.notification-bell {
  position: relative;
}

.bell-button {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.bell-button:hover {
  background: rgba(0, 0, 0, 0.05);
}

.bell-icon {
  font-size: 1.25rem;
}

.bell-button.has-unread .bell-icon {
  animation: ring 0.5s ease-in-out;
}

@keyframes ring {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(15deg); }
  50% { transform: rotate(-15deg); }
  75% { transform: rotate(10deg); }
}

.unread-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: #ef4444;
  color: white;
  font-size: 0.65rem;
  font-weight: 600;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.notification-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-height: 420px;
  background: white;
  border-radius: 0.75rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e2e8f0;
}

.dropdown-header h3 {
  margin: 0;
  font-size: 0.95rem;
  color: #1e293b;
}

.mark-all-read {
  background: none;
  border: none;
  color: #6366f1;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.mark-all-read:hover {
  background: #f0f0ff;
}

.mark-all-read:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.notification-list {
  flex: 1;
  overflow-y: auto;
}

.empty-notifications {
  padding: 2rem;
  text-align: center;
  color: #64748b;
}

.empty-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

.empty-notifications p {
  margin: 0;
}

.notification-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
  border-bottom: 1px solid #f1f5f9;
}

.notification-item:hover {
  background: #f8fafc;
}

.notification-item.unread {
  background: #faf5ff;
}

.notification-item.unread:hover {
  background: #f5f3ff;
}

.notification-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1f5f9;
  border-radius: 50%;
}

.notification-item.unread .notification-icon {
  background: #e9d5ff;
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  margin: 0 0 0.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #1e293b;
}

.notification-body {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.notification-time {
  font-size: 0.7rem;
  color: #94a3b8;
}

.unread-dot {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: #6366f1;
  border-radius: 50%;
}

.dropdown-footer {
  padding: 0.75rem 1rem;
  text-align: center;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
}

.dropdown-footer a {
  color: #6366f1;
  font-size: 0.85rem;
  text-decoration: none;
}

.dropdown-footer a:hover {
  text-decoration: underline;
}

/* Mobile responsive */
@media (max-width: 640px) {
  .notification-dropdown {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 60px);
    border-radius: 0;
  }
}

/* Ultra-narrow screens (Galaxy Fold outer, small phones) */
@media (max-width: 360px) {
  .bell-button {
    min-width: 36px;
    min-height: 36px;
    width: 36px;
    height: 36px;
    padding: 0.4rem;
  }

  .bell-icon {
    font-size: 1.1rem;
  }

  .unread-badge {
    min-width: 14px;
    height: 14px;
    font-size: 0.6rem;
    top: -2px;
    right: -2px;
  }

  .notification-dropdown {
    top: 52px;
    max-height: calc(100vh - 52px);
  }
}

/* Touch-friendly styles */
@media (hover: none), (pointer: coarse) {
  .bell-button {
    min-width: 44px;
    min-height: 44px;
    padding: 0.625rem;
  }

  .bell-icon {
    font-size: 1.5rem;
  }

  .mark-all-read {
    min-height: 36px;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
  }

  .notification-item {
    min-height: 60px;
    padding: 1rem;
  }

  .dropdown-footer a {
    display: inline-block;
    min-height: 44px;
    padding: 0.75rem 1rem;
    line-height: 1.5;
  }
}

/* Active states for touch devices */
@media (hover: none) {
  .bell-button:active {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(0.95);
  }

  .mark-all-read:active:not(:disabled) {
    background: #ddd6fe;
    transform: scale(0.98);
  }

  .notification-item:active {
    background: #f1f5f9;
    transform: scale(0.99);
  }

  .notification-item.unread:active {
    background: #ede9fe;
  }

  .dropdown-footer a:active {
    color: #4338ca;
    background: #f1f5f9;
  }

  /* Disable iOS tap highlight */
  .bell-button,
  .mark-all-read,
  .notification-item,
  .dropdown-footer a {
    -webkit-tap-highlight-color: transparent;
  }
}

/* Hover-only styles for desktop */
@media (hover: hover) {
  .bell-button:hover {
    background: rgba(0, 0, 0, 0.05);
  }

  .mark-all-read:hover {
    background: #f0f0ff;
  }

  .notification-item:hover {
    background: #f8fafc;
  }

  .notification-item.unread:hover {
    background: #f5f3ff;
  }

  .dropdown-footer a:hover {
    text-decoration: underline;
  }
}

/* Focus states for accessibility */
.bell-button:focus-visible,
.mark-all-read:focus-visible,
.notification-item:focus-visible,
.dropdown-footer a:focus-visible {
  outline: 3px solid #6366f1;
  outline-offset: 2px;
}