/* Overall look and feel */
body {
  background-color: #f5f7fa;
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 10px;
}
.container-fluid {
  max-width: none;
  margin: 0;
  padding: 0 10px;
}
h1, h2, h5 {
  color: #333;
}

/* Top Controls */
#controls {
  margin-bottom: 15px;
}

/* Main layout */
#main-layout {
  display: flex;
  height: calc(100vh - 200px);
  gap: 10px;
  margin: 0;
}

/* Sidebar base styling */
.sidebar {
  width: 300px;
  min-width: 300px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 15px;
  display: flex;
  flex-direction: column;
  transform-origin: left center;
}

/* Remove card styling from assigned guests sidebar */
#assigned-sidebar {
  background: transparent;
  box-shadow: none;
  padding: 0;
}

/* Ensure assigned container has proper styling */
#assigned-sidebar #assigned-container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 15px;
  height: 100%;
}

/* Canvas container */
#canvas-container {
  flex: 1;
  min-width: 0;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 15px;
  display: flex;
  flex-direction: column;
}

/* Panels styling */
#people-container, #assigned-container, #table-plan {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* The table plan area now contains a zoomable/pannable canvas */
#table-plan {
  overflow: hidden;
  height: 100%;
  position: relative;
  flex: 1;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

#table-plan:active {
  cursor: grabbing;
}

/* Prevent text selection during panning */
#table-plan * {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Increase the canvas size to allow for many tables */
#canvas {
  transform-origin: top left;
  position: absolute;
  top: 0;
  left: 0;
  width: 4000px;
  height: 4000px;
}

/* Unassigned people list */
#people-list {
  flex: 1;
  overflow-y: auto;
  margin-top: 10px;
}

/* Add Guest Button styling */
#addGuestBtn {
  margin-bottom: 15px;
}
#people-list .person {
  margin-bottom: 10px;
}

/* Guest controls container */
.guest-controls {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.guest-controls button {
  background: transparent;
  border: none;
  color: #007bff;
  cursor: pointer;
  padding: 0 4px;
  transition: transform 0.2s;
}
.guest-controls button:hover {
  transform: scale(1.2);
}

/* Person element styling with card effect on hover */
.person {
  padding: 10px 14px;
  background: #e7f3ff;
  border: 2px solid #99caff;
  border-radius: 6px;
  cursor: grab;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.person:hover {
  background: #d0e7ff;
  z-index: 1000;
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  border-color: #007bff;
}

.person:active {
  cursor: grabbing;
  transform: scale(1.02);
}

.person.dragging {
  opacity: 0.8;
  transform: rotate(3deg) scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  z-index: 10000;
}

.person-icon {
  margin-right: 8px;
}

/* Dietary indicator */
.dietary-indicator {
  margin-left: 6px;
  font-size: 0.8em;
  opacity: 0.8;
}

/* Seat styling */
.seat {
  width: 40px;
  height: 40px;
  background: #fff;
  border: 2px dashed #ccc;
  border-radius: 50%;
  position: absolute;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8em;
  font-weight: 500;
}

/* Guest styling in seats */
.seat .person {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7em;
  box-shadow: none;
  position: relative;
}

.seat .person:hover {
  transform: none;
  box-shadow: none;
}

.seat .person .guest-name {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.seat .person .guest-controls {
  display: none;
}

.seat .person .person-icon {
  font-size: 1.2em;
  margin: 0;
}

/* Tooltip for seats */
.seat[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.8em;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 10000;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  max-width: 200px;
  word-wrap: break-word;
}

.seat[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  bottom: 120%;
}

.seat:hover {
  border-color: #007bff;
  background: #f8f9fa;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

.seat.over {
  background: #fff3cd;
  border: 2px solid #ffc107;
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.seat.drop-zone {
  background: #e7f3ff;
  border: 3px dashed #007bff;
  animation: pulse 1.5s infinite;
  box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
}

/* Empty seat styling - higher specificity */
.seat:not(.filled):not(.over):not(.drop-zone) {
  background: #f8f9fa !important;
  border: 3px dashed #6c757d !important;
  position: absolute !important;
}

.seat:not(.filled):not(.over):not(.drop-zone)::before {
  content: "+";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5em;
  color: #6c757d;
  font-weight: bold;
  z-index: 1;
  pointer-events: none;
}

.seat:not(.filled):not(.over):hover {
  background: #e7f3ff !important;
  border-color: #007bff !important;
  box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
}

.seat:not(.filled):not(.over):hover::before {
  color: #007bff;
}

/* Ensure filled seats override empty styling */
.seat.filled {
  background: #d4edda !important;
  border: 2px solid #28a745 !important;
  color: #155724;
}

.seat.filled::before {
  display: none !important;
}

.seat.filled:hover {
  background: #c3e6cb !important;
  border-color: #1e7e34 !important;
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

