.gantt-container {
  width: 100%;
  height: 650px;
  background: rgb(var(--v-theme-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 12px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: rgb(var(--v-theme-on-surface));
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
}

.gantt-toolbar {
  padding: 16px 20px;
  background: rgb(var(--v-theme-surface));
  border-bottom: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  display: flex;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  gap: 8px;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-primary {
  background: rgb(var(--v-theme-primary));
  color: rgb(var(--v-theme-on-primary));
  box-shadow: 0 2px 4px rgba(var(--v-theme-primary), 0.3);
}

.btn-primary:hover {
  background: rgba(var(--v-theme-primary), 0.8);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(var(--v-theme-primary), 0.4);
}

.btn-danger {
  background: rgb(var(--v-theme-error));
  color: rgb(var(--v-theme-on-error));
  box-shadow: 0 2px 4px rgba(var(--v-theme-error), 0.3);
}

.btn-danger:hover {
  background: rgba(var(--v-theme-error), 0.8);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(var(--v-theme-error), 0.4);
}

.btn-success {
  background: rgb(var(--v-theme-success));
  color: rgb(var(--v-theme-on-success));
  box-shadow: 0 2px 4px rgba(var(--v-theme-success), 0.3);
}

.btn-success:hover {
  background: rgba(var(--v-theme-success), 0.8);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(var(--v-theme-success), 0.4);
}

.btn-secondary {
  background: rgba(var(--v-theme-on-surface), 0.05);
  color: rgb(var(--v-theme-on-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.btn-secondary:hover {
  background: rgba(var(--v-theme-on-surface), 0.1);
  border-color: rgba(var(--v-border-color), 0.5);
  transform: translateY(-1px);
}

.gantt-chart {
  height: calc(100% - 77px);
  min-height: 500px;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: modalOverlayFadeIn 0.3s ease;
}

@keyframes modalOverlayFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-container {
  background: rgb(var(--v-theme-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow: hidden;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  background: rgb(var(--v-theme-surface));
}

.modal-title {
  display: flex;
  align-items: center;
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: rgb(var(--v-theme-on-surface));
}

.modal-icon {
  margin-right: 10px;
  flex-shrink: 0;
  padding: 4px;
  border-radius: 4px;
}

.delete-icon {
  color: rgb(var(--v-theme-error));
  background: rgba(var(--v-theme-error), 0.1);
}

.edit-icon {
  color: rgb(var(--v-theme-primary));
  background: rgba(var(--v-theme-primary), 0.1);
}

.add-icon {
  color: rgb(var(--v-theme-success));
  background: rgba(var(--v-theme-success), 0.1);
}

.modal-close {
  background: rgba(var(--v-theme-on-surface), 0.05);
  border: none;
  font-size: 18px;
  color: rgb(var(--v-theme-on-surface));
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: rgba(var(--v-theme-on-surface), 0.1);
  color: rgb(var(--v-theme-error));
}

.modal-body {
  padding: 24px;
  background: rgb(var(--v-theme-surface));
}

.modal-message {
  font-size: 15px;
  color: rgb(var(--v-theme-on-surface));
  margin: 0 0 8px 0;
  line-height: 1.5;
}

.modal-warning {
  font-size: 13px;
  color: rgba(var(--v-theme-on-surface), 0.6);
  margin: 0;
  font-style: italic;
}

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

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: rgb(var(--v-theme-on-surface));
  font-size: 13px;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 6px;
  font-size: 14px;
  color: rgb(var(--v-theme-on-surface));
  background: rgb(var(--v-theme-surface));
  transition: all 0.2s ease;
  box-sizing: border-box;
}

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

.form-input:invalid {
  border-color: rgb(var(--v-theme-error));
  box-shadow: 0 0 0 2px rgba(var(--v-theme-error), 0.2);
}

.progress-input-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-range {
  flex: 1;
  height: 4px;
  background: rgba(var(--v-theme-on-surface), 0.1);
  border-radius: 2px;
  outline: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: rgb(var(--v-theme-primary));
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid rgb(var(--v-theme-surface));
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.form-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: rgb(var(--v-theme-primary));
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid rgb(var(--v-theme-surface));
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.progress-value {
  min-width: 40px;
  text-align: right;
  font-weight: 600;
  color: rgb(var(--v-theme-primary));
  font-size: 12px;
  padding: 2px 6px;
  background: rgba(var(--v-theme-primary), 0.1);
  border-radius: 4px;
}

