.mm-resources{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:#222;
  line-height:1.7;
  width:100%;
}

/* filtros */
.mm-filters{ display:flex; flex-wrap:wrap; gap:10px; margin:8px 0 18px 0; }
.mm-resources .mm-filter{
  border:1px solid rgba(0,0,0,.12)!important;
  background:#fff!important;
  color:#222!important;
  padding:8px 12px!important;
  border-radius:999px!important;
  cursor:pointer;
  font-size:14px!important;
  line-height:1!important;
  box-shadow:none!important;
  text-transform:none!important;
}
.mm-resources .mm-filter:hover{ background:rgba(0,0,0,.03)!important; }
.mm-resources .mm-filter.is-active{
  border-color:rgba(0,0,0,.22)!important;
  box-shadow:0 6px 18px rgba(0,0,0,.08)!important;
  font-weight:700!important;
}

/* grid */
.mm-grid{ display:grid; gap:14px; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); }

.mm-card{
  border:1px solid rgba(0,0,0,.10);
  border-radius:18px;
  padding:14px 14px 12px 14px;
  background:#fff;
  box-shadow:0 10px 26px rgba(0,0,0,.06);
  display:flex;
  flex-direction:column;
  min-height:210px;
}
.mm-card[hidden]{ display:none!important; }

.mm-card__top{ display:flex; gap:12px; align-items:center; }
.mm-card__icon{
  width:44px; height:44px; border-radius:14px;
  display:grid; place-items:center;
  border:1px solid rgba(0,0,0,.10);
  background:rgba(0,0,0,.02);
  font-size:22px;
}
.mm-card__category{ font-size:12px; opacity:.75; margin-bottom:2px; }
.mm-card__title{ margin:0; font-size:16px; line-height:1.25; }
.mm-card__desc{
  margin:10px 0 10px 0;
  font-size:14px;
  text-align:justify; text-justify:inter-word; hyphens:auto;
}
.mm-card__tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:auto; padding-top:6px; }
.mm-tag{
  font-size:12px; padding:4px 8px; border-radius:999px;
  border:1px solid rgba(0,0,0,.10);
  background:rgba(0,0,0,.02);
}

.mm-card__actions{ display:flex; gap:10px; margin-top:12px; }

.mm-resources .mm-btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:9px 12px!important;
  border-radius:12px!important;
  border:1px solid rgba(0,0,0,.12)!important;
  background:#fff!important;
  color:#222!important;
  cursor:pointer;
  font-size:14px!important;
  line-height:1!important;
  flex:1;
  user-select:none;
  box-shadow:none!important;
  text-transform:none!important;
}
.mm-resources .mm-btn:hover{ background:rgba(0,0,0,.03)!important; }
.mm-resources .mm-btn--primary{
  border-color:rgba(0,0,0,.20)!important;
  box-shadow:0 10px 22px rgba(0,0,0,.08)!important;
  font-weight:800!important;
}

/* modal */
.mm-modal{ position:fixed; inset:0; z-index:999999; display:none; }
.mm-modal.is-open{ display:block; }
.mm-modal__overlay{ position:absolute; inset:0; background:rgba(0,0,0,.55); }

.mm-modal__panel{
  position:relative;
  width:min(1240px, calc(100vw - 24px));
  height:min(88vh, 860px);
  margin:6vh auto 0 auto;
  background:#fff;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.25);
  box-shadow:0 30px 80px rgba(0,0,0,.35);
  display:flex; flex-direction:column;
}

.mm-modal__header{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 14px 10px 14px;
  border-bottom:1px solid rgba(0,0,0,.10);
  gap:10px;
}
.mm-modal__title{ margin:0; font-size:18px; line-height:1.2; color:#222!important; }
.mm-modal__meta{
  margin:4px 0 0 0; font-size:13px; opacity:.75;
  text-align:justify; hyphens:auto; color:#222!important;
}
.mm-modal__close{
  width:40px; height:40px; border-radius:12px;
  border:1px solid rgba(0,0,0,.12)!important;
  background:#fff!important; color:#222!important;
  cursor:pointer; font-size:18px!important;
  display:grid; place-items:center;
}
.mm-modal__close:hover{ background:rgba(0,0,0,.03)!important; }

.mm-modal__body{
  padding:12px;
  display:flex; flex-direction:column; gap:10px;
  height:100%;
  min-height:0; /* importante p/ flex + iframe */
}

/* dica */
.mm-modal__hint{
  border:1px solid rgba(0,0,0,.10);
  border-radius:14px;
  padding:10px 12px;
  background:rgba(0,0,0,.02);
  font-size:13px;
  color:#222!important;
}
.mm-hint-kbd{
  display:inline-block;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid rgba(0,0,0,.14);
  background:#fff;
  font-weight:700;
  letter-spacing:.2px;
}
.mm-hint-sep{ opacity:.5; padding:0 6px; }

.mm-modal__frame{
  width:100%;
  flex:1;
  min-height:0;
  border:1px solid rgba(0,0,0,.10);
  border-radius:14px;
  display:block; /* deixa medir e preencher */
  background:#fff;
}

.mm-modal__details{
  width:100%;
  flex:1;
  min-height:0;
  border:1px solid rgba(0,0,0,.10);
  border-radius:14px;
  padding:14px;
  background:rgba(0,0,0,.02);
  display:none;
  overflow:auto;
  color:#222!important;
}

.mm-modal__empty{
  display:none;
  border:1px dashed rgba(0,0,0,.25);
  border-radius:14px;
  padding:14px;
  background:rgba(0,0,0,.02);
}

.mm-modal__footer{
  display:flex;
  gap:10px;
  justify-content:flex-end;
  padding-top:2px;
}

/* Mobile */
@media (max-width: 768px){
  .mm-modal__panel{
    width:calc(100vw - 14px);
    height:calc(100vh - 14px);
    margin:7px auto;
    border-radius:16px;
  }

  .mm-modal__header{
    padding:12px 12px 10px 12px;
  }

  .mm-card__actions{ flex-direction:column; }
  .mm-resources .mm-btn{ width:100%; }

  /* melhora “safe area” */
  .mm-modal__body{
    padding:10px;
    padding-bottom:calc(10px + env(safe-area-inset-bottom));
  }

  .mm-modal__footer{
    padding-bottom:calc(6px + env(safe-area-inset-bottom));
  }
}
/* === Correção do espaço vazio do GeoGebra (desktop) === */
@media (min-width: 769px) {
  .mm-modal__frame {
    max-width: 900px;
    margin: 0 auto;       /* centraliza */
    display: block;
  }
}
/* --- FIX: header do modal sempre acima do iframe (GeoGebra) --- */
.mm-modal__panel { position: relative; }

.mm-modal__header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff; /* garante que não fica transparente */
}

.mm-modal__close{
  position: relative;
  z-index: 60;
}

.mm-modal__frame{
  position: relative;
  z-index: 1;
}