/* Highlighted seat styling for hover from assigned guests list */
.seat.highlighted-seat {
  background: #fff3cd !important;
  border-color: #ffc107 !important;
  border-width: 3px !important;
  transform: scale(1.15) !important;
  box-shadow: 0 6px 16px rgba(255, 193, 7, 0.4) !important;
  z-index: 1000 !important;
  animation: highlightPulse 1.5s ease-in-out infinite alternate;
}

@keyframes highlightPulse {
  0% {
    box-shadow: 0 6px 16px rgba(255, 193, 7, 0.4);
  }
  100% {
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.6);
  }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); background: #d4edda; }
  100% { transform: scale(1); }
}

/* Table card styling */
.table.card {
  position: absolute;
  border: none;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  background: #fff;
}

.table.card .card-header {
  background: #007bff;
  color: #fff;
  border-bottom: none;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  padding: 10px 15px;
}

/* For circle tables, display the table name on its own line above the controls */
.table.card.circle .card-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.table.card.circle .table-name {
  font-size: 1.1em;
  font-weight: 500;
  margin-bottom: 5px;
}

.table.card .header-controls {
  display: flex;
  gap: 4px;
}

/* Print-friendly styling */
@media print {
  body {
    background: #fff;
  }
  .no-print {
    display: none;
  }
  .guest-controls,
  .person button {
    display: none !important;
  }
  
  /* Hide edit buttons only in print view */
  .table-assignment-content .edit-guest-btn,
  .table-assignment-content .remove-guest-btn,
  .table.card .header-controls,
  .table.card .btn {
    display: none !important;
  }
}

/* Guest/Seat count display in the unassigned panel */
#guestSeatCounts {
  font-size: 0.9em;
  margin-bottom: 10px;
}

#guestSeatCounts .seat-count.over {
  color: red;
}

/* Assigned guests section styling */
#assigned-container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  padding: 15px;
  height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
}

#assigned-guests-list {
  flex: 1;
  overflow-y: auto;
  margin-top: 10px;
  padding-right: 5px;
}

/* Custom scrollbar styling */
#people-list::-webkit-scrollbar,
#assigned-guests-list::-webkit-scrollbar {
  width: 6px;
}

#people-list::-webkit-scrollbar-track,
#assigned-guests-list::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

#people-list::-webkit-scrollbar-thumb,
#assigned-guests-list::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

#people-list::-webkit-scrollbar-thumb:hover,
#assigned-guests-list::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.table-assignment-header {
  background: #f8f9fa;
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e0e0e0;
  transition: background-color 0.2s;
}

.table-assignment-header:hover {
  background: #e9ecef;
}

.table-assignment {
  margin-bottom: 15px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  overflow: hidden;
  cursor: grab;
  transition: transform 0.2s, box-shadow 0.2s;
}

.table-assignment:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.table-assignment.dragging {
  opacity: 0.5;
  transform: rotate(5deg);
  cursor: grabbing;
}

.table-assignment.drag-over {
  border-color: #007bff;
  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.drag-handle {
  cursor: grab;
  color: #6c757d;
  font-size: 0.9em;
  user-select: none;
}

.drag-handle:active {
  cursor: grabbing;
}

.guest-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.drag-handle-guest {
  cursor: grab;
  color: #6c757d;
  font-size: 0.8em;
  user-select: none;
}

.drag-handle-guest:active {
  cursor: grabbing;
}

.guest-item {
  padding: 8px 12px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.guest-item.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
  cursor: grabbing;
  z-index: 1000;
}

/* Visual feedback for dragging assigned guests */
.guest-item:hover {
  background: #f8f9fa;
  border-radius: 4px;
  cursor: pointer;
}

/* Add visual indication for assigned guests that can be hovered */
.guest-item:has(.guest-name:not(.empty-seat)):hover {
  background: #fff3cd;
  border-left: 3px solid #ffc107;
}

.guest-item.dragging {
  background: #e7f3ff;
  border: 2px dashed #007bff;
}

.guest-item.drag-over {
  border-top: 2px solid #007bff;
  background: #f8f9fa;
}

/* Prevent table drag effects when dragging guests */
.table-assignment.dragging .guest-item.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
}

.table-assignment:not(.dragging) .guest-item.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
}

.table-assignment-header .table-name {
  font-weight: 500;
  color: #333;
}

.table-assignment-header .guest-count {
  background: #007bff;
  color: white;
  border-radius: 12px;
  padding: 2px 8px;
  font-size: 0.8em;
  min-width: 20px;
  text-align: center;
}

.table-assignment-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.table-assignment-content.expanded {
  max-height: 500px;
}

.table-assignment-content .guest-item {
  padding: 8px 12px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-assignment-content .guest-item:last-child {
  border-bottom: none;
}

.table-assignment-content .guest-name {
  color: #333;
}

.table-assignment-content .guest-controls {
  display: flex;
  gap: 4px;
}

.table-assignment-content .edit-guest-btn,
.table-assignment-content .remove-guest-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 3px;
  transition: background-color 0.2s;
}

