:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2129;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-2: #3fb950;
  --danger: #f85149;
  --warn: #d29922;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
code { font-family: var(--mono); font-size: 0.92em; color: #c9d1d9; }
.muted { color: var(--muted); }

/* ---- toolbar -------------------------------------------------------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand .bolt { color: var(--warn); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; flex: 1; min-width: 0; }
.spacer { flex: 1; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  user-select: none;
}
.button:hover:not(:disabled) { border-color: #8b949e; }
.button:disabled { opacity: 0.45; cursor: default; }
.button.primary { background: #238636; border-color: #2ea043; }
.button.primary:hover:not(:disabled) { background: #2ea043; }
.link {
  background: none;
  border: none;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  padding: 2px 4px;
}
.link.danger { color: var(--danger); }
.link:disabled { opacity: 0.4; cursor: default; }
.menu { position: relative; }
.menu-items {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 10;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.menu-items[hidden] { display: none; }
.menu-items button {
  text-align: left;
  padding: 6px 10px;
  border: none;
  border-radius: 4px;
  background: none;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}
.menu-items button:hover { background: #2b3340; }

/* ---- layout --------------------------------------------------------- */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 220px minmax(280px, 1fr) minmax(320px, 520px);
  min-height: 0;
}
.sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--panel);
  min-height: 0;
}
.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.project-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge {
  padding: 1px 7px;
  border-radius: 999px;
  background: #2b3340;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.file-list { list-style: none; margin: 0; padding: 6px; overflow: auto; flex: 1; }
.file-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
  color: #c9d1d9;
}
.file-list li:hover { background: var(--panel-2); }
.file-list li.active { background: #1f6feb33; color: var(--text); }
.file-list li.ignored { color: var(--muted); font-style: italic; }
.file-list li .entry { color: var(--accent-2); font-size: 11px; }
.file-list li.folder { color: var(--muted); cursor: default; font-size: 12px; padding-top: 6px; }
.file-list li.folder:hover { background: transparent; }
.file-list li.data { color: #a5b0bd; }
.file-list li .bin { color: var(--muted); font-size: 10px; border: 1px solid var(--border); border-radius: 3px; padding: 0 4px; }
.file-list li .written { color: #d29922; font-size: 11px; }
.args { min-width: 180px; flex: 1; max-width: 360px; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-family: var(--mono); font-size: 12px; }
.sidebar-foot { display: flex; gap: 4px; padding: 6px 8px; border-top: 1px solid var(--border); }
.hint { margin: 0; padding: 10px 12px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); }

.editor-pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.editor-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.current-file { font-family: var(--mono); font-size: 13px; }
.editor { flex: 1; display: flex; min-height: 320px; background: var(--bg); position: relative; }
.gutter {
  margin: 0;
  padding: 10px 8px 10px 12px;
  text-align: right;
  color: #484f58;
  font: 13px/1.5 var(--mono);
  user-select: none;
  overflow: hidden;
  border-right: 1px solid var(--border);
  min-width: 44px;
}
.code { position: relative; flex: 1; min-width: 0; overflow: hidden; }
/* The highlighted mirror sits under a transparent textarea. Both share the
   same font, padding, tab size and white-space so glyphs line up exactly;
   only the caret and selection come from the textarea. */
.highlight, #editor {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 10px 12px;
  border: none;
  font: 13px/1.5 var(--mono);
  tab-size: 4;
  white-space: pre;
  word-wrap: normal;
  overflow-wrap: normal;
}
.highlight {
  overflow: hidden;
  pointer-events: none;
  color: var(--text);
}
.highlight code { font: inherit; color: inherit; }
#editor {
  outline: none;
  resize: none;
  background: transparent;
  color: transparent;
  caret-color: var(--text);
  overflow: auto;
}
#editor::selection { background: rgba(88, 166, 255, 0.35); }
#editor:disabled { caret-color: transparent; }
.tok-comment { color: #8b949e; font-style: italic; }
.tok-string { color: #a5d6ff; }
.tok-number { color: #79c0ff; }
.tok-keyword { color: #ff7b72; }
.tok-builtin { color: #d2a8ff; }
.tok-function { color: #d2a8ff; }
.tok-decorator { color: #f0883e; }
.tok-punct { color: #c9d1d9; }

.output-pane {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: var(--panel);
  min-height: 0;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.canvas-panel { display: flex; flex-direction: column; }
.canvas-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: #0b0e14;
  border-bottom: 1px solid var(--border);
  min-height: 200px;
}
#canvas {
  max-width: 100%;
  height: auto;
  background: #10141c;
  border: 1px solid var(--border);
  border-radius: 4px;
  outline: none;
  image-rendering: auto;
}
#canvas:focus { border-color: var(--accent); }
.canvas-hint {
  position: absolute;
  inset: auto 16px 16px 16px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
}
.console-panel { flex: 1; display: flex; flex-direction: column; min-height: 160px; }
.console {
  flex: 1;
  margin: 0;
  padding: 10px 12px;
  overflow: auto;
  font: 12.5px/1.5 var(--mono);
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-word;
}
.console .stderr { color: var(--warn); }
.console .error { color: var(--danger); }
.console .note { color: var(--muted); }
.console .ok { color: var(--accent-2); }

.status {
  padding: 6px 16px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.status .bad { color: var(--danger); }

.drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 17, 23, 0.85);
  border: 3px dashed var(--accent);
  font-size: 20px;
  pointer-events: none;
}
.drop-overlay[hidden] { display: none; }

@media (max-width: 1100px) {
  .layout { grid-template-columns: 200px 1fr; grid-template-rows: auto auto; }
  .output-pane { grid-column: 1 / -1; border-left: none; border-top: 1px solid var(--border); }
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: none; border-bottom: 1px solid var(--border); max-height: 40vh; }
  .output-pane { grid-column: auto; }
}

.playground-home{font-weight:700;color:inherit;text-decoration:none}