/* ===== TODO APP PRO STYLES ===== */

/* === BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  transition: all var(--transition-base);
}

/* === THEME VARIABLES OVERRIDE === */
:root {
  --todo-primary: var(--primary-600);
  --todo-secondary: var(--secondary-600);
  --todo-accent: var(--accent-600);
  --todo-success: var(--success-600);
  --todo-warning: var(--warning-600);
  --todo-error: var(--error-600);
}

/* === LOADING SCREEN === */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, var(--primary-600), var(--accent-600));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-4);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* === THEME TOGGLE === */
.theme-toggle {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

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

.theme-icon {
  position: absolute;
  transition: all var(--transition-base);
}

[data-theme="light"] .dark-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .light-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0);
}

/* === BACK BUTTON === */
.back-button {
  position: fixed;
  top: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  color: var(--text-primary);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  z-index: 1000;
  font-weight: var(--font-medium);
}

.back-button:hover {
  transform: translateX(-2px);
  color: var(--primary-600);
}

/* === APP CONTAINER === */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-20) var(--space-6) var(--space-8);
  min-height: 100vh;
}

/* === APP HEADER === */
.app-header {
  margin-bottom: var(--space-8);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-6);
}

.app-branding {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.app-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: white;
  box-shadow: var(--shadow-lg);
}

.app-title h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.app-subtitle {
  color: var(--text-secondary);
  font-size: var(--text-base);
}

/* === QUICK STATS === */
.quick-stats {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-lg);
}

.stat-icon.primary { background: var(--gradient-primary); }
.stat-icon.success { background: var(--gradient-secondary); }
.stat-icon.warning { background: var(--gradient-accent); }

.stat-value {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* === PROGRESS BAR === */
.progress-container {
  position: relative;
  margin-bottom: var(--space-2);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
  transition: width 0.5s ease;
  width: 0%;
}

.progress-text {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
}

/* === ADD TASK SECTION === */
.add-task-section {
  margin-bottom: var(--space-8);
}

.add-task-form {
  overflow: hidden;
}

.form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-header:hover {
  background: var(--bg-tertiary);
}

.form-header h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--text-lg);
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-toggle:hover {
  color: var(--text-primary);
  transform: scale(1.1);
}

.form-content {
  padding: var(--space-6);
  max-height: 400px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.form-content.collapsed {
  max-height: 0;
  padding: 0 var(--space-6);
}

.input-row {
  margin-bottom: var(--space-4);
}

.input-row.expanded {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-group.primary .main-input {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-6);
  padding-left: var(--space-12);
  padding-right: var(--space-16);
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  color: var(--text-secondary);
  z-index: 2;
}

.main-input,
.form-input,
.form-select,
.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-12);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.main-input:focus,
.form-input:focus,
.form-select:focus,
.search-input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.input-counter {
  position: absolute;
  right: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-md);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* === CONTROLS SECTION === */
.controls-section {
  margin-bottom: var(--space-8);
}

.controls-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.search-container {
  position: relative;
}

.clear-search {
  position: absolute;
  right: var(--space-3);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  opacity: 0;
  visibility: hidden;
}

.clear-search.visible {
  opacity: 1;
  visibility: visible;
}

.clear-search:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.filter-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.filter-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.filter-count {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-full);
  font-size: var(--text-xs);
  min-width: 20px;
  text-align: center;
}

.filter-btn.active .filter-count {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

/* === SORT CONTAINER === */
.sort-container {
  position: relative;
}

.sort-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: var(--font-medium);
  transition: all var(--transition-base);
}

.sort-btn:hover {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-md);
}

.sort-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  min-width: 220px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

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

.sort-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: none;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-base);
}

.sort-option:hover,
.sort-option.active {
  background: var(--bg-secondary);
  color: var(--primary-600);
}

.sort-option:first-child {
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.sort-option:last-child {
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* === TASKS SECTION === */
.tasks-section {
  margin-bottom: var(--space-8);
}

/* === BULK ACTIONS === */
.bulk-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--primary-50);
  border: 1px solid var(--primary-200);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.bulk-actions-bar.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.selection-info {
  font-weight: var(--font-medium);
  color: var(--primary-700);
}

.bulk-buttons {
  display: flex;
  gap: var(--space-2);
}

.bulk-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--primary-300);
  border-radius: var(--border-radius-md);
  background: white;
  color: var(--primary-600);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: all var(--transition-base);
}