.table-assignment-content .edit-guest-btn {
  color: #007bff;
}

.table-assignment-content .edit-guest-btn:hover {
  background: #e7f3ff;
}

.table-assignment-content .remove-guest-btn {
  color: #dc3545;
}

.table-assignment-content .remove-guest-btn:hover {
  background: #f8d7da;
}

.empty-seat-item {
  opacity: 0.6;
  transition: all 0.2s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.empty-seat-item:hover {
  opacity: 0.8;
  background: #f8f9fa;
}

.empty-seat-item.over {
  opacity: 1;
  background: #fffae6;
  border: 2px dashed #ffc107;
  border-radius: 4px;
  transform: scale(1.02);
}

.empty-seat {
  color: #6c757d;
  font-style: italic;
}

.drop-hint {
  color: #28a745;
  font-size: 0.7em;
  opacity: 0.6;
  margin-left: auto;
  pointer-events: none;
}

.empty-seat-item:hover .drop-hint {
  opacity: 0.8;
}

.empty-table {
  padding: 10px 12px;
  color: #6c757d;
  font-style: italic;
  text-align: center;
}

/* ============================
   Collapsible Sidebars
============================ */

/* Sidebar header with toggle button */
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding: 0 8px 0 2px;
}

.sidebar-header h5 {
  margin: 0;
  flex: 1;
  font-size: 1.1em;
  font-weight: 500;
}

.sidebar-toggle {
  padding: 0;
  font-size: 0.7em;
  border-radius: 6px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #e9ecef;
  background: #f8f9fa;
  color: #6c757d;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.sidebar-toggle:hover {
  background: #007bff;
  border-color: #007bff;
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

.sidebar-toggle:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

.toggle-icon {
  font-size: 0.75em;
  font-weight: bold;
  line-height: 1;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-toggle:hover .toggle-icon {
  transform: scale(1.1);
}

/* Collapsed sidebar styling */
#unassigned-sidebar.collapsed,
#assigned-sidebar.collapsed {
  width: 50px !important;
  min-width: 50px !important;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.8;
  padding: 0 !important;
  margin: 0 !important;
}

#unassigned-sidebar.collapsed #people-container,
#assigned-sidebar.collapsed #assigned-container {
  padding: 10px 8px;
  text-align: center;
}

/* Show only toggle button when collapsed */
#unassigned-sidebar.collapsed .sidebar-header,
#assigned-sidebar.collapsed .sidebar-header {
  padding: 0 8px;
  justify-content: center;
  display: flex;
}

#unassigned-sidebar.collapsed .sidebar-header h5,
#assigned-sidebar.collapsed .sidebar-header h5 {
  display: none;
}

#unassigned-sidebar.collapsed #guestSeatCounts,
#unassigned-sidebar.collapsed #addGuestBtn,
#unassigned-sidebar.collapsed #people-search-input,
#unassigned-sidebar.collapsed #people-list,
#assigned-sidebar.collapsed #assigned-guests-list {
  display: none;
}

/* Animate content when sidebar expands */
#unassigned-sidebar:not(.collapsed) #guestSeatCounts,
#unassigned-sidebar:not(.collapsed) #addGuestBtn,
#unassigned-sidebar:not(.collapsed) #people-search-input,
#unassigned-sidebar:not(.collapsed) #people-list,
#assigned-sidebar:not(.collapsed) #assigned-guests-list {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
}

/* Show sidebar name on hover when collapsed */
#unassigned-sidebar.collapsed:hover::after,
#assigned-sidebar.collapsed:hover::after {
  content: attr(data-title);
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.8em;
  white-space: nowrap;
  z-index: 1000;
  margin-left: 10px;
  pointer-events: none;
}

/* Canvas container transitions */
#canvas-container {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

/* ============================
   Mobile-First Responsive Design
============================ */

/* Mobile breakpoints */
@media (max-width: 767px) {
  /* Mobile-first layout */
  body {
    padding: 5px;
    font-size: 14px;
  }
  
  .container-fluid {
    padding: 0 5px;
  }
  
  /* Mobile controls - compact and touch-friendly */
  #controls {
    margin-bottom: 8px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 8px;
  }
  
  #controls .row {
    flex-direction: column;
    gap: 8px;
  }
  
  #controls .col-md-4,
  #controls .col-md-8 {
    width: 100%;
    text-align: left;
  }
  
  #controls .btn {
    padding: 10px 16px;
    font-size: 14px;
    margin: 2px;
    min-height: 44px;
    border-radius: 8px;
    font-weight: 500;
  }
  
  #controls .text-end {
    text-align: left !important;
  }
  
  /* Mobile button grid */
  #controls .col-md-8 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
  }
  
  /* Mobile main layout - full screen canvas */
  #main-layout {
    flex-direction: column;
    height: calc(100vh - 120px);
    gap: 0;
  }
  
  /* Mobile canvas container - full screen */
  #canvas-container {
    flex: 1;
    height: 100%;
    min-height: auto;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    position: relative;
  }
  
  /* Mobile navigation buttons */
  .mobile-nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 123, 255, 0.9);
    color: white;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s ease;
  }
  
