:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f7f8;
  color: #1b1f23;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
}

.playground {
  display: grid;
  grid-template-columns: minmax(20rem, .9fr) minmax(22rem, 1.1fr);
  min-height: 100vh;
}

.pane {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  border-right: 1px solid #d9dee3