/* Modal overlay for collaborations details */
.collab-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(30,40,60,0.55);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.collab-modal-window {
  background: #fff;
  border-radius: 12px;
  max-width: 420px;
  width: 90vw;
  box-shadow: 0 8px 32px rgba(20,30,60,0.18);
  padding: 32px 24px 24px 24px;
  position: relative;
  text-align: left;
  animation: collab-modal-in 0.18s cubic-bezier(.4,1.4,.6,1.0);
}
.collab-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 2rem;
  color: #1f4b99;
  cursor: pointer;
  z-index: 2;
  line-height: 1;
}
.collab-modal-content {
  margin-top: 8px;
  font-size: 0.75em;
  line-height: 1.4;
}
@keyframes collab-modal-in {
  from { transform: scale(0.92) translateY(30px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}