/* Leitor editorial de aulas — prioridade: iPhone 16 (393 × 852 CSS px). */

#content-viewer {
  z-index: 11000 !important;
  height: 100dvh;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% -8%, rgba(212,167,44,.10), transparent 28rem),
    #090b0e !important;
}

#content-viewer .viewer-header {
  position: relative !important;
  flex: 0 0 auto;
  padding: calc(9px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 10px max(16px, env(safe-area-inset-left, 0px)) !important;
  background: rgba(9,11,14,.94) !important;
  border-bottom: 1px solid rgba(212,167,44,.18) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

#content-viewer .viewer-head-row {
  width: min(100%, 920px);
  min-width: 0;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

#content-viewer .btn-voltar {
  min-width: 46px;
  height: 46px;
  min-height: 46px;
  padding: 0 15px;
  border-radius: 14px !important;
  border: 1px solid rgba(212,167,44,.20);
  background: rgba(212,167,44,.06);
  color: #e4bd55;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
}

#content-viewer .btn-voltar:active { background: rgba(212,167,44,.14); }

#content-viewer .viewer-title-wrap {
  min-width: 0;
  flex: 1;
}

#content-viewer .viewer-kicker {
  display: block;
  margin-bottom: 3px;
  color: #b69442;
  font: 700 9px/1 Inter, sans-serif;
  letter-spacing: .15em;
  text-transform: uppercase;
}

#content-viewer .viewer-title {
  min-width: 0;
  color: #f5f1e8 !important;
  font: 600 14px/1.32 Inter, sans-serif !important;
  letter-spacing: -.01em !important;
  text-transform: none !important;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#content-viewer .viewer-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  background: rgba(255,255,255,.035);
}

#content-viewer .viewer-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #9d202a, #d4a72c);
  transition: width .12s linear;
}

#content-viewer .viewer-body {
  width: 100% !important;
  max-width: none !important;
  min-width: 0;
  margin: 0 !important;
  padding: 30px max(22px, env(safe-area-inset-right, 0px)) calc(52px + env(safe-area-inset-bottom, 0px)) max(22px, env(safe-area-inset-left, 0px)) !important;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scroll-behavior: smooth;
  scrollbar-color: rgba(212,167,44,.38) transparent;
  font-size: 16px !important;
  line-height: 1.76 !important;
}

#content-viewer .viewer-content {
  width: min(100%, 790px);
  max-width: 790px;
  min-width: 0;
  margin: 0 auto;
}

#content-viewer .viewer-body article,
#content-viewer .viewer-body section,
#content-viewer .viewer-body header,
#content-viewer .viewer-body div { max-width: 100%; }

#content-viewer .viewer-body img,
#content-viewer .viewer-body video,
#content-viewer .viewer-body iframe,
#content-viewer .viewer-body svg {
  display: block;
  max-width: 100% !important;
  height: auto !important;
  margin: 24px auto;
  border-radius: 16px;
}

#content-viewer .viewer-body h1,
#content-viewer .viewer-body h2,
#content-viewer .viewer-body h3,
#content-viewer .viewer-body h4 {
  max-width: 100%;
  color: #f5f1e8 !important;
  font-family: Inter, system-ui, sans-serif !important;
  text-transform: none !important;
  letter-spacing: -.025em !important;
  overflow-wrap: anywhere;
}

#content-viewer .viewer-body h1 {
  margin: 0 0 16px !important;
  padding: 0 0 16px !important;
  border-bottom: 1px solid rgba(212,167,44,.18) !important;
  font-size: clamp(28px, 4vw, 44px) !important;
  line-height: 1.12 !important;
}

#content-viewer .viewer-body h2 {
  margin: 38px 0 15px !important;
  font-size: clamp(21px, 2.5vw, 27px) !important;
  line-height: 1.24 !important;
}

#content-viewer .viewer-body h3 {
  margin: 27px 0 11px !important;
  font-size: 17px !important;
  line-height: 1.35 !important;
}

#content-viewer .viewer-body p,
#content-viewer .viewer-body li {
  color: #d4d0c9 !important;
  font-size: 16px !important;
  line-height: 1.76 !important;
  letter-spacing: -.006em;
  overflow-wrap: break-word;
  word-break: normal !important;
}

