/* Menejer Test — Step 6 Materials UI + protected files */

.materials-page{
  padding:42px 0 72px;
}

.materials-hero{
  position:relative;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:32px;
  padding:32px;
  background:
    radial-gradient(circle at 88% 12%, rgba(139,92,246,.20), transparent 28%),
    linear-gradient(135deg, rgba(47,123,255,.13), rgba(139,92,246,.08)),
    var(--card);
  box-shadow:var(--shadow);
  margin-bottom:18px;
}

.materials-hero h1{
  margin:12px 0 10px;
  font-size:clamp(36px, 5vw, 64px);
  line-height:1;
  letter-spacing:-.07em;
}

.materials-hero p{
  margin:0;
  max-width:820px;
  color:var(--muted);
  font-size:18px;
  line-height:1.7;
}

.materials-filters{
  display:grid;
  grid-template-columns:1fr 260px auto;
  gap:12px;
  align-items:center;
  margin:18px 0 24px;
}

.materials-filters input,
.materials-filters select{
  min-height:54px;
  border-radius:18px;
  background:var(--surface);
}

.materials-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:18px;
}

.material-topic-card{
  position:relative;
  overflow:hidden;
  min-height:300px;
  display:flex;
  flex-direction:column;
  border:1px solid var(--border);
  border-radius:28px;
  background:var(--card);
  box-shadow:var(--shadow2);
  text-decoration:none;
  transition:.22s ease;
}

.material-topic-card:hover{
  transform:translateY(-4px);
  border-color:rgba(47,123,255,.36);
  box-shadow:var(--shadow);
}

.material-topic-cover{
  position:relative;
  height:142px;
  overflow:hidden;
  background:
    radial-gradient(circle at 75% 10%, rgba(139,92,246,.35), transparent 28%),
    linear-gradient(135deg, rgba(47,123,255,.22), rgba(139,92,246,.18));
}

.material-topic-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.material-topic-cover-placeholder{
  height:100%;
  display:grid;
  place-items:center;
  color:#fff;
  font-size:46px;
  font-weight:950;
  background:linear-gradient(135deg,var(--primary),var(--primary2));
}

.material-topic-body{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}

.material-topic-body h2{
  margin:0;
  font-size:21px;
  line-height:1.2;
  letter-spacing:-.04em;
}

.material-topic-body p{
  margin:0;
  color:var(--muted);
  line-height:1.55;
  font-size:14px;
}

.material-badges{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.material-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:950;
  background:rgba(47,123,255,.10);
  color:var(--primary);
  border:1px solid rgba(47,123,255,.16);
}

.material-badge-free{
  color:var(--success);
  background:rgba(34,197,94,.10);
  border-color:rgba(34,197,94,.18);
}

.material-badge-premium{
  color:var(--warning);
  background:rgba(245,158,11,.13);
  border-color:rgba(245,158,11,.22);
}

.material-topic-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
}

.material-lock{
  position:absolute;
  top:14px;
  right:14px;
  width:42px;
  height:42px;
  border-radius:15px;
  display:grid;
  place-items:center;
  color:#fff;
  background:rgba(7,20,39,.72);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.22);
}

/* Material detail */
.material-detail-page{
  padding:36px 0 80px;
}

.material-detail-hero{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:26px;
  align-items:stretch;
  margin-bottom:22px;
}

.material-detail-cover{
  min-height:260px;
  border-radius:30px;
  overflow:hidden;
  border:1px solid var(--border);
  background:linear-gradient(135deg,var(--primary),var(--primary2));
  box-shadow:var(--shadow);
}

.material-detail-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.material-detail-cover .material-topic-cover-placeholder{
  min-height:260px;
}

.material-detail-info{
  border:1px solid var(--border);
  border-radius:30px;
  padding:28px;
  background:
    radial-gradient(circle at 90% 10%, rgba(47,123,255,.14), transparent 26%),
    var(--card);
  box-shadow:var(--shadow);
}

.material-detail-info h1{
  margin:14px 0 12px;
  font-size:clamp(34px, 4.6vw, 60px);
  line-height:1;
  letter-spacing:-.07em;
}

.material-detail-info p{
  margin:0;
  color:var(--muted);
  font-size:17px;
  line-height:1.75;
}

.protected-notice{
  margin-top:18px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 15px;
  border-radius:18px;
  background:rgba(47,123,255,.10);
  border:1px solid rgba(47,123,255,.18);
  color:var(--muted);
  font-size:14px;
  line-height:1.55;
}

.material-content-layout{
  display:grid;
  grid-template-columns:minmax(0, 1fr) 300px;
  gap:20px;
  align-items:start;
}

.material-blocks{
  display:grid;
  gap:16px;
}

.material-block{
  position:relative;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:28px;
  background:var(--card);
  box-shadow:var(--shadow2);
  padding:22px;
}

.material-block::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 92% 0%, rgba(47,123,255,.06), transparent 24%),
    radial-gradient(circle at 0% 100%, rgba(139,92,246,.06), transparent 25%);
}

