/* Clickable Υλικό label + class/level badges */
.nav-material-link{color:inherit;text-decoration:none;font:inherit;letter-spacing:inherit}
.nav-material-link:hover,.nav-material-link:focus-visible{color:var(--violet,#6554cf);text-decoration:none;outline:none}
.grade-badge{position:absolute;top:12px;left:12px;z-index:3;display:inline-flex;align-items:center;max-width:calc(100% - 24px);padding:6px 9px;border:1px solid rgba(23,35,59,.12);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:0 5px 16px rgba(23,35,59,.10);color:#17233b;font-size:10px;font-weight:800;line-height:1.2;letter-spacing:.055em;text-align:left;text-transform:uppercase;white-space:normal}
@media (max-width:760px){.grade-badge{top:10px;left:10px;font-size:9px;padding:5px 8px}}


/* Διακριτικός σύνδεσμος προς τον προστατευμένο Χώρο Καθηγητή */
.teacher-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  color: #cbd3e2;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}
.teacher-footer-link::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  box-sizing: border-box;
}
.teacher-footer-link:hover,
.teacher-footer-link:focus-visible {
  color: #fff;
  border-color: rgba(189,180,255,.8);
  background: rgba(104,87,217,.18);
  transform: translateY(-1px);
}
@media (max-width: 560px) {
  .teacher-footer-link { padding: 7px 10px; font-size: 10px; }
}