  .mobile-nav-btn:hover {
    background: rgba(0, 123, 255, 1);
    transform: translateY(-50%) scale(1.1);
  }
  
  .mobile-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
  }
  
  .mobile-nav-btn.left {
    left: 10px;
  }
  
  .mobile-nav-btn.right {
    right: 10px;
  }
  
  /* Mobile sidebars - slide-out drawers */
  .sidebar {
    position: fixed;
    top: 0;
    height: 100vh;
    width: 280px;
    max-width: 85vw;
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
    border-radius: 0;
    margin: 0;
    left: 0;
    display: block !important;
  }
  
  /* Right sidebar positioning */
  #assigned-sidebar {
    left: auto !important;
    right: 0;
    transform: translateX(100%);
  }
  
  /* Show sidebars when active */
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  /* Mobile sidebar backdrop */
  .sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
  }
  
  /* Mobile sidebar headers - drawer style */
  .sidebar-header {
    padding: 16px 20px;
    margin-bottom: 0;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
  }
  
  .sidebar-header h5 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
  }
  
  .sidebar-toggle {
    min-width: 44px;
    height: 44px;
    font-size: 16px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #dee2e6;
  }
  
  /* Mobile collapsed sidebars - hide on mobile */
  #unassigned-sidebar.collapsed,
  #assigned-sidebar.collapsed {
    display: none;
  }
  
  /* Mobile canvas container */
  #canvas-container {
    flex: 1;
    min-height: 55vh;
    padding: 8px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  /* Mobile touch-friendly elements */
  .person {
    padding: 12px 16px;
    margin-bottom: 8px;
    min-height: 44px;
    font-size: 14px;
  }
  
  .guest-controls button {
    min-width: 44px;
    height: 44px;
    font-size: 16px;
    padding: 8px;
  }
  
  /* Mobile form elements */
  #addGuestBtn {
    height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
    margin-bottom: 10px;
  }
  
  #people-search-input {
    height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Mobile sidebar content */
  #people-container,
  #assigned-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #fff;
  }
  
  /* Mobile guest lists */
  #people-list,
  #assigned-guests-list {
    flex: 1;
    overflow-y: auto;
   /* padding: 16px; */
  }
  
  /* Mobile form elements in sidebars */
  #addGuestBtn {
    margin: 16px;
    margin-bottom: 8px;
  }
  
  #people-search-input {
    margin: 16px;
    margin-top: 0;
  }
  
  /* Mobile table assignments */
  .table-assignment {
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 8px;
  }
  
  .table-assignment-header {
    padding: 8px 12px;
    min-height: 44px;
  }
  
  .guest-item {
    padding: 8px 12px;
    min-height: 44px;
  }
  
  /* Mobile modals */
  .modal-dialog {
    margin: 10px;
    max-width: calc(100vw - 20px);
  }
  
  .modal-content {
    border-radius: 12px;
  }
  
  .modal-header {
    padding: 15px 20px;
  }
  
  .modal-body {
    padding: 20px;
  }
  
  /* Mobile canvas instructions */
  #controls p {
    font-size: 12px;
    margin: 5px 0;
    color: #666;
  }
}

/* Tablet breakpoint - preserve desktop-like experience */
@media (min-width: 768px) and (max-width: 1023px) {
  /* Keep current desktop layout but adjust sizing */
  .sidebar {
    width: 280px;
    min-width: 280px;
  }
  
  #controls .btn {
    padding: 6px 12px;
    font-size: 14px;
  }
  
  .person {
    padding: 10px 12px;
    font-size: 14px;
  }
}

/* Large tablet and desktop - current experience preserved */
@media (min-width: 1024px) {
  /* Ensure mobile styles don't interfere with desktop */
  .sidebar {
    position: static !important;
    height: auto !important;
    width: 300px !important;
    min-width: 300px !important;
    max-width: none !important;
    z-index: auto !important;
    transform: none !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    border-radius: 8px !important;
    margin: 0 !important;
    left: auto !important;
    right: auto !important;
    display: flex !important;
  }
  
  /* Reset mobile-specific sidebar positioning */
  #assigned-sidebar {
    left: auto !important;
    right: auto !important;
    transform: none !important;
  }
  
  /* Ensure main layout works correctly */
  #main-layout {
    display: flex !important;
    flex-direction: row !important;
    height: calc(100vh - 200px) !important;
    gap: 10px !important;
  }
  
  /* Reset canvas container */
  #canvas-container {
    flex: 1 !important;
    min-width: 0 !important;
    background: #fff !important;
    border-radius: 8px !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    padding: 15px !important;
    display: flex !important;
    flex-direction: column !important;
    position: static !important;
    height: auto !important;
    min-height: auto !important;
  }
  
  /* Hide mobile navigation elements */
  .mobile-nav-btn,
  .sidebar-backdrop {
    display: none !important;
  }
  
  /* Show desktop instructions, hide mobile */
  .desktop-instructions {
    display: block !important;
  }
  
