diff --git a/resources/js/pages/dashboards/gantt.vue b/resources/js/pages/dashboards/gantt.vue
index 619f8b7..489094c 100644
--- a/resources/js/pages/dashboards/gantt.vue
+++ b/resources/js/pages/dashboards/gantt.vue
@@ -780,31 +780,35 @@ onBeforeUnmount(() => {
 .gantt-container {
   width: 100%;
   height: 650px;
-  background: white;
-  border: 1px solid #e5e7eb;
-  border-radius: 8px;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+  background: rgb(var(--v-theme-surface));
+  border: 1px solid rgb(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: 12px 16px;
-  background: #fafbfc;
-  border-bottom: 1px solid #e5e7eb;
+  padding: 16px 20px;
+  background: rgb(var(--v-theme-surface-variant));
+  border-bottom: 1px solid rgb(var(--v-border-color), var(--v-border-opacity));
   display: flex;
-  gap: 8px;
+  gap: 12px;
 }
 
 .btn {
   display: inline-flex;
   align-items: center;
-  padding: 8px 14px;
-  border: 1px solid transparent;
-  border-radius: 6px;
+  padding: 10px 16px;
+  border: none;
+  border-radius: 8px;
   cursor: pointer;
-  font-size: 13px;
+  font-size: 14px;
   font-weight: 500;
-  transition: all 0.15s ease;
-  gap: 6px;
+  transition: all 0.2s ease;
+  gap: 8px;
 }
 
 .btn-icon {
@@ -812,242 +816,57 @@ onBeforeUnmount(() => {
 }
 
 .btn-primary {
-  background: #0969da;
-  color: white;
-  border-color: #0969da;
+  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: #0860ca;
-  border-color: #0860ca;
+  background: rgb(var(--v-theme-primary-darken-1));
+  transform: translateY(-1px);
+  box-shadow: 0 4px 8px rgba(var(--v-theme-primary), 0.4);
 }
 
 .btn-danger {
-  background: #d1242f;
-  color: white;
-  border-color: #d1242f;
+  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: #b91c1c;
-  border-color: #b91c1c;
+  background: rgb(var(--v-theme-error-darken-1));
+  transform: translateY(-1px);
+  box-shadow: 0 4px 8px rgba(var(--v-theme-error), 0.4);
 }
 
 .btn-success {
-  background: #1a7f37;
-  color: white;
-  border-color: #1a7f37;
+  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: #166a2e;
-  border-color: #166a2e;
+  background: rgb(var(--v-theme-success-darken-1));
+  transform: translateY(-1px);
+  box-shadow: 0 4px 8px rgba(var(--v-theme-success), 0.4);
 }
 
 .btn-secondary {
-  background: #f6f8fa;
-  color: #24292f;
-  border-color: #d1d9e0;
+  background: rgb(var(--v-theme-surface-light));
+  color: rgb(var(--v-theme-on-surface-light));
+  border: 1px solid rgb(var(--v-border-color), var(--v-border-opacity));
 }
 
 .btn-secondary:hover {
-  background: #f3f4f6;
-  border-color: #c7d2da;
+  background: rgb(var(--v-theme-grey-200));
+  border-color: rgb(var(--v-theme-grey-400));
+  transform: translateY(-1px);
 }
 
