/**
 * Multi-Counter System Styles
 * Phase 2B: Advanced Counter Features - Styling
 */

/* Multi-Counter Container */
.multi-counter-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header Controls */
.multi-counter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.counter-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Header Control Buttons */
.counter-controls .btn {
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.counter-controls .btn-primary {
  background: #007bff;
  color: white;
}

.counter-controls .btn-primary:hover {
  background: #0056b3;
}

.counter-controls .btn-secondary {
  background: #6c757d;
  color: white;
}

.counter-controls .btn-secondary:hover {
  background: #5a6268;
}

.view-controls {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  gap: 5px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.view-toggle .btn {
  border: none;
  border-radius: 0;
  padding: 8px 12px;
  background: var(--background-color);
  color: var(--text-color);
}

.view-toggle .btn.active {
  background: var(--primary-color);
  color: white;
}

.search-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-controls input {
  min-width: 200px;
}

/* Category Filter */
.category-filter {
  margin-bottom: 20px;
  padding: 15px;
  background: var(--card-background);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.category-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.category-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.category-chip:hover {
  background: var(--hover-color);
  transform: translateY(-1px);
}

.category-chip.active {
  background: var(--category-color, var(--primary-color));
  color: white;
  border-color: var(--category-color, var(--primary-color));
}

.category-chip small {
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 12px;
}

/* Counters Grid */
.counters-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
}

.counters-grid.view-grid {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.counters-grid.view-list {
  grid-template-columns: 1fr;
}

.counters-grid.view-compact {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}

.no-counters {
  text-align: center;
  color: var(--text-muted);
  padding: 40px;
  font-size: 18px;
}

/* Counter Cards */
.counter-card {
  background: var(--card-background);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.counter-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--counter-color, var(--primary-color));
  transition: height 0.3s ease;
}

.counter-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.counter-card.active {
  border-color: var(--counter-color, var(--primary-color));
  box-shadow: 0 0 0 2px rgba(var(--counter-color-rgb, 0, 123, 255), 0.2);
}

.counter-card.active::before {
  height: 6px;
}

.view-list .counter-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 15px 20px;
}

.view-compact .counter-card {
  padding: 15px;
}

/* Counter Header */
.counter-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.counter-info h4 {
  margin: 0 0 5px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color);
}

.counter-category {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.counter-menu-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.counter-menu-btn:hover {
  background: var(--hover-color);
  color: var(--text-color);
}

/* Counter Value */
.counter-value {
  text-align: center;
  margin-bottom: 20px;
  cursor: pointer;
  padding: 15px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.counter-value:hover {
  background: var(--hover-color);
}

.value-display {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--counter-color, var(--primary-color));
  display: block;
  margin-bottom: 5px;
}

.value-limits {
  font-size: 12px;
  color: var(--text-muted);
}

.view-list .counter-value {
  margin-bottom: 0;
  flex: 0 0 150px;
}

.view-list .value-display {
  font-size: 2em;
  margin-bottom: 0;
}

.view-compact .counter-value {
  margin-bottom: 15px;
}

.view-compact .value-display {
  font-size: 2em;
}

/* Counter Controls */
.counter-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 15px;
}

.counter-controls .btn {
  flex: 1;
  min-width: 50px;
  height: 50px;
  border-radius: 8px;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn-increment {
  background: var(--success-color, #28a745);
  color: white;
  border: none;
  /* Mobile Touch Optimization */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px;
  min-width: 48px;
  user-select: none;
  -webkit-user-select: none;
}

.btn-increment:hover:not(:disabled) {
  background: var(--success-dark, #218838);
  transform: translateY(-1px);
}

.btn-increment:active:not(:disabled) {
  transform: scale(0.95);
  background: var(--success-dark, #218838);
}

.btn-decrement {
  background: var(--danger-color, #dc3545);
  color: white;
  border: none;
  /* Mobile Touch Optimization */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px;
  min-width: 48px;
  user-select: none;
  -webkit-user-select: none;
}

.btn-decrement:hover:not(:disabled) {
  background: var(--danger-dark, #c82333);
  transform: translateY(-1px);
}

.btn-decrement:active:not(:disabled) {
  transform: scale(0.95);
  background: var(--danger-dark, #c82333);
}

.counter-controls .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.view-list .counter-controls {
  flex: 0 0 120px;
  margin-bottom: 0;
}

.view-compact .counter-controls {
  margin-bottom: 10px;
}

.view-compact .counter-controls .btn {
  height: 40px;
  font-size: 16px;
}

/* Fullscreen button styling */
.counter-controls .btn-fullscreen {
  background: #6c757d;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
}

