/* ============================================
   TASKFLOW WORKSPACE - NOTION-LIKE STYLES
   ============================================ */

/* -------- WORKSPACE LAYOUT -------- */
.workspace-body {
  background: var(--gray-50);
  min-height: 100vh;
  overflow-x: hidden;
}

.workspace-layout {
  display: flex;
  min-height: calc(100vh - 64px);
  margin-top: 64px;
}

/* -------- WORKSPACE HEADER -------- */
.workspace-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
}

.workspace-header-left,
.workspace-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.workspace-header-left .logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.workspace-header-left .logo h1 {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.workspace-header-left .logo i {
  font-size: 1.5rem;
  color: var(--primary);
}

.back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  color: var(--gray-600);
  transition: var(--transition);
}

.back-btn:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.workspace-header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.workspace-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
  padding: 8px 16px;
  border-radius: var(--radius);
  min-width: 200px;
  text-align: center;
  transition: var(--transition);
  outline: none;
}

.workspace-title:hover,
.workspace-title:focus {
  background: var(--gray-100);
}

.workspace-title:empty::before {
  content: attr(data-placeholder);
  color: var(--gray-400);
}

.header-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--gray-600);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.header-action-btn:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  cursor: pointer;
}

/* -------- SIDEBAR -------- */
.workspace-sidebar {
  width: 280px;
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  padding: 24px 16px;
  overflow-y: auto;
  flex-shrink: 0;
  transition: var(--transition);
}

.sidebar-section {
  margin-bottom: 28px;
}

.sidebar-section h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  padding: 0 12px;
}

.sidebar-section h4 i {
  font-size: 0.8rem;
}

.sidebar-list {
  list-style: none;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
}

.sidebar-item:hover {
  background: var(--gray-100);
}

.sidebar-item.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  color: var(--primary);
  font-weight: 500;
}

.sidebar-item i {
  width: 20px;
  text-align: center;
}

.sidebar-item .item-count {
  margin-left: auto;
  background: var(--gray-200);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
}

.sidebar-item.active .item-count {
  background: var(--primary);
  color: white;
}

.add-project-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 2px dashed var(--gray-300);
  background: transparent;
  border-radius: var(--radius);
  color: var(--gray-500);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 8px;
}

.add-project-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

/* Tags in Sidebar */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tag:hover {
  transform: translateY(-2px);
}

.tag-urgent {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.tag-feature {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.tag-bug {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.tag-idea {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

/* Sidebar Stats */
.sidebar-stats {
  background: var(--gray-50);
  padding: 16px;
  border-radius: var(--radius);
  margin: 0 -4px;
}

.sidebar-stats h4 {
  padding: 0;
  margin-bottom: 16px;
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-600);
}

.stat-value {
  font-weight: 600;
  color: var(--primary);
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-left: 12px;
}

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

/* -------- MAIN CONTENT -------- */
.workspace-main {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
}

/* Controls Bar */
.workspace-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.view-toggle {
  display: flex;
  background: var(--white);
  border-radius: var(--radius);
  padding: 4px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--gray-500);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.view-btn:hover {
  color: var(--primary);
}

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

.workspace-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  min-width: 250px;
}

.search-box i {
  color: var(--gray-400);
}

.search-box input {
  border: none;
  outline: none;
  font-size: 0.9rem;
  background: transparent;
  flex: 1;
}

.filter-dropdown,
.sort-dropdown {
  position: relative;
}

.filter-toggle-btn,
.sort-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  color: var(--gray-700);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-toggle-btn:hover,
.sort-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-menu,
.sort-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  min-width: 180px;
  display: none;
  z-index: 100;
}

.filter-dropdown:hover .filter-menu,
.sort-dropdown:hover .sort-menu {
  display: block;
}

.filter-menu label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.filter-menu label:hover {
  background: var(--gray-50);
}

.sort-menu button {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: transparent;
  text-align: left;
  font-size: 0.9rem;
  color: var(--gray-700);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.sort-menu button:hover {
  background: var(--gray-50);
  color: var(--primary);
}

/* -------- QUICK ADD SECTION -------- */
.quick-add-section {
  position: relative;
  margin-bottom: 32px;
}