  .mobile-instructions {
    display: none !important;
  }
}

/* ============================
   Mobile-Specific Enhancements
============================ */

/* Mobile touch feedback */
@media (max-width: 767px) {
  /* Enhanced touch feedback for mobile */
  .person:active,
  .seat:active,
  .btn:active {
    transform: scale(0.98);
    transition: transform 0.05s ease;
  }
  
  /* Smooth touch interactions */
  .person,
  .seat,
  .btn,
  .table.card {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  /* Mobile-specific seat styling */
  .seat {
    width: 44px;
    height: 44px;
    border-width: 3px;
  }
  
  /* Mobile table cards */
  .table.card {
    margin-bottom: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  .table.card .card-header {
    padding: 12px 16px;
    border-radius: 12px 12px 0 0;
  }
  
  /* Mobile scrollbar styling */
  #people-list::-webkit-scrollbar,
  #assigned-guests-list::-webkit-scrollbar {
    width: 6px;
  }
  
  #people-list::-webkit-scrollbar-thumb,
  #assigned-guests-list::-webkit-scrollbar-thumb {
    background: rgba(0, 123, 255, 0.3);
    border-radius: 3px;
  }
  

  
  /* Mobile canvas instructions */
  .mobile-instructions {
    background: rgba(0, 123, 255, 0.1);
    color: #007bff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    text-align: center;
    border: 1px solid rgba(0, 123, 255, 0.2);
    margin-bottom: 8px;
  }
  
  /* Hide desktop instructions on mobile */
  #controls p {
    display: none;
  }
  
  /* Mobile optimized modals */
  .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.8);
  }
  
  /* Mobile list item spacing */
  .table-assignment-content .guest-item {
    margin-bottom: 6px;
    padding: 8px 12px;
  }
  
  /* Mobile search optimization */
  #people-search-input:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
  }
  
  /* Mobile drag feedback */
  .person.dragging {
    transform: rotate(2deg) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  }
  
  /* Mobile seat drop zones */
  .seat.over {
    border-color: #28a745;
    border-width: 4px;
    transform: scale(1.1);
  }
  
  /* Mobile table assignment hover */
  .table-assignment:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  }
}

/* Prevent text selection on mobile */
@media (max-width: 767px) {
  * {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  
  /* Allow text selection in inputs */
  input, textarea {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
  }
} 

/* ============================
   Mobile Touch Drag and Drop Styles
============================ */

/* Touch drag indicator */
.touch-drag-indicator {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  background: rgba(0, 123, 255, 0.9);
  color: white;
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  backdrop-filter: blur(4px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.drag-indicator-content {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
}

.drag-indicator-icon {
  font-size: 16px;
}

.drag-indicator-text {
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Touch dragging states */
.touch-dragging {
  opacity: 0.7;
  transform: scale(0.95);
  transition: all 0.2s ease;
}

.touch-over {
  background-color: #e7f3ff !important;
  border: 2px dashed #007bff !important;
  transform: scale(1.05);
  transition: all 0.2s ease;
}

/* Mobile-specific improvements */
@media (max-width: 768px) {
  /* Hide desktop sidebar toggle buttons on mobile */
  .sidebar-toggle {
    display: none !important;
  }
  
  /* Improved sidebar header spacing - reduced */
  .sidebar-header {
    padding: 6px 8px;
    border-bottom: 1px solid #dee2e6;
  }
  
  .sidebar-header h5 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
  }
  
  /* Better container spacing - reduced padding */
  #people-container {
    padding: 8px;
  }
  
  #assigned-container {
    padding: 6px;
  }
  
  /* Improved guest/seat counts spacing - reduced */
  #guestSeatCounts {
    margin: 6px 0;
    padding: 6px 8px;
    background: #f8f9fa;
    border-radius: 4px;
    font-size: 13px;
    text-align: center;
  }
  
  /* Better add guest button spacing - reduced */
  #addGuestBtn {
    margin: 8px 0;
    padding: 10px 12px;
    font-size: 15px;
    font-weight: 500;
  }
  
  /* Improved search input spacing - reduced */
  #people-search-input {
    margin: 6px 0 8px 0;
    padding: 10px 12px;
    font-size: 15px;
    border-radius: 6px;
  }
  
  /* Better people list spacing */
  #people-list {
    margin-top: 8px;
  }
  
  /* Larger touch targets */
  .person {
    min-height: 48px;
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
  }
  
  .seat {
    min-width: 48px;
    min-height: 48px;
  }
  
  /* Better visual feedback for touch */
  .person:active {
    background-color: #e7f3ff;
    transform: scale(0.98);
  }
  
  .seat:active {
    background-color: #e7f3ff;
    transform: scale(0.95);
  }
  
  /* Improved drop zone visibility */
  .drop-zone {
    background: linear-gradient(45deg, #e7f3ff 25%, transparent 25%), 
                linear-gradient(-45deg, #e7f3ff 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #e7f3ff 75%), 
                linear-gradient(-45deg, transparent 75%, #e7f3ff 75%);
    background-size: 8px 8px;
    background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
    border: 2px dashed #007bff;
  }
  