.counter-controls .btn-fullscreen:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

/* Counter Stats */
.counter-stats {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.counter-stats .stat {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.counter-stats .stat i {
  font-size: 10px;
}

.view-list .counter-stats {
  flex: 0 0 200px;
  flex-direction: column;
  gap: 5px;
}

.view-list .counter-stats .stat {
  justify-content: flex-start;
}

.view-compact .counter-stats {
  font-size: 11px;
}

/* Statistics Panel */
.counter-statistics {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}

.stat-card {
  text-align: center;
  padding: 15px;
  background: var(--background-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-content {
  background: var(--card-background);
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  margin: 0;
  color: var(--text-color);
}

.btn-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 5px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-close:hover {
  background: var(--hover-color);
  color: var(--text-color);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

/* Settings Modal */
.settings-modal .modal-content {
  max-width: 500px;
  width: 90%;
}

.settings-section {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.settings-section:last-child {
  border-bottom: none;
}

.settings-section h4 {
  margin: 0 0 16px 0;
  color: #333;
  font-size: 16px;
  font-weight: 600;
}

.settings-toggle {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  cursor: pointer;
  user-select: none;
}

.settings-toggle input[type="checkbox"] {
  display: none;
}

.toggle-slider {
  position: relative;
  width: 44px;
  height: 24px;
  background: #ccc;
  border-radius: 12px;
  margin-right: 12px;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

.settings-toggle input[type="checkbox"]:checked + .toggle-slider {
  background: #007bff;
}

.settings-toggle input[type="checkbox"]:checked + .toggle-slider::before {
  transform: translateX(20px);
}

.toggle-label {
  flex: 1;
  color: #333;
  font-size: 14px;
}

/* Form Styles */
.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--text-color);
}

.form-control {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--background-color);
  color: var(--text-color);
  font-size: 14px;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb, 0, 123, 255), 0.2);
}

.form-row {
  display: flex;
  gap: 15px;
}

.form-row .form-group {
  flex: 1;
}

.col-md-6 {
  flex: 0 0 calc(50% - 7.5px);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  z-index: 1100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  background: var(--success-color, #28a745);
}

.toast-error {
  background: var(--danger-color, #dc3545);
}

.toast-info {
  background: var(--info-color, #17a2b8);
}

/* Counter menu button styling */
.counter-menu {
  position: relative;
  display: inline-block;
}

.counter-menu-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.counter-menu-btn:hover {
  background: var(--hover-color);
  color: var(--text-color);
}

/* Counter dropdown menu */
.counter-menu-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: white;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  min-width: 150px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

.counter-menu-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.counter-menu-dropdown .menu-item {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  transition: background-color 0.2s;
}

.counter-menu-dropdown .menu-item:last-child {
  border-bottom: none;
}

.counter-menu-dropdown .menu-item:hover {
  background-color: #f8f9fa;
}

.counter-menu-dropdown .menu-item.danger {
  color: #dc3545;
}

.counter-menu-dropdown .menu-item.danger:hover {
  background-color: #f8d7da;
}

.counter-menu-dropdown .menu-item i {
  width: 16px;
  font-size: 12px;
}

/* Fullscreen Counter */
.fullscreen-counter-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
  padding: 0;
  margin: 0;
}

.fullscreen-counter {
  background: white;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  box-sizing: border-box;
  position: relative;
  justify-content: flex-start;
}

/* Theme-aware fullscreen counter */
.fullscreen-counter-overlay.theme-dark .fullscreen-counter {
  background: #1e1e1e;
  color: white;
}

.fullscreen-counter-overlay.theme-light .fullscreen-counter {
  background: white;
  color: #333;
}

/* Fullscreen Toolbar */
.fullscreen-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 15px 20px;
  background: var(--header-bg, #f8f9fa);
  border-bottom: 1px solid var(--border-color, rgba(0, 0, 0, 0.1));
  order: 1;
}

.fullscreen-counter-overlay.theme-dark .fullscreen-toolbar {
  background: #2d3748;
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.fullscreen-counter-overlay.theme-light .fullscreen-toolbar {
  background: #f8f9fa;
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.fullscreen-toolbar .toolbar-left {
  flex: 1;
  display: flex;
  align-items: center;
}

.fullscreen-toolbar .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fullscreen-toolbar .btn {
  background: transparent;
  border: 2px solid transparent;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 16px;
  color: #6c757d;
}

