.mat-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
  font-size: 12px;
  color: var(--text-muted);
}
.mat-breadcrumb button {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}
.mat-breadcrumb button:disabled {
  color: var(--text-muted);
  cursor: default;
}
.mat-search-card { margin-bottom: 18px; }
.mat-search-card input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
}
.mat-results { margin-top: 16px; }
.mat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.mat-stack { display: flex; flex-direction: column; gap: 14px; }
.mat-result-card,
.mat-card-btn,
.mat-elective button {
  text-align: inherit;
  cursor: pointer;
  font: inherit;
  color: var(--text-primary);
}
.mat-result-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 14px;
}
.mat-result-card span,
.mat-card-btn.subject {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}
.mat-result-card b,
.mat-result-card small { display: block; }
.mat-result-card b { margin-top: 6px; font-weight: 900; }
.mat-result-card small,
.mat-card-btn p,
.mat-elective p { color: var(--text-muted); font-size: 12px; margin-top: 4px; line-height: 1.5; }
.mat-faculty { padding: 0; overflow: hidden; }
.mat-faculty-head {
  width: 100%;
  padding: 20px;
  border: none;
  background: var(--bg-card);
  color: var(--text-primary);
  font: inherit;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: inherit;
}
.mat-faculty-head h3 { margin: 10px 0 4px; font-size: 18px; font-weight: 900; }
.mat-faculty-head small { color: var(--text-muted); font-size: 13px; }
.mat-faculty-head b { font-size: 22px; }
.mat-program-grid {
  border-top: 1px solid var(--border);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.mat-card-btn {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-card);
  padding: 18px;
  min-height: 150px;
}
.mat-card-btn:hover,
.mat-result-card:hover,
.mat-elective button:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}
.mat-card-btn span:first-child { color: var(--accent); font-weight: 900; font-size: 28px; }
.mat-card-btn > b { float: inline-end; color: var(--accent); }
.mat-card-btn h3 { margin: 12px 0 6px; font-size: 17px; font-weight: 900; line-height: 1.35; }
.mat-card-btn.subject { display: block; }
.mat-card-btn.subject h3 { clear: both; }
.mat-elective h3 { margin: 0; font-size: 17px; font-weight: 900; }
.mat-elective > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.mat-elective button {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 10px;
  margin-top: 8px;
}
.mat-download-btn {
  border: 1px solid var(--border);
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}
.mat-download-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(15,23,42,.16); border-color: var(--accent); }
.mat-download-btn.mini { display: inline-flex; align-items: center; min-height: 30px; padding: 6px 10px; background: var(--bg-card); color: var(--text-primary); }
.mat-subject-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.mat-subject-summary span {
  display: block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.mat-subject-summary strong { font-size: 14px; font-weight: 900; }
.mat-overview {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.mat-overview p { margin: 0; color: var(--text-secondary); line-height: 1.7; font-size: 14px; }
.mat-section-jump {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  position: sticky;
  top: 82px;
  z-index: 8;
  background: var(--bg-primary);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.mat-section-jump button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-card);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.mat-section-jump button.is-open {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
  box-shadow: 0 8px 20px rgba(211,47,47,.18);
}
.mat-sections { display: flex; flex-direction: column; gap: 14px; }
.mat-section { padding: 0; overflow: hidden; }
.mat-section-head {
  width: 100%;
  border: none;
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font: inherit;
  text-align: inherit;
}
.mat-section-head:hover { background: var(--accent-subtle); }
.mat-section-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.mat-section-head > span:nth-child(2) { flex: 1; min-width: 0; }
.mat-section-head strong { display: block; font-weight: 900; font-size: 15px; }
.mat-section-head small { display: block; color: var(--text-muted); font-size: 12px; margin-top: 3px; }
.mat-section-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.mat-files { border-top: 1px solid var(--border); }
.mat-empty { padding: 24px; color: var(--text-muted); font-size: 13px; }
.mat-table { width: 100%; overflow-x: auto; }
.mat-table-head,
.mat-table-row {
  display: grid;
  grid-template-columns: 70px 1fr 1.35fr 100px 130px 120px;
  gap: 10px;
  align-items: center;
  min-width: 820px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-subtle);
}
.mat-table-head {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  background: var(--bg-secondary);
}
.mat-table-row { color: var(--text-secondary); font-size: 13px; }
.mat-table-row strong { color: var(--text-primary); }
.mono { font-family: monospace; font-weight: 900; color: var(--text-primary); }
@media (max-width: 760px) {
  .mat-section-jump { position: static; }
  .mat-section-head,
  .mat-section-actions { align-items: flex-start; }
  .mat-section-head { flex-direction: column; }
  .mat-section-actions { justify-content: flex-start; }
}