.quick-add-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: var(--transition);
}

.quick-add-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), var(--shadow-md);
}

.quick-add-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border: none;
  border-radius: var(--radius);
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.quick-add-icon:hover {
  transform: scale(1.05);
}

#quickTaskInput {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--gray-800);
  background: transparent;
}

#quickTaskInput::placeholder {
  color: var(--gray-400);
}

.quick-add-options {
  display: flex;
  gap: 4px;
}

.option-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.option-btn:hover {
  background: var(--gray-200);
  color: var(--primary);
}

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

.quick-add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--gradient);
  border: none;
  border-radius: var(--radius);
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.quick-add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Pickers */
.priority-picker,
.date-picker {
  position: absolute;
  top: 100%;
  left: 150px;
  margin-top: 8px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  z-index: 100;
}

.priority-picker.hidden,
.date-picker.hidden {
  display: none;
}

.priority-option,
.date-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: transparent;
  font-size: 0.9rem;
  color: var(--gray-700);
  cursor: pointer;
  border-radius: var(--radius-sm);
  text-align: left;
}

.priority-option:hover,
.date-option:hover {
  background: var(--gray-50);
}

.custom-date-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-top: 8px;
  font-size: 0.9rem;
}

/* -------- TASK VIEWS -------- */
.task-view {
  display: none;
}

.task-view.active {
  display: block;
}

/* List View */
.task-group {
  margin-bottom: 24px;
}

.group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
}

.group-header i:first-child {
  color: var(--gray-400);
  transition: var(--transition);
}

.group-header.collapsed i:first-child {
  transform: rotate(-90deg);
}

.group-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 10px;
}

.group-header h3 i {
  color: var(--primary);
}

.group-count {
  margin-left: auto;
  background: var(--gray-200);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-600);
}

.task-list {
  list-style: none;
  padding-left: 16px;
}

.task-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid transparent;
}

.task-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.task-list li.priority-urgent {
  border-left-color: #ef4444;
}

.task-list li.priority-high {
  border-left-color: #f59e0b;
}

.task-list li.priority-medium {
  border-left-color: #3b82f6;
}

.task-list li.priority-low {
  border-left-color: #6b7280;
}

.task-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--gray-300);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.task-checkbox:hover {
  border-color: var(--primary);
}

.task-checkbox.checked {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.task-checkbox.checked::after {
  content: '✓';
  font-size: 0.75rem;
}

.task-content {
  flex: 1;
}

.task-title {
  font-size: 0.95rem;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.task-list li.completed .task-title {
  text-decoration: line-through;
  color: var(--gray-400);
}

.task-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.task-meta i {
  margin-right: 4px;
}

.task-due.overdue {
  color: var(--danger);
}

.task-actions {
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: var(--transition);
}

.task-list li:hover .task-actions {
  opacity: 1;
}

.task-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

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

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

/* Completed Group */
.completed-group .task-list li {
  opacity: 0.7;
}

/* -------- BOARD VIEW (Kanban) -------- */
.kanban-board {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.kanban-column {
  flex: 0 0 300px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.column-header h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
}

.column-header h4 i {
  font-size: 0.6rem;
}

.column-count {
  background: var(--white);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-600);
}

.column-tasks {
  min-height: 100px;
}

.kanban-card {
  background: var(--white);
  padding: 16px;
  border-radius: var(--radius);
  margin-bottom: 12px;
  cursor: grab;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.kanban-card:active {
  cursor: grabbing;
}

.kanban-card-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 10px;
}

.kanban-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.kanban-card-tags {
  display: flex;
  gap: 6px;
}

.kanban-card-tag {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
}

.add-card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 2px dashed var(--gray-300);
  background: transparent;
  border-radius: var(--radius);
  color: var(--gray-500);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.add-card-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* -------- CALENDAR VIEW -------- */
.calendar-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.calendar-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  min-width: 180px;
}

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--white);
  border-radius: var(--radius);
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.calendar-nav:hover {
  background: var(--primary);
  color: white;
}

.today-btn {
  margin-left: auto;
  padding: 8px 16px;
  background: var(--gradient);
  border: none;
  border-radius: var(--radius);
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.today-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.calendar-grid {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.calendar-weekdays span {
  padding: 16px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.calendar-day {
  min-height: 100px;
  padding: 12px;
  border-right: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: var(--transition);
}