#content-viewer .viewer-body p { margin: 0 0 18px !important; }
#content-viewer .viewer-body li { margin: 0 0 10px !important; }
#content-viewer .viewer-body ul,
#content-viewer .viewer-body ol { margin: 0 0 22px !important; padding-left: 23px !important; }
#content-viewer .viewer-body li::marker { color: #d4a72c; font-weight: 800; }
#content-viewer .viewer-body strong { color: #f1ede5; }
#content-viewer .viewer-body em { color: #e1c981; }

/* O conteúdo vira uma leitura contínua, em vez de uma pilha de caixas. */
#content-viewer .ae-lesson { color: #d4d0c9; }

#content-viewer .ae-lesson-hero {
  position: relative;
  margin: 0 0 34px !important;
  padding: 30px 28px !important;
  overflow: hidden;
  border: 1px solid rgba(212,167,44,.20) !important;
  border-radius: 22px !important;
  background:
    radial-gradient(circle at 100% 0, rgba(166,33,43,.24), transparent 45%),
    linear-gradient(145deg, #171a1f, #0d0f12) !important;
  box-shadow: 0 22px 60px rgba(0,0,0,.20);
}

#content-viewer .ae-lesson-hero::after { opacity: .55; }

#content-viewer .ae-lesson-hero span {
  color: #d4a72c;
  font: 700 10px/1.3 Inter, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
}

#content-viewer .ae-lesson-hero h1 {
  position: relative;
  z-index: 1;
  margin: 10px 0 12px !important;
  padding: 0 !important;
  border: 0 !important;
}

#content-viewer .ae-lesson-hero p {
  position: relative;
  z-index: 1;
  max-width: 670px;
  margin: 0 !important;
  color: #bbb6ad !important;
  font-size: 15px !important;
}

#content-viewer .ae-lesson > section,
#content-viewer .ae-section,
#content-viewer .ae-quick,
#content-viewer .ae-timeline,
#content-viewer .ae-summary,
#content-viewer .ae-opening,
#content-viewer .ae-mistakes {
  margin: 0 !important;
  padding: 0 0 32px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

#content-viewer .ae-lesson > section + section,
#content-viewer .ae-section + .ae-section {
  padding-top: 30px !important;
  border-top: 1px solid rgba(255,255,255,.065) !important;
}

#content-viewer .ae-section p {
  margin: 0 0 18px !important;
  padding: 0 !important;
  border: 0 !important;
}

#content-viewer .ae-section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 26px;
  margin-bottom: 8px;
  padding: 0 10px;
  border: 1px solid rgba(212,167,44,.28);
  border-radius: 999px;
  color: #d4a72c;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
}

#content-viewer .box-destaque,
#content-viewer .box-atencao,
#content-viewer .exemplo-comentado,
#content-viewer .ae-callout {
  margin: 24px 0 !important;
  padding: 18px 19px !important;
  border: 1px solid rgba(212,167,44,.19) !important;
  border-left: 4px solid #d4a72c !important;
  border-radius: 4px 16px 16px 4px !important;
  background: rgba(212,167,44,.065) !important;
  color: #ded9cf;
}

#content-viewer .box-atencao,
#content-viewer .ae-callout.warning {
  border-color: rgba(183,48,61,.27) !important;
  border-left-color: #b7303d !important;
  background: rgba(183,48,61,.075) !important;
}

#content-viewer .ae-fact-grid,
#content-viewer .ae-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
  margin: 20px 0 24px;
}

#content-viewer .ae-fact,
#content-viewer .ae-compare > div {
  min-width: 0;
  padding: 17px !important;
  border: 1px solid rgba(255,255,255,.08) !important;
  border-radius: 15px !important;
  background: rgba(255,255,255,.025) !important;
}

#content-viewer .ae-fact h3,
#content-viewer .ae-compare h3 {
  margin-top: 0 !important;
  color: #e0bd65 !important;
}

#content-viewer .ae-callout strong {
  display: block;
  margin-bottom: 5px;
  color: #e0bd65;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

#content-viewer .ae-callout.warning strong { color: #f09ba2; }

#content-viewer .ae-placeholder {
  min-height: 250px;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 28px 18px !important;
  text-align: center;
  border: 1px dashed rgba(212,167,44,.30) !important;
  border-radius: 18px !important;
  background: rgba(212,167,44,.035) !important;
}