  /* Enhanced dragging feedback */
  .dragging {
    opacity: 0.8;
    transform: rotate(3deg) scale(1.1);
    box-shadow: 0 8px 24px rgba(0, 123, 255, 0.3);
  }
  
  /* Better button sizing for touch */
  .guest-controls button {
    min-width: 36px;
    min-height: 36px;
    font-size: 16px;
    margin: 0 2px;
  }
  
  /* Improved table controls */
  .table-controls button {
    min-width: 40px;
    min-height: 40px;
    font-size: 14px;
    margin: 3px;
  }
  
  /* Fix assigned guests list for mobile - restore desktop-like appearance */
  .table-assignment {
    margin-bottom: 4px;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
  }
  
  .table-assignment-header {
    padding: 4px 6px;
    background: #f8f9fa;
    border-radius: 3px;
    margin-bottom: 2px;
    cursor: pointer;
    position: relative;
  }
  
  .table-assignment-header::after {
    content: '▼';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: #6c757d;
    transition: transform 0.2s ease;
  }
  
  .table-assignment-content.expanded {
    max-height: 500px;
    padding: 4px 6px;
  }
  
  .table-assignment-content.expanded {
    max-height: 500px;
    padding: 4px 6px;
  }
  
  /* Rotate arrow when content is expanded */
  .table-assignment-header.expanded::after {
    transform: translateY(-50%) rotate(180deg);
  }
  
  .table-assignment-content {
    padding: 0 6px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
  }
  
  .table-assignment-content.expanded {
    max-height: 500px;
    padding: 4px 6px;
  }
  
  .guest-item {
    padding: 4px 8px;
    margin-bottom: 2px;
    background: transparent;
    border: none;
    border-radius: 0;
  }
  
  .guest-info {
    gap: 4px;
  }
  
  .guest-name {
    font-size: 13px;
  }
  
  /* Ensure drag handles are visible and touchable */
  .drag-handle, .drag-handle-guest {
    font-size: 16px;
    color: #6c757d;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
  }
  
  .drag-handle:active, .drag-handle-guest:active {
    cursor: grabbing;
  }
  
  /* Touch drag feedback for guest items */
  .guest-item.dragging {
    opacity: 0.7;
    transform: scale(1.05);
    z-index: 1000;
    position: relative;
  }
  
  .guest-item.drag-over {
    background-color: #e7f3ff !important;
    border-left: 3px solid #007bff !important;
    transform: translateX(4px);
  }
  
  /* Ensure guest items are touch-friendly */
  .guest-item {
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
  }
  
  /* Table touch drag feedback */
  .table-assignment.dragging {
    opacity: 0.7;
    transform: scale(1.02);
    z-index: 1000;
    position: relative;
  }
  
  .table-assignment.drag-over {
    background-color: #e7f3ff !important;
    border-left: 3px solid #007bff !important;
    transform: translateX(4px);
  }
  
  /* Ensure table assignments are touch-friendly */
  .table-assignment {
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
  }
  
  /* Make guest names more hoverable */
  .guest-name {
    cursor: pointer;
    transition: color 0.2s ease;
  }
  
  .guest-name:hover {
    color: #007bff;
  }
  
  /* Make edit and remove buttons more touch-friendly on mobile */
  .edit-guest-btn,
  .remove-guest-btn {
    min-width: 32px;
    min-height: 32px;
    padding: 6px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    touch-action: manipulation;
  }
  
  .edit-guest-btn {
    background-color: #007bff;
    color: white;
  }
  
  .edit-guest-btn:hover,
  .edit-guest-btn:active {
    background-color: #0056b3;
    transform: scale(1.1);
  }
  
  .remove-guest-btn {
    background-color: #dc3545;
    color: white;
  }
  
  .remove-guest-btn:hover,
  .remove-guest-btn:active {
    background-color: #c82333;
    transform: scale(1.1);
  }
  
  /* Ensure guest controls are properly spaced */
  .guest-controls {
    display: flex;
    gap: 4px;
    align-items: center;
  }
  
  /* Highlighted seat styling */
  .highlighted-seat {
    background-color: #ffeb3b !important;
    box-shadow: 0 0 15px rgba(255, 235, 59, 0.8) !important;
    transform: scale(1.1);
    transition: all 0.3s ease;
    z-index: 1000;
    position: relative;
  }
  
  /* Ensure highlighted seats are visible on all devices */
  .highlighted-seat::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid #ff9800;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
  }
  
  @keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
  }
}

/* Prevent text selection during drag */
.dragging, .touch-dragging {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Smooth transitions for all interactive elements */
.person, .seat, .guest-controls button, .table-controls button {
  transition: all 0.2s ease;
}

/* Enhanced focus states for accessibility */
.person:focus, .seat:focus {
  outline: 2px solid #007bff;
  outline-offset: 2px;
}