 .gantt-chart {
-  height: calc(100% - 60px);
+  height: calc(100% - 77px);
   min-height: 500px;
 }
-</style>
-
-<style>
-.gantt_container {
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
-  font-size: 13px;
-}
-
-.gantt_grid_head_cell,
-.gantt_grid_data .gantt_cell {
-  border-right: 1px solid #e1e5e9;
-  border-bottom: 1px solid #e1e5e9;
-}
-
-.gantt_grid_head_cell {
-  background: #f6f8fa;
-  font-weight: 600;
-  text-align: center;
-  padding: 10px 8px;
-  color: #24292f;
-  font-size: 11px;
-  text-transform: uppercase;
-  letter-spacing: 0.5px;
-}
-
-.gantt_cell {
-  padding: 8px;
-  vertical-align: middle;
-  line-height: 1.4;
-  color: #24292f;
-}
-
-.gantt_tree_content {
-  padding-left: 4px;
-}
-
-.gantt_tree_icon {
-  width: 14px;
-  height: 14px;
-  margin-right: 4px;
-  opacity: 0.7;
-}
-
-.gantt_task_line.completed-task {
-  background: #1f883d;
-  border: 1px solid #1a7f37;
-  border-radius: 3px;
-}
-
-.gantt_task_line.high-progress-task {
-  background: #0969da;
-  border: 1px solid #0860ca;
-  border-radius: 3px;
-}
-
-.gantt_task_line.medium-progress-task {
-  background: #bf8700;
-  border: 1px solid #9a6700;
-  border-radius: 3px;
-}
-
-.gantt_task_line.low-progress-task {
-  background: #d1242f;
-  border: 1px solid #b91c1c;
-  border-radius: 3px;
-}
-
-.summary-row {
-  background: #f6f8fa;
-  font-weight: 600;
-}
-
-.gantt_task_progress {
-  background: rgba(255, 255, 255, 0.3);
-  border-radius: 2px;
-}
-
-.gantt_scale_cell {
-  border-bottom: 1px solid #e1e5e9;
-  border-right: 1px solid #e1e5e9;
-  background: #f6f8fa;
-  font-weight: 500;
-  color: #24292f;
-  font-size: 11px;
-}
-
-.gantt_task_line {
-  border-radius: 3px;
-  height: 20px;
-}
-
-.gantt_side_content {
-  color: #656d76;
-  font-size: 11px;
-  margin-top: 2px;
-  font-weight: 500;
-}
-
-.completed-mark {
-  color: #1f883d;
-  font-weight: bold;
-  font-size: 12px;
-}
-
-.gantt_grid_data .gantt_row:nth-child(odd) {
-  background: #fafbfc;
-}
-
-.gantt_grid_data .gantt_row:hover {
-  background: #f3f4f6;
-}
-
-.gantt_selected .gantt_cell {
-  background: #ddf4ff;
-  color: #24292f;
-}
-
-.gantt_task_link {
-  stroke: #656d76;
-  stroke-width: 1.5;
-}
-
-.gantt_task_link .gantt_link_arrow {
-  fill: #656d76;
-}
-
-.gantt_milestone {
-  background: #8250df;
-  border: 2px solid #6f42c1;
-}
-
-.gantt-context-menu {
-  background: #ffffff;
-  border: 1px solid #d1d9e0;
-  border-radius: 6px;
-  box-shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
-  padding: 4px;
-  min-width: 180px;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
-  font-size: 13px;
-  z-index: 9999;
-  animation: contextMenuFadeIn 0.15s ease-out;
-}
-
-@keyframes contextMenuFadeIn {
-  from {
-    opacity: 0;
-    transform: scale(0.95);
-  }
-
-  to {
-    opacity: 1;
-    transform: scale(1);
-  }
-}
-
-.context-menu-item {
-  display: flex;
-  align-items: center;
-  padding: 6px 8px;
-  cursor: pointer;
-  color: #24292f;
-  transition: background-color 0.1s ease;
-  border-radius: 3px;
-  font-size: 13px;
-  line-height: 1.4;
-  user-select: none;
-}
-
-.context-menu-item:hover {
-  background: #f3f4f6;
-}
-
-.context-menu-item:active {
-  background: #eaeef2;
-}
-
-.menu-icon {
-  margin-right: 8px;
-  opacity: 0.8;
-  flex-shrink: 0;
-  color: #656d76;
-}
-
-.context-menu-separator {
-  height: 1px;
-  background: #d1d9e0;
-  margin: 4px 0;
-}
 
 .modal-overlay {
   position: fixed;
@@ -1055,43 +874,41 @@ onBeforeUnmount(() => {
   left: 0;
   width: 100%;
   height: 100%;
-  background: rgba(31, 35, 40, 0.5);
-  backdrop-filter: blur(3px);
+  background: rgba(0, 0, 0, 0.5);
+  backdrop-filter: blur(4px);
   display: flex;
   align-items: center;
   justify-content: center;
   z-index: 10000;
-  animation: modalOverlayFadeIn 0.2s ease-out;
+  animation: modalOverlayFadeIn 0.3s ease;
 }
 
