/* MD TEC Members 2.0: vitrine e materiais (área do aluno) */
.mdtec-vitrine,.mdtec-materiais,.mdtec-viewer{
  --mdtec-accent:#1d70bc;
  --mdtec-bg:#0f0f12;
  --mdtec-surface:#18181d;
  --mdtec-surface-2:#222229;
  --mdtec-line:rgba(255,255,255,.09);
  --mdtec-text:#f4f4f6;
  --mdtec-muted:#a6a6b0;
  --mdtec-radius:12px;
  --mdtec-gap:14px;
  --mdtec-pad:clamp(16px,4vw,48px);
  color:var(--mdtec-text);
  font-family:inherit;
  -webkit-font-smoothing:antialiased;
}
.mdtec-vitrine *,.mdtec-materiais *,.mdtec-viewer *{box-sizing:border-box}
.mdtec-vitrine-page{background:var(--mdtec-bg,#0f0f12);min-height:100vh}
.mdtec-vitrine{padding-bottom:48px;overflow-x:clip}
.mdtec-vitrine h1,.mdtec-vitrine h2,.mdtec-vitrine h3,.mdtec-materiais h2,.mdtec-materiais h3{color:var(--mdtec-text);margin:0;font-family:inherit}
.mdtec-vitrine img{max-width:100%;height:auto}

/* Barra do professor */
.mdtec-adminbar{margin:0 var(--mdtec-pad);padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.18);font-size:13px;color:var(--mdtec-muted)}
.mdtec-adminbar strong{color:var(--mdtec-text)}
.mdtec-adminbar a{color:var(--mdtec-accent);text-decoration:underline}

/* Botões */
.mdtec-btn-front{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;border:0;background:var(--mdtec-accent);color:var(--ma-on-accent,#fff) !important;font-weight:700;font-size:15px;line-height:1;text-decoration:none !important;cursor:pointer;transition:filter .15s ease,transform .15s ease;white-space:nowrap}
.mdtec-btn-front:hover{filter:brightness(1.08)}
.mdtec-btn-front:active{transform:scale(.98)}
.mdtec-btn-front:focus-visible{outline:3px solid #fff;outline-offset:2px}
.mdtec-btn-front--lg{min-height:52px;padding:0 28px;font-size:16px;text-transform:uppercase;letter-spacing:.02em}
.mdtec-btn-front--ghost{background:transparent;border:1px solid var(--mdtec-line);color:var(--mdtec-text) !important}

/* Banner */
.mdtec-hero{position:relative;display:flex;align-items:flex-end;min-height:clamp(380px,48vw,640px);padding:var(--mdtec-pad);padding-bottom:clamp(28px,5vw,72px);isolation:isolate;overflow:hidden}
.mdtec-hero__bg{position:absolute;inset:0;z-index:-2;display:block}
.mdtec-hero__bg img,.mdtec-hero__img{width:100%;height:100%;object-fit:cover;object-position:center right}
.mdtec-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(15,15,18,calc(var(--mdtec-overlay,.55) + .3)) 0%,rgba(15,15,18,var(--mdtec-overlay,.55)) 40%,rgba(15,15,18,0) 75%),linear-gradient(0deg,var(--mdtec-bg,#0f0f12) 0%,rgba(15,15,18,0) 35%)}
.mdtec-hero__content{max-width:620px}
.mdtec-hero__title{font-size:clamp(28px,4.6vw,56px) !important;line-height:1.05 !important;font-weight:800 !important;letter-spacing:-.01em;text-transform:uppercase}
.mdtec-hero__sub{margin:10px 0 22px;font-size:clamp(15px,1.5vw,19px);font-weight:600;color:#e7e7ea}
/* banner no computador e tablet: proporção do arquivo (2400x700), sem cortar a arte */
@media (min-width:768px){
  .mdtec-hero{min-height:0;aspect-ratio:24/7;align-items:center;padding-bottom:var(--mdtec-pad)}
  .mdtec-hero__bg img,.mdtec-hero__img{object-position:center}
}
@media (max-width:767px){
  .mdtec-hero{min-height:min(78vh,620px);align-items:flex-end;text-align:center;justify-content:center}
  .mdtec-hero__bg img{object-position:center top}
  .mdtec-hero::before{background:linear-gradient(0deg,var(--mdtec-bg,#0f0f12) 0%,rgba(15,15,18,var(--mdtec-overlay,.55)) 45%,rgba(15,15,18,.1) 100%)}
  .mdtec-hero__content{margin:0 auto}
}