.fullscreen-counter-overlay.theme-dark .fullscreen-toolbar .btn {
  color: #e2e8f0;
}

.fullscreen-counter-overlay.theme-light .fullscreen-toolbar .btn {
  color: #6c757d;
}

.fullscreen-toolbar .btn:hover {
  background: rgba(0, 110, 255, 0.1);
  border-color: #006eff;
  color: #006eff;
  transform: scale(1.05);
}

.fullscreen-counter-overlay.theme-dark .fullscreen-toolbar .btn:hover {
  background: rgba(0, 110, 255, 0.2);
  border-color: #006eff;
  color: #006eff;
}

.fullscreen-counter-overlay.theme-light .fullscreen-toolbar .btn:hover {
  background: rgba(0, 110, 255, 0.1);
  border-color: #006eff;
  color: #006eff;
}

/* Fullscreen Title */
.fullscreen-title {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15px 20px 10px 20px;
  order: 2;
}

.fullscreen-title .counter-title {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
}

.fullscreen-counter-overlay.theme-dark .fullscreen-title .counter-title {
  color: white;
}

.fullscreen-counter-overlay.theme-light .fullscreen-title .counter-title {
  color: black;
}

.fullscreen-stats {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  order: 3;
}

.fullscreen-counter-overlay.theme-light .fullscreen-stats {
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.fullscreen-value {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  order: 4;
  padding: 30px 20px;
  min-height: 120px;
}

.fullscreen-value .value-display {
  font-size: 70px;
  font-weight: 900;
  color: var(--counter-color, #007bff);
  line-height: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.fullscreen-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  padding: 30px 20px;
  order: 5;
}

.fullscreen-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  order: 6;
}

.fullscreen-footer .value-limits {
  font-size: 16px;
  opacity: 0.7;
  font-weight: 500;
  text-align: center;
}

.fullscreen-controls .btn {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: none;
  font-size: 32px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  /* Mobile Touch Optimization */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.fullscreen-controls .btn-decrement {
  background: #006eff;
  color: white;
}

.fullscreen-controls .btn-decrement:hover:not(:disabled) {
  background: #0056cc;
  transform: scale(1.1);
}

.fullscreen-controls .btn-decrement:active:not(:disabled) {
  transform: scale(0.95);
  background: #0056cc;
}

.fullscreen-controls .btn-increment {
  background: #006eff;
  color: white;
}

.fullscreen-controls .btn-increment:hover:not(:disabled) {
  background: #0056cc;
  transform: scale(1.1);
}

.fullscreen-controls .btn-increment:active:not(:disabled) {
  transform: scale(0.95);
  background: #0056cc;
}

.fullscreen-controls .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.fullscreen-stats {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  order: 1;
}

.fullscreen-counter-overlay.theme-light .fullscreen-stats {
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.fullscreen-stats .stat {
  text-align: center;
  flex: 1;
}

.fullscreen-stats .stat i {
  font-size: 20px;
  color: var(--counter-color, #007bff);
  margin-bottom: 8px;
  display: block;
}

.fullscreen-stats .stat span {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: inherit;
  margin-bottom: 4px;
}

.fullscreen-stats .stat small {
  font-size: 12px;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Stacked Layout for Fullscreen Controls */
.fullscreen-controls.layout-stacked {
  flex-direction: column;
  gap: 20px;
  padding: 30px 20px;
  max-width: 300px;
  margin: 0 auto;
  order: 5;
}

/* Desktop stacked layout */
@media (min-width: 769px) {
  .fullscreen-controls.layout-stacked {
    position: static;
    background: transparent;
    width: auto;
    transform: none;
    left: auto;
    bottom: auto;
  }
}

.fullscreen-controls.layout-stacked .btn {
  width: 280px;
  height: 80px;
  border-radius: 16px;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.fullscreen-controls.layout-stacked .btn-increment {
  order: 1;
  background: linear-gradient(135deg, #006eff, #0056cc);
}

.fullscreen-controls.layout-stacked .btn-increment:hover:not(:disabled) {
  background: linear-gradient(135deg, #0056cc, #004499);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 110, 255, 0.3);
}

.fullscreen-controls.layout-stacked .btn-increment:active:not(:disabled) {
  transform: translateY(0);
  background: linear-gradient(135deg, #004499, #003377);
}

.fullscreen-controls.layout-stacked .btn-decrement {
  order: 2;
  background: linear-gradient(135deg, #006eff, #0056cc);
}