 @keyframes modalOverlayFadeIn {
   from {
     opacity: 0;
   }
-
   to {
     opacity: 1;
   }
 }
 
 .modal-container {
-  background: #ffffff;
-  border: 1px solid #d1d9e0;
-  border-radius: 8px;
-  box-shadow: 0 16px 32px rgba(31, 35, 40, 0.15);
+  background: rgb(var(--v-theme-surface));
+  border: 1px solid rgb(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: 480px;
+  max-width: 520px;
   max-height: 80vh;
   overflow: hidden;
-  animation: modalSlideIn 0.2s ease-out;
+  animation: modalSlideIn 0.3s ease;
 }
 
 @keyframes modalSlideIn {
   from {
     opacity: 0;
-    transform: translateY(-16px) scale(0.98);
+    transform: translateY(-20px) scale(0.95);
   }
-
   to {
     opacity: 1;
     transform: translateY(0) scale(1);
@@ -1102,124 +919,132 @@ onBeforeUnmount(() => {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 16px 20px;
-  border-bottom: 1px solid #d1d9e0;
-  background: #f6f8fa;
+  padding: 20px 24px;
+  border-bottom: 1px solid rgb(var(--v-border-color), var(--v-border-opacity));
+  background: rgb(var(--v-theme-surface-variant));
 }
 
 .modal-title {
   display: flex;
   align-items: center;
   margin: 0;
-  font-size: 16px;
+  font-size: 18px;
   font-weight: 600;
-  color: #24292f;
+  color: rgb(var(--v-theme-on-surface));
 }
 
 .modal-icon {
-  margin-right: 8px;
+  margin-right: 10px;
   flex-shrink: 0;
+  padding: 4px;
+  border-radius: 4px;
 }
 
 .delete-icon {
-  color: #d1242f;
+  color: rgb(var(--v-theme-error));
+  background: rgba(var(--v-theme-error), 0.1);
 }
 
 .edit-icon {
-  color: #0969da;
+  color: rgb(var(--v-theme-primary));
+  background: rgba(var(--v-theme-primary), 0.1);
 }
 
 .add-icon {
-  color: #1f883d;
+  color: rgb(var(--v-theme-success));
+  background: rgba(var(--v-theme-success), 0.1);
 }
 
 .modal-close {
-  background: none;
+  background: rgb(var(--v-theme-grey-100));
   border: none;
-  font-size: 20px;
-  color: #656d76;
+  font-size: 18px;
+  color: rgb(var(--v-theme-on-surface));
   cursor: pointer;
-  width: 28px;
-  height: 28px;
+  width: 32px;
+  height: 32px;
   display: flex;
   align-items: center;
   justify-content: center;
-  border-radius: 3px;
-  transition: all 0.1s ease;
+  border-radius: 6px;
+  transition: all 0.2s ease;
 }
 
 .modal-close:hover {
-  background: #eaeef2;
-  color: #24292f;
+  background: rgb(var(--v-theme-grey-200));
+  color: rgb(var(--v-theme-error));
 }
 
 .modal-body {
-  padding: 20px;
+  padding: 24px;
+  background: rgb(var(--v-theme-surface));
 }
 
 .modal-message {
-  font-size: 14px;
-  color: #24292f;
-  margin: 0 0 6px 0;
+  font-size: 15px;
+  color: rgb(var(--v-theme-on-surface));
+  margin: 0 0 8px 0;
   line-height: 1.5;
 }
 
 .modal-warning {
-  font-size: 12px;
-  color: #656d76;
+  font-size: 13px;
+  color: rgba(var(--v-theme-on-surface), 0.6);
   margin: 0;
+  font-style: italic;
 }
 
 .form-group {
-  margin-bottom: 16px;
+  margin-bottom: 20px;
 }
 
 .form-row {
   display: grid;
   grid-template-columns: 1fr 1fr;
-  gap: 12px;
+  gap: 16px;
 }
 