#content-viewer .ae-placeholder > span {
  color: #a19b91;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
}

#content-viewer .ae-placeholder h2 { margin: 10px 0 8px !important; }
#content-viewer .ae-placeholder p { max-width: 520px; margin: 0 !important; text-align: center; }

#content-viewer .ae-timeline > div { gap: 0; }
#content-viewer .ae-timeline p {
  grid-template-columns: 86px minmax(0,1fr);
  gap: 14px;
  margin: 0 !important;
  padding: 13px 0 !important;
  border-bottom: 1px solid rgba(255,255,255,.06);
  border-radius: 0;
  background: transparent;
}

#content-viewer .table-scroll {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 24px 0 28px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid rgba(212,167,44,.14);
  border-radius: 16px;
  background: #0d0f12;
  box-shadow: inset -16px 0 22px -24px rgba(212,167,44,.8);
}

#content-viewer .viewer-body table,
#content-viewer .ae-table {
  width: 100%;
  min-width: 580px;
  margin: 0 !important;
  border: 0 !important;
  border-collapse: collapse;
  border-radius: 0 !important;
  background: #0d0f12;
}

#content-viewer .viewer-body th,
#content-viewer .viewer-body td {
  padding: 13px 14px !important;
  border: 0 !important;
  border-bottom: 1px solid rgba(255,255,255,.065) !important;
  color: #d2cec6;
  font-size: 13px !important;
  line-height: 1.55;
  vertical-align: top;
}

#content-viewer .viewer-body th {
  background: rgba(212,167,44,.08) !important;
  color: #e3bf63 !important;
  font-size: 11px !important;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* Bloco de exercícios. */
#content-viewer .combat-header {
  margin: 46px 0 20px;
  padding-top: 30px;
  border-top: 1px solid rgba(212,167,44,.22);
}

#content-viewer .combat-header span {
  display: block;
  margin-bottom: 7px;
  color: #b69442;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

#content-viewer .combat-header h2 { margin: 0 0 8px !important; }
#content-viewer .combat-header p { margin: 0 !important; color: #aaa59d !important; font-size: 14px !important; }

#content-viewer .question-box {
  position: relative;
  margin: 18px 0 !important;
  padding: 22px !important;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.085) !important;
  border-left: 1px solid rgba(255,255,255,.085) !important;
  border-radius: 20px !important;
  background: linear-gradient(150deg, rgba(21,24,28,.98), rgba(13,15,18,.98)) !important;
  box-shadow: 0 16px 40px rgba(0,0,0,.15);
}

#content-viewer .question-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 15px;
}

#content-viewer .question-counter {
  color: #9b968e;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}

#content-viewer .question-level {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 0 9px;
  border: 1px solid rgba(212,167,44,.20);
  border-radius: 999px;
  background: rgba(212,167,44,.07);
  color: #e0bc60;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}

#content-viewer .question-level.facil { color: #7ce3b5; border-color: rgba(16,185,129,.24); background: rgba(16,185,129,.07); }
#content-viewer .question-level.dificil { color: #ffadb4; border-color: rgba(183,48,61,.28); background: rgba(183,48,61,.09); }

#content-viewer .question-text {
  margin: 0 0 18px;
  color: #f3efe7;
  font-size: 16px !important;
  font-weight: 650;
  line-height: 1.58 !important;
  letter-spacing: -.01em;
  overflow-wrap: break-word;
}

#content-viewer .options-list {
  display: grid;
  gap: 10px;
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
}

#content-viewer .options-list li { margin: 0 !important; }

#content-viewer .option-btn {
  width: 100%;
  min-width: 0;
  min-height: 58px !important;
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  align-items: center;
  gap: 12px;
  padding: 11px 14px !important;
  border: 1px solid rgba(255,255,255,.09) !important;
  border-radius: 15px !important;
  background: rgba(255,255,255,.025) !important;
  color: #d9d5ce !important;
  font-size: 14px;
  line-height: 1.5;
  text-align: left !important;
  box-shadow: none !important;
}

#content-viewer .option-letter {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(212,167,44,.22);
  border-radius: 11px;
  background: rgba(212,167,44,.055);
  color: #e0bd65;
  font-size: 12px;
  font-weight: 900;
}

