:root {
  --bg: #0f1012;
  --panel: #15161a;
  --panel-2: #1b1d22;
  --hover: #22252b;
  --border: #25282e;
  --text: #d7d9de;
  --muted: #7d828c;
  --accent: #7aa2f7;
  --accent-bg: #7aa2f71f;
  --danger: #e5484d;
  --radius: 6px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  overflow: hidden;
}

button,
.btn,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button,
.btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.1s, border-color 0.1s;
}
button:hover,
.btn:hover {
  background: var(--hover);
}
button:disabled {
  opacity: 0.35;
  cursor: default;
  background: var(--panel-2);
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0d1220;
  font-weight: 600;
}
button.primary:hover {
  filter: brightness(1.1);
}
button.danger {
  color: var(--danger);
}
button.danger:hover {
  border-color: var(--danger);
}

input[type='text'],
input[type='search'],
input[type='number'],
select,
textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 8px;
  outline: none;
  min-width: 0;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}
input[type='checkbox'],
input[type='radio'] {
  accent-color: var(--accent);
  margin: 0;
}

kbd {
  font: 11px ui-monospace, monospace;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}
.muted {
  color: var(--muted);
}
.spacer {
  flex: 1;
}
.bad {
  color: var(--danger);
  font-weight: 500;
  margin-left: 4px;
}

/* ---------- top bar ---------- */

.topbar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  margin-right: 8px;
}
.brand img,
.row img,
.icon-pick img {
  image-rendering: pixelated;
}
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg);
  padding: 2px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.tab {
  border: none;
  background: transparent;
  padding: 3px 10px;
  color: var(--muted);
}
.tab span {
  margin-left: 6px;
  font-size: 11px;
  opacity: 0.7;
}
.tab.active {
  background: var(--panel-2);
  color: var(--text);
}
#search {
  width: 220px;
}
.btn-group {
  display: flex;
}
.btn-group button:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
}
.btn-group button:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
  border-left: none;
}

/* ---------- layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 360px 1fr 300px;
  height: calc(100% - 48px);
}
.sidebar,
.inspector {
  background: var(--panel);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.sidebar {
  border-right: 1px solid var(--border);
  padding: 6px 0 40px;
}
.inspector {
  border-left: 1px solid var(--border);
  padding: 12px;
}

/* ---------- groups ---------- */

.group {
  margin: 0 6px 4px;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.group.drop-into {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.group.drop-before {
  box-shadow: 0 -2px 0 var(--accent);
}
.group.drop-after {
  box-shadow: 0 2px 0 var(--accent);
}
.group.dragging {
  opacity: 0.4;
}
.group-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 6px;
  border-radius: var(--radius);
  user-select: none;
}
.group-head:hover {
  background: var(--panel-2);
}
.group-head .caret {
  border: none;
  background: none;
  padding: 2px;
  color: var(--muted);
  display: flex;
  transition: transform 0.12s;
  transform: rotate(90deg);
}
.group.collapsed .caret {
  transform: rotate(0deg);
}
.group.collapsed .group-body {
  display: none;
}
.swatch {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.gname {
  flex: 1;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: default;
}
.ungrouped .gname {
  color: var(--muted);
  font-weight: 500;
}
.group-head .rename {
  flex: 1;
  padding: 1px 6px;
}
.count {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.icon-btn {
  border: none;
  background: none;
  padding: 0 6px;
  color: var(--muted);
  opacity: 0;
}
.group-head:hover .icon-btn,
.icon-btn:focus-visible {
  opacity: 1;
}
.icon-btn:hover {
  color: var(--text);
  background: var(--hover);
}
.group-body {
  padding-left: 14px;
}
.drop-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 6px 10px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  margin: 2px 4px 6px 8px;
}