 .form-group label {
   display: block;
-  margin-bottom: 6px;
+  margin-bottom: 8px;
   font-weight: 600;
-  color: #24292f;
-  font-size: 12px;
+  color: rgb(var(--v-theme-on-surface));
+  font-size: 13px;
 }
 
 .form-input {
   width: 100%;
-  padding: 6px 8px;
-  border: 1px solid #d1d9e0;
-  border-radius: 4px;
-  font-size: 13px;
-  color: #24292f;
-  background: #ffffff;
-  transition: border-color 0.1s ease;
+  padding: 12px 14px;
+  border: 1px solid rgb(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: #0969da;
-  box-shadow: 0 0 0 2px rgba(9, 105, 218, 0.1);
+  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: #d1242f;
+  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: 10px;
+  gap: 12px;
 }
 
 .form-range {
   flex: 1;
   height: 4px;
-  background: #d1d9e0;
+  background: rgb(var(--v-theme-grey-200));
   border-radius: 2px;
   outline: none;
 }
@@ -1228,51 +1053,54 @@ onBeforeUnmount(() => {
   -webkit-appearance: none;
   width: 16px;
   height: 16px;
-  background: #0969da;
+  background: rgb(var(--v-theme-primary));
   border-radius: 50%;
   cursor: pointer;
-  border: 2px solid #ffffff;
-  box-shadow: 0 1px 3px rgba(31, 35, 40, 0.2);
+  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: #0969da;
+  background: rgb(var(--v-theme-primary));
   border-radius: 50%;
   cursor: pointer;
-  border: 2px solid #ffffff;
-  box-shadow: 0 1px 3px rgba(31, 35, 40, 0.2);
+  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: #0969da;
+  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: 12px 20px 16px;
+  padding: 16px 24px;
   display: flex;
-  gap: 8px;
+  gap: 12px;
   justify-content: flex-end;
-  background: #f6f8fa;
-  border-top: 1px solid #d1d9e0;
+  background: rgb(var(--v-theme-surface-variant));
+  border-top: 1px solid rgb(var(--v-border-color), var(--v-border-opacity));
 }
 
 .notification {
   position: fixed;
-  top: 16px;
-  right: 16px;
-  min-width: 280px;
-  background: #ffffff;
-  border: 1px solid #d1d9e0;
-  border-radius: 6px;
-  box-shadow: 0 8px 24px rgba(31, 35, 40, 0.1);
+  top: 20px;
+  right: 20px;
+  min-width: 300px;
+  background: rgb(var(--v-theme-surface));
+  border: 1px solid rgb(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 0.2s ease-out;
+  animation: notificationSlideIn 0.3s ease;
 }
 
 @keyframes notificationSlideIn {
@@ -1280,7 +1108,6 @@ onBeforeUnmount(() => {
     opacity: 0;
     transform: translateX(100%);
   }
-
   to {
     opacity: 1;
     transform: translateX(0);
@@ -1291,12 +1118,12 @@ onBeforeUnmount(() => {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 12px 16px;
+  padding: 16px;
 }
 
 .notification-message {
-  font-size: 13px;
-  color: #24292f;
+  font-size: 14px;
+  color: rgb(var(--v-theme-on-surface));
   font-weight: 500;
 }
 
@@ -1304,7 +1131,7 @@ onBeforeUnmount(() => {
   background: none;
   border: none;
   font-size: 16px;
-  color: #656d76;
+  color: rgba(var(--v-theme-on-surface), 0.6);
   cursor: pointer;
   padding: 0;
   width: 20px;
@@ -1313,27 +1140,278 @@ onBeforeUnmount(() => {
   align-items: center;
   justify-content: center;
   border-radius: 3px;
-  transition: all 0.1s ease;
+  transition: all 0.2s ease;
 }
 
 .notification-close:hover {
-  background: #f3f4f6;
-  color: #24292f;
+  background: rgba(var(--v-theme-on-surface), 0.1);
+  color: rgb(var(--v-theme-on-surface));
 }
 
