/* ============================================================
   Biblioteca Gota — paleta "editorial clara"
   Leitura longa, calma. Off-white quente, carvão suave,
   lilás Gota SÓ como detalhe (link, tag ativa, hover).
   ============================================================ */
:root {
  --bg: #FAF7F2;          /* off-white quente */
  --surface: #FFFFFF;     /* cards / superfícies */
  --surface-2: #F4F0E9;   /* superfície alternada */
  --ink: #2B2A28;         /* carvão suave (texto) */
  --ink-soft: #6B675F;    /* secundário */
  --ink-faint: #9A958C;   /* terciário / metadados */
  --accent: #8E54B8;      /* lilás Gota sóbrio (links, ativo) */
  --accent-strong: #6B2E92;
  --accent-soft: #F1E9F8; /* fundo de destaque discreto */
  --line: #E8E2D8;        /* divisórias */
  --highlight: #FBF6E9;   /* faixa "Na prática" (creme, não lilás chapado) */
  --highlight-line: #E4C97A;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --maxw: 640px;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(43, 42, 40, 0.04), 0 4px 16px rgba(43, 42, 40, 0.05);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* ---------- Cabeçalho ---------- */
.site-head {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--ink);
  white-space: nowrap;
}
.brand small { display: block; font-family: var(--sans); font-size: 12px; font-weight: 400; color: var(--ink-faint); letter-spacing: 0.4px; text-transform: uppercase; }

.search {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  box-shadow: var(--shadow);
}
.search:focus-within { border-color: var(--accent); }
.search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: 15px;
  color: var(--ink);
  font-family: var(--sans);
}
.search .ico { color: var(--ink-faint); font-size: 15px; }

/* ---------- Filtros ---------- */
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 18px 0 10px;
}
.filter-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--sans);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent-strong); }
.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Breadcrumb (categoria aberta -> voltar às categorias) */
.subnav.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0 14px;
  flex-wrap: wrap;
}
.crumb-back {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 600;
}
.crumb-back:hover { border-color: var(--accent); background: var(--accent-soft); }
.crumb-sep { color: var(--ink-faint); }
.crumb-current { font-family: var(--serif); font-size: 16px; color: var(--ink); font-weight: 600; }

/* Sub-navegação (lista de óleos / condições) */
.subnav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 4px 0 16px;
}
.subnav button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  font-family: var(--sans);
}
.subnav button:hover { border-color: var(--accent); color: var(--accent-strong); }
.subnav button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.subnav .count { color: var(--ink-faint); margin-left: 5px; }

/* ---------- Resultado / contexto ---------- */
.result-meta {
  color: var(--ink-soft);
  font-size: 14px;
  padding: 4px 0 14px;
}
.result-meta strong { color: var(--ink); }

/* ---------- Grid de cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding-bottom: 56px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); text-decoration: none; }
.card .code { font-size: 12px; color: var(--ink-faint); letter-spacing: 0.3px; text-transform: uppercase; }
.card .oil { font-size: 13px; color: var(--accent-strong); font-weight: 600; }
.card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}
.card .card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.card .fav-star { margin-left: auto; color: var(--highlight-line); font-size: 16px; }

.group-head {
  grid-column: 1 / -1;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding: 18px 0 6px;
  margin-top: 4px;
}
.group-head:first-child { margin-top: 0; }

/* ---------- Grade de CATEGORIAS ---------- */
.grid-cats {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.cat-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  font-family: var(--sans);
  color: inherit;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}
.cat-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 2px 4px rgba(43,42,40,.06), 0 10px 26px rgba(43,42,40,.08);
}
/* Capa: gradiente botânico de fallback (inline) + imagem por cima quando existe */
.cat-cover {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 500 / 708;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.cat-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.cat-cover img.is-loaded { opacity: 1; }
/* Nome sobreposto — sempre legível (faixa de leitura suave na base) */
.cat-name {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 14px 12px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  background: linear-gradient(to top, rgba(255,255,255,.86) 30%, rgba(255,255,255,0));
  z-index: 1;
}
/* Quando a foto da Alpa carrega, o nome já vem embutido nela — escondemos o
   nosso overlay pra não duplicar. O gradiente-fallback (sem foto) mantém o nome. */
.cat-cover img.is-loaded ~ .cat-name {
  display: none;
}
.cat-meta {
  display: flex;
  align-items: center;
  padding: 11px 14px 12px;
}
.cat-count { font-size: 13px; color: var(--ink-soft); }
/* Progresso "X de N lidos" */
.cat-progress { padding: 0 14px 13px; }
.cat-progress-bar {
  height: 4px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}
.cat-progress-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}
.cat-progress small { display: block; margin-top: 5px; font-size: 11px; color: var(--ink-faint); }

/* Marca de "lido" no card de artigo */
.card.is-read { border-color: #D8E4D2; }
.card .read-check {
  margin-left: 6px;
  color: #5F8C52;
  font-weight: 700;
}

/* ---------- Chips ---------- */
.chip {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  line-height: 1.4;
}

/* ---------- Estado vazio ---------- */
.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-soft);
  padding: 64px 20px;
}
.empty h3 { font-family: var(--serif); color: var(--ink); margin: 0 0 6px; }
.empty .sugg { margin-top: 14px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.empty .sugg button { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 6px 13px; cursor: pointer; color: var(--accent-strong); }

mark { background: #FBEFC8; color: inherit; padding: 0 1px; border-radius: 2px; }

.loading { grid-column: 1 / -1; text-align: center; color: var(--ink-faint); padding: 48px; }

