body {
  font-family: system-ui, sans-serif;
  margin: 40px auto;
  padding: 0 16px;
  max-width: 900px;
}

@media (min-width: 1000px) {
  body {
    max-width: 1600px;
  }
  #layout {
    display: grid;
    /* grid-template-columns: minmax(420px, 640px) 1fr; */
    grid-template-columns: auto 620px;
    gap: 0 40px;
    align-items: start;
  }
}
h1 {
  margin-bottom: 4px;
}
.sub {
  color: #666;
  margin-top: 0;
}
.sectionLabel {
  /* color: #666; */
  /* font-size: 0.8rem; */
  margin: 0 0 4px 0;
  font-weight: bold;
}
button {
  font-size: 1rem;
  padding: 8px 16px;
  margin-right: 8px;
  cursor: pointer;
}
label {
  display: inline-block;
  margin-right: 16px;
}
input[type="number"] {
  width: 60px;
}

#collabBar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
  /* border: 1px solid #000; */
}
#collabStatus {
  font-family: monospace;
  font-size: 0.85rem;
  color: #666;
  /* border: 1px solid #000; */
}
#collabDots {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
  /* border: 1px solid #000; */
}
.collabDot {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px 2px 5px;
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  font-size: 0.8rem;
}
.collabDotSwatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.collabDotSelf {
  cursor: pointer;
}
.collabDotSelf:hover {
  border-color: rgba(0, 0, 0, 0.4);
}

#codemirror {
  margin-top: 8px;
}
#codemirror .cm-editor {
  border: 1px solid #ccc;
  /* height: 220px; */
  font-size: 0.9rem;
}
#codemirror .cm-scroller {
  font-family: monospace;
  overflow: auto;
}
#compileRow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
#compileStatus {
  font-family: monospace;
  font-size: 0.85rem;
}
#compileStatus.ok {
  color: #2a7d2a;
}
#compileStatus.error {
  color: #c0392b;
  white-space: pre-wrap;
}

.box {
  /* margin-top: 20px; */
  border: 1px solid #ccc;
  padding: 0.5em;
  margin: 0 0 0.5em 0;
}
#rowCounter {
  margin-bottom: 0.5em;
  /* font-family: monospace; */
  font-size: 1rem;
  /* font-weight: bold; */
}
#resetRowBtn {
  font-size: 0.85rem;
  font-weight: normal;
  margin-left: 8px;
}
#lookaheadControl {
  vertical-align: middle;
}

#patternContainer {
  /* max-height: 400px; */
  overflow: auto;
  /* border: 1px solid #ccc; */
  /* background: #ffffff; */
}
#patternCanvas {
  display: block;
}

#log {
  background: #111;
  color: #eee;
  font-family: monospace;
  font-size: 0.8rem;
  height: 160px;
  overflow-y: auto;
  padding: 8px;
  margin-top: 4px;
}
#log .line {
  white-space: pre;
}
#log .line.status {
  color: #8ab4f8;
}
#log .line.error {
  color: #ff6b6b;
}
#log .line.chat {
  color: #60cdff;
}

#chatBox {
  display: flex;
  margin-top: 4px;
  gap: 8px;
}
#chatInput {
  flex: 1;
  padding: 6px 10px;
  font-size: 0.9rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}
#chatSendBtn {
  margin-right: 0;
  padding: 6px 12px;
  font-size: 0.9rem;
}