 .notification-success {
-  border-left: 3px solid #1f883d;
+  border-left: 3px solid rgb(var(--v-theme-success));
 }
 
 .notification-error {
-  border-left: 3px solid #d1242f;
+  border-left: 3px solid rgb(var(--v-theme-error));
 }
 
 .notification-warning {
-  border-left: 3px solid #bf8700;
+  border-left: 3px solid rgb(var(--v-theme-warning));
 }
 
 .notification-info {
-  border-left: 3px solid #0969da;
+  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);
+}
+</style>
+
+<style>
+.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));
+}
+
+.gantt_grid_head_cell,
+.gantt_grid_data .gantt_cell {
+  border-right: 1px solid rgba(var(--v-border-color), 0.5);
+  border-bottom: 1px solid rgba(var(--v-border-color), 0.5);
+}
+
+.gantt_grid_head_cell {
+  background: rgb(var(--v-theme-surface-variant));
+  font-weight: 600;
+  text-align: center;
+  padding: 12px 10px;
+  color: rgb(var(--v-theme-on-surface-variant));
+  font-size: 11px;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+}
+
+.gantt_cell {
+  padding: 10px 12px;
+  vertical-align: middle;
+  line-height: 1.4;
+  color: rgb(var(--v-theme-on-surface));
+  background: rgb(var(--v-theme-surface));
+}
+
+.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));
+}
+
+.gantt_task_line.completed-task {
+  background: rgb(var(--v-theme-success));
+  border: 1px solid rgb(var(--v-theme-success-darken-1));
+  border-radius: 4px;
+  box-shadow: 0 1px 3px rgba(var(--v-theme-success), 0.3);
+}
+
+.gantt_task_line.high-progress-task {
+  background: rgb(var(--v-theme-primary));
+  border: 1px solid rgb(var(--v-theme-primary-darken-1));
+  border-radius: 4px;
+  box-shadow: 0 1px 3px rgba(var(--v-theme-primary), 0.3);
+}
+
+.gantt_task_line.medium-progress-task {
+  background: rgb(var(--v-theme-warning));
+  border: 1px solid rgb(var(--v-theme-warning-darken-1));
+  border-radius: 4px;
+  box-shadow: 0 1px 3px rgba(var(--v-theme-warning), 0.3);
+}
+
+.gantt_task_line.low-progress-task {
+  background: rgb(var(--v-theme-error));
+  border: 1px solid rgb(var(--v-theme-error-darken-1));
+  border-radius: 4px;
+  box-shadow: 0 1px 3px rgba(var(--v-theme-error), 0.3);
+}
+
+.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), 0.5);
+  border-right: 1px solid rgba(var(--v-border-color), 0.5);
+  background: rgb(var(--v-theme-surface-variant));
+  font-weight: 500;
+  color: rgb(var(--v-theme-on-surface-variant));
+  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:nth-child(odd) {
+  background: rgb(var(--v-theme-surface));
+}
+
+.gantt_grid_data .gantt_row:nth-child(even) {
+  background: rgba(var(--v-theme-surface-variant), 0.3);
+}
+
+.gantt_grid_data .gantt_row:hover {
+  background: rgba(var(--v-theme-primary), 0.05);
+}
+
+.gantt_selected .gantt_cell {
+  background: rgba(var(--v-theme-primary), 0.1);
+  color: rgb(var(--v-theme-on-surface));
+  border-left: 3px solid rgb(var(--v-theme-primary));
+}
+
+.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 rgb(var(--v-theme-secondary-darken-1));
+  box-shadow: 0 1px 3px rgba(var(--v-theme-secondary), 0.3);
+}
+
+.gantt-context-menu {
+  background: rgb(var(--v-theme-surface));
+  border: 1px solid rgb(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: background-color 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);
+}
+
+.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), 0.5);
+  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-variant));
+  border-bottom: 1px solid rgba(var(--v-border-color), 0.5);
+}
+
+.gantt_scale_line {
+  color: rgb(var(--v-theme-on-surface-variant));
+}
+
+.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 rgb(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;
 }
 </style>
\ No newline at end of file