.podcasts {
  background: var(--pod-bg-dark);
  color: #ffffff;
  min-height: calc(100vh - var(--navbar-height));
  font-family: -apple-system, BlinkMacSystemFont, Apple Color Emoji, SF Pro, SF Pro Icons, Helvetica Neue, Helvetica, Arial, sans-serif;
}

/* Main Layout - Podcasts Style */
.podcasts-layout {
  display: flex;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  background: var(--pod-bg-dark);
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, Apple Color Emoji, SF Pro, SF Pro Icons, Helvetica Neue, Helvetica, Arial, sans-serif;
  padding-top: 60px;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Consolidar estilos comuns para melhor performance */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Shimmer Animation for Loading States */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Scrollbar Styles */
.podcasts-main-content::-webkit-scrollbar,
.podcasts-sidebar-left::-webkit-scrollbar {
  width: 8px;
}

.podcasts-sidebar-left::-webkit-scrollbar {
  width: 6px;
}

.podcasts-main-content::-webkit-scrollbar-track,
.podcasts-sidebar-left::-webkit-scrollbar-track {
  background: var(--pod-bg-dark);
}

.podcasts-sidebar-left::-webkit-scrollbar-track {
  background: var(--pod-dark-secondary);
}

.podcasts-main-content::-webkit-scrollbar-thumb,
.podcasts-sidebar-left::-webkit-scrollbar-thumb {
  background: #424245;
  border-radius: 4px;
}

.podcasts-main-content::-webkit-scrollbar-thumb:hover,
.podcasts-sidebar-left::-webkit-scrollbar-thumb:hover {
  background: #555558;
}

/* Transition Mask (Vignette) - Scoped to Content Area */
.layout-container {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  position: relative;
  min-height: 100vh;
  /* Ensure full height for vignette */
}

.layout-container.active {
  display: block;
  opacity: 1;
  /* Intro animation handled by JS/opacity transition */
}

/* Vignette Effect Class - To be toggled by JS on the container */
.vignette-effect::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
  background: radial-gradient(circle, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.vignette-effect.vignette-active::after {
  opacity: 1;
}

/* Toast Notifications */
.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #2a2a2e;
  color: #ffffff;
  padding: 14px 22px;
  border-radius: 10px;
  z-index: 10000;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  animation: slideInUp 0.3s ease;
  border-left: 3px solid var(--pod-primary);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================================
   INFINITE SCROLL - LOADING SPINNER
   ============================================================================ */

.infinite-scroll-sentinel {
  width: 100%;
  height: 1px;
  pointer-events: none;
}

.infinite-scroll-spinner {
  display: none;
  width: 100%;
  padding: 48px 24px;
  justify-content: center;
  align-items: center;
  background: var(--pod-bg-dark);
  border-top: 1px solid rgba(66, 66, 69, 0.3);
  margin-top: 32px;
}

.infinite-scroll-spinner.show {
  display: flex;
}

.spinner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner-animation {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
}

.spinner-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pod-accent);
  animation: spinner-bounce 1.4s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
  animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes spinner-bounce {

  0%,
  80%,
  100% {
    transform: scale(0.8);
    opacity: 0.7;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.spinner-text {
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: #a1a1a6;
  text-align: center;
  letter-spacing: 0.5px;
}

/* ============================================================================
   ACESSIBILIDADE (WCAG 2.1)
   ========================================================================== */

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus visible para navegação por teclado */
.podcast-nav-item:focus-visible,
.play-btn:focus-visible,
.control-btn:focus-visible,
.podcasts-sidebar-toggle:focus-visible {
  outline: 2px solid var(--pod-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Ocultar botão de toggle da sidebar em desktop (>768px) */
@media (min-width: 768.01px) {
  .podcasts-sidebar-toggle {
    display: none !important;
  }
}

/* Transição suave para alternância de ícone */
.podcasts-sidebar-toggle i {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease;
}

/* Melhorar contraste para leitura */
.card-title,
.section-title,
.featured-title {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Reduzir animações para usuários que preferem */
@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;
  }

  .podcast-grid-card:hover {
    transform: none;
  }

  .play-btn:hover {
    transform: scale(1.05);
  }
}

/* Alto contraste */
@media (prefers-contrast: high) {
  .podcast-grid-card {
    border: 2px solid #ffffff;
  }

  .card-overlay {
    background: rgba(0, 0, 0, 0.8);
  }

  .podcast-nav-item.active {
    border: 2px solid var(--pod-accent);
  }
}

/* ============================================================================
   PERFORMANCE - RENDERIZAÇÃO PRIORITÁRIA
   ========================================================================== */

/* Content Visibility para seções não visíveis */
.podcasts-section:not([style*="display: block"]) {
  content-visibility: auto;
  contain-intrinsic-size: 500px;
}

/* GPU acceleration para elementos animados */
.podcast-grid-card,
.play-btn,
.control-btn,
.player-artwork {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Prevenção de reflow em imagens */
.card-image img,
.player-artwork img,
.featured-image img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}