/* Fileiras */
.mdtec-row{margin-top:clamp(22px,3.2vw,40px)}
.mdtec-row__head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:0 var(--mdtec-pad);margin-bottom:12px}
.mdtec-row__head h2{font-size:clamp(18px,1.9vw,24px) !important;font-weight:800 !important;line-height:1.2 !important;text-transform:uppercase;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.mdtec-row__head p{margin:2px 0 0;color:var(--mdtec-muted);font-size:14px}
.mdtec-row__icon img{width:44px;height:44px;object-fit:contain;display:block}
.mdtec-row__count{margin-left:auto;font-size:12px;font-weight:600;color:var(--mdtec-muted);background:rgba(255,255,255,.06);padding:5px 10px;border-radius:999px}
.mdtec-row__all{margin-left:auto;color:var(--mdtec-accent) !important;font-weight:700;font-size:14px;text-decoration:none !important}
.mdtec-pill{display:inline-block;font-size:11px;font-weight:700;text-transform:none;background:var(--mdtec-accent);color:var(--ma-on-accent,#fff);padding:3px 8px;border-radius:999px;vertical-align:middle}
.mdtec-row__viewport{position:relative}

.mdtec-track{--cols:2.25;display:grid;grid-auto-flow:column;gap:var(--mdtec-gap);grid-auto-columns:calc((100% - var(--mdtec-pad) - (var(--cols) - 1) * var(--mdtec-gap)) / var(--cols));overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scroll-padding:0 var(--mdtec-pad);padding:6px var(--mdtec-pad) 14px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.mdtec-track::-webkit-scrollbar{display:none}
.mdtec-track:focus-visible{outline:2px solid var(--mdtec-accent);outline-offset:-2px}
.mdtec-track--horizontal{--cols:1.35}
.mdtec-track--chips{--cols:1.25}
@media (min-width:600px){.mdtec-track{--cols:3.3}.mdtec-track--horizontal{--cols:2.2}.mdtec-track--chips{--cols:2.3}}
@media (min-width:1024px){.mdtec-track{--cols:5}.mdtec-track--horizontal{--cols:3.4}.mdtec-track--chips{--cols:3.6}}
@media (min-width:1600px){.mdtec-track{--cols:6}.mdtec-track--horizontal{--cols:4.2}.mdtec-track--chips{--cols:4.4}}

/* Cards */
.mdtec-card{position:relative;display:block;scroll-snap-align:start;border-radius:var(--mdtec-radius);overflow:hidden;background:var(--mdtec-surface);color:inherit !important;text-decoration:none !important;outline:none;transition:transform .2s ease,box-shadow .2s ease}
.mdtec-card__media{position:relative;aspect-ratio:1/2;background:var(--mdtec-surface-2)}
.mdtec-card--h .mdtec-card__media{aspect-ratio:16/9}
.mdtec-card__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:filter .25s ease}
.mdtec-card__placeholder{position:absolute;inset:0;display:grid;place-items:center;padding:16px;text-align:center;font-weight:800;text-transform:uppercase}
.mdtec-card:focus-visible{box-shadow:0 0 0 3px var(--mdtec-accent)}
@media (hover:hover){
  .mdtec-card.is-owned:hover,.mdtec-card.is-locked:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 14px 30px rgba(0,0,0,.45)}
  .mdtec-card.is-gray:hover img{filter:grayscale(.2) brightness(.9)}
}
.mdtec-card.is-gray img{filter:grayscale(1) brightness(.72)}
.mdtec-card.is-soon,.mdtec-card.is-pending{cursor:default}
.mdtec-card__lock{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(0,0,0,.72);color:#fff;backdrop-filter:blur(4px)}
.mdtec-card__lock svg{width:17px;height:17px}
.mdtec-card__badge{position:absolute;left:10px;top:10px;padding:5px 10px;border-radius:999px;background:rgba(0,0,0,.78);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em}
.mdtec-card__caption{padding:10px 12px 14px;display:flex;flex-direction:column;gap:2px}
.mdtec-card__caption strong{font-size:14px;line-height:1.3}
.mdtec-card__caption span{font-size:12px;color:var(--mdtec-muted)}
.mdtec-progress{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.18)}
.mdtec-card--h .mdtec-progress{position:relative}
.mdtec-progress span{display:block;height:100%;background:var(--mdtec-accent);border-radius:0 2px 2px 0;color:var(--ma-on-accent,#fff)}