/* ---------- marker rows ---------- */

.row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 2px 6px;
  border-radius: var(--radius);
  cursor: default;
  user-select: none;
  position: relative;
}
.row:hover {
  background: var(--panel-2);
}
.row.selected {
  background: var(--accent-bg);
  box-shadow: inset 2px 0 0 var(--accent);
}
.row.off .name,
.row.off img {
  opacity: 0.4;
}
.row.dragging {
  opacity: 0.4;
}
.row.drop-before::before,
.row.drop-after::after {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--accent);
}
.row.drop-before::before {
  top: -1px;
}
.row.drop-after::after {
  bottom: -1px;
}
.row .eye {
  border: none;
  background: none;
  padding: 2px;
  display: flex;
  color: var(--muted);
}
.row .eye:hover {
  color: var(--text);
}
.row .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.row .name em {
  color: var(--muted);
}
.row .world {
  font-size: 10px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
}
.row .xyz {
  font: 11px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.empty {
  color: var(--muted);
  text-align: center;
  padding: 30px 20px;
  line-height: 1.7;
}

/* ---------- map ---------- */

.mapwrap {
  position: relative;
  min-width: 0;
  overflow: hidden;
}
#map {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}
.map-bar {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #15161ae6;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 4px 4px 10px;
}
.map-world {
  font-weight: 600;
}
.toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  padding-right: 6px;
  color: var(--muted);
  cursor: pointer;
}
.map-hint {
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-size: 11px;
  color: #50545c;
  pointer-events: none;
}

/* ---------- inspector ---------- */

.inspector h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}
.insp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.insp-actions {
  display: flex;
  gap: 4px;
}
.insp-actions button {
  padding: 3px 8px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  min-width: 0;
}
.field > span {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field.check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
}
.field.check span {
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
  color: var(--text);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.field-row.three {
  grid-template-columns: 1fr 1fr 1fr;
}
.with-btn {
  display: flex;
  gap: 4px;
}
.with-btn input {
  flex: 1;
}
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(34px, 1fr));
  gap: 3px;
}
.icon-pick {
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.icon-pick.active {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.insp-empty h3 {
  margin: 4px 0 10px;
}
.stats {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  margin: 0 0 20px;
}
.stats dt {
  color: var(--muted);
}
.stats dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.tips {
  padding-left: 16px;
  color: var(--muted);
  margin: 0;
}
.tips li {
  margin-bottom: 6px;
}

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  background: #00000099;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal[hidden] {
  display: none;
}
.dialog {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  box-shadow: 0 20px 60px #0008;
}
.dialog h2 {
  margin: 0 0 8px;
  font-size: 15px;
}
.dialog h4 {
  margin: 16px 0 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.dialog p {
  margin: 0 0 10px;
}
.dialog textarea {
  width: 100%;
  height: 340px;
  resize: vertical;
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 10px 0;
}
.opts label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
}
.warnings {
  margin: 0 0 10px;
  padding: 8px 10px 8px 26px;
  border: 1px solid #e5484d55;
  background: #e5484d14;
  border-radius: var(--radius);
  color: #f0a3a5;
}
.setting {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 6px 0;
  cursor: pointer;
}
.setting input {
  margin-top: 3px;
}
.setting b {
  display: block;
  font-weight: 500;
}
.setting small {
  color: var(--muted);
  font-size: 12px;
}

/* ---------- popover & toasts ---------- */

.popover {
  position: fixed;
  z-index: 60;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  min-width: 210px;
  box-shadow: 0 10px 30px #0008;
  display: flex;
  flex-direction: column;
}
.popover[hidden] {
  display: none;
}
.popover > button {
  border: none;
  background: none;
  text-align: left;
  padding: 6px 10px;
}
.popover > button:hover {
  background: var(--hover);
}
.popover hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}
.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 6px 10px;
}
.swatch-btn {
  width: 16px;
  height: 16px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}
.swatch-btn.active {
  border-color: var(--text);
}

.toasts {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  z-index: 70;
  pointer-events: none;
}
.toast {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 14px;
  box-shadow: 0 6px 20px #0008;
  transition: opacity 0.3s, transform 0.3s;
}
.toast.error {
  border-color: #e5484d88;
  color: #f0a3a5;
}
.toast.out {
  opacity: 0;
  transform: translateY(6px);
}

/* ---------- narrow screens ---------- */

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: 300px 1fr 260px;
  }
  #search {
    width: 140px;
  }
  .row .xyz {
    display: none;
  }
}