:root {
  color-scheme: dark;
  --bg: #0b141b;
  --panel: #101e28;
  --line: #27414f;
  --ink: #d7eaf1;
  --muted: #8ba5b4;
  --accent: #71d8eb;
  --error: #ff9c9c;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    14px/1.5 "Segoe UI",
    "Microsoft YaHei",
    sans-serif;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: #0b1821;
  border: 1px solid var(--line);
  border-radius: 5px;
}
button {
  padding: 6px 11px;
  cursor: pointer;
}
button:hover:not(:disabled) {
  border-color: var(--accent);
  background: #183442;
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
button.primary {
  background: #1a5365;
  border-color: #438fa2;
}
button.active {
  border-color: var(--accent);
  color: var(--accent);
}
input,
select {
  padding: 5px 8px;
  min-width: 0;
}
input[type="checkbox"] {
  accent-color: var(--accent);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
header {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand strong {
  font-size: 20px;
  letter-spacing: 0.5px;
}
.brand small {
  color: var(--muted);
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
}
.spacer {
  flex: 1;
}
#filename {
  width: 190px;
}
.workspace {
  height: calc(100vh - 171px);
  min-height: 530px;
  display: grid;
  grid-template-columns: 235px minmax(350px, 1fr) minmax(360px, 1.15fr);
  gap: 1px;
  background: var(--line);
}
.panel {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--panel);
}
.bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
}
.bar strong {
  margin-right: auto;
}
.scroll {
  overflow: auto;
  min-height: 0;
  flex: 1;
}
.muted,
.hint {
  color: var(--muted);
}
.hint {
  font-size: 12px;
  margin: 8px 12px;
}
.tree {
  padding: 6px;
}
.tree button {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tree button.selected {
  background: #1a3b49;
  color: var(--accent);
}
.tree .slot {
  font-size: 11px;
  color: var(--muted);
  padding-top: 6px;
}
.node-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 9px;
  border-top: 1px solid var(--line);
}
.node-actions button {
  padding: 5px 9px;
}
.tabs {
  padding: 0 8px;
  min-height: 48px;
  overflow-x: auto;
}
.tabs button {
  border: 0;
  white-space: nowrap;
  padding: 10px 9px;
  background: transparent;
}
.tabs button.active {
  border-bottom: 2px solid var(--accent);
  border-radius: 0;
}
.editor-panel {
  display: none;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}
.editor-panel.active {
  display: flex;
}
.code {
  width: 100%;
  flex: 1;
  min-height: 160px;
  resize: none;
  border: 0;
  border-radius: 0;
  padding: 15px;
  font:
    13px/1.65 Consolas,
    "Cascadia Code",
    monospace;
  tab-size: 2;
  outline-offset: -2px;
  background: #0a161f;
  white-space: pre;
  overflow: auto;
}
.property {
  padding: 12px;
  overflow: auto;
  flex: 1;
}
label.field {
  display: grid;
  gap: 5px;
  margin-bottom: 11px;
}
.field > span {
  color: var(--muted);
  font-size: 12px;
}
.field textarea {
  font-family: Consolas, monospace;
  min-height: 65px;
  resize: vertical;
  padding: 6px 8px;
}
.field input[type="checkbox"] {
  justify-self: start;
}
.field .description {
  font-size: 11px;
  color: var(--muted);
}
.subcode {
  width: 100%;
  height: 230px;
  padding: 9px;
  font:
    12px/1.5 Consolas,
    monospace;
  resize: vertical;
}
.inspector-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.preview-controls {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.preview-controls input[type="number"] {
  width: 70px;
}
.preview-stage {
  overflow: auto;
  flex: 1;
  min-height: 0;
  padding: 14px;
  background: repeating-linear-gradient(
    45deg,
    #081218,
    #081218 10px,
    #0b171e 10px,
    #0b171e 20px
  );
}
iframe {
  display: block;
  max-width: 100%;
  height: 100%;
  min-height: 350px;
  margin: auto;
  border: 1px solid var(--line);
  background: #07151d;
}
#preview-log {
  padding: 7px 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  min-height: 34px;
  overflow-wrap: anywhere;
}
.statusbar {
  height: 47px;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 15px;
  align-items: center;
}
.statusbar .error {
  color: var(--error);
}
#status {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#issues {
  max-height: 120px;
  overflow: auto;
  margin: 0;
  padding: 8px 12px 8px 30px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: #ffd79c;
}
#issues:empty {
  display: none;
}
dialog {
  width: min(650px, 92vw);
  max-height: 85vh;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}
dialog::backdrop {
  background: #0009;
}
dialog h2 {
  margin-top: 0;
}
dialog footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}
dialog p,
dialog li {
  color: var(--muted);
}
dialog code {
  color: var(--accent);
}
.dialog-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.drop-active {
  outline: 3px dashed var(--accent);
  outline-offset: -6px;
}
[hidden] {
  display: none !important;
}
@media (max-width: 1050px) {
  .workspace {
    grid-template-columns: 180px minmax(300px, 1fr) minmax(300px, 1fr);
  }
  .brand small {
    display: none;
  }
}
@media (max-width: 800px) {
  .workspace {
    height: auto;
    grid-template-columns: 160px 1fr;
  }
  .panel {
    min-height: 500px;
  }
  .preview-panel {
    grid-column: 1/-1;
    min-height: 650px;
  }
  .statusbar {
    height: auto;
    min-height: 47px;
  }
  .toolbar .spacer {
    display: none;
  }
}