/* ============================================================
     PÁGINA-ÍNDICE DE CATEGORIA — Tokens oficiais (design.md)
     Hero: faixa clara + chip colorido (decisão Elton 2026-06-07).
     Corpo: grid de artigos + sidebar de filtros (padrão home v5).
     ============================================================ */

  /* Estilos estruturais, resets e tokens no shell.css compartilhado */
  .container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }

  /* ============================================================
     HERO — faixa clara, chip colorido marca a categoria
     ============================================================ */
  .hero-cat { background: var(--bg-2); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
  .hero-cat-inner {
    max-width: var(--maxw); margin: 0 auto; padding: 44px var(--pad-x) 44px;
    display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center;
  }
  @media (max-width: 860px) { .hero-cat-inner { grid-template-columns: 1fr; gap: 26px; } }
  .hero-cat-main { min-width: 0; }

  /* Chip colorido — a única superfície com a cor da categoria */
  .cat-chip {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 7px 16px 7px 11px; margin: 0 0 16px;
    border-radius: 99px; font-size: .72rem; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase; color: #fff;
  }
  .cat-chip img { width: 17px; height: 17px; filter: drop-shadow(0 1px 2px rgba(0,0,0,.15)); }
  .hero-cat[data-category="ferramentas"]    .cat-chip { background: var(--cat-ferramentas); }
  .hero-cat[data-category="gestao-moodle"]  .cat-chip { background: var(--cat-gestao-moodle); }
  .hero-cat[data-category="pedagogia"]      .cat-chip { background: var(--cat-pedagogia); }
  .hero-cat[data-category="acessibilidade"] .cat-chip { background: var(--cat-acessibilidade); }
  .hero-cat[data-category="conduta"]        .cat-chip { background: var(--cat-conduta); color: var(--ink); }
  .hero-cat[data-category="identidade"]     .cat-chip { background: var(--cat-identidade); }

  .hero-cat h1 {
    font-size: 2.6rem; line-height: 1.08; font-weight: 700; letter-spacing: -.02em;
    margin: 0 0 14px; color: var(--ink);
  }
  @media (max-width: 700px) { .hero-cat h1 { font-size: 2.05rem; } }
  .hero-cat .subtitle {
    font-size: 1.06rem; line-height: 1.55; margin: 0; color: var(--ink-2); max-width: 62ch;
  }

  /* Painel de stats à direita */
  .hero-cat-stats {
    border-left: 1px solid var(--line-2); padding-left: 28px; min-width: 150px;
    display: flex; flex-direction: column; gap: 16px;
  }
  @media (max-width: 860px) {
    .hero-cat-stats { border-left: 0; border-top: 1px solid var(--line-2); padding-left: 0; padding-top: 22px; flex-direction: row; gap: 40px; }
  }
  .hero-cat-stat .label {
    display: block; font-size: .66rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--ink-3); margin: 0 0 3px;
  }
  .hero-cat-stat .value { font-size: 1.35rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }

  /* ============================================================
     CORPO — grid de artigos + sidebar de filtros (padrão home v5)
     ============================================================ */
  .section { padding: 44px 0 64px; }

  .content-layout { display: grid; grid-template-columns: 1fr 220px; gap: 36px; align-items: start; }
  @media (max-width: 960px) {
    .content-layout { grid-template-columns: 1fr; gap: 28px; }
    .filter-sidebar { position: static !important; order: -1; }
  }

  .filter-sidebar {
    display: flex; flex-direction: column; gap: 2px; position: sticky; top: 88px;
  }
  .sidebar-title {
    font-size: .72rem; font-weight: 700; color: var(--ink-3);
    margin: 0 0 4px; padding-bottom: 8px; border-bottom: 1px solid var(--line);
    letter-spacing: .12em; text-transform: uppercase;
  }
  .filter-group:not(:last-of-type) { border-bottom: 1px solid var(--line); }
  .filter-group-header {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; background: transparent; border: none; padding: 11px 0;
    font-family: var(--sans); font-size: .82rem; font-weight: 600;
    color: var(--ink-2); cursor: pointer; text-align: left;
  }
  .filter-group-header:hover { color: var(--verde-marca); }
  .filter-group-header .chevron { transition: transform .25s ease; color: var(--ink-3); width: 13px; height: 13px; }
  .filter-group.active .filter-group-header { color: var(--ink); }
  .filter-group.active .filter-group-header .chevron { transform: rotate(180deg); }
  .filter-group-content { display: none; padding: 2px 0 12px; }
  .filter-group.active .filter-group-content { display: block; }