.modal-footer {
  padding: 16px 24px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  background: rgb(var(--v-theme-surface));
  border-top: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  min-width: 300px;
  background: rgb(var(--v-theme-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  z-index: 10001;
  animation: notificationSlideIn 0.3s ease;
}

@keyframes notificationSlideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.notification-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
}

.notification-message {
  font-size: 14px;
  color: rgb(var(--v-theme-on-surface));
  font-weight: 500;
}

.notification-close {
  background: none;
  border: none;
  font-size: 16px;
  color: rgba(var(--v-theme-on-surface), 0.6);
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.notification-close:hover {
  background: rgba(var(--v-theme-on-surface), 0.1);
  color: rgb(var(--v-theme-on-surface));
}

.notification-success {
  border-left: 3px solid rgb(var(--v-theme-success));
}

.notification-error {
  border-left: 3px solid rgb(var(--v-theme-error));
}

.notification-warning {
  border-left: 3px solid rgb(var(--v-theme-warning));
}

.notification-info {
  border-left: 3px solid rgb(var(--v-theme-info));
}

.gantt-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.gantt_container {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  background: rgb(var(--v-theme-surface));
  color: rgb(var(--v-theme-on-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 12px;
  overflow: hidden;
}

.gantt_layout_content {
  background: rgb(var(--v-theme-surface)) !important;
  color: rgb(var(--v-theme-on-surface)) !important;
}

.gantt_grid_head_cell,
.gantt_grid_data .gantt_cell {
  border-right: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-bottom: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.gantt_grid_head_cell {
  background: rgb(var(--v-theme-surface));
  font-weight: 600;
  text-align: center;
  padding: 12px 10px;
  color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity));
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gantt_cell {
  padding: 10px 12px;
  vertical-align: middle;
  line-height: 1.4;
  color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity));
  background: inherit;
}

.gantt_tree_content {
  padding-left: 6px;
  color: rgb(var(--v-theme-on-surface));
  font-weight: 500;
}

.gantt_tree_icon {
  width: 14px;
  height: 14px;
  margin-right: 6px;
  opacity: 0.6;
  color: rgb(var(--v-theme-on-surface));
  transition: transform 0.2s ease;
}

.gantt_tree_icon:hover {
  transform: scale(1.1);
}

.gantt_task_line.completed-task {
  background: rgb(var(--v-theme-success));
  border: 1px solid rgba(var(--v-theme-success), 0.8);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(var(--v-theme-success), 0.3);
  transition: transform 0.2s ease;
}

.gantt_task_line.completed-task:hover {
  transform: translateY(-1px);
}

.gantt_task_line.high-progress-task {
  background: rgb(var(--v-theme-primary));
  border: 1px solid rgba(var(--v-theme-primary), 0.8);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(var(--v-theme-primary), 0.3);
  transition: transform 0.2s ease;
}

.gantt_task_line.high-progress-task:hover {
  transform: translateY(-1px);
}

.gantt_task_line.medium-progress-task {
  background: rgb(var(--v-theme-warning));
  border: 1px solid rgba(var(--v-theme-warning), 0.8);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(var(--v-theme-warning), 0.3);
  transition: transform 0.2s ease;
}

.gantt_task_line.medium-progress-task:hover {
  transform: translateY(-1px);
}

.gantt_task_line.low-progress-task {
  background: rgb(var(--v-theme-error));
  border: 1px solid rgba(var(--v-theme-error), 0.8);
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(var(--v-theme-error), 0.3);
  transition: transform 0.2s ease;
}

.gantt_task_line.low-progress-task:hover {
  transform: translateY(-1px);
}

.summary-row {
  background: rgba(var(--v-theme-primary), 0.1);
  font-weight: 600;
  color: rgb(var(--v-theme-on-surface));
  border-left: 3px solid rgb(var(--v-theme-primary));
}

.gantt_task_progress {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.gantt_scale_cell {
  border-bottom: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-right: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  background: rgb(var(--v-theme-surface));
  font-weight: 500;
  color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity));
  font-size: 11px;
  text-align: center;
}