/* Success animation for drops */
@keyframes successPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); background-color: #d4edda; }
  100% { transform: scale(1); }
}

/* Mobile-specific table layout improvements */
@media (max-width: 768px) {
  .table.card {
    margin: 12px;
    min-width: 140px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  .table-title {
    font-size: 16px;
    padding: 10px 12px;
    font-weight: 600;
  }
  
  /* Better seat spacing on mobile */
  .card-body {
    padding: 12px;
  }
  
  .seat {
    margin: 3px;
    border-radius: 50%;
  }
  
  /* Improved table controls spacing */
  .table-controls {
    padding: 8px 12px;
    gap: 6px;
  }
  
  /* Better canvas container spacing */
  #canvas-container {
    padding: 8px;
  }
  
  /* Improved main layout spacing */
  #main-layout {
    margin: 0;
    padding: 0;
  }
}

/* Touch-friendly modal improvements */
@media (max-width: 768px) {
  .modal-dialog {
    margin: 16px;
    max-width: calc(100% - 32px);
  }
  
  .modal-header {
    padding: 16px 20px;
  }
  
  .modal-header h5 {
    font-size: 18px;
    font-weight: 600;
  }
  
  .modal-body {
    padding: 20px;
  }
  
  .modal-footer {
    padding: 16px 20px;
    gap: 8px;
  }
  
  .form-control, .form-select {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
  }
  
  .form-label {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 6px;
  }
  
  .btn {
    min-height: 48px;
    font-size: 16px;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
  }
  
  /* Better form row spacing */
  .row {
    margin: 0 -8px;
  }
  
  .col-md-6 {
    padding: 0 8px;
  }
  
  /* Improved textarea spacing */
  textarea.form-control {
    min-height: 80px;
    resize: vertical;
  }
}

/* ============================
   Simple Mobile CSS Fixes
============================ */
@media (max-width: 768px) {
  /* Fix guest name display - remove the problematic flex and text-overflow */
  .guest-name {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    flex: none;
    margin-right: 8px;
  }
  
  /* Fix guest item layout */
  .guest-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    position: relative;
  }
  
  /* Add touch and hold visual feedback */
  .guest-item::before {
    content: 'Hold to reorder';
    position: absolute;
    left: 50%;
    top: -30px;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1000;
  }
  
  .guest-item.dragging::before {
    opacity: 1;
  }
  
  /* Fix guest info layout */
  .guest-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
  }
  
  /* Ensure guest controls don't shrink */
  .guest-controls {
    flex-shrink: 0;
  }
  
  /* Fix table assignment header layout */
  .table-assignment-header > div {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
  }
  
  .table-assignment-header .table-name {
    flex: 1;
  }
  
  .table-assignment-header .guest-count {
    flex-shrink: 0;
  }
  
  /* Enable touch scrolling within table content */
  .table-assignment-content {
    touch-action: pan-y;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Ensure guest items don't interfere with scrolling by default */
  .guest-item {
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
  }
  
  /* Only enable dragging when explicitly dragging */
  .guest-item.dragging {
    touch-action: none;
    z-index: 1000;
  }
  
  /* Prevent canvas panning when dragging tables or guests */
  .table.card {
    touch-action: manipulation;
  }
  
  .table.card .card-header {
    touch-action: manipulation;
  }
  
  .seat {
    touch-action: manipulation;
  }
  
  /* When dragging, prevent all canvas interactions */
  .table.card.dragging,
  .seat.dragging {
    touch-action: none;
    z-index: 1000;
  }
  
  /* Hide drag handles on mobile - using touch and hold instead */
  .drag-handle-guest {
    display: none;
  }
  
  /* Show drag handles on desktop only */
  @media (min-width: 769px) {
    .drag-handle-guest {
      display: inline-block;
      touch-action: manipulation;
      cursor: grab;
      padding: 8px;
      border-radius: 4px;
      background-color: #f8f9fa;
      border: 1px solid #dee2e6;
      transition: all 0.2s ease;
    }
    
    .drag-handle-guest:active {
      cursor: grabbing;
      background-color: #e9ecef;
      transform: scale(1.1);
    }
    
    .drag-handle-guest:hover {
      background-color: #e9ecef;
      border-color: #adb5bd;
    }
  }
  
  /* Enable scrolling for the assigned guests container */
  #assigned-container {
    touch-action: pan-y;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Table assignment headers should allow dragging */
  .table-assignment-header {
    touch-action: pan-y;
    cursor: pointer;
    position: relative;
    min-height: 48px; /* Better touch target */
    display: flex;
    align-items: center;
  }
  
  /* Add visual indicator for expandable headers */
  .table-assignment-header::after {
    content: '▼';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: #6c757d;
    transition: transform 0.2s ease;
    z-index: 1;
  }
  
  /* Ensure guest count doesn't overlap with arrow */
  .table-assignment-header .guest-count {
    margin-right: 20px;
    flex-shrink: 0;
  }
  