/* Setas (só em telas com mouse) */
.mdtec-arrow{position:absolute;top:6px;bottom:14px;z-index:2;width:calc(var(--mdtec-pad) + 8px);min-width:44px;border:0;display:none;align-items:center;justify-content:center;color:#fff;cursor:pointer;opacity:0;transition:opacity .2s ease;background:transparent}
.mdtec-arrow--prev{left:0;background:linear-gradient(90deg,rgba(15,15,18,.9),rgba(15,15,18,0))}
.mdtec-arrow--next{right:0;background:linear-gradient(270deg,rgba(15,15,18,.9),rgba(15,15,18,0))}
.mdtec-arrow svg{width:34px;height:34px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.6))}
@media (hover:hover) and (min-width:768px){
  .mdtec-arrow{display:flex}
  .mdtec-arrow[hidden]{display:none}
  .mdtec-row__viewport:hover .mdtec-arrow,.mdtec-arrow:focus-visible{opacity:1}
}

/* Materiais na vitrine */
.mdtec-matchip{display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--mdtec-radius);background:var(--mdtec-surface);border:1px solid var(--mdtec-line);color:inherit !important;text-decoration:none !important;scroll-snap-align:start;min-height:76px}
.mdtec-matchip__text{display:flex;flex-direction:column;min-width:0}
.mdtec-matchip__text strong{font-size:14px;line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mdtec-matchip__text small{color:var(--mdtec-muted);font-size:12px;margin-top:2px}
.mdtec-matchip .mdtec-mat__new{margin-left:auto}

/* Janela de curso bloqueado */
.mdtec-lock-modal{width:min(440px,calc(100vw - 32px));padding:0;border:0;border-radius:16px;background:var(--mdtec-surface,#18181d);color:var(--mdtec-text,#f4f4f6);box-shadow:0 30px 80px rgba(0,0,0,.6);overflow:hidden}
.mdtec-lock-modal::backdrop{background:rgba(0,0,0,.7);backdrop-filter:blur(3px)}
.mdtec-lock-modal__img{height:180px;background-size:cover;background-position:center 20%;filter:grayscale(.6) brightness(.8)}
.mdtec-lock-modal__body{padding:20px 22px 24px}
.mdtec-lock-modal__badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;text-transform:uppercase;color:var(--mdtec-muted)}
.mdtec-lock-modal h3{margin:8px 0 4px !important;font-size:20px !important;line-height:1.25 !important;color:var(--mdtec-text) !important}
.mdtec-lock-modal__course{font-weight:700;color:var(--mdtec-accent);margin:0 0 8px}
.mdtec-lock-modal p{color:#cfcfd6;font-size:15px;line-height:1.5}
.mdtec-lock-modal__cta{width:100%;margin-top:10px}
.mdtec-lock-modal__close{position:absolute;top:10px;right:10px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(0,0,0,.55);color:#fff;font-size:24px;line-height:1;cursor:pointer;z-index:1}

/* Página Meus materiais */
.mdtec-materiais{max-width:980px;margin:0 auto;padding:clamp(20px,4vw,48px) var(--mdtec-pad)}
.mdtec-materiais__head h2{font-size:clamp(24px,3vw,32px) !important;font-weight:800 !important}
.mdtec-materiais__head p{color:var(--mdtec-muted);margin:6px 0 18px}
.mdtec-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:14px;scrollbar-width:none}
.mdtec-chips button{flex:0 0 auto;min-height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--mdtec-line);background:transparent;color:var(--mdtec-text);font-weight:600;font-size:14px;cursor:pointer}
.mdtec-chips button.is-active{background:var(--mdtec-text);color:#111;border-color:transparent}
.mdtec-mat-list{display:flex;flex-direction:column;gap:12px}
.mdtec-mat{display:grid;grid-template-columns:48px 1fr auto;gap:14px;align-items:center;padding:16px;border-radius:14px;background:var(--mdtec-surface);border:1px solid var(--mdtec-line);transition:border-color .3s ease,box-shadow .3s ease}
.mdtec-mat[hidden]{display:none}
.mdtec-mat.is-highlight{border-color:var(--mdtec-accent);box-shadow:0 0 0 3px rgba(255,90,31,.25)}
.mdtec-mat__icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.06);color:var(--mdtec-accent);flex:0 0 auto}
.mdtec-mat__icon--pdf{color:#ff6b6b}.mdtec-mat__icon--video{color:#7aa2ff}.mdtec-mat__icon--image{color:#4fd1a5}.mdtec-mat__icon--doc{color:#6ea8ff}.mdtec-mat__icon--sheet{color:#46c97a}.mdtec-mat__icon--link{color:#f5c451}.mdtec-mat__icon--audio{color:#c792ff}
.mdtec-mat__meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:12px;color:var(--mdtec-muted);margin-bottom:2px}
.mdtec-mat__title{font-size:16px !important;line-height:1.35 !important;font-weight:700 !important;margin:0 !important}
.mdtec-mat__desc{margin:4px 0 0;color:#cfcfd6;font-size:14px;line-height:1.5}
.mdtec-mat__new{display:inline-block;vertical-align:middle;font-size:11px;font-weight:700;background:var(--mdtec-accent);color:var(--ma-on-accent,#fff);padding:3px 8px;border-radius:999px}
.mdtec-mat__actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:640px){
  .mdtec-mat{grid-template-columns:44px 1fr}
  .mdtec-mat__icon{width:44px;height:44px}
  .mdtec-mat__actions{grid-column:1 / -1;justify-content:stretch}
  .mdtec-mat__actions .mdtec-btn-front{flex:1}
}
.mdtec-empty{margin:24px var(--mdtec-pad);padding:36px 20px;border-radius:14px;border:1px dashed var(--mdtec-line);text-align:center;color:var(--mdtec-muted)}
.mdtec-materiais .mdtec-empty{margin:0}
.mdtec-empty svg{width:34px;height:34px;opacity:.6}
.mdtec-empty p{max-width:460px;margin:10px auto 16px}