.gantt_task_line {
  border-radius: 4px;
  height: 20px;
  transition: all 0.2s ease;
}

.gantt_task_line:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.gantt_side_content {
  color: rgba(var(--v-theme-on-surface), 0.6);
  font-size: 11px;
  margin-top: 2px;
  font-weight: 500;
}

.completed-mark {
  color: rgb(var(--v-theme-success));
  font-weight: bold;
  font-size: 12px;
}

.gantt_grid_data .gantt_row {
  background: rgb(var(--v-theme-surface));
  transition: background-color 0.2s ease;
}

.gantt_grid_data .gantt_row.gantt_row_odd {
  background: rgba(var(--v-theme-on-surface), 0.02);
}

.gantt_grid_data .gantt_row:hover {
  background: rgba(var(--v-theme-primary), 0.08) !important;
}

.gantt_row:hover {
  background: rgba(var(--v-theme-primary), 0.08) !important;
}

.gantt_row_task:hover {
  background: rgba(var(--v-theme-primary), 0.08) !important;
}

.gantt_row.gantt_row_odd:hover {
  background: rgba(var(--v-theme-primary), 0.1) !important;
}

.gantt_row:hover .gantt_cell {
  background: inherit !important;
}

.gantt_row:hover .gantt_tree_content {
  color: rgb(var(--v-theme-on-surface)) !important;
}

.gantt_selected .gantt_cell {
  background: rgba(var(--v-theme-primary), 0.12) !important;
  color: rgb(var(--v-theme-on-surface)) !important;
  border-left: 3px solid rgb(var(--v-theme-primary)) !important;
}

.gantt_row_task.gantt_selected {
  background: rgba(var(--v-theme-primary), 0.12) !important;
}

.gantt_row.gantt_selected {
  background: rgba(var(--v-theme-primary), 0.12) !important;
}

.gantt_row.gantt_selected .gantt_tree_content {
  color: rgb(var(--v-theme-on-surface)) !important;
  font-weight: 600;
}

.gantt_row.gantt_selected.gantt_row_odd {
  background: rgba(var(--v-theme-primary), 0.15) !important;
}

.gantt_selected {
  background: rgba(var(--v-theme-primary), 0.12) !important;
}

.gantt_task_link {
  stroke: rgba(var(--v-theme-on-surface), 0.4);
  stroke-width: 1.5;
}

.gantt_task_link .gantt_link_arrow {
  fill: rgba(var(--v-theme-on-surface), 0.4);
}

.gantt_milestone {
  background: rgb(var(--v-theme-secondary));
  border: 2px solid rgba(var(--v-theme-secondary), 0.8);
  box-shadow: 0 1px 3px rgba(var(--v-theme-secondary), 0.3);
}

.gantt-context-menu {
  background: rgb(var(--v-theme-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  padding: 6px;
  min-width: 180px;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  z-index: 9999;
  animation: contextMenuFadeIn 0.2s ease;
}

@keyframes contextMenuFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.context-menu-item {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  cursor: pointer;
  color: rgb(var(--v-theme-on-surface));
  transition: all 0.1s ease;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.4;
  user-select: none;
}

.context-menu-item:hover {
  background: rgba(var(--v-theme-primary), 0.1);
  transform: translateX(2px);
}

.context-menu-item:active {
  background: rgba(var(--v-theme-primary), 0.15);
}

.menu-icon {
  margin-right: 8px;
  opacity: 0.6;
  flex-shrink: 0;
  color: rgb(var(--v-theme-on-surface));
}

.context-menu-separator {
  height: 1px;
  background: rgba(var(--v-border-color), var(--v-border-opacity));
  margin: 4px 0;
}

.gantt_layout_root {
  background: rgb(var(--v-theme-surface));
}

.gantt_layout_root .gantt_layout_cell {
  background: rgb(var(--v-theme-surface));
}

.gantt_grid_scale .gantt_scale_line {
  background: rgb(var(--v-theme-surface));
  border-bottom: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.gantt_scale_line {
  color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity));
}

.gantt_task_content {
  color: rgb(var(--v-theme-on-primary));
  font-weight: 500;
  font-size: 12px;
}