.bulk-btn:hover {
  background: var(--primary-600);
  color: white;
}

/* === TASK LIST === */
.task-list-container {
  position: relative;
}

.drag-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  opacity: 0;
  transition: all var(--transition-base);
}

.drag-info.show {
  opacity: 1;
}

.task-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  cursor: grab;
  position: relative;
  overflow: hidden;
}

.task-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary-500);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.task-item:hover::before {
  transform: scaleY(1);
}

.task-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.task-item.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
  cursor: grabbing;
}

.task-item.drag-over {
  border-color: var(--primary-500);
  background: var(--primary-50);
}

.task-item.completed {
  opacity: 0.7;
  background: var(--bg-secondary);
}

.task-item.completed .task-text {
  text-decoration: line-through;
  color: var(--text-secondary);
}

/* Priority indicators */
.task-item.priority-high::before { background: var(--error-500); }
.task-item.priority-medium::before { background: var(--warning-500); }
.task-item.priority-low::before { background: var(--success-500); }

/* === TASK CONTENT === */
.task-checkbox {
  position: relative;
  margin-right: var(--space-2);
}

.task-checkbox input[type="checkbox"] {
  opacity: 0;
  position: absolute;
}

.checkbox-custom {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-primary);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkbox-custom::after {
  content: '✓';
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-base);
}

.task-checkbox input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--success-500);
  border-color: var(--success-500);
}

.task-checkbox input[type="checkbox"]:checked + .checkbox-custom::after {
  opacity: 1;
  transform: scale(1);
}

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

.task-text {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-1);
  word-break: break-word;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.task-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.task-category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-md);
  font-size: var(--text-xs);
}

.task-due-date {
  color: var(--warning-600);
}

.task-due-date.overdue {
  color: var(--error-600);
  font-weight: var(--font-semibold);
}

.task-actions {
  display: flex;
  gap: var(--space-2);
  opacity: 0;
  transition: all var(--transition-base);
}

.task-item:hover .task-actions {
  opacity: 1;
}

.task-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.task-action-btn:hover {
  background: var(--primary-500);
  color: white;
  transform: scale(1.1);
}

.task-action-btn.delete:hover {
  background: var(--error-500);
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.empty-state.show {
  opacity: 1;
  visibility: visible;
}

.empty-icon {
  font-size: 4rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

/* === SMART FEATURES === */
.smart-features {
  margin-top: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.feature-content h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.feature-content p {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

/* === MODALS === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-2xl);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  transform: scale(0.9);
  transition: all var(--transition-base);
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-large {
  max-width: 900px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-close {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--border-radius-lg);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--error-500);
  color: white;
}

.modal-body {
  padding: var(--space-6);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* === FORM ELEMENTS === */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: var(--text-base);
  resize: vertical;
  min-height: 80px;
  transition: all var(--transition-base);
}

.form-textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px var(--primary-100);
}

/* === STATISTICS MODAL === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  padding: var(--space-6);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 1px solid var(--border-color);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.stat-card .stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary-600);
}

.chart-container {
  height: 300px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

/* === NOTIFICATIONS === */
.notification-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
}

.notification {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: all var(--transition-base);
}

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

.notification.success {
  border-color: var(--success-300);
  background: var(--success-50);
  color: var(--success-700);
}

.notification.error {
  border-color: var(--error-300);
  background: var(--error-50);
  color: var(--error-700);
}

.notification.info {
  border-color: var(--primary-300);
  background: var(--primary-50);
  color: var(--primary-700);
}

.notification.warning {
  border-color: var(--warning-300);
  background: var(--warning-50);
  color: var(--warning-700);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .app-container {
    padding: var(--space-16) var(--space-4) var(--space-8);
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .quick-stats {
    width: 100%;
    justify-content: space-between;
  }
  
  .stat-item {
    flex: 1;
    min-width: 0;
  }
  
  .controls-wrapper {
    gap: var(--space-3);
  }
  
  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .input-row.expanded {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .bulk-actions-bar {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
  
  .task-item {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
  
  .task-actions {
    opacity: 1;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .theme-toggle,
  .back-button {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    margin-bottom: var(--space-4);
  }
  
  .app-container {
    padding-top: var(--space-8);
  }
  
  .app-branding {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .notification-container {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
  }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .glass {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
  }
  
  .task-item {
    border-width: 2px;
  }
}