:root{
  --bg: #f6f7f8;
  --text: #111214;
  --muted: rgba(17,18,20,.62);
  --border: rgba(17,18,20,.12);
  --glass: rgba(255,255,255,.70);
  --shadow: 0 12px 34px rgba(0,0,0,.10);
  --accent: #0a84ff;

  --radius: 18px;
  --pad: clamp(18px, 3vw, 30px);
  --w: 74ch;

  /* Escala global controlada por JS (A-, A, A+) */
  --scale: 1;

  /* Fontes: UI em sans, leitura em serif */
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: ui-serif, "Iowan Old Style", "Charter", "Palatino Linotype", Palatino,
    Georgia, "Times New Roman", serif;

  --h1: clamp(2.0rem, 1.2rem + 2.2vw, 3.0rem);
  --h2: clamp(1.35rem, 1.05rem + 1.0vw, 1.8rem);
  --h3: 1.18rem;
  --p: clamp(1.02rem, 0.98rem + 0.25vw, 1.12rem);

  --lh: 1.78;
  --lh-tight: 1.22;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg: #0b0c0f;
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.62);
    --border: rgba(255,255,255,.14);
    --glass: rgba(18,19,24,.68);
    --shadow: 0 22px 60px rgba(0,0,0,.45);
    --accent: #64d2ff;
  }
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }

/* Aumenta/diminui tudo com segurança */
html{
  font-size: calc(16px * var(--scale));
}

body{
  margin: 0;
  color: var(--text);
  font-family: var(--font-serif);
  letter-spacing: .01em;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
  background:
    radial-gradient(1100px 800px at 20% 0%, rgba(10,132,255,.07), transparent 58%),
    radial-gradient(900px 650px at 90% 10%, rgba(100,210,255,.07), transparent 58%),
    var(--bg);
}

/* Fundo mais neutro para leitura longa (use <body class="reader"> no reader.html) */
body.reader{
  background: var(--bg);
}

a{ color: var(--accent); text-decoration: none; }
a:hover{ text-decoration: underline; }

::selection{ background: rgba(10,132,255,.18); }
@media (prefers-color-scheme: dark){
  ::selection{ background: rgba(100,210,255,.22); }
}

:focus-visible{
  outline: 2px solid rgba(10,132,255,.55);
  outline-offset: 3px;
  border-radius: 12px;
}
@media (prefers-color-scheme: dark){
  :focus-visible{ outline-color: rgba(100,210,255,.55); }
}

.skip-link{
  position:absolute;
  top:10px; left:10px;
  padding:10px 12px;
  background: rgba(255,255,255,.95);
  border: 1px solid var(--border);
  border-radius: 12px;
  transform: translateY(-200%);
  transition: transform .18s ease;
  z-index: 999;
  color: #111214;
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  .skip-link{ background: rgba(18,19,24,.95); color: rgba(255,255,255,.92); }
}
.skip-link:focus{ transform: translateY(0); }

.progress{
  position: sticky;
  top:0;
  height: 3px;
  width: 100%;
  z-index: 60;
  background: transparent;
}
.progress > div{
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 999px;
}

header.site-header{
  position: sticky;
  top: 10px;
  z-index: 50;
  margin: 10px auto 0;
  padding: 12px 14px;
  max-width: min(1100px, calc(100% - 20px));
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  font-family: var(--font-sans);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.brand{
  display:flex;
  flex-direction:column;
  line-height: 1.1;
  min-width: 0;
  font-family: var(--font-sans);
}
.brand .t{
  font-weight: 650;
  font-size: .95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand .s{
  font-size: .82rem;
  color: var(--muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn{
  appearance:none;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.55);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 12px;
  font-size: .92rem;
  cursor:pointer;
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  .btn{ background: rgba(255,255,255,.06); }
}
.btn:hover{ filter: brightness(1.03); }

/* Botões compactos do controle de fonte */
.btn-compact{
  padding: 8px 10px;
  min-width: 40px;
  font-weight: 650;
}
.fontControls{
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.nav-inline{
  display:none;
  gap: 8px;
  align-items:center;
  flex-wrap:wrap;
  justify-content:flex-end;
  font-family: var(--font-sans);
}
.nav-inline a{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
  font-size: .92rem;
  text-decoration:none;
}
.nav-inline a:hover{
  background: rgba(10,132,255,.08);
  border-color: rgba(10,132,255,.18);
  text-decoration:none;
}
.nav-inline a.active{
  background: rgba(10,132,255,.14);
  border-color: rgba(10,132,255,.30);
}

@media (min-width: 960px){
  .nav-inline{ display:flex; }
  .menu-btn{ display:none; }
}

/* Drawer mobile */
.overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
  z-index: 80;
}
.overlay.open{
  opacity: 1;
  pointer-events: auto;
}
.drawer{
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(360px, 92vw);
  background: var(--glass);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transform: translateX(102%);
  transition: transform .22s ease;
  z-index: 90;
  padding: 14px;
  overflow:auto;
  font-family: var(--font-sans);
}
.drawer.open{ transform: translateX(0); }

