:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --line: #dbe3ef;
  --text: #172334;
  --muted: #5b6b81;
  --brand: #0f6d61;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

.topo {
  padding: 18px 20px;
  background: linear-gradient(120deg, #0f6d61, #197f6f);
  color: #fff;
}

.topo h1 { margin: 0; font-size: 24px; }
.topo p { margin: 8px 0 0; opacity: 0.95; }

.layout {
  display: grid;
  grid-template-columns: 290px minmax(700px, 1fr) 420px;
  gap: 12px;
  padding: 12px;
  min-height: calc(100vh - 90px);
}

.layout.focus-pdf {
  grid-template-columns: 250px minmax(380px, 0.75fr) minmax(760px, 1.25fr);
}

.layout.focus-study {
  grid-template-columns: 290px minmax(920px, 1fr);
}

.layout.focus-study #painel-pdf { display: none; }

.painel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.painel h2 { margin: 0 0 10px; font-size: 18px; }

#busca {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  margin-bottom: 10px;
}

.item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  margin-bottom: 8px;
}

.item:hover,
.item.ativo {
  border-color: #9ec7be;
  background: #f4fbf8;
}

.item h3 { margin: 0; font-size: 15px; }
.item p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.estudo-topo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.acoes,
.acoes-secundarias {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.acoes-secundarias { margin: 10px 0 8px; }
.indicador-pagina {
  align-self: center;
  font-size: 13px;
  color: #35506c;
}

.btn {
  border: 1px solid #c8d7ea;
  background: #f8fbff;
  color: #25435f;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 13px;
  cursor: pointer;
}

.btn.ativo {
  border-color: var(--brand);
  background: #e7f7f3;
  color: #0c574d;
}

.btn-destaque {
  border-color: #0f6d61;
  background: #0f6d61;
  color: #fff;
  font-weight: 700;
}


.aviso-traducao {
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #ecd49a;
  background: #fff9e8;
  color: #6d4b00;
  font-size: 13px;
}

.status {
  margin: 0 0 10px;
  min-height: 20px;
  color: #1f5476;
  font-size: 14px;
}

.nota {
  margin: 10px 0;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #cde6dd;
  background: #f3fcf8;
  color: #234f44;
}

.sumario {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 14px;
}

.sumario a {
  text-decoration: none;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid #d6e4f4;
  background: #f4f8fd;
  color: #23415d;
}

.estudo-conteudo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 14px;
  align-items: start;
}

.traducao {
  max-height: calc(100vh - 330px);
  overflow: auto;
  padding-right: 10px;
  line-height: 1.75;
  max-width: 980px;
}

.layout.focus-study .traducao {
  max-height: none;
  overflow: visible;
  padding-right: 0;
}

.bloco {
  border-bottom: 1px solid #e9eef6;
  padding: 14px 12px 12px;
  margin-bottom: 14px;
  background: #fbfcfe;
  border: 1px solid #e6edf7;
  border-radius: 10px;
}

.bloco h3 { margin: 0 0 10px; font-size: 24px; }
.bloco p {
  margin: 0;
  color: #1e2f46;
  font-size: 20px;
  text-align: justify;
  text-justify: inter-word;
}
.bloco p + p { margin-top: 10px; }

.bloco.oculto {
  display: none;
}

.indice-lateral[hidden],
.indice-lateral.oculto {
  display: none !important;
}

.indice-lateral {
  position: sticky;
  top: 10px;
  background: #fcfdff;
  border: 1px solid #dce6f2;
  border-radius: 10px;
  padding: 10px;
  max-height: calc(100vh - 220px);
  overflow: auto;
}

.indice-lateral h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.indice-lateral a {
  display: block;
  text-decoration: none;
  color: #274a68;
  font-size: 13px;
  line-height: 1.35;
  padding: 6px 4px;
  border-radius: 6px;
}

.indice-lateral a:hover {
  background: #eef4fb;
}

#pdf {
  width: 100%;
  min-height: calc(100vh - 190px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

@media (max-width: 1500px) {
  .layout,
  .layout.focus-pdf { grid-template-columns: 240px minmax(0, 1fr) 360px; }
}

@media (max-width: 1200px) {
  .layout,
  .layout.focus-pdf,
  .layout.focus-study { grid-template-columns: 1fr; }

  .traducao { max-height: none; overflow: visible; }
  #pdf { min-height: 560px; }
  .estudo-topo { align-items: flex-start; flex-direction: column; }
  .estudo-conteudo { grid-template-columns: 1fr; }
  .indice-lateral { position: static; max-height: none; }
}

@media (max-width: 640px) {
  .topo { padding: 14px 14px; }
  .topo h1 { font-size: 20px; }
  .layout { padding: 8px; gap: 8px; }
  .painel { padding: 10px; border-radius: 10px; }
  .btn { width: 100%; justify-content: center; }
  .acoes, .acoes-secundarias { width: 100%; }
  .bloco h3 { font-size: 20px; }
  .bloco p { font-size: 17px; text-align: left; }
}

.bloco-continuo {
  line-height: 1.75;
}

.marcador-pagina {
  display: block;
  width: fit-content;
  margin: 18px 0 8px;
  padding: 4px 10px;
  border: 1px solid #cfe0ef;
  border-radius: 999px;
  color: #49657b;
  background: #f6fbff;
  font-size: 0.78rem;
  font-weight: 700;
}