/* =========================================================
   INSTALL NUDGE
   Floating, recurring "install the app" pill -- see
   js/installPrompt.js and js/student/installNudge.js.
========================================================= */

.install-nudge {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 800;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px 14px 16px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow:
    0 12px 32px rgba(30, 27, 75, 0.18),
    0 2px 8px rgba(30, 27, 75, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.12);
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  pointer-events: none;
}

.install-nudge.install-nudge-show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.install-nudge-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.install-nudge-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.install-nudge-text strong {
  font-size: 14px;
  color: #1e1b4b;
}

.install-nudge-text span {
  font-size: 12.5px;
  color: #6b7280;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.install-nudge-btn {
  flex-shrink: 0;
  border: none;
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  color: #fff;
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px 16px;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.3);
}

.install-nudge-btn:active {
  transform: scale(0.97);
}

.install-nudge-close {
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: #9ca3af;
  font-size: 18px;
  line-height: 1;
  padding: 4px 2px;
}

.install-nudge-close:hover {
  color: #4b5563;
}

@media (min-width: 640px) {
  .install-nudge {
    left: auto;
    right: 24px;
    bottom: 24px;
    width: 340px;
  }
}