:root {
  --imgui-bg: #0F0F0F;
  --imgui-window: #191919;
  --imgui-title: #0A0A0A;
  --imgui-title-active: #294A7A;
  --imgui-menubar: #242424;
  --imgui-popup: #141414;
  --imgui-frame: rgba(40, 73, 122, 0.54);
  --imgui-frame-hover: rgba(66, 150, 250, 0.40);
  --imgui-frame-active: rgba(66, 150, 250, 0.67);
  --imgui-button: rgba(66, 150, 250, 0.40);
  --imgui-button-hover: #4296FA;
  --imgui-button-active: #0F87FA;
  --imgui-check: #4296FA;
  --imgui-header: rgba(66, 150, 250, 0.31);
  --imgui-header-hover: rgba(66, 150, 250, 0.80);
  --imgui-border: rgba(110, 110, 128, 0.50);
  --imgui-separator: rgba(110, 110, 128, 0.50);
  --imgui-text: #FFFFFF;
  --imgui-text-dim: #9D9DA0;
  --imgui-scrollbar: #050507;
  --imgui-scrollbar-grab: #4F4F4F;
  --imgui-rounding: 4px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--imgui-bg);
  color: var(--imgui-text);
  font-family: 'Segoe UI', 'Proggy', Consolas, monospace;
  font-size: 13px;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
  width: 100vw;
}

#menuBar {
  display: flex;
  background: var(--imgui-menubar);
  height: 26px;
  align-items: center;
  user-select: none;
  border-bottom: 1px solid var(--imgui-border);
  padding-left: 2px;
}

.menu-item {
  position: relative;
}

.menu-label {
  padding: 3px 10px;
  cursor: pointer;
  display: block;
  line-height: 20px;
  border-radius: 3px;
  color: var(--imgui-text);
  font-size: 13px;
}

.menu-label:hover {
  background: var(--imgui-header-hover);
}

.menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--imgui-popup);
  border: 1px solid var(--imgui-border);
  min-width: 220px;
  z-index: 1000;
  padding: 4px 0;
  border-radius: var(--imgui-rounding);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

.menu-item.open .menu-dropdown {
  display: block;
}

.menu-dropdown button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 4px 12px 4px 28px;
  background: none;
  border: none;
  color: var(--imgui-text);
  cursor: pointer;
  text-align: left;
  font-size: 13px;
  font-family: inherit;
  border-radius: 0;
  position: relative;
}

.menu-dropdown button:hover:not(:disabled) {
  background: var(--imgui-header-hover);
}

.menu-dropdown button:disabled {
  color: #555;
  cursor: default;
}

.menu-dropdown button.checked::before {
  content: '\2713';
  position: absolute;
  left: 10px;
  color: var(--imgui-check);
  font-size: 12px;
}

.menu-dropdown kbd {
  color: var(--imgui-text-dim);
  font-size: 11px;
  font-family: inherit;
  opacity: 0.7;
}

.menu-dropdown hr {
  border: none;
  border-top: 1px solid var(--imgui-separator);
  margin: 4px 8px;
}

#mainContent {
  display: grid;
  grid-template-columns: 1fr 280px;
  overflow: hidden;
}

#viewport {
  position: relative;
  overflow: hidden;
  background: var(--imgui-bg);
  cursor: crosshair;
}

#viewport canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#overlayCanvas {
  pointer-events: none;
  z-index: 2;
}

#noFile {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--imgui-text-dim);
  font-size: 14px;
  z-index: 3;
  text-align: center;
  line-height: 1.8;
}

#panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  background: var(--imgui-bg);
  border-left: 1px solid var(--imgui-border);
  user-select: none;
}

#panel::-webkit-scrollbar {
  width: 10px;
  background: var(--imgui-scrollbar);
}

#panel::-webkit-scrollbar-thumb {
  background: var(--imgui-scrollbar-grab);
  border-radius: 3px;
}

#panel::-webkit-scrollbar-thumb:hover {
  background: #666;
}

.imgui-window {
  background: var(--imgui-window);
  border: 1px solid var(--imgui-border);
  border-radius: var(--imgui-rounding);
  margin: 4px;
  overflow: hidden;
}

.imgui-title {
  background: var(--imgui-title-active);
  padding: 5px 10px;
  font-size: 13px;
  font-weight: normal;
  color: var(--imgui-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.imgui-title::before {
  content: '\25BC';
  font-size: 8px;
  transition: transform 0.15s;
}

.imgui-window.collapsed .imgui-title::before {
  transform: rotate(-90deg);
}

.imgui-window.collapsed .imgui-body {
  display: none;
}

.imgui-body {
  padding: 8px 10px;
}

.imgui-separator {
  border: none;
  border-top: 1px solid var(--imgui-separator);
  margin: 6px 0;
}

.imgui-text {
  font-size: 13px;
  line-height: 1.6;
}

.imgui-text-dim {
  color: var(--imgui-text-dim);
  font-size: 12px;
}

.imgui-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 3px 0;
}

.imgui-row label {
  min-width: 62px;
  font-size: 13px;
  color: var(--imgui-text);
}

.imgui-input {
  width: 80px;
  background: var(--imgui-frame);
  border: none;
  border-radius: var(--imgui-rounding);
  color: var(--imgui-text);
  padding: 4px 8px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

