/* Trip Groups UX Enhancements */

/* ============================================
   FLOATING ACTION BUTTON (FAB)
   ============================================ */

.trip-fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-color, #4A90E2);
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 999;
  font-size: 24px;
}

.trip-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(74, 144, 226, 0.5);
}

.trip-fab:active {
  transform: scale(0.95);
}

.trip-fab.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .trip-fab {
    bottom: 80px; /* Above mobile navigation */
    right: 16px;
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

/* ============================================
   EXPENSE TEMPLATES
   ============================================ */

.expense-templates {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--card-bg, #fff);
  border-radius: 8px;
  border: 1px solid var(--border-color, #e0e0e0);
}

.expense-templates-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary, #666);
  margin-bottom: 12px;
  display: block;
}

.expense-templates-grid {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.expense-templates-grid::-webkit-scrollbar {
  height: 4px;
}

.expense-templates-grid::-webkit-scrollbar-track {
  background: var(--bg-secondary, #f5f5f5);
  border-radius: 2px;
}

.expense-templates-grid::-webkit-scrollbar-thumb {
  background: var(--border-color, #ddd);
  border-radius: 2px;
}

.template-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-secondary, #f5f5f5);
  border: 2px solid transparent;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  font-size: 14px;
  color: var(--text-primary, #333);
}

.template-chip:hover {
  background: var(--bg-hover, #e8e8e8);
  transform: translateY(-1px);
}

.template-chip.selected {
  background: var(--primary-light, #E3F2FD);
  border-color: var(--primary-color, #4A90E2);
  color: var(--primary-color, #4A90E2);
  font-weight: 600;
}

.template-chip-icon {
  font-size: 18px;
  line-height: 1;
}

.template-chip-name {
  font-size: 13px;
}

/* ============================================
   SEARCH BAR
   ============================================ */

.expense-search-container {
  margin-bottom: 16px;
  position: relative;
}

.expense-search-bar {
  width: 100%;
  padding: 12px 40px 12px 16px;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  font-size: 14px;
  background: var(--card-bg, #fff);
  color: var(--text-primary, #333);
  transition: all 0.2s ease;
}

.expense-search-bar:focus {
  outline: none;
  border-color: var(--primary-color, #4A90E2);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.expense-search-bar::placeholder {
  color: var(--text-tertiary, #999);
}

.expense-search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-secondary, #666);
  cursor: pointer;
  padding: 4px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.expense-search-clear:hover {
  background: var(--bg-hover, #f0f0f0);
  color: var(--text-primary, #333);
}

.expense-search-clear.visible {
  display: flex;
}

.expense-search-results-count {
  font-size: 12px;
  color: var(--text-secondary, #666);
  margin-top: 8px;
}

/* ============================================
   FILTER CHIPS
   ============================================ */

.expense-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-secondary, #f5f5f5);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  color: var(--text-secondary, #666);
}

.filter-chip:hover {
  background: var(--bg-hover, #e8e8e8);
  border-color: var(--border-hover, #ccc);
}

.filter-chip.active {
  background: var(--primary-color, #4A90E2);
  border-color: var(--primary-color, #4A90E2);
  color: white;
  font-weight: 500;
}

.filter-chip-icon {
  font-size: 14px;
}

.filter-clear-btn {
  padding: 6px 12px;
  background: var(--danger-light, #ffebee);
  border: 1px solid var(--danger-color, #f44336);
  border-radius: 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--danger-color, #f44336);
  font-weight: 500;
  transition: all 0.2s ease;
}

.filter-clear-btn:hover {
  background: var(--danger-color, #f44336);
  color: white;
}

/* ============================================
   QUICK ACTIONS
   ============================================ */

.quick-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.quick-action-btn {
  flex: 1;
  min-width: 140px;
  padding: 12px 20px;
  background: var(--primary-color, #4A90E2);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.quick-action-btn:hover {
  background: var(--primary-dark, #357ABD);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(74, 144, 226, 0.3);
}

.quick-action-btn:active {
  transform: translateY(0);
}

.quick-action-btn:disabled {
  background: var(--bg-disabled, #ccc);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.quick-action-btn.secondary {
  background: var(--bg-secondary, #f5f5f5);
  color: var(--text-primary, #333);
  border: 1px solid var(--border-color, #e0e0e0);
}

.quick-action-btn.secondary:hover {
  background: var(--bg-hover, #e8e8e8);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.quick-action-btn.success {
  background: var(--success-color, #4CAF50);
}