#content-viewer .option-text { min-width: 0; overflow-wrap: break-word; }

#content-viewer .option-btn:active:not(:disabled) {
  transform: scale(.992) !important;
  border-color: rgba(212,167,44,.42) !important;
  background: rgba(212,167,44,.065) !important;
}

#content-viewer .option-btn.correct {
  border-color: rgba(16,185,129,.38) !important;
  background: rgba(16,185,129,.09) !important;
  color: #bdf4da !important;
  opacity: 1;
}

#content-viewer .option-btn.correct .option-letter {
  border-color: rgba(16,185,129,.45);
  background: rgba(16,185,129,.17);
  color: #8de9be;
}

#content-viewer .option-btn.wrong {
  border-color: rgba(239,68,68,.28) !important;
  background: rgba(239,68,68,.065) !important;
  color: #ffc3c3 !important;
  opacity: 1;
}

#content-viewer .option-btn.wrong .option-letter {
  border-color: rgba(239,68,68,.35);
  background: rgba(239,68,68,.12);
  color: #ffb1b1;
}

#content-viewer .feedback {
  margin-top: 14px !important;
  padding: 16px 17px !important;
  border: 1px solid rgba(212,167,44,.14) !important;
  border-left: 3px solid #d4a72c !important;
  border-radius: 3px 14px 14px 3px !important;
  background: rgba(212,167,44,.055) !important;
  color: #d8d3ca !important;
  font-size: 14px !important;
  line-height: 1.66 !important;
}

#content-viewer .concluir-wrap { margin: 28px 0 0; padding: 26px 0 0; border-top: 1px solid rgba(255,255,255,.07); }

#content-viewer .btn-concluir-aula {
  min-height: 58px;
  border-radius: 16px !important;
  background: linear-gradient(135deg, #b78e2d, #d4a72c) !important;
  color: #151006 !important;
  font-size: 13px;
  letter-spacing: .045em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(212,167,44,.13);
}

#content-viewer .btn-concluir-aula:disabled {
  border: 1px solid rgba(255,255,255,.075) !important;
  background: rgba(255,255,255,.035) !important;
  color: #8c8881 !important;
  box-shadow: none;
}

.reader-loading { padding: 74px 16px; text-align: center; }
.reader-loading .spinner { width: 42px; height: 42px; margin: 0 auto; }
.reader-loading p { margin-top: 18px !important; color: #c9aa5d !important; font-size: 11px !important; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

#xp-notification { z-index: 12000 !important; }

/* Separador de módulos no catálogo de aulas. Mantido fora do leitor. */
.catalog-module {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 2px;
  padding: 0 2px;
  color: #d4a72c;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.catalog-module::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, rgba(212,167,44,.35), transparent);
}

@media (max-width: 700px) {
  #content-viewer .viewer-body { font-size: 16px !important; }
  #content-viewer .ae-fact-grid,
  #content-viewer .ae-compare { grid-template-columns: 1fr; }
}

/* iPhone 16, iPhone 15/14 e aparelhos de largura semelhante. */
@media (max-width: 430px) {
  #content-viewer .viewer-header {
    padding: calc(7px + env(safe-area-inset-top, 0px)) 13px 8px !important;
  }

  #content-viewer .viewer-head-row { gap: 10px; }

  #content-viewer .btn-voltar {
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    border-radius: 13px !important;
  }

  #content-viewer .btn-voltar span { display: none; }
  #content-viewer .viewer-kicker { font-size: 8px; margin-bottom: 4px; }
  #content-viewer .viewer-title {
    display: -webkit-box;
    font-size: 12.5px !important;
    line-height: 1.24 !important;
    white-space: normal;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  #content-viewer .viewer-body {
    padding: 18px 16px calc(38px + env(safe-area-inset-bottom, 0px)) !important;
  }

  #content-viewer .ae-lesson-hero {
    margin-bottom: 28px !important;
    padding: 23px 18px !important;
    border-radius: 19px !important;
  }

