.mat-wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* topo mais enxuto, alinhado ao início dos cards */
.mat-hero { padding-bottom: 44px; }
.mat-hero .post-hero__lead { max-width: 640px; }

.mat-main { padding-top: 8px; padding-bottom: 72px; }

/* ---------- Busca ---------- */
.mat-busca { max-width: 520px; margin: 0 0 28px; }
.mat-busca__campo { position: relative; display: block; margin: 0; }
.mat-busca__campo i { position: absolute; top: 50%; left: 18px; transform: translateY(-50%); color: #8a93ad; pointer-events: none; }
.mat-busca__campo input {
  width: 100%; height: 54px; padding: 0 18px 0 48px; outline: none;
  font: 400 16px/1 'Open Sans', sans-serif; color: var(--ac-text); text-align: left;
  background: #fff; border: 2px solid var(--ac-line); border-radius: 14px; transition: border-color .2s ease, box-shadow .2s ease;
}
.mat-busca__campo input:focus { border-color: var(--ac-navy); box-shadow: 0 0 0 4px rgba(11, 42, 111, .1); }

/* ---------- Cards ---------- */
.mat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.mat-item[hidden] { display: none; }
.mat-card {
  display: flex; align-items: center; gap: 16px; height: 100%; padding: 18px 20px; text-decoration: none;
  background: #fff; border: 1px solid var(--ac-line); border-radius: 18px; box-shadow: 0 4px 16px rgba(11, 42, 111, .06);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.mat-card:hover { transform: translateY(-4px); border-color: #c9d3ee; box-shadow: 0 12px 28px rgba(11, 42, 111, .14); }
.mat-card:focus-visible { outline: 3px solid var(--ac-yellow); outline-offset: 2px; }

.mat-card__icone {
  flex: 0 0 52px; display: flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; font-size: 24px; border-radius: 14px; background: var(--ac-soft); color: var(--ac-navy);
}
.mat-card__icone--pdf     { background: #fde9e9; color: #c62828; }
.mat-card__icone--word    { background: #e5edff; color: #1e4fbf; }
.mat-card__icone--excel   { background: #e3f4e7; color: #2e7d32; }
.mat-card__icone--imagem  { background: #fff1d1; color: #a86f00; }

.mat-card__corpo { flex: 1; min-width: 0; }
.mat-card__nome { display: block; font: 700 17px/1.3 'Montserrat', sans-serif; color: var(--ac-navy); overflow-wrap: anywhere; }
.mat-card__meta { display: flex; align-items: center; gap: 8px; margin-top: 7px; font: 600 13px/1 'Open Sans', sans-serif; color: #6b7590; }
.mat-card__tipo { padding: 3px 8px; font-size: 11px; letter-spacing: .06em; color: var(--ac-navy); background: var(--ac-soft); border-radius: 6px; }
.mat-card__seta {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  font-size: 13px; color: var(--ac-navy); background: var(--ac-soft); border-radius: 50%; transition: background .25s ease;
}
.mat-card:hover .mat-card__seta { background: var(--ac-yellow); }

/* ---------- Sem resultado na busca / sem nenhuma lista ---------- */
.mat-vazio { margin: 28px 0 0; padding: 22px; text-align: center; font-size: 16px; color: #5b6580; background: var(--ac-soft); border-radius: 16px; }
.mat-vazio[hidden] { display: none; }
.mat-vazio-box { max-width: 560px; margin: 24px auto 0; padding: 48px 28px; text-align: center; background: var(--ac-soft); border-radius: 24px; }
.mat-vazio-box > i { font-size: 44px; color: var(--ac-navy); opacity: .85; }
.mat-vazio-box h2 { margin: 18px 0 10px; font: 800 24px/1.25 'Montserrat', sans-serif; color: var(--ac-navy); }
.mat-vazio-box p { margin: 0 0 24px; font-size: 16px; line-height: 1.7; color: #4a5470; }
.mat-btn {
  display: inline-flex; align-items: center; padding: 14px 28px; font: 700 15px/1 'Montserrat', sans-serif;
  color: #fff; text-decoration: none; background: var(--ac-navy); border-radius: 40px; transition: background .25s ease;
}
.mat-btn:hover { color: #fff; background: var(--ac-navy-dark); }

/* ---------- Celular ---------- */
@media (max-width: 767px) {
  .mat-hero { padding-bottom: 32px; }
  .mat-main { padding-bottom: 48px; }
  .mat-card { padding: 16px; gap: 14px; }
  .mat-card__nome { font-size: 16px; }
  .mat-vazio-box { padding: 36px 20px; }
}