.quick-action-btn.success:hover {
  background: var(--success-dark, #45a049);
}

@media (max-width: 768px) {
  .quick-actions {
    gap: 8px;
  }
  
  .quick-action-btn {
    min-width: 0;
    flex: 1 1 calc(50% - 4px);
    padding: 10px 16px;
    font-size: 13px;
  }
}

/* ============================================
   KEYBOARD SHORTCUTS HELP
   ============================================ */

.shortcuts-help-btn {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-secondary, #f5f5f5);
  border: 1px solid var(--border-color, #e0e0e0);
  color: var(--text-secondary, #666);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s ease;
  z-index: 998;
}

.shortcuts-help-btn:hover {
  background: var(--bg-hover, #e8e8e8);
  transform: scale(1.1);
}

.shortcuts-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.shortcuts-modal.visible {
  display: flex;
}

.shortcuts-modal-content {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  padding: 24px;
  max-width: 400px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.shortcuts-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.shortcuts-modal-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary, #333);
}

.shortcuts-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-secondary, #666);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.shortcuts-modal-close:hover {
  background: var(--bg-hover, #f0f0f0);
}

.shortcuts-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.shortcut-item:last-child {
  border-bottom: none;
}

.shortcut-action {
  font-size: 14px;
  color: var(--text-primary, #333);
}

.shortcut-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  padding: 4px 8px;
  background: var(--bg-secondary, #f5f5f5);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  font-family: monospace;
  color: var(--text-primary, #333);
}

/* ============================================
   EMPTY STATES
   ============================================ */

.expense-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary, #666);
}

.expense-empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.expense-empty-state-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary, #333);
}

.expense-empty-state-message {
  font-size: 14px;
  color: var(--text-secondary, #666);
}

/* ============================================
   DARK MODE
   ============================================ */

.dark-mode .trip-fab {
  background: var(--primary-color, #4A90E2);
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.dark-mode .expense-templates {
  background: var(--card-bg-dark, #2a2a2a);
  border-color: var(--border-color-dark, #444);
}

.dark-mode .template-chip {
  background: var(--bg-secondary-dark, #333);
  color: var(--text-primary-dark, #e0e0e0);
}

.dark-mode .template-chip:hover {
  background: var(--bg-hover-dark, #3a3a3a);
}

.dark-mode .template-chip.selected {
  background: rgba(74, 144, 226, 0.2);
  border-color: var(--primary-color, #4A90E2);
  color: var(--primary-color, #4A90E2);
}

.dark-mode .expense-search-bar {
  background: var(--card-bg-dark, #2a2a2a);
  border-color: var(--border-color-dark, #444);
  color: var(--text-primary-dark, #e0e0e0);
}

.dark-mode .filter-chip {
  background: var(--bg-secondary-dark, #333);
  border-color: var(--border-color-dark, #444);
  color: var(--text-secondary-dark, #aaa);
}

.dark-mode .filter-chip:hover {
  background: var(--bg-hover-dark, #3a3a3a);
}

.dark-mode .shortcuts-modal-content {
  background: var(--card-bg-dark, #2a2a2a);
}

.dark-mode .shortcut-key {
  background: var(--bg-secondary-dark, #333);
  border-color: var(--border-color-dark, #444);
  color: var(--text-primary-dark, #e0e0e0);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.trip-fab {
  animation: fadeInUp 0.3s ease;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.trip-fab.pulse {
  animation: pulse 2s infinite;
}

/* ============================================
   MOBILE HEADER FIX - Ensure hamburger is clickable
   ============================================ */

@media (max-width: 768px) {
  .mobile-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 99999 !important;
    background: white !important;
    pointer-events: auto !important;
  }
  
  .mobile-header-actions {
    z-index: 100000 !important;
    position: relative !important;
    pointer-events: auto !important;
  }
  
  .sidebar-toggle {
    z-index: 100001 !important;
    position: relative !important;
    pointer-events: auto !important;
    cursor: pointer !important;
  }
  
  /* Ensure page-header doesn't overlap */
  .page-header {
    position: relative !important;
    z-index: 1 !important;
    margin-top: 0 !important;
  }
  
  /* Ensure trip-summary doesn't overlap */
  .trip-summary {
    position: relative !important;
    z-index: 1 !important;
  }
  
  /* Ensure all page content stays below header */
  .main-content > * {
    position: relative !important;
    z-index: 1 !important;
  }
  
  /* But keep mobile header above everything */
  .main-content > .mobile-header {
    z-index: 99999 !important;
  }
}