  #content-viewer .ae-lesson-hero::after { font-size: 46px; bottom: -13px; }
  #content-viewer .ae-lesson-hero span { font-size: 8.5px; line-height: 1.5; }
  #content-viewer .viewer-body h1 { font-size: 27px !important; line-height: 1.13 !important; }
  #content-viewer .ae-lesson-hero h1 { margin-top: 9px !important; }
  #content-viewer .ae-lesson-hero p { font-size: 14px !important; line-height: 1.62 !important; }
  #content-viewer .viewer-body h2 { margin-top: 32px !important; font-size: 21px !important; line-height: 1.25 !important; }
  #content-viewer .viewer-body h3 { font-size: 16.5px !important; }
  #content-viewer .viewer-body p,
  #content-viewer .viewer-body li { font-size: 15.5px !important; line-height: 1.72 !important; }
  #content-viewer .viewer-body p { margin-bottom: 17px !important; }
  #content-viewer .viewer-body ul,
  #content-viewer .viewer-body ol { padding-left: 21px !important; }

  #content-viewer .ae-lesson > section,
  #content-viewer .ae-section,
  #content-viewer .ae-quick,
  #content-viewer .ae-timeline,
  #content-viewer .ae-summary { padding-bottom: 25px !important; }

  #content-viewer .ae-lesson > section + section,
  #content-viewer .ae-section + .ae-section { padding-top: 25px !important; }

  #content-viewer .box-destaque,
  #content-viewer .box-atencao,
  #content-viewer .exemplo-comentado,
  #content-viewer .ae-callout { margin: 21px 0 !important; padding: 16px !important; }

  #content-viewer .ae-timeline p { grid-template-columns: 68px minmax(0,1fr); gap: 10px; }
  #content-viewer .table-scroll { margin: 21px 0 25px; border-radius: 14px; }

  #content-viewer .combat-header { margin-top: 36px; padding-top: 26px; }
  #content-viewer .combat-header p { font-size: 13px !important; }

  #content-viewer .question-box {
    margin: 16px 0 !important;
    padding: 18px 14px !important;
    border-radius: 18px !important;
  }

  #content-viewer .question-topline { align-items: flex-start; margin-bottom: 13px; }
  #content-viewer .question-counter { padding-top: 6px; font-size: 8.5px; }
  #content-viewer .question-level { min-height: 25px; padding: 0 8px; font-size: 8px; }
  #content-viewer .question-text { margin-bottom: 16px; font-size: 15px !important; line-height: 1.56 !important; }

  #content-viewer .option-btn {
    min-height: 58px !important;
    grid-template-columns: 32px minmax(0,1fr);
    gap: 11px;
    padding: 11px 12px !important;
    border-radius: 14px !important;
    font-size: 13.5px;
  }

  #content-viewer .option-letter { width: 32px; height: 32px; border-radius: 10px; }
  #content-viewer .feedback { padding: 15px !important; font-size: 13.5px !important; }
  #content-viewer .btn-concluir-aula { min-height: 58px; padding: 14px 12px; font-size: 11.5px; line-height: 1.35; }
}

@media (max-width: 350px) {
  #content-viewer .viewer-body { padding-left: 12px !important; padding-right: 12px !important; }
  #content-viewer .question-box { padding-left: 12px !important; padding-right: 12px !important; }
}

#content-viewer .quadro-leitura {
  display: grid;
  gap: 8px;
  margin: 22px 0 26px;
  padding: 14px;
  border: 1px solid rgba(245,168,0,.18);
  border-radius: 16px;
  background: rgba(245,168,0,.045);
}

#content-viewer .quadro-cabecalho,
#content-viewer .quadro-corpo { display: grid; gap: 8px; }
#content-viewer .quadro-linha { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
#content-viewer .quadro-celula { padding: 10px; border-radius: 10px; background: rgba(255,255,255,.035); font-size: 13px; line-height: 1.5; }
#content-viewer .quadro-titulo { color: var(--ae-gold, #f5a800); font-weight: 900; }

@media (max-width: 560px) {
  #content-viewer .quadro-linha { grid-template-columns: 1fr; }
  #content-viewer .quadro-celula { padding: 9px 10px; font-size: 13.5px; }
}

@media (orientation: landscape) and (max-height: 500px) {
  #content-viewer .viewer-header { padding-top: max(7px, env(safe-area-inset-top, 0px)) !important; }
  #content-viewer .viewer-body {
    padding-left: max(22px, env(safe-area-inset-left, 0px)) !important;
    padding-right: max(22px, env(safe-area-inset-right, 0px)) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  #content-viewer .viewer-progress i,
  #content-viewer .option-btn { transition: none !important; }
}