/* ultra_library · a sala ---------------------------------------------------
   Fundamento de toda a estante: os tokens que os outros arquivos consomem
   (paleta, geometria, tipografia), o reset, e o texto que emoldura o móvel —
   cabeçalho, navegação, estantes vazias e colofão.
   Carrega primeiro; nada aqui desenha madeira nem livro. */

:root {
  /* a sala */
  --room: #0e1411;
  --room-2: #172019;
  --brass: #c19a5b;
  --brass-dim: #8b6d3f;
  --cream: #efe8d8;
  --cream-dim: #b8b09d;
  --ink: #16211c;
  --pages: #e9e2cf;

  /* douramento e metais (lombada, capa, placas) */
  --gold: #d4af37;
  --gold-light: #fff2cc;
  --gold-dim: #997825;
  --bronze: #b38b4d;
  --silver: #e6e9ed;

  /* geometria: o contrato entre a marcenaria e o volume */
  --w: 270px;           /* largura da capa (profundidade do volume) */
  --slot: 440px;        /* altura útil de cada prateleira (livro mais alto: 428px) */
  --plank: 22px;        /* espessura da tábua */
  --up: 22px;           /* largura do montante lateral */

  /* tipografias */
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body: "Literata", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --condensed: "Oswald", "Archivo Narrow", "Arial Narrow", sans-serif;

  --font-religiao: "Cormorant Garamond", "Cinzel", "Fraunces", Georgia, serif;
  --font-historia: "Cinzel", "Marcellus", "Fraunces", Georgia, serif;
  --font-estrategia: "Bodoni Moda", "Prata", "Cinzel", Georgia, serif;
  --font-literatura: "Playfair Display", "Fraunces", Georgia, serif;
  --font-filosofia: "Spectral", "Newsreader", Georgia, serif;
  --font-ciencia: "BioRhyme", "Space Grotesk", Georgia, serif;
  --font-economia: "Libre Baskerville", "Baskervville", Georgia, serif;
  --font-teatro: "Marcellus", "Cinzel", Georgia, serif;
  --font-outros: "Fraunces", "Literata", Georgia, serif;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body.library {
  margin: 0;
  background:
    radial-gradient(ellipse 70% 40% at 50% -5%, rgba(193,154,91,.18), transparent 70%),
    var(--room);
  color: var(--cream);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }

/* faixa institucional · leiturasemdia.com.br ------------------------------ */
.led-banner {
  position: relative;
  z-index: 90;
  background: linear-gradient(90deg, #130a38 0%, #1c0e48 22%, #381436 50%, #4d1732 78%, #170b3b 100%);
  border-bottom: 1px solid rgba(196, 167, 71, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(245, 239, 254, 0.08);
  font-family: var(--sans);
  font-size: 0.84rem;
  color: #f5effe;
  line-height: 1.4;
  transition: opacity 0.25s ease, max-height 0.3s ease, margin 0.3s ease, padding 0.3s ease;
  overflow: hidden;
}
.led-banner[hidden] { display: none !important; }
.led-banner.is-dismissing {
  opacity: 0;
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
  margin-bottom: 0;
  border-bottom-color: transparent;
}
.led-banner-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.45rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.led-banner-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.led-logo {
  width: 26px;
  height: 26px;
  border-radius: 5px;
  border: 1px solid rgba(196, 167, 71, 0.4);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  display: block;
}
.led-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: rgba(196, 167, 71, 0.15);
  color: #f3d994;
  border: 1px solid rgba(196, 167, 71, 0.32);
  white-space: nowrap;
}
.led-banner-message {
  flex: 1;
  min-width: 0;
  text-align: center;
}
.led-text-link {
  text-decoration: none;
  color: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.led-highlight {
  font-family: var(--display);
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
  font-size: 0.94rem;
}
.led-sep {
  color: rgba(196, 167, 71, 0.65);
  font-weight: bold;
}
.led-desc {
  color: rgba(245, 239, 254, 0.88);
  font-size: 0.82rem;
}
.led-banner-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.led-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.28rem 0.8rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(196, 167, 71, 0.22) 0%, rgba(101, 30, 62, 0.65) 100%);
  color: #fff4d6;
  border: 1px solid rgba(196, 167, 71, 0.45);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.led-cta-btn:hover {
  background: linear-gradient(135deg, rgba(196, 167, 71, 0.38) 0%, rgba(121, 36, 74, 0.85) 100%);
  border-color: #c4a747;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(196, 167, 71, 0.35);
  transform: translateY(-1px);
}
.led-arrow {
  transition: transform 0.2s ease;
  font-size: 0.85rem;
  line-height: 1;
}
.led-cta-btn:hover .led-arrow {
  transform: translateX(2px);
}
.led-banner-close {
  background: none;
  border: none;
  color: rgba(245, 239, 254, 0.45);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.2rem 0.4rem;
  cursor: pointer;
  border-radius: 4px;
  transition: color 0.15s ease, background 0.15s ease;
}
.led-banner-close:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 900px) {
  .led-banner-inner {
    flex-wrap: wrap;
    padding: 0.4rem 0.8rem;
    gap: 0.5rem;
    justify-content: center;
  }
  .led-banner-message {
    order: 3;
    flex-basis: 100%;
  }
}
@media (max-width: 600px) {
  .led-desc, .led-sep {
    display: none;
  }
}

/* cabeçalho --------------------------------------------------------------- */
.masthead {
  text-align: center;
  padding: 4.5rem 1.5rem 2rem;
}
.masthead h1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(2.6rem, 7vw, 5rem);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  font-variation-settings: "opsz" 144;
}
.masthead h1 .ul {
  font-style: italic;
  color: var(--brass);
  font-weight: 400;
}
.tagline {
  margin: 1rem auto 0;
  max-width: 34rem;
  color: var(--cream-dim);
  font-style: italic;
  font-size: 1.05rem;
}
.stats {
  display: flex; gap: 1.6rem; justify-content: center; flex-wrap: wrap;
  margin: 1.4rem 0 0;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--brass-dim);
}

/* navegação entre estantes ------------------------------------------------- */
.shelf-nav {
  display: flex; gap: .25rem 1.4rem; justify-content: center; flex-wrap: wrap;
  padding: 0 1rem 1.2rem;
  font-family: var(--display);
  font-style: italic;
  font-size: 1rem;
}
.shelf-nav a { text-decoration: none; color: var(--cream-dim); border-bottom: 1px solid transparent; }
.shelf-nav a:hover { color: var(--brass); border-color: var(--brass-dim); }

/* estantes vazias e rodapé ------------------------------------------------- */
.empties { margin-top: 3rem; }
.empties summary {
  cursor: pointer; list-style: none;
  font-family: var(--display); font-style: italic; color: var(--cream-dim);
  text-align: center; padding: .6rem;
}
.empties summary::before { content: "▸ "; color: var(--brass-dim); }
.empties[open] summary { margin-bottom: 2rem; }
.empties[open] summary::before { content: "▾ "; }
.empties .bookcase { opacity: .6; }

.colophon {
  text-align: center; padding: 1rem 1.5rem 4rem;
  color: var(--cream-dim); font-style: italic; font-size: .92rem;
}