.content-search-section { padding: 2rem 0 1rem; }
.cards-section { padding: 0 0 5rem; }
/* Conteúdo - estilos específicos da página de trilhas */
.tpl-wrapper { padding-top: 6rem; padding-bottom: 0; }
.tpl-search-section { padding: 1.75rem 0 0; }
.content-search { margin-bottom: 1rem; }
.content-hero {
  background: transparent; /* alinhado ao templates */
  padding: 6rem 0 3rem;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden; /* para o canvas neural */
}

/* Hero específico da página de templates para separar do título */
.templates-hero { position: relative; padding-bottom: 2.25rem; }
.templates-hero .hero-bg-elements { position: absolute; inset: auto 0 0 0; height: 420px; pointer-events:none; }
.templates-hero .neural-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display:block; }


/* Canvas neural ancorado apenas ao bloco principal da página de templates */
.hero-bg-elements { position: absolute; inset: 0; pointer-events: none; }
.neural-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Espaço superior apenas quando necessário (ex.: página de conteúdo) */
.section-header--toppad { padding-top: 2.5rem; }

/* Título e descrição alinhados ao padrão de templates */
.content-hero .section-header h2 { font-size: 2.25rem; position: relative; padding-bottom: 2.25rem; }
.content-hero .section-header p { font-size: 1.125rem; opacity: 0.9; max-width: 720px; margin: 0 auto; }

.trilha-detalhada {
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

/* Cards de trilhas (grade inicial) */
.trilha-card-thumb {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform .25s ease, box-shadow .25s ease;
}
.trilha-card-thumb:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.trilha-card-thumb img { width: 100%; height: clamp(160px, 28vw, 220px); object-fit: cover; display: block; }
.trilha-card-body { padding: 1rem 1.25rem; }
.trilha-card-title { font-weight: 700; color: var(--text-primary); margin-bottom: .25rem; }
.trilha-card-meta { color: var(--text-secondary); font-size: .9rem; }

/* Templates – cards mais clean */
.template-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.template-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg), var(--glow-blue);
}
.template-card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-bottom: .75rem;
}
.template-card__title {
  margin: 0;
  font-size: 1.125rem; font-weight: 700;
  color: var(--text-primary);
}
.template-badge {
  font-size: .7rem; font-weight: 700; letter-spacing: .4px;
  padding: .25rem .5rem; border-radius: 999px;
  background: rgba(var(--primary-rgb),0.10);
  color: var(--primary-color);
  border: 1px solid rgba(var(--primary-rgb),0.35);
}
.template-card__meta { color: var(--text-secondary); font-size: .95rem; }
.template-card__actions { margin-top: .75rem; }

/* Busca e TOC */
.content-search { margin: 0 0 1.5rem 0; }
.content-search input[type="search"] {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}
.content-search input::placeholder { color: var(--text-secondary); }
.content-search input:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }

/* Estilo do filtro em templates.html */
#tpl-search {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
#tpl-search::placeholder { color: var(--text-secondary); }
#tpl-search:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: var(--glow-blue);
}

.content-filters { margin-top: .75rem; }
.content-filters select {
  width: 100%; max-width: 240px;
  padding: 0.625rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}

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

.trilha-header {
  background: var(--bg-secondary);
  padding: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.trilha-header h2 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.trilha-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.trilha-content { padding: 2rem; }

.modulo {
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}

.modulo-header {
  background: var(--bg-secondary);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.modulo-header:hover { background: rgba(255,255,255,0.06); }
.modulo-header:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 2px; }
.modulo-header[aria-expanded="true"] { border-color: var(--primary-color); }

.modulo-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.125rem;
}

.modulo-content { padding: 1.5rem; }

.video-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.03);
}
.video-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Botão de play/fechar ao lado do título */
.play-toggle {
  margin-left: auto;
  padding: .5rem .75rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  cursor: pointer;
}
.play-toggle:hover { border-color: var(--primary-color); box-shadow: var(--glow-blue); }
.play-toggle[aria-pressed="true"] {
  border-color: var(--primary-color);
  background: rgba(var(--primary-rgb),0.12);
}
.play-toggle[disabled] { opacity: .45; cursor: default; }