.imgui-input:hover {
  background: var(--imgui-frame-hover);
}

.imgui-input:focus {
  background: var(--imgui-frame-active);
}

.imgui-input-sm {
  width: 56px;
}

.imgui-btn {
  background: var(--imgui-button);
  border: none;
  border-radius: var(--imgui-rounding);
  color: var(--imgui-text);
  padding: 4px 14px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

.imgui-btn:hover {
  background: var(--imgui-button-hover);
}

.imgui-btn:active {
  background: var(--imgui-button-active);
}

.imgui-btn-sm {
  padding: 3px 10px;
  font-size: 12px;
}

.imgui-btn-full {
  width: 100%;
}

.imgui-btn-row {
  display: flex;
  gap: 6px;
  margin: 6px 0;
}

.imgui-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 3px 0;
  cursor: pointer;
  font-size: 13px;
}

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

.imgui-checkbox .cb {
  width: 16px;
  height: 16px;
  background: var(--imgui-frame);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.imgui-checkbox:hover .cb {
  background: var(--imgui-frame-hover);
}

.imgui-checkbox input:checked+.cb {
  background: var(--imgui-check);
}

.imgui-checkbox input:checked+.cb::after {
  content: '\2713';
  color: #fff;
  font-size: 11px;
  font-weight: bold;
}

#statusBar {
  display: flex;
  gap: 18px;
  padding: 3px 10px;
  background: var(--imgui-menubar);
  border-top: 1px solid var(--imgui-border);
  font-size: 12px;
  color: var(--imgui-text-dim);
  height: 24px;
  align-items: center;
  user-select: none;
}

#statusBar span {
  white-space: nowrap;
}

dialog {
  background: var(--imgui-window);
  color: var(--imgui-text);
  border: 1px solid var(--imgui-border);
  border-radius: var(--imgui-rounding);
  padding: 0;
  min-width: 300px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.dlg-title {
  background: var(--imgui-title-active);
  padding: 6px 12px;
  font-size: 13px;
  color: var(--imgui-text);
}

.dlg-body {
  padding: 12px;
}

.drow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 5px 0;
}

.drow label {
  min-width: 20px;
  font-size: 13px;
}

.drow input {
  width: 120px;
  background: var(--imgui-frame);
  border: none;
  border-radius: var(--imgui-rounding);
  color: var(--imgui-text);
  padding: 4px 8px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

.drow input:focus {
  background: var(--imgui-frame-active);
}

.dactions {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  justify-content: flex-end;
}

.dactions button {
  background: var(--imgui-button);
  border: none;
  border-radius: var(--imgui-rounding);
  color: var(--imgui-text);
  padding: 5px 18px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}

.dactions button:hover {
  background: var(--imgui-button-hover);
}

#dMapSize {
  font-size: 12px;
  color: var(--imgui-text-dim);
  margin: 6px 0;
}

.obj-tabs {
  display: flex;
  background: var(--imgui-title);
  border-bottom: 1px solid var(--imgui-border);
}

.obj-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--imgui-text-dim);
  font-size: 11px;
  font-family: inherit;
  padding: 5px 2px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.obj-tab:hover {
  color: var(--imgui-text);
  background: rgba(66, 150, 250, 0.15);
}

.obj-tab.active {
  color: var(--imgui-text);
  border-bottom-color: var(--imgui-check);
}

.obj-content {
  display: none;
  max-height: 300px;
  overflow-y: auto;
  padding: 4px 0;
}

.obj-content.active {
  display: block;
}

.obj-content::-webkit-scrollbar {
  width: 8px;
  background: var(--imgui-scrollbar);
}

.obj-content::-webkit-scrollbar-thumb {
  background: var(--imgui-scrollbar-grab);
  border-radius: 3px;
}

.obj-row {
  display: flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  gap: 4px;
  cursor: pointer;
}

.obj-row:hover {
  background: rgba(66, 150, 250, 0.15);
}

.obj-row .obj-idx {
  color: var(--imgui-text-dim);
  min-width: 24px;
}

.obj-row .obj-info {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.obj-row .obj-pos {
  color: var(--imgui-text-dim);
  font-size: 10px;
  white-space: nowrap;
}

.obj-row .obj-go {
  background: var(--imgui-button);
  border: none;
  border-radius: 3px;
  color: var(--imgui-text);
  padding: 1px 6px;
  cursor: pointer;
  font-size: 10px;
  font-family: inherit;
}

.obj-row .obj-go:hover {
  background: var(--imgui-button-hover);
}

.obj-empty {
  color: var(--imgui-text-dim);
  font-size: 11px;
  padding: 8px;
  text-align: center;
}

#mapInfoContent {
  font-size: 12px;
  line-height: 1.7;
}

#mapList {
  margin-top: 16px;
}

#mapListTitle {
  font-size: 13px;
  color: var(--imgui-text);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--imgui-separator);
  padding-bottom: 6px;
}

#mapListItems {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 300px;
  overflow-y: auto;
}

.map-item {
  background: var(--imgui-window);
  border: 1px solid var(--imgui-border);
  border-radius: var(--imgui-rounding);
  padding: 8px 14px;
  color: var(--imgui-text);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.1s;
}

.map-item:hover {
  background: var(--imgui-header-hover);
  border-color: var(--imgui-check);
}

.map-item.loading {
  opacity: 0.5;
  pointer-events: none;
}