.drawer h2{
  margin: 6px 0 10px;
  font-size: 1.0rem;
  letter-spacing: .01em;
}
.drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration:none;
  margin-bottom: 8px;
}
.drawer a:hover{
  background: rgba(10,132,255,.08);
  border-color: rgba(10,132,255,.18);
}
.drawer a.active{
  background: rgba(10,132,255,.14);
  border-color: rgba(10,132,255,.30);
}

main{
  padding: 0 var(--pad) 60px;
}

.wrap{
  max-width: 980px;
  margin: 0 auto;
  padding-top: 28px;
}

.readWrap{
  max-width: var(--w);
  margin: 0 auto;
  padding-top: 26px;
}

/* Index hero */
.hero{
  border-radius: 22px;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: clamp(18px, 3vw, 28px);
}

.heroGrid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 920px){
  .heroGrid{ grid-template-columns: 1fr; }
}

.bookTitle{
  margin: 6px 0 10px;
  font-size: clamp(2.2rem, 1.2rem + 2.8vw, 3.35rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
  font-family: var(--font-sans);
}

.lead{
  margin: 0 0 16px;
  font-size: var(--p);
  line-height: 1.65;
  color: var(--muted);
  max-width: 70ch;
}

.ctaRow{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 10px;
}
.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(10,132,255,.28);
  background: rgba(10,132,255,.10);
  color: var(--text);
  text-decoration:none;
  font-weight: 650;
  font-family: var(--font-sans);
}
.cta:hover{ text-decoration:none; background: rgba(10,132,255,.14); }
.cta.secondary{
  border-color: var(--border);
  background: rgba(127,127,127,.10);
  font-weight: 600;
}

.sideCard{
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px 14px;
  background: rgba(255,255,255,.42);
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  .sideCard{ background: rgba(255,255,255,.05); }
}
.sideCard h2{
  margin: 6px 0 10px;
  font-size: var(--h2);
  letter-spacing: -0.01em;
  font-family: var(--font-sans);
}
.small{
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.55;
}

.grid{
  margin-top: 16px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 920px){
  .grid{ grid-template-columns: 1fr; }
}
.card{
  border-radius: 22px;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 16px 16px;
}
.card h2{
  margin: 6px 0 10px;
  font-size: 1.05rem;
  letter-spacing: .01em;
  font-family: var(--font-sans);
}
.list{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.item a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration:none;
  font-family: var(--font-sans);
}
.item a:hover{
  background: rgba(10,132,255,.08);
  border-color: rgba(10,132,255,.18);
}
.left{ display:flex; flex-direction:column; gap:2px; min-width:0; }
.name{ font-weight:650; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.desc{ font-size:.92rem; color:var(--muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.right{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.badge{
  font-variant-numeric: tabular-nums;
  font-size: .86rem;
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.42);
  padding: 6px 10px;
  border-radius: 999px;
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  .badge{ background: rgba(255,255,255,.05); }
}
.arrow{
  width: 34px; height: 34px;
  display:grid; place-items:center;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.42);
}
@media (prefers-color-scheme: dark){
  .arrow{ background: rgba(255,255,255,.05); }
}

/* Reader page */
.pageTitle{
  font-size: var(--h1);
  line-height: var(--lh-tight);
  margin: 10px 0 8px;
  letter-spacing: -0.02em;
  font-family: var(--font-sans);
}

.meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: .94rem;
  font-family: var(--font-sans);
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.45);
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  .pill{ background: rgba(255,255,255,.06); }
}

details.toc{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: rgba(255,255,255,.42);
  margin: 12px 0 22px;
  font-family: var(--font-sans);
}
@media (prefers-color-scheme: dark){
  details.toc{ background: rgba(255,255,255,.05); }
}
details.toc summary{
  cursor:pointer;
  font-weight: 650;
  list-style: none;
}
details.toc summary::-webkit-details-marker{ display:none; }

.toc-list{
  list-style:none;
  padding: 10px 0 0 0;
  margin: 0;
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.toc-list a{
  display:block;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration:none;
  font-size: .95rem;
  line-height: 1.25;
  font-family: var(--font-sans);
}
.toc-list a:hover{
  background: rgba(10,132,255,.08);
  border-color: rgba(10,132,255,.18);
}
.toc-list .lvl4{
  padding-left: 28px;
  color: var(--muted);
}