  .table-assignment-header.expanded::after {
    transform: translateY(-50%) rotate(180deg);
  }
  
  /* Only enable dragging when explicitly dragging */
  .table-assignment.dragging {
    touch-action: none;
    z-index: 1000;
  }
  
  /* Drag handles for tables */
  .drag-handle {
    touch-action: manipulation;
    cursor: grab;
  }
  
  .drag-handle:active {
    cursor: grabbing;
  }
  
  /* Visual feedback for drag handles */
  .drag-handle,
  .drag-handle-guest {
    color: #6c757d;
    transition: color 0.2s ease;
  }
  
  .drag-handle:hover,
  .drag-handle-guest:hover {
    color: #007bff;
  }
  
  /* Better visual feedback when dragging */
  .guest-item.dragging,
  .table-assignment.dragging {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
  }
  
  /* Enhanced visual feedback for canvas dragging */
  .seat.dragging {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.6);
    border: 2px solid #007bff;
    z-index: 1000;
  }
  
  .seat.drag-over {
    background-color: #e7f3ff !important;
    border: 2px dashed #007bff !important;
    transform: scale(1.05);
  }
  
  .table.card.dragging {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 2px solid #007bff;
  }
  
  /* Improved hover highlighting for assigned seats */
  .highlighted-seat {
    background-color: #ffeb3b !important;
    box-shadow: 0 0 15px rgba(255, 235, 59, 0.8) !important;
    transform: scale(1.1);
    transition: all 0.3s ease;
    z-index: 1000;
    position: relative;
  }
  
  .highlighted-seat::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid #ff9800;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
  }
  
  @keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
  }
  
  /* Reduce padding between mobile controls and buttons */
  .mobile-controls {
    margin-bottom: 8px;
  }
  
  /* Move template button into main button section */
  .template-btn {
    margin-bottom: 12px;
  }
  
  /* Fix button overlap with tables on canvas */
  .action-buttons {
    margin-bottom: 20px;
  }
  
  /* Ensure canvas has proper spacing from buttons */
  #canvas {
    margin-top: 16px;
  }
  
  /* Improve mobile button layout */
  .col-md-8.text-end {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
  }
  
  .col-md-8.text-end .btn {
    margin: 0 !important;
    flex-shrink: 0;
  }
  
  /* Fix table buttons on canvas for mobile */
  .table.card .card-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }
  
  /* Long rectangle table styling (Last Supper style) */
  .table.card[data-table-type="rectangle-long"] {
    min-width: 620px; /* Ensure it's wide enough */
  }
  
  .table.card[data-table-type="rectangle-long"] .card-body {
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
  }
  
  .table.card[data-table-type="rectangle-long"] .seat {
    background-color: #28a745;
    border: 2px solid #1e7e34;
  }
  
  .table.card[data-table-type="rectangle-long"] .seat.filled {
    background-color: #007bff;
    border-color: #0056b3;
  }
  
  .table.card .header-controls {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
  }
  
  .table.card .header-controls .btn {
    font-size: 12px;
    padding: 6px 8px;
    min-height: 32px;
  }
  
  /* Better mobile controls spacing */
  .mobile-instructions {
    margin-bottom: 12px;
    padding: 8px 12px;
    background: #f8f9fa;
    border-radius: 6px;
    font-size: 14px;
  }
  
  /* Ensure proper spacing between controls and canvas */
  #controls {
    margin-bottom: 16px;
  }
}

/* ============================
   Collaboration Styles
============================ */

.collaboration-active {
  border: 2px solid #28a745 !important;
  box-shadow: 0 0 10px rgba(40, 167, 69, 0.3);
}

.collaboration-indicator {
  position: fixed;
  top: 10px;
  right: 10px;
  background: #28a745;
  color: white;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 12px;
  z-index: 1000;
  animation: collaboration-pulse 2s infinite;
}

@keyframes collaboration-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.7; }
  100% { opacity: 1; }
}

#collaborateBtn {
  transition: all 0.3s ease;
}

#collaborateBtn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#collaborateBtn.btn-success {
  background: linear-gradient(45deg, #28a745, #20c997);
  border-color: #28a745;
}

#collaborateBtn.btn-success:hover {
  background: linear-gradient(45deg, #218838, #1ea085);
  border-color: #1e7e34;
}

/* Collaboration status indicator */
.collaboration-status {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(40, 167, 69, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 12px;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Real-time update indicator */
.real-time-update {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(40, 167, 69, 0.9);
  color: white;
  padding: 15px 25px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 1001;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  animation: fadeInOut 3s ease-in-out;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  80% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
}

/* Mobile collaboration styles */
@media (max-width: 767px) {
  .collaboration-status {
    bottom: 10px;
    right: 10px;
    font-size: 11px;
    padding: 6px 10px;
  }
  
  .real-time-update {
    width: 90%;
    max-width: 300px;
    font-size: 13px;
    padding: 12px 20px;
  }
  
  #collaborateBtn {
    font-size: 14px;
    padding: 8px 12px;
  }
}