/* ==========================================================================
   CONSELHO ESCOLAR DEMOCRÁTICO - DIRETRIZES MEC & LEI 14.644/2023
   Folha de Estilos Avançada com Efeito Cascata Scrollytelling
   ========================================================================== */

/* Importação de fontes (fallback se CDN não carregar) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);
  
  /* Paleta Oficial Inspirada na Educação Pública */
  --color-primary: #0c2340;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;
  --color-sky-500: #0ea5e9;
  --color-amber-500: #f59e0b;
  --color-emerald-500: #10b981;
  --color-purple-500: #8b5cf6;
  
  --bg-slate-50: #f8fafc;
  --bg-slate-900: #0f172a;
  --bg-slate-950: #020617;
}

/* Reset Básico e Tipografia */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-slate-50);
  color: #1e293b;
  overflow-x: hidden;
}

.font-display {
  font-family: var(--font-display);
}

/* Scrollbar Personalizada */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2563eb;
}

/* Utilitários Tailwind Auxiliares e Layout */
.max-w-7xl {
  max-width: 80rem;
}

.h-18 {
  height: 4.5rem;
}

/* Efeito Cascata Scrollytelling (Scroll Track & Sticky Viewport) */
#cascade-scroll-track {
  position: relative;
  /* Altura proporcional calculada para fornecer 5 estágios de rolagem confortáveis */
  min-height: 450vh;
}

#cascade-sticky-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: radial-gradient(circle at 50% 20%, #1e293b 0%, #0f172a 60%, #020617 100%);
  display: flex;
  flex-direction: column;
}

/* Os Cards da Cascata */
.cascade-card {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s ease;
  will-change: transform, opacity, filter;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Estados da Cascata */
/* 1. Ativo no centro */
.cascade-card.is-active {
  opacity: 1;
  transform: translateY(0) scale(1) rotate(0deg);
  filter: blur(0px);
  pointer-events: auto;
  z-index: 25;
}

/* 2. Já passou (empilhado no topo, ligeiramente recolhido como cascata de folhas) */
.cascade-card.is-passed {
  opacity: 0.12;
  transform: translateY(-45px) scale(0.92) rotate(-1deg);
  filter: blur(3px);
  pointer-events: none;
  z-index: 10;
}

/* 3. Próximo (aguardando abaixo) */
.cascade-card.is-upcoming {
  opacity: 0;
  transform: translateY(70px) scale(0.94) rotate(1deg);
  filter: blur(4px);
  pointer-events: none;
  z-index: 5;
}

/* Botões da Linha do Tempo da Cascata */
.cascade-nav-step {
  outline: none;
  cursor: pointer;
}

.cascade-nav-step.active-step {
  background-color: var(--color-blue-600);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

/* Linha do Tempo Lateral Flutuante */
#floating-timeline {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.timeline-dot-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-dot-btn.active .dot-indicator {
  border-color: var(--color-blue-600);
  background-color: var(--color-blue-600);
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

/* Animações e Efeitos Glass */
.glass-effect {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* Simulador Interativo - Opções */
.quiz-opt-btn {
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-opt-btn:hover:not(:disabled) {
  transform: translateX(4px);
  border-color: #3b82f6;
  background-color: rgba(59, 130, 246, 0.1);
}

.quiz-opt-btn.correct-choice {
  background-color: rgba(16, 185, 129, 0.2) !important;
  border-color: #10b981 !important;
  color: #a7f3d0 !important;
}

.quiz-opt-btn.wrong-choice {
  background-color: rgba(239, 68, 68, 0.2) !important;
  border-color: #ef4444 !important;
  color: #fecaca !important;
}

/* Accordion FAQ */
.faq-item {
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
}

.faq-icon {
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #2563eb;
}

/* Suporte de Impressão */
@media print {
  #main-header,
  #floating-timeline,
  #reading-progress-bar,
  #simulador,
  .cascade-nav-step,
  #cascade-prev-btn,
  #cascade-next-btn,
  footer {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  #cascade-scroll-track {
    min-height: auto !important;
  }

  #cascade-sticky-stage {
    position: static !important;
    height: auto !important;
    background: #ffffff !important;
    color: #000000 !important;
    padding: 0 !important;
  }

  .cascade-card {
    position: static !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    page-break-inside: avoid;
    margin-bottom: 2rem !important;
    background: #f8fafc !important;
    color: #000000 !important;
    border: 1px solid #cbd5e1 !important;
  }

  .cascade-card h3,
  .cascade-card p,
  .cascade-card span,
  .cascade-card strong {
    color: #000000 !important;
  }
}

/* Utilitário para ocultar scrollbars nativas em barras de rolagem horizontal */
.scrollbar-none::-webkit-scrollbar {
  display: none;
}
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Ajustes para Dispositivos Móveis */
@media (max-width: 768px) {
  #cascade-sticky-stage {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    padding-top: 5.5rem;
    padding-bottom: 0.75rem;
  }
  
  .cascade-card {
    padding: 1.25rem 1rem !important;
    height: 65vh;
    max-height: 65vh;
    -webkit-overflow-scrolling: touch;
  }

  .cascade-nav-step {
    padding: 0.35rem 0.6rem !important;
  }

  .cascade-nav-step span {
    font-size: 0.68rem;
  }

  /* Redução de margem e espaçamento nos textos dos cards no mobile */
  .cascade-card h3 {
    font-size: 1.25rem !important;
  }

  .cascade-card p {
    font-size: 0.825rem !important;
  }

  .cascade-card li {
    font-size: 0.775rem !important;
  }
}