.video-thumbnail {
  width: 120px; height: 68px;
  background: var(--bg-secondary);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 2rem;
  position: relative;
}
.video-thumbnail .soon-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-primary); font-weight: 700; letter-spacing: .5px;
}
.badge-inline {
  display: inline-block; margin-left: .5rem; padding: .2rem .5rem; border-radius: 8px; font-size: .75rem;
  border: 1px solid var(--border-color); color: var(--text-secondary);
}
.badge-soon { border-color: #f59e0b; color: #f59e0b; }

/* Video expander below the item */
.video-expander {
  margin-top: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  box-shadow: var(--shadow-md);
  position: relative;
  max-height: 0;
  opacity: 0;
  transition: max-height .35s ease, opacity .35s ease;
}
.video-expander.open { max-height: 1000px; opacity: 1; }
.video-frame { position: relative; width: 100%; padding-top: 56.25%; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

.video-expander .close-btn {
  position: absolute;
  top: 8px; right: 10px;
  border: 1px solid var(--border-color);
  background: rgba(0,0,0,0.4);
  color: var(--text-primary);
  border-radius: 6px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 2;
}
.video-expander .close-btn:hover { border-color: var(--primary-color); box-shadow: var(--glow-blue); }
.video-info { flex: 1; }
.video-title { font-weight: 600; color: var(--text-primary); margin-bottom: .25rem; }
.video-duration { color: var(--text-secondary); font-size: .875rem; }

.download-section { background: var(--bg-secondary); padding: 1.5rem; border-radius: 12px; margin-top: 1rem; }
.download-section[hidden] { display: none !important; }
.download-section h4 { margin-bottom: 1rem; color: var(--text-primary); }
.download-list { display: flex; flex-direction: column; gap: .5rem; }

/* Curso: wrappers utilitários */
.course-wrapper { padding-top: 6rem; padding-bottom: 3rem; }
.course-title { margin-bottom: 1.5rem; }
.course-materials { margin: 0 1rem 1rem; }

/* Curso: estilos extraídos do inline de curso.html */
.course-layout { display: grid; grid-template-columns: minmax(0, 2fr) 360px; gap: 2rem; align-items: start; }
.course-player { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; box-shadow: var(--shadow-md); overflow: hidden; }
.course-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; background:#000; border-radius: 12px; overflow: hidden; }
.course-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; background:#000; }
.player-placeholder { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color: var(--text-secondary); background:#000; }
.course-info { padding: 1rem; display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.course-title { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.course-desc { color: var(--text-secondary); }
.complete-btn { margin-left: auto; padding: .5rem .75rem; border-radius: 10px; border: 1px solid var(--border-color); background: rgba(255,255,255,0.04); color: var(--text-primary); cursor: pointer; }
.complete-btn[disabled] { opacity: .45; cursor: default; }
.course-nav { margin-left: auto; display: flex; gap: .5rem; }
.nav-btn { padding: .5rem .75rem; border-radius: 10px; border: 1px solid var(--border-color); background: rgba(255,255,255,0.04); color: var(--text-primary); cursor: pointer; }
.nav-btn[disabled] { opacity: .45; cursor: default; }
.course-sidebar { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; box-shadow: var(--shadow-md); overflow: hidden; }
.course-sidebar { position: sticky; top: calc(64px + 1rem); }
.course-sidebar h3 { margin: 1rem; }
.trail-switch { display:flex; gap:.5rem; align-items:center; margin: 0 1rem .5rem; }
.trail-switch select { flex:1; padding:.5rem .6rem; border-radius:10px; border:1px solid var(--border-color); background: rgba(255,255,255,0.04); color: var(--text-primary); }
.trail-switch a { color: var(--primary-color); text-decoration: none; font-size:.9rem; }
.course-list { max-height: calc(100dvh - 220px); overflow: auto; padding: .5rem 1rem 1rem; }
.module-header { display: flex; justify-content: space-between; align-items: center; padding: .5rem 0; cursor: pointer; color: var(--text-secondary); font-weight: 600; background: transparent; border: 0; width: 100%; text-align: left; }
.module-header:hover { color: var(--text-primary); }
.module-list { display: grid; gap: .5rem; margin-bottom: .75rem; }
.course-item { position: relative; padding: .75rem; border-radius: 10px; border: 1px solid transparent; display: grid; grid-template-columns: 48px 1fr auto; gap: .75rem; align-items: center; cursor: pointer; }
.course-item:hover { background: rgba(255,255,255,0.04); border-color: var(--border-color); }
.course-item.active { border-color: var(--primary-color); background: rgba(103,65,217,0.08); }
.course-item.active { box-shadow: 0 0 0 1px rgba(var(--primary-rgb), .35) inset; }
.course-item.active::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; background: var(--primary-color); border-radius: 2px; }
.course-thumb { width: 48px; height: 48px; background: var(--bg-secondary); border-radius: 6px; overflow: hidden; }
.course-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.badge-mini { display: inline-block; padding: .15rem .45rem; border-radius: 8px; border: 1px solid var(--border-color); color: var(--text-secondary); font-size: .75rem; }
.course-progress { color: var(--text-secondary); font-size: .75rem; border: 1px solid var(--border-color); padding: .15rem .4rem; border-radius: 8px; }
.overall-progress { margin-left: auto; border: 1px solid var(--border-color); padding: .3rem .5rem; border-radius: 8px; color: var(--text-secondary); }
.status-icon { margin-right: .4rem; opacity: .9; }
@media (max-width: 1200px) { .course-layout { grid-template-columns: minmax(0, 1.6fr) 320px; gap: 1.5rem; } }
@media (max-width: 980px) { .course-layout { grid-template-columns: 1fr; } .course-sidebar { order: -1; } }
/* Melhorias mobile */
@media (max-width: 980px) {
  .course-sidebar { position: static; order: initial; }
  .course-list { max-height: none; }
}
@media (max-width: 768px) {
  .course-player { margin-bottom: 1rem; }
  .course-frame { aspect-ratio: 16 / 9; width: 100%; }
}

/* Mobile refinements for course page */
@media (max-width: 768px) {
  .course-wrapper { padding-top: 5.25rem; padding-bottom: 2rem; }
  .course-info { gap: .5rem; }
  .course-title { font-size: var(--font-lg); }
  .course-desc { font-size: var(--font-sm); }
  .course-nav { width: 100%; display: flex; gap: .5rem; order: 2; }
  .nav-btn { flex: 1; min-height: 44px; }
  .complete-btn { width: 100%; order: 3; min-height: 44px; margin-left: 0; }
  .course-list { padding: .25rem .75rem .75rem; }
  .module-header { padding: .75rem 0; }
  .course-item { grid-template-columns: 56px 1fr; gap: .5rem; padding: .6rem; }
  .course-thumb { width: 56px; height: 56px; }
  .course-progress { font-size: .7rem; padding: .1rem .35rem; }
}

@media (max-width: 480px) {
  .course-progress { display: none; }
}

.download-item {
  display: flex; align-items: center; gap: .5rem; padding: .75rem 1rem;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 10px; text-decoration: none; color: var(--text-primary);
  transition: all .3s ease;
}
.download-item:hover { border-color: var(--primary-color); box-shadow: var(--glow-blue); transform: translateY(-2px); }

/* GitHub badge for materials */
.download-item.github::after {
  content: '';
  width: 16px; height: 16px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%23A1A1AA"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"/></svg>');
  background-size: 16px 16px;
  background-repeat: no-repeat;
}

.sidebar { position: sticky; top: 100px; }
.sidebar-card {
  background: var(--bg-card); border-radius: 16px; border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md); padding: 1.5rem; margin-bottom: 1rem; backdrop-filter: blur(16px);
}
.sidebar-card h3 { margin-bottom: 1rem; color: var(--text-primary); }
.sidebar-card .toc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.sidebar-card .toc-list a { color: var(--text-secondary); text-decoration: none; font-size: .95rem; }
.sidebar-card .toc-list a:hover { color: var(--primary-color); text-shadow: 0 0 10px var(--primary-color); }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.stat-item { text-align: center; }
.stat-number { font-size: 1.5rem; font-weight: 700; color: var(--primary-color); }
.stat-label { font-size: .875rem; color: var(--text-secondary); }

.breadcrumb { display: flex; align-items: center; gap: .5rem; margin-bottom: 2rem; color: var(--text-secondary); }
.breadcrumb a { color: var(--primary-color); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .content-hero h1 { font-size: 2rem; }
  .video-item { flex-direction: column; text-align: center; }
  .video-thumbnail { width: 100%; height: 120px; }
}