/* Markdown typography */
article.content{
  font-family: var(--font-serif);
  font-size: var(--p);
  line-height: var(--lh);
  text-wrap: pretty;
  hyphens: auto;
}
article.content a{
  text-decoration: underline;
  text-decoration-color: rgba(10,132,255,.38);
  text-underline-offset: .18em;
  text-decoration-thickness: .08em;
}
article.content a:hover{
  text-decoration-color: rgba(10,132,255,.80);
}

article.content mark{
  background: rgba(10,132,255,.14);
  color: inherit;
  padding: 0 .12em;
  border-radius: .35em;
}
@media (prefers-color-scheme: dark){
  article.content mark{ background: rgba(100,210,255,.16); }
}

article.content h1{ display:none; }
article.content h2{
  font-family: var(--font-sans);
  font-size: var(--h2);
  line-height: 1.28;
  margin: 34px 0 10px;
  letter-spacing: -0.015em;
}
article.content h3{
  font-family: var(--font-sans);
  font-size: var(--h3);
  margin: 24px 0 8px;
}
article.content h4{
  font-family: var(--font-sans);
  font-size: 1.05rem;
  margin: 18px 0 6px;
  letter-spacing: -0.005em;
}
article.content p{ margin: 12px 0; }
article.content strong{ font-weight: 700; }
article.content hr{
  border:0;
  border-top: 1px solid var(--border);
  margin: 26px 0;
}
article.content blockquote{
  margin: 18px 0;
  padding: 12px 14px;
  border-left: 4px solid rgba(10,132,255,.45);
  background: rgba(10,132,255,.05);
  border-radius: 14px;
  color: inherit;
}
@media (prefers-color-scheme: dark){
  article.content blockquote{
    background: rgba(100,210,255,.06);
    border-left-color: rgba(100,210,255,.45);
  }
}

article.content ul, article.content ol{
  padding-left: 1.2rem;
  margin: 12px 0;
}
article.content li{ margin: 6px 0; }
article.content code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: .95em;
  background: rgba(127,127,127,.14);
  padding: .15em .35em;
  border-radius: 8px;
  border: 1px solid rgba(127,127,127,.16);
}
article.content pre{
  overflow:auto;
  padding: 14px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(127,127,127,.10);
  margin: 16px 0;
}
article.content pre code{
  background: transparent;
  border: 0;
  padding: 0;
  font-size: .92em;
}
article.content img{
  max-width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin: 14px 0;
}

.pager{
  margin-top: 26px;
  display:flex;
  justify-content:space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .95rem;
  font-family: var(--font-sans);
}
.pager a{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.42);
  color: var(--text);
  text-decoration:none;
}
@media (prefers-color-scheme: dark){
  .pager a{ background: rgba(255,255,255,.05); }
}
.pager a:hover{ filter: brightness(1.03); }

footer.site-footer{
  margin-top: 18px;
  color: var(--muted);
  text-align:center;
  font-size: .92rem;
  font-family: var(--font-sans);
}

/* Corner counter */
.cornerCounter{
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--text);
  font-size: .92rem;
  font-family: var(--font-sans);
}
.cornerCounter .dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(10,132,255,.12);
}
@media (max-width: 520px){
  .cornerCounter{
    right: 10px;
    bottom: 10px;
    padding: 9px 10px;
    font-size: .88rem;
  }
}

/* Fundo cinematográfico apenas no index */
body.index{
  background: url("/bg_cinematic.webp") center/cover no-repeat fixed;
  background-color: var(--bg);
}

/* Evita “fixed background” no mobile (pode engasgar em alguns aparelhos) */
@media (max-width: 900px){
  body.index{ background-attachment: scroll; }
}

/* Capa no hero do index */
.coverCard{
  width: 100%;
  max-width: 380px;
  margin-left: auto;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: rgba(255,255,255,.22);
}

@media (prefers-color-scheme: dark){
  .coverCard{ background: rgba(255,255,255,.05); }
}

.coverCard img{
  width: 100%;
  height: auto;
  display: block;
}

.coverCaption{
  font-family: var(--font-sans);
  color: var(--muted);
  font-size: .92rem;
  padding: 10px 12px;
}

/* No mobile, centraliza a capa */
@media (max-width: 920px){
  .coverCard{
    max-width: 420px;
    margin: 10px auto 0;
  }
}

/* Superscrito de referência no texto */
.ref{
  font-family: var(--font-sans);
  font-size: .78em;
  line-height: 1;
  vertical-align: super;
  margin-left: .06em;
  padding: .10em .35em;
  border-radius: 999px;
  border: 1px solid rgba(10,132,255,.25);
  background: rgba(10,132,255,.08);
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
@media (prefers-color-scheme: dark){
  .ref{
    border-color: rgba(100,210,255,.25);
    background: rgba(100,210,255,.08);
  }
}
.ref:hover{
  filter: brightness(1.03);
}

/* Tooltip flutuante */
.refTooltip{
  position: absolute;
  z-index: 2000;
  display: none;
  max-width: min(520px, calc(100vw - 24px));
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--text);
  font-family: var(--font-sans);
}
.refTooltip.open{ display: block; }

.refTooltipHead{
  font-weight: 750;
  font-size: .92rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.refTooltipBody{
  font-size: .95rem;
  line-height: 1.45;
}
.refTooltipBody em{ font-style: italic; }
.refTooltipBody a{ text-decoration: underline; }


.refGroup{
  font-family: var(--font-sans);
  font-size: .78em;
  line-height: 1;
  vertical-align: super;
  margin-left: .06em;
}

.refGroup .ref{
  font-size: 1em; /* mantém o tamanho interno consistente */
}

.refSep{
  color: var(--muted);
}