/* ============================================================
   Página de leitura (artigo.html)
   ============================================================ */
.reader { max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 80px; }

.back-link { font-size: 14px; color: var(--ink-soft); display: inline-flex; gap: 6px; align-items: center; margin-bottom: 22px; }
.back-link:hover { color: var(--accent-strong); }

.art-code { font-size: 12px; letter-spacing: 0.6px; text-transform: uppercase; color: var(--ink-faint); }
.art-oil { font-size: 14px; color: var(--accent-strong); font-weight: 600; margin-top: 2px; }
.art-oil .sci { font-style: italic; font-weight: 400; color: var(--ink-soft); }

.art-title {
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.28;
  font-weight: 600;
  margin: 12px 0 6px;
  color: var(--ink);
}
.art-original {
  font-size: 14px;
  color: var(--ink-faint);
  font-style: italic;
  margin: 0 0 16px;
}

.art-tags { display: flex; gap: 7px; flex-wrap: wrap; margin: 0 0 22px; }

/* Bloco-ficha discreto */
.ficha {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 0 0 30px;
  font-size: 13.5px;
  color: var(--ink-soft);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
}
.ficha dt { color: var(--ink-faint); }
.ficha dd { margin: 0; color: var(--ink); }
.ficha a { word-break: break-all; }

/* Corpo de leitura */
.read { font-family: var(--serif); font-size: 18.5px; line-height: 1.78; color: var(--ink); }
.read h2 {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 700;
  margin: 34px 0 10px;
}
.read p { margin: 0 0 18px; }

/* "Na prática" — DESTAQUE (faixa creme, NÃO lilás chapado) */
.na-pratica {
  background: var(--highlight);
  border-left: 4px solid var(--highlight-line);
  border-radius: 8px;
  padding: 18px 22px;
  margin: 30px 0;
}
.na-pratica .label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 800;
  color: #9A7A19;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
}
.na-pratica .body { font-family: var(--serif); font-size: 18px; line-height: 1.7; color: #4A3F22; }
.na-pratica .body p { margin: 0 0 14px; }
.na-pratica .body p:last-child { margin-bottom: 0; }

/* Posologia (discreta, só se houver) */
.posologia {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--ink-soft);
}
.posologia .label { font-family: var(--sans); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-faint); font-weight: 700; margin-bottom: 6px; }

/* Ações */
.art-actions { display: flex; gap: 12px; align-items: center; margin: 8px 0 34px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--sans);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
}
.btn:hover { border-color: var(--accent); color: var(--accent-strong); text-decoration: none; }
.btn.is-saved { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.btn.is-read { background: #EAF2E6; border-color: #B9D2AC; color: #4A6B3F; }
.btn.doi { color: var(--accent-strong); }

/* Navegação anterior/próximo */
.art-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-top: 10px;
}
.art-nav a {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13.5px;
}
.art-nav a:hover { border-color: var(--accent); text-decoration: none; }
.art-nav a.next { text-align: right; }
.art-nav .dir { font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--ink-faint); display: block; margin-bottom: 3px; }
.art-nav a.disabled { opacity: 0.4; pointer-events: none; }
.art-nav .pos { font-size: 12px; color: var(--ink-faint); align-self: center; white-space: nowrap; }

@media (max-width: 540px) {
  .art-title { font-size: 23px; }
  .read { font-size: 17.5px; }
}

/* ============================================================
   Impressão / "Baixar PDF" (artigo.html)
   Folha caprichada: esconde nav e botões, tipografia serifada,
   margens boas. O usuário salva como PDF pelo diálogo do navegador.
   TODO(pdf): trocar por PDF gerado no servidor para fidelidade total.
   ============================================================ */
@media print {
  @page { margin: 18mm 16mm; }

  html, body { background: #fff !important; color: #1f1e1c !important; }

  /* Esconde tudo que não é conteúdo do artigo */
  .back-link,
  .art-actions,
  .art-nav { display: none !important; }

  .reader { max-width: 100%; margin: 0; padding: 0; }

  /* Tipografia de leitura serifada e confortável no papel */
  .art-code { color: #8a857c; font-size: 10pt; }
  .art-oil { color: #5a4a6a; font-size: 11pt; margin-top: 2pt; }
  .art-title { font-size: 22pt; line-height: 1.25; color: #1f1e1c; margin: 8pt 0 4pt; }
  .art-original { font-size: 10.5pt; color: #6b675f; }

  .art-tags { margin-bottom: 14pt; }
  .chip {
    background: #fff !important;
    border: 1px solid #d8d2c8;
    color: #5a4a6a !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .ficha {
    background: #faf8f4 !important;
    border: 1px solid #e2dccf;
    color: #4a463f !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    page-break-inside: avoid;
  }
  .ficha a { color: #1f1e1c !important; text-decoration: none; }

  .read { font-size: 12pt; line-height: 1.6; color: #1f1e1c; }
  .read h2 { color: #8a857c; margin-top: 18pt; page-break-after: avoid; }
  .read p, .na-pratica, .posologia { page-break-inside: avoid; }

  /* "Na prática" mantém o destaque (faixa creme) na impressão */
  .na-pratica {
    background: #fbf6e9 !important;
    border-left: 3px solid #e4c97a !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .na-pratica .label { color: #9a7a19 !important; }
  .na-pratica .body { color: #4a3f22 !important; }

  /* Assinatura discreta no rodapé do PDF */
  .reader::after {
    content: "Biblioteca Científica · Gota Consciência";
    display: block;
    margin-top: 22pt;
    padding-top: 8pt;
    border-top: 1px solid #e2dccf;
    font-size: 9pt;
    color: #9a958c;
  }
}