/* ── Back to Top ── */
#backToTop{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:var(--teal);color:white;border:none;border-radius:10px;font-size:1.1rem;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:999;opacity:0;transform:translateY(10px);transition:opacity var(--ease),transform var(--ease),background var(--ease);box-shadow:0 4px 18px rgba(0,168,150,.35);}
#backToTop.visible{opacity:1;transform:translateY(0);}
#backToTop:hover{background:var(--navy);}

/* ── STATS STRIP ── */
.fac-stats {
  background: var(--navy);
  padding: 0;
}
.fac-stat-cell {
  padding: 24px 18px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.09);
}
.fac-stat-cell:last-child { border-right: none; }
.fac-stat-num {
  font-family: var(--font-head);
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--gold-light);
  display: block;
  line-height: 1;
}
.fac-stat-lbl {
  font-family: var(--font-body);
  font-size: .7rem;
  color: rgba(255,255,255,.45);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-top: 5px;
}

/* ── SEARCH & FILTER BAR ── */
.filter-bar {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
}
.filter-bar input[type="text"] {
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: 11px 16px 11px 42px;
  width: 100%;
  color: var(--text);
  transition: border-color var(--ease), box-shadow var(--ease);
  background: var(--off-white);
}
.filter-bar input[type="text"]:focus {
  outline: none;
  border-color: var(--teal);
  background: white;
  box-shadow: 0 0 0 3px rgba(0,168,150,.12);
}
.search-wrap { position: relative; }
.search-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-mid);
  font-size: 1rem;
  pointer-events: none;
}
.filter-select {
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  padding: 11px 16px;
  width: 100%;
  color: var(--text);
  background: var(--off-white);
  transition: border-color var(--ease);
  cursor: pointer;
  appearance: auto;
}
.filter-select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,168,150,.12);
}

/* View toggle */
.view-toggle { display: flex; gap: 6px; }
.vt-btn {
  width: 38px; height: 38px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--off-white);
  color: var(--gray-mid);
  cursor: pointer;
  transition: all var(--ease);
  font-size: .95rem;
}
.vt-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: white;
}

/* Results info */
.results-info {
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-mid);
}
.results-info span { color: var(--teal); font-weight: 700; }

/* ── DEPARTMENT SECTION ── */
.dept-section { margin-bottom: 48px; }
.dept-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 22px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--r-md);
  margin-bottom: 20px;
  cursor: pointer;
  transition: opacity var(--ease);
}
.dept-header:hover { opacity: .92; }
.dept-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-light);
  font-size: 1.2rem;
}
.dept-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: white;
  flex: 1;
}
.dept-count {
  font-family: var(--font-body);
  font-size: .76rem;
  font-weight: 700;
  color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.1);
  padding: 4px 12px;
  border-radius: 100px;
}
.dept-toggle-icon {
  color: rgba(255,255,255,.5);
  font-size: 1rem;
  transition: transform .3s;
}
.dept-section.collapsed .dept-toggle-icon { transform: rotate(-90deg); }
.dept-members { transition: all .3s; }

/* ── GRID VIEW — Faculty Card ── */
.fac-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px 20px;
  text-align: center;
  height: 100%;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  position: relative;
  overflow: hidden;
}
.fac-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  opacity: 0;
  transition: opacity var(--ease);
}
.fac-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal);
}
.fac-card:hover::before { opacity: 1; }

.fac-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
  border: 3px solid white;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.fac-name {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 5px;
  line-height: 1.3;
}
.fac-designation {
  font-family: var(--font-body);
  font-size: .76rem;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.fac-dept {
  font-family: var(--font-body);
  font-size: .74rem;
  font-weight: 600;
  color: white;
  background: var(--navy);
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 12px;
}
.fac-pmdc {
  font-family: var(--font-body);
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.fac-pmdc i { color: var(--teal); font-size: .8rem; }

/* ── LIST VIEW — Faculty Row ── */
.fac-list-row {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 20px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.fac-list-row:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.fac-list-avatar {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: white;
}
.fac-list-name {
  font-family: var(--font-head);
  font-size: .88rem;
  font-weight: 700;
  color: var(--navy);
  flex: 1;
  min-width: 0;
}
.fac-list-desig {
  font-family: var(--font-body);
  font-size: .74rem;
  color: var(--teal);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 2px;
}
.fac-list-dept {
  font-family: var(--font-body);
  font-size: .74rem;
  font-weight: 700;
  color: white;
  background: var(--navy);
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
}
.fac-list-pmdc {
  font-family: var(--font-body);
  font-size: .72rem;
  font-weight: 600;
  color: var(--gray-mid);
  white-space: nowrap;
  display: flex; align-items: center; gap: 4px;
}
.fac-list-pmdc i { color: var(--teal); }

/* ── SKELETON LOADER ── */
.skeleton-wrap { display: none; }
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}
@keyframes shimmer { to { background-position: -200% 0; } }
.sk-card { height: 200px; border-radius: var(--r-md); margin-bottom: 20px; }

/* ── LOADING / EMPTY STATES ── */
#loadingState {
  text-align: center;
  padding: 60px 0;
}
.spinner-pmc {
  width: 48px; height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
#emptyState { display: none; text-align: center; padding: 60px 0; }
.empty-icon { font-size: 3rem; color: var(--gray-light); margin-bottom: 16px; }

/* ── DESIGNATION BADGE COLORS ── */
.des-professor     { background: linear-gradient(135deg, #0A1628, #1a3a6b); }
.des-associate     { background: linear-gradient(135deg, #00695C, #00897B); }
.des-assistant     { background: linear-gradient(135deg, #1565C0, #1976D2); }
.des-senior-lec    { background: linear-gradient(135deg, #6A1B9A, #7B1FA2); }
.des-lecturer      { background: linear-gradient(135deg, #E65100, #F57C00); }
.des-registrar     { background: linear-gradient(135deg, #37474F, #546E7A); }
.des-other         { background: linear-gradient(135deg, #2E7D32, #388E3C); }

/* ── DEPT ICONS MAP ── */

/* ── RESPONSIVE ── */
@media (max-width: 767.98px) {
  .fac-list-dept, .fac-list-pmdc { display: none; }
  .filter-bar { padding: 16px; }
}
@media (max-width: 575.98px) {
  .fac-stat-cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,.09); }
}