/* =====================================================
   MENU REDESENHADO - Estilo Grid Moderno
   Inspirado em Duolingo
   ===================================================== */

/* ========================================
   Menu Principal - Grid Layout
   ======================================== */

.main-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.nav-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
}

.nav-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.nav-card.active {
  border-color: #667eea;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.nav-card-icon {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
}

.nav-card-icon.dashboard { color: #3b82f6; }
.nav-card-icon.questoes { color: #10b981; }
.nav-card-icon.simulados { color: #f59e0b; }
.nav-card-icon.biblioteca { color: #8b5cf6; }
.nav-card-icon.ranking { color: #ef4444; }
.nav-card-icon.historico { color: #6b7280; }

.nav-card-title {
  font-size: 16px;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 4px;
}

.nav-card-subtitle {
  font-size: 12px;
  color: #6b7280;
}

.nav-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #ef4444;
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.nav-card-badge.new {
  background: #10b981;
}

.nav-card-badge.premium {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* ========================================
   Biblioteca Estilo Netflix
   ======================================== */

.biblioteca-netflix {
  padding: 20px;
}

.biblioteca-section {
  margin-bottom: 40px;
}

.biblioteca-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.biblioteca-section-title {
  font-size: 24px;
  font-weight: 700;
  color: #1f2937;
}

.biblioteca-section-subtitle {
  font-size: 14px;
  color: #6b7280;
  margin-top: 4px;
}

.biblioteca-ver-todos {
  color: #667eea;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.biblioteca-ver-todos:hover {
  gap: 10px;
}

/* Cards Estilo Netflix */
.netflix-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.netflix-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.netflix-card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.netflix-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  color: white;
}

.netflix-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 12px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.netflix-card-type {
  background: rgba(255, 255, 255, 0.9);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.netflix-card-type.ebook {
  color: #8b5cf6;
}

.netflix-card-type.resumo {
  color: #10b981;
}

.netflix-card-type.video {
  color: #ef4444;
}

.netflix-card-premium {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

.netflix-card-body {
  padding: 16px;
}

.netflix-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.netflix-card-author {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

.netflix-card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #6b7280;
}

.netflix-card-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.netflix-card-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid #f3f4f6;
}

.netflix-card-rating {
  display: flex;
  align-items: center;
  gap: 6px;
}

.netflix-card-stars {
  color: #f59e0b;
  font-size: 14px;
}

.netflix-card-rating-value {
  font-size: 14px;
  font-weight: 600;
  color: #1f2937;
}

.netflix-card-views {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #6b7280;
}

/* Progresso de Leitura */
.netflix-card-progress {
  margin-top: 12px;
}

.netflix-progress-bar {
  background: #f3f4f6;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.netflix-progress-fill {
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  height: 100%;
  transition: width 0.3s ease;
}

.netflix-progress-text {
  font-size: 12px;
  color: #667eea;
  font-weight: 600;
}

/* Seção Continue Lendo */
.continue-lendo-card {
  display: flex;
  gap: 20px;
  background: white;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  cursor: pointer;
  margin-bottom: 16px;
}

.continue-lendo-card:hover {
  transform: translateX(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.continue-lendo-thumb {
  width: 120px;
  height: 90px;
  border-radius: 8px;
  object-fit: cover;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: white;
  flex-shrink: 0;
}

.continue-lendo-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.continue-lendo-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.continue-lendo-title {
  font-size: 16px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 4px;
}

.continue-lendo-subtitle {
  font-size: 13px;
  color: #6b7280;
}

.continue-lendo-badge {
  background: rgba(102, 126, 234, 0.1);
  color: #667eea;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

/* Badges de Destaque */
.destaque-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
  z-index: 5;
}

.destaque-badge.novo {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.destaque-badge.popular {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* ========================================
   Responsivo
   ======================================== */

@media (max-width: 768px) {
  .main-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
  }
  
  .nav-card {
    padding: 20px 16px;
  }
  
  .nav-card-icon {
    font-size: 36px;
  }
  
  .nav-card-title {
    font-size: 14px;
  }
  
  .netflix-cards {
    grid-template-columns: 1fr;
  }
  
  .continue-lendo-card {
    flex-direction: column;
  }
  
  .continue-lendo-thumb {
    width: 100%;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .main-nav-grid {
    grid-template-columns: 1fr;
  }
  
  .biblioteca-section-title {
    font-size: 20px;
  }
}

/* ========================================
   Animações
   ======================================== */

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

.netflix-card {
  animation: slideInUp 0.4s ease-out;
}

.netflix-card:nth-child(1) { animation-delay: 0.05s; }
.netflix-card:nth-child(2) { animation-delay: 0.1s; }
.netflix-card:nth-child(3) { animation-delay: 0.15s; }
.netflix-card:nth-child(4) { animation-delay: 0.2s; }
.netflix-card:nth-child(5) { animation-delay: 0.25s; }
.netflix-card:nth-child(6) { animation-delay: 0.3s; }