:root {
  --bg: #1e1f22;
  --bg-alt: #26272b;
  --border: #33343a;
  --text: #d6d7dc;
  --text-dim: #8b8d97;
  --accent: #4f8cff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  overflow: hidden;
}

.explorer {
  display: flex;
  flex-direction: row;
  width: 100vw;
  height: 100vh;
}

.leftbar {
  width: 300px;
  flex: 0 0 300px;
  box-sizing: border-box;
  background-color: var(--bg-alt);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tools {
  flex: 0 0 40px;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 8px;
  border-bottom: 1px solid var(--border);
}

.leftbar-header {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.tools .tool {
  flex: 0 0 auto;
  height: 26px;
  padding: 0 10px;
  font-family: inherit;
  font-size: 12px;
  line-height: 1;
  color: var(--text);
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}

.tools .tool:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-dim);
  color: var(--text);
}

.entries {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.entries .entry {
  padding: 6px 16px;
  font-size: 14px;
  color: var(--text-dim);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entries .entry:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.entries .entry.active {
  background-color: rgba(79, 140, 255, 0.15);
  color: var(--accent);
}

.entry .dir-content {
  display: none;
  margin: 4px 0 4px 16px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-dim);
  border-left: 1px solid var(--border);
}

.entry .dir-content.open {
  display: block;
}

.editor {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  resize: none;
  border: none;
  outline: none;
  background-color: var(--bg);
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
    monospace;
  font-size: 14px;
  line-height: 1.6;
  padding: 16px;
  tab-size: 2;
}