/* Visualizador */
.mdtec-viewer{width:min(1100px,100vw);height:min(92vh,900px);max-width:100vw;max-height:100dvh;padding:0;border:0;border-radius:14px;background:#0b0b0e;overflow:hidden;display:none}
.mdtec-viewer[open]{display:flex;flex-direction:column}
.mdtec-viewer::backdrop{background:rgba(0,0,0,.8)}
.mdtec-viewer__bar{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 18px;border-bottom:1px solid var(--mdtec-line)}
.mdtec-viewer__title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--mdtec-text)}
.mdtec-viewer__dl{color:var(--mdtec-accent) !important;font-weight:700;text-decoration:none !important}
.mdtec-viewer__dl[hidden]{display:none}
.mdtec-viewer__close{width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.08);color:#fff;font-size:24px;line-height:1;cursor:pointer}
.mdtec-viewer__stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:#000}
.mdtec-viewer__stage iframe{width:100%;height:100%;border:0;background:#fff}
.mdtec-viewer__stage img,.mdtec-viewer__stage video{max-width:100%;max-height:100%;object-fit:contain}
.mdtec-viewer__stage audio{width:min(520px,90%)}
.mdtec-embed{width:100%;max-width:100%;aspect-ratio:16/9;max-height:100%}
.mdtec-embed iframe{background:#000}
@media (max-width:767px){.mdtec-viewer{width:100vw;height:100dvh;border-radius:0}}

@media (prefers-reduced-motion:reduce){
  .mdtec-card,.mdtec-card__media img,.mdtec-btn-front{transition:none}
  .mdtec-track{scroll-behavior:auto}
}
.mdtec-card__badge--accent{background:var(--mdtec-accent);color:var(--ma-on-accent,#fff)}
/* marca d'água em imagem e vídeo */
.mdtec-viewer__stage{position:relative;overflow:hidden}
.mdtec-mark{position:absolute;inset:-20%;display:flex;flex-direction:column;justify-content:space-around;pointer-events:none;user-select:none;transform:rotate(-24deg);z-index:3}
.mdtec-mark span{white-space:nowrap;font:700 clamp(12px,2.2vw,22px)/1 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:rgba(255,255,255,.16);text-shadow:0 0 2px rgba(0,0,0,.25);text-align:center}
.mdtec-viewer__stage.is-nodl img,.mdtec-viewer__stage.is-nodl video{-webkit-user-drag:none;-webkit-touch-callout:none}
.mdtec-viewer__stage[data-mode=video] .mdtec-mark{bottom:60px}
/* celular sem imagem própria para celular: banner inteiro no topo e o texto embaixo */
@media (max-width:767px){
  .mdtec-hero--nomobile{display:block;min-height:0;padding:0;text-align:center}
  .mdtec-hero--nomobile .mdtec-hero__bg{position:relative;inset:auto;aspect-ratio:24/7;z-index:0}
  .mdtec-hero--nomobile .mdtec-hero__bg img{object-position:center}
  .mdtec-hero--nomobile::before{display:none}
  .mdtec-hero--nomobile .mdtec-hero__content{padding:18px var(--mdtec-pad) 4px}
  .mdtec-hero--nomobile .mdtec-hero__content:empty{display:none}
}