  .sidebar-select {
    width: 100%; padding: 7px 10px; border-radius: var(--r-sm);
    border: 1px solid var(--line-2); background: var(--paper); color: var(--ink);
    font-family: var(--sans); font-size: .82rem; font-weight: 500;
    cursor: pointer; outline: none; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238a8273' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 10px center; background-size: 13px; padding-right: 28px;
  }
  .sidebar-select:focus { border-color: var(--verde-marca); box-shadow: 0 0 0 3px var(--verde-palido); }

  .sidebar-checkboxes { display: flex; flex-direction: column; gap: 7px; }
  .sidebar-cb-label {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: .84rem; font-weight: 500; color: var(--ink-2);
    cursor: pointer; user-select: none; transition: color .12s;
  }
  .sidebar-cb-label:hover { color: var(--ink); }
  .sidebar-cb-label input[type="checkbox"] {
    appearance: none; -webkit-appearance: none; width: 15px; height: 15px;
    border: 1.4px solid var(--line-2); border-radius: 4px; background: var(--paper);
    cursor: pointer; display: grid; place-content: center;
    transition: border-color .15s, background-color .15s; flex-shrink: 0;
  }
  .sidebar-cb-label input[type="checkbox"]::before {
    content: ""; width: 9px; height: 9px; transform: scale(0); transition: transform .12s ease-in-out;
    background-color: var(--verde-marca);
    clip-path: polygon(14% 44%, 0 58%, 38% 96%, 100% 23%, 86% 9%, 38% 68%);
  }
  .sidebar-cb-label input[type="checkbox"]:checked { background-color: var(--verde-palido); border-color: var(--verde-marca); }
  .sidebar-cb-label input[type="checkbox"]:checked::before { transform: scale(1); }

  .sidebar-stats {
    font-size: .78rem; color: var(--ink-3); font-weight: 500;
    margin-top: 8px; padding-top: 12px; border-top: 1px dashed var(--line);
  }
  .sidebar-stats strong { color: var(--verde-marca); font-weight: 700; }

  /* ---------- Cards de artigo (cor = categoria, ícone = grupo) ---------- */
  .card {
    background: var(--paper); border: 1px solid var(--line);
    border-radius: var(--r-lg); overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .2s ease, border-color .15s, box-shadow .15s;
  }
  .card:hover { border-color: var(--verde-claro); transform: translateY(-2px); box-shadow: var(--shadow-md); }
  .card-illust { aspect-ratio: 16 / 7; display: grid; place-items: center; position: relative; overflow: hidden; }
  .card-illust img { width: 28%; height: auto; max-width: 90px; opacity: .95; filter: drop-shadow(0 2px 6px rgba(0,0,0,.08)); }
  .card[data-category="ferramentas"]    .card-illust { background: var(--cat-ferramentas); }
  .card[data-category="gestao-moodle"]  .card-illust { background: var(--cat-gestao-moodle); }
  .card[data-category="pedagogia"]      .card-illust { background: var(--cat-pedagogia); }
  .card[data-category="acessibilidade"] .card-illust { background: var(--cat-acessibilidade); }
  .card[data-category="conduta"]        .card-illust { background: var(--cat-conduta); }
  .card[data-category="identidade"]     .card-illust { background: var(--cat-identidade); }
  .card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
  .card-kicker { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
  .card h3 { margin: 0; font-size: 1.18rem; font-weight: 700; line-height: 1.3; color: var(--ink); letter-spacing: -.005em; }
  .card-desc { font-size: .92rem; color: var(--ink-2); line-height: 1.55; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .card-meta { margin-top: auto; padding-top: 12px; display: flex; gap: 10px; font-size: .8rem; color: var(--ink-3); align-items: center; }
  .badge-tipo { padding: 4px 12px; border-radius: 99px; font-weight: 600; font-size: .72rem; letter-spacing: .02em; background: var(--bg-2); color: var(--ink-2); }

  .empty-state { display: none; padding: 48px 0; text-align: center; color: var(--ink-3); font-size: .95rem; }

  .show-more-wrap { text-align: center; margin-top: 40px; }
  .show-more {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 99px;
    background: transparent; border: 1px solid var(--line-2); color: var(--ink-2);
    font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer; transition: all .15s;
  }
  .show-more:hover { border-color: var(--verde-marca); color: var(--verde-marca); background: var(--verde-palido); }
  .show-more svg { width: 14px; height: 14px; }

  @media (max-width: 600px) { :root { --pad-x: 20px; } }