.fullscreen-controls.layout-stacked .btn-decrement:hover:not(:disabled) {
  background: linear-gradient(135deg, #0056cc, #004499);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 110, 255, 0.3);
}

.fullscreen-controls.layout-stacked .btn-decrement:active:not(:disabled) {
  transform: translateY(0);
  background: linear-gradient(135deg, #004499, #003377);
}

.fullscreen-controls.layout-stacked .btn-increment::after {
  content: "ADD";
  font-size: 16px;
  font-weight: 700;
}

.fullscreen-controls.layout-stacked .btn-decrement::after {
  content: "SUBTRACT";
  font-size: 16px;
  font-weight: 700;
}

/* Mobile specific adjustments for stacked layout */
@media (max-width: 768px) {
  .fullscreen-toolbar {
    padding: 10px 15px;
  }
  
  .fullscreen-toolbar .btn {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
  
  .fullscreen-controls.layout-stacked {
    max-width: calc(100vw - 40px);
    padding: 15px 0;
  }
  
  .fullscreen-controls.layout-stacked .btn {
    width: calc(100vw - 40px);
    max-width: 320px;
    height: 70px;
    font-size: 20px;
  }
  
  /* Adjust for safe areas on mobile */
  @supports (env(safe-area-inset-bottom)) {
    .fullscreen-controls.layout-stacked {
      padding-bottom: calc(15px + env(safe-area-inset-bottom));
    }
  }
  
  /* One-handed use optimization - only on mobile */
  @media (max-width: 768px) {
    .fullscreen-controls.layout-stacked {
      position: fixed;
      bottom: 60px;
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
      padding: 20px;
      padding-bottom: calc(40px + env(safe-area-inset-bottom, 20px));
      order: 4;
    }
    
    .fullscreen-counter-overlay.theme-light .fullscreen-controls.layout-stacked {
      background: linear-gradient(to top, rgba(255,255,255,0.95), transparent);
    }
  }
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .multi-counter-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  
  .counter-controls {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .view-controls {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .search-controls input {
    min-width: 100%;
  }
  
  /* Enhanced touch targets for mobile */
  .btn-increment,
  .btn-decrement {
    min-height: 52px;
    min-width: 52px;
    font-size: 18px;
    font-weight: bold;
  }
  
  .counter-controls .btn {
    min-height: 44px;
    font-size: 14px;
    padding: 10px 12px;
    flex: 0 1 auto;
  }
  
  /* Larger fullscreen controls on mobile */
  .fullscreen-toolbar {
    padding: 10px 15px;
  }
  
  .fullscreen-toolbar .toolbar-left {
    order: 2;
    flex: none;
  }
  
  .fullscreen-toolbar .toolbar-right {
    order: 1;
    justify-content: center;
    width: 100%;
  }
  
  .fullscreen-toolbar .btn {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
  
  .fullscreen-title .counter-title {
    font-size: 14px;
  }
  
  .fullscreen-value {
    padding: 20px;
    min-height: 100px;
  }
  
  .fullscreen-value .value-display {
    font-size: 60px;
  }
  
  .fullscreen-controls .btn {
    width: 120px;
    height: 120px;
    font-size: 36px;
  }
  
  .fullscreen-controls {
    gap: 40px;
    padding: 30px 20px;
  }
  
  .fullscreen-footer {
    padding: 20px;
  }
}

/* Additional mobile touch optimizations for rapid tapping */
@media (hover: none) and (pointer: coarse) {
  .btn-increment,
  .btn-decrement {
    /* Prevent touch zoom and enhance feedback */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    touch-action: manipulation;
    
    /* Faster transitions for rapid tapping */
    transition: all 0.1s ease;
  }
  
  /* Immediate visual feedback for touch events */
  .btn-increment.btn-touching,
  .btn-decrement.btn-touching {
    transform: scale(0.95);
    background-color: var(--primary-color-dark, #0056b3);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
  }
  
  /* Enhanced active states for better feedback */
  .btn-increment:active,
  .btn-decrement:active {
    transform: scale(0.95);
    transition: transform 0.05s ease;
  }
  
  .btn-increment:active {
    background-color: var(--success-dark, #218838);
  }
  
  .btn-decrement:active {
    background-color: var(--danger-dark, #c82333);
  }
  
  /* Ensure no delays for rapid interactions */
  .btn-increment,
  .btn-decrement {
    cursor: pointer;
    outline: none;
  }
}

/* Hide footer when stacked layout is active on mobile */
.fullscreen-counter:has(.fullscreen-controls.layout-stacked) .fullscreen-footer {
  display: none;
}