.gantt_tooltip {
  background: rgb(var(--v-theme-surface));
  color: rgb(var(--v-theme-on-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: 8px 12px;
  font-size: 12px;
}

.gantt_grid {
  background: rgb(var(--v-theme-surface));
}

.gantt_grid_scale {
  background: rgb(var(--v-theme-surface));
}

.gantt_task_bg {
  background: rgba(var(--v-theme-on-surface), 0.05);
}

.gantt_task_bg .gantt_task_row {
  background: rgb(var(--v-theme-surface)) !important;
}

.gantt_task_bg .gantt_task_row.odd {
  background: rgba(var(--v-theme-on-surface), 0.02) !important;
}

.gantt_task_bg .gantt_task_cell {
  background: inherit;
  border-right: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.gantt_data_area {
  background: rgb(var(--v-theme-surface));
}

.gantt_task_scale {
  background: rgb(var(--v-theme-surface)) !important;
}

.gantt_hor_scroll {
  background: rgb(var(--v-theme-surface));
}

.gantt_ver_scroll {
  background: rgb(var(--v-theme-surface));
}

.gantt_hor_scroll .gantt_scroll_hor {
  background: rgba(var(--v-theme-on-surface), 0.2);
}

.gantt_ver_scroll .gantt_scroll_ver {
  background: rgba(var(--v-theme-on-surface), 0.2);
}

.gantt_hor_scroll .gantt_scroll_hor:hover,
.gantt_ver_scroll .gantt_scroll_ver:hover {
  background: rgba(var(--v-theme-on-surface), 0.4);
}

.gantt_task_scale .gantt_scale_line {
  background: rgb(var(--v-theme-surface)) !important;
  color: rgb(var(--v-theme-on-surface)) !important;
}

.gantt_task_scale .gantt_scale_cell {
  background: rgb(var(--v-theme-surface)) !important;
  color: rgba(var(--v-theme-on-surface), var(--v-medium-emphasis-opacity)) !important;
  border-color: rgba(var(--v-theme-on-surface), 0.08) !important;
}

.gantt_bars_area {
  background: rgb(var(--v-theme-surface)) !important;
}

.gantt_links_area {
  background: rgb(var(--v-theme-surface)) !important;
}

.gantt_task_link .gantt_link_line_left,
.gantt_task_link .gantt_link_line_right,
.gantt_task_link .gantt_link_line_up,
.gantt_task_link .gantt_link_line_down {
  background: rgba(var(--v-theme-on-surface), 0.4) !important;
}

.gantt_task_link .gantt_link_corner {
  border-color: rgba(var(--v-theme-on-surface), 0.4) !important;
}

.gantt_task_link .gantt_link_arrow:before {
  border-color: rgba(var(--v-theme-on-surface), 0.4) !important;
}

.gantt_modal_box {
  background: rgb(var(--v-theme-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: rgb(var(--v-theme-on-surface));
  animation: modalSlideIn 0.3s ease;
  overflow: hidden;
}

.gantt_popup_text {
  padding: 24px;
  font-size: 15px;
  line-height: 1.5;
  color: rgb(var(--v-theme-on-surface));
  background: rgb(var(--v-theme-surface));
}

.gantt_popup_controls {
  padding: 16px 24px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  background: rgb(var(--v-theme-surface));
  border-top: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.gantt_popup_button {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  user-select: none;
  outline: none;
}

.gantt_ok_button {
  background: rgb(var(--v-theme-primary));
  color: rgb(var(--v-theme-on-primary));
  box-shadow: 0 2px 4px rgba(var(--v-theme-primary), 0.3);
}

.gantt_ok_button:hover {
  background: rgba(var(--v-theme-primary), 0.8);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(var(--v-theme-primary), 0.4);
}

.gantt_cancel_button {
  background: rgba(var(--v-theme-on-surface), 0.05);
  color: rgb(var(--v-theme-on-surface));
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
}

.gantt_cancel_button:hover {
  background: rgba(var(--v-theme-on-surface), 0.1);
  border-color: rgba(var(--v-border-color), 0.5);
  transform: translateY(-1px);
}

.gantt-alert {
  min-width: 400px;
  max-width: 500px;
}

.gantt_popup_button:focus {
  outline: 2px solid rgba(var(--v-theme-primary), 0.3);
  outline-offset: 2px;
}