/* ── Activity-specific styles ────────────────────────────── */

.activity-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.875rem;
  border: 1px solid rgba(0,0,0,0.06);
  margin-bottom: 0.5rem;
  transition: background 0.15s, box-shadow 0.15s;
  background: white;
}
.activity-card:hover {
  background: #f8faff;
  box-shadow: 0 2px 8px rgba(0,83,226,0.08);
}
.activity-icon {
  font-size: 1.6rem;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f6f8;
  border-radius: 50%;
  flex-shrink: 0;
}
.activity-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--gray-160);
}
.activity-details {
  font-size: 0.75rem;
  color: var(--gray-100);
  font-weight: 500;
  margin-top: 0.15rem;
}
.activity-time {
  font-size: 0.68rem;
  color: var(--gray-100);
  margin-top: 0.1rem;
}

/* Dark mode */
#root.dark .activity-card   { background: #1c2130; border-color: #30363d; }
#root.dark .activity-card:hover { background: #21262d; }
#root.dark .activity-icon   { background: #161b22; }
#root.dark .activity-name   { color: var(--text); }
#root.dark .activity-details { color: var(--text-sub); }
#root.dark .activity-time   { color: var(--text-sub); }

/* Mobile */
@media (max-width: 480px) {
  .activity-card { padding: 0.6rem 0.75rem; gap: 0.5rem; }
  .activity-icon { width: 36px; height: 36px; font-size: 1.3rem; }
  .activity-name { font-size: 0.82rem; }
}