.material-block > *{
  position:relative;
}

.material-block-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}

.material-block-type{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 11px;
  border-radius:999px;
  color:var(--primary);
  background:rgba(47,123,255,.10);
  border:1px solid rgba(47,123,255,.16);
  font-size:12px;
  font-weight:950;
}

.material-block-text{
  color:var(--text);
  font-size:17px;
  line-height:1.82;
  overflow-wrap:anywhere;
}

.material-block-caption{
  margin-top:14px;
  color:var(--muted);
  font-size:14px;
  line-height:1.65;
  padding:13px 14px;
  border-radius:16px;
  background:var(--surface2);
  border:1px solid var(--border);
}

.material-image{
  width:100%;
  max-height:620px;
  object-fit:contain;
  border-radius:22px;
  background:var(--surface2);
  border:1px solid var(--border);
}

.material-audio{
  width:100%;
  min-height:48px;
}

.material-pdf-wrap{
  border:1px solid var(--border);
  border-radius:22px;
  overflow:hidden;
  background:var(--surface2);
}

.material-pdf{
  display:block;
  width:100%;
  height:650px;
  border:0;
  background:#fff;
}

.file-protected-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px;
  border:1px solid var(--border);
  border-radius:22px;
  background:var(--surface2);
}

.file-protected-card h3{
  margin:0 0 6px;
  font-size:18px;
}

.file-protected-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
}

.material-sidebar{
  position:sticky;
  top:104px;
  border:1px solid var(--border);
  border-radius:28px;
  padding:20px;
  background:var(--card);
  box-shadow:var(--shadow2);
}

.material-sidebar h3{
  margin:0 0 14px;
  font-size:19px;
}

.material-sidebar ol{
  margin:0;
  padding-left:20px;
  color:var(--muted);
}

.material-sidebar li{
  margin:10px 0;
  line-height:1.4;
}

.material-empty{
  min-height:220px;
  display:grid;
  place-items:center;
  text-align:center;
  border:1px dashed var(--border);
  border-radius:26px;
  background:var(--surface2);
  color:var(--muted);
}

@media (max-width:980px){
  .materials-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }

  .materials-filters{
    grid-template-columns:1fr 220px;
  }

  .materials-filters button{
    grid-column:1 / -1;
    width:100%;
  }

  .material-detail-hero{
    grid-template-columns:1fr;
  }

  .material-detail-cover{
    min-height:220px;
  }

  .material-content-layout{
    grid-template-columns:1fr;
  }

  .material-sidebar{
    position:static;
  }
}

@media (max-width:768px){
  .materials-page{
    padding:24px 0 calc(92px + env(safe-area-inset-bottom, 0px));
  }

  .materials-hero{
    padding:22px;
    border-radius:26px;
  }

  .materials-hero h1{
    font-size:36px;
  }

  .materials-hero p{
    font-size:15px;
  }

  .materials-filters{
    grid-template-columns:1fr;
    gap:9px;
    margin:14px 0 18px;
  }

  .materials-filters input,
  .materials-filters select{
    min-height:48px;
    border-radius:16px;
  }

  .materials-grid{
    grid-template-columns:1fr;
    gap:12px;
  }

  .material-topic-card{
    min-height:auto;
    border-radius:23px;
  }

  .material-topic-cover{
    height:120px;
  }

  .material-topic-body{
    padding:15px;
  }

  .material-topic-body h2{
    font-size:18px;
  }

  .material-topic-actions{
    align-items:stretch;
    flex-direction:column;
  }

  .material-topic-actions .button{
    width:100%;
  }

  .material-detail-page{
    padding:22px 0 calc(94px + env(safe-area-inset-bottom, 0px));
  }

  .material-detail-hero{
    gap:12px;
    margin-bottom:12px;
  }

  .material-detail-cover{
    min-height:165px;
    border-radius:24px;
  }

  .material-detail-cover .material-topic-cover-placeholder{
    min-height:165px;
  }

  .material-detail-info{
    padding:20px;
    border-radius:24px;
  }

  .material-detail-info h1{
    font-size:34px;
  }

  .material-detail-info p{
    font-size:15px;
  }

  .material-blocks{
    gap:12px;
  }

  .material-block{
    padding:16px;
    border-radius:22px;
  }

  .material-block-head{
    align-items:flex-start;
  }

  .material-block-text{
    font-size:16px;
    line-height:1.72;
  }

  .material-image{
    border-radius:18px;
    max-height:420px;
  }

  .material-pdf{
    height:520px;
  }

  .file-protected-card{
    flex-direction:column;
    align-items:flex-start;
    padding:15px;
    border-radius:20px;
  }

  .file-protected-card .button{
    width:100%;
  }
}

@media (max-width:390px){
  .materials-hero h1,
  .material-detail-info h1{
    font-size:30px;
  }

  .material-pdf{
    height:460px;
  }
}