.calendar-day:nth-child(7n) {
  border-right: none;
}

.calendar-day:hover {
  background: var(--gray-50);
}

.calendar-day.today {
  background: rgba(99, 102, 241, 0.05);
}

.calendar-day.other-month {
  opacity: 0.4;
}

.day-number {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.calendar-day.today .day-number {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-task {
  padding: 4px 8px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* -------- TASK DETAIL PANEL -------- */
.task-detail-panel {
  width: 400px;
  background: var(--white);
  border-left: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition);
}

.task-detail-panel.hidden {
  display: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.panel-header h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
}

.close-panel-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.close-panel-btn:hover {
  background: var(--gray-200);
  color: var(--gray-700);
}

.panel-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

.detail-section {
  margin-bottom: 24px;
}

.detail-section label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 10px;
}

.detail-section label i {
  color: var(--gray-400);
}

.task-title-input {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 2px solid var(--gray-200);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  outline: none;
  transition: var(--transition);
}

.task-title-input:focus {
  border-color: var(--primary);
}

.detail-section textarea {
  width: 100%;
  min-height: 100px;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  outline: none;
  transition: var(--transition);
}

.detail-section textarea:focus {
  border-color: var(--primary);
}

.detail-section select,
.detail-section input[type="date"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--gray-700);
  outline: none;
  cursor: pointer;
}

.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Tags Input */
.tags-input-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.selected-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.selected-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
}

.selected-tag i {
  cursor: pointer;
}

#tagInput {
  flex: 1;
  min-width: 100px;
  border: none;
  outline: none;
  font-size: 0.9rem;
}

/* Subtasks */
.subtask-list {
  list-style: none;
  margin-bottom: 12px;
}

.subtask-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.subtask-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.subtask-item span {
  flex: 1;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.subtask-item.completed span {
  text-decoration: line-through;
  color: var(--gray-400);
}

.add-subtask {
  display: flex;
  gap: 10px;
}

.add-subtask input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  outline: none;
}

.add-subtask button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  border: none;
  border-radius: var(--radius);
  color: white;
  cursor: pointer;
  transition: var(--transition);
}

.add-subtask button:hover {
  background: var(--primary-dark);
}

/* Notes Editor */
.notes-editor {
  min-height: 150px;
  padding: 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.6;
  outline: none;
}

.notes-editor:focus {
  border-color: var(--primary);
}

.notes-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--gray-400);
}

/* Panel Footer */
.panel-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
  margin-top: 20px;
}

.delete-task-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(239, 68, 68, 0.1);
  border: none;
  border-radius: var(--radius);
  color: var(--danger);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.delete-task-btn:hover {
  background: var(--danger);
  color: white;
}

.created-date {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* -------- MODALS -------- */
.modal {
  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: 2000;
  opacity: 1;
  transition: var(--transition);
}

.modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
}

.search-modal {
  max-width: 600px;
}

.search-modal-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.search-modal-header i {
  color: var(--gray-400);
  font-size: 1.1rem;
}

.search-modal-header input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.1rem;
}

.close-modal {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  border-radius: var(--radius);
  cursor: pointer;
}

.close-modal:hover {
  background: var(--gray-200);
}

.search-results {
  padding: 20px 24px;
  max-height: 400px;
  overflow-y: auto;
}

.search-hint {
  text-align: center;
  color: var(--gray-400);
  padding: 40px 0;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.search-result-item:hover {
  background: var(--gray-50);
}

.search-result-item i {
  color: var(--primary);
}

/* Project Modal */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
}

.modal-header h3 i {
  color: var(--primary);
}

.modal-body {
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 10px;
}

.form-group input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-group input[type="text"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.icon-picker,
.color-picker {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.icon-option {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
  color: var(--gray-600);
}

.icon-option:hover,
.icon-option.active {
  border-color: var(--primary);
  color: var(--primary);
}

.color-option {
  width: 36px;
  height: 36px;
  border: 3px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.color-option:hover,
.color-option.active {
  transform: scale(1.1);
  border-color: var(--gray-800);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

/* -------- DARK MODE -------- */
body.dark.workspace-body {
  background: var(--gray-900);
}

body.dark .workspace-header {
  background: rgba(17, 24, 39, 0.95);
  border-color: var(--gray-700);
}

body.dark .workspace-title {
  color: var(--gray-100);
}

body.dark .workspace-title:hover,
body.dark .workspace-title:focus {
  background: var(--gray-800);
}

body.dark .workspace-sidebar {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

body.dark .sidebar-item {
  color: var(--gray-300);
}

body.dark .sidebar-item:hover {
  background: var(--gray-700);
}

body.dark .sidebar-item.active {
  background: rgba(99, 102, 241, 0.2);
}

body.dark .sidebar-stats {
  background: var(--gray-700);
}

body.dark .view-toggle,
body.dark .search-box,
body.dark .filter-toggle-btn,
body.dark .sort-toggle-btn {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

body.dark .search-box input {
  color: var(--gray-100);
}

body.dark .quick-add-wrapper {
  background: var(--gray-800);
}

body.dark #quickTaskInput {
  color: var(--gray-100);
}

body.dark .group-header {
  background: var(--gray-800);
}

body.dark .group-header h3 {
  color: var(--gray-100);
}

body.dark .task-list li {
  background: var(--gray-800);
}

body.dark .task-title {
  color: var(--gray-100);
}

body.dark .kanban-column {
  background: var(--gray-800);
}

body.dark .kanban-card {
  background: var(--gray-700);
}

body.dark .kanban-card-title {
  color: var(--gray-100);
}

body.dark .calendar-grid {
  background: var(--gray-800);
}

body.dark .calendar-weekdays {
  background: var(--gray-700);
}

body.dark .calendar-day {
  border-color: var(--gray-700);
}

body.dark .day-number {
  color: var(--gray-100);
}

body.dark .task-detail-panel {
  background: var(--gray-800);
  border-color: var(--gray-700);
}

body.dark .panel-header {
  border-color: var(--gray-700);
}

body.dark .panel-header h3 {
  color: var(--gray-100);
}

body.dark .task-title-input {
  color: var(--gray-100);
  border-color: var(--gray-600);
  background: transparent;
}

body.dark .detail-section textarea,
body.dark .detail-section select,
body.dark .detail-section input,
body.dark .notes-editor,
body.dark .tags-input-wrapper {
  background: var(--gray-700);
  border-color: var(--gray-600);
  color: var(--gray-100);
}

body.dark .modal-content {
  background: var(--gray-800);
}

body.dark .modal-header,
body.dark .modal-footer {
  border-color: var(--gray-700);
}

body.dark .modal-footer {
  background: var(--gray-700);
}

body.dark .modal-header h3 {
  color: var(--gray-100);
}

body.dark .form-group label {
  color: var(--gray-300);
}

body.dark .form-group input[type="text"] {
  background: var(--gray-700);
  border-color: var(--gray-600);
  color: var(--gray-100);
}

/* -------- RESPONSIVE -------- */
@media (max-width: 1024px) {
  .workspace-sidebar {
    position: fixed;
    left: -280px;
    top: 64px;
    bottom: 0;
    z-index: 500;
    box-shadow: var(--shadow-xl);
  }

  .workspace-sidebar.open {
    left: 0;
  }

  .task-detail-panel {
    position: fixed;
    right: -400px;
    top: 64px;
    bottom: 0;
    z-index: 500;
    box-shadow: var(--shadow-xl);
  }

  .task-detail-panel:not(.hidden) {
    right: 0;
  }
}

@media (max-width: 768px) {
  .workspace-header {
    padding: 0 16px;
  }

  .workspace-header-center {
    display: none;
  }

  .workspace-main {
    padding: 16px;
  }

  .workspace-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .workspace-actions {
    flex-wrap: wrap;
  }

  .search-box {
    min-width: 100%;
  }

  .kanban-board {
    flex-direction: column;
  }

  .kanban-column {
    flex: none;
    width: 100%;
  }

  .detail-row {
    grid-template-columns: 1fr;
  }

  .task-detail-panel {
    width: 100%;
    right: -100%;
  }
}