/* ── leitor.css — modo leitura ────────────────────────────────────────────── */

/* Container principal — ocupa o #app inteiro */
#leitor-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
#leitor-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.07);
  flex-shrink: 0;
}

#leitor-breadcrumb {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 var(--space-sm);
}

.leitor-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.leitor-btn-icon:hover {
  color: var(--color-primary);
  background: var(--color-bg);
}

/* Body: TOC + conteúdo */
#leitor-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── TOC lateral ─────────────────────────────────────────────────────────── */
#leitor-toc {
  width: 260px;
  flex-shrink: 0;
  overflow-y: auto;
  border-right: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
  background: var(--color-bg);
  transition: width 0.25s ease, opacity 0.25s ease, padding 0.25s ease;
}

#leitor-container.toc-fechada #leitor-toc {
  width: 0;
  padding: 0;
  opacity: 0;
  overflow: hidden;
}

/* Prólogo — link direto no topo */
.toc-prologo {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-muted);
  padding: var(--space-sm) var(--space-lg);
  cursor: pointer;
  margin-bottom: var(--space-sm);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.toc-prologo:hover { color: var(--color-primary); background: rgba(26,60,46,0.04); }
.toc-prologo.ativo { color: var(--color-primary); font-weight: 700; border-left-color: var(--color-accent); }

/* Parte */
.toc-parte {
  margin-bottom: 4px;
}

.toc-parte > summary {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-sm) var(--space-lg);
  cursor: pointer;
  list-style: none;
  user-select: none;
  border-top: 1px solid var(--color-border);
}

.toc-parte > summary::-webkit-details-marker { display: none; }

.toc-parte-num {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-dk);
  background: rgba(197,160,40,0.12);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  flex-shrink: 0;
}

/* Seção */
.toc-secao {
  margin-bottom: 2px;
}

.toc-secao > summary {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.3rem var(--space-lg) 0.3rem calc(var(--space-lg) + 0.75rem);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.toc-secao > summary::-webkit-details-marker { display: none; }

.toc-secao-num {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-muted);
  flex-shrink: 0;
  min-width: 1.2rem;
}

/* Intro de seção */
.toc-intro {
  font-style: italic;
  color: rgba(136,136,136,0.8);
  font-size: 0.7rem;
}

/* Capítulo — link dentro de cada seção */
.toc-cap-link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  border: none;
  border-left: 3px solid transparent;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  color: var(--color-muted);
  padding: 0.32rem var(--space-lg) 0.32rem calc(var(--space-lg) + 1.5rem - 3px);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  line-height: 1.3;
}

.toc-cap-num {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--color-border);
  flex-shrink: 0;
  min-width: 1.4rem;
  transition: color var(--transition);
}

.toc-cap-link:hover { background: rgba(26,60,46,0.05); color: var(--color-primary); }
.toc-cap-link:hover .toc-cap-num { color: var(--color-accent-dk); }

.toc-cap-link.ativo {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(197,160,40,0.10);
  border-left-color: var(--color-accent);
}
.toc-cap-link.ativo .toc-cap-num { color: var(--color-accent-dk); }

/* ── Área de texto ───────────────────────────────────────────────────────── */
#leitor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
}

#leitor-texto {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Coluna de prosa centrada */
.leitor-conteudo {
  width: 100%;
  max-width: 68ch;
}

.leitor-cap-titulo {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-2xl);
}

.leitor-capitulo-titulo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.leitor-artigo-titulo {
  font-family: var(--font-serif);
  font-size: 1.0rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.leitor-paragrafo {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}

.leitor-paragrafo-num {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-accent-dk);
  opacity: 0.65;
  min-width: 2.8rem;
  padding-top: 0.25em;
  flex-shrink: 0;
  user-select: none;
}

.leitor-paragrafo-texto {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
  flex: 1;
}

.leitor-para-save-btn {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 0.3em;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition), color var(--transition), background var(--transition), border-color var(--transition);
}

.leitor-paragrafo:hover .leitor-para-save-btn,
.leitor-para-save-btn.salvo {
  opacity: 1;
}

.leitor-para-save-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-bg);
}

.leitor-para-save-btn.salvo {
  color: var(--color-accent-dk);
  border-color: var(--color-accent);
  background: rgba(197,160,40,0.1);
}

/* ── Nav capítulos ───────────────────────────────────────────────────────── */
#leitor-nav-caps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) clamp(var(--space-lg), 6vw, 8rem);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-surface);
}

.leitor-nav-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.leitor-nav-btn:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-accent);
}

.leitor-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Popup de seleção ────────────────────────────────────────────────────── */
#leitor-save-popup {
  position: fixed;
  z-index: 400;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: 100px;
  padding: 0.4rem 1.1rem;
  box-shadow: var(--shadow-md);
}

#leitor-save-popup button {
  border: none;
  background: transparent;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  white-space: nowrap;
}

/* ── Botão "Ler" no hero ────────────────────────────────────────────────── */
#btn-ler-hero {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

#btn-ler-hero:hover {
  color: var(--color-primary);
  background: rgba(255,255,255,0.8);
  border-color: var(--color-primary);
}

/* ── Botão modo escuro (hero) ────────────────────────────────────────────── */
.btn-tema-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.btn-tema-hero:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ── Botão modo escuro (header) ──────────────────────────────────────────── */
#btn-tema {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

#btn-tema:hover {
  color: var(--color-primary);
  background: var(--color-bg);
}

/* ── Botão "Ler" no header de busca ─────────────────────────────────────── */
#btn-ler-header {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

#btn-ler-header:hover {
  color: var(--color-primary);
  background: var(--color-bg);
}

/* ── Mobile ──────────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  #btn-ler-header { display: none; }

  #leitor-toc {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px !important;
    height: 100dvh;
    z-index: 200;
    box-shadow: var(--shadow-md);
    transform: translateX(-100%);
    transition: transform 0.25s ease, opacity 0.25s ease;
    opacity: 1 !important;
    padding: var(--space-lg) 0 !important;
    overflow-y: auto !important;
  }

  #leitor-container:not(.toc-fechada) #leitor-toc {
    transform: translateX(0);
  }

  /* overlay mobile para fechar TOC */
  #leitor-toc-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 199;
  }

  #leitor-container:not(.toc-fechada) #leitor-toc-overlay {
    display: block;
  }

  #leitor-texto {
    padding: var(--space-lg) var(--space-md);
  }

  #leitor-nav-caps {
    padding: var(--space-sm) var(--space-md);
  }

  .leitor-nav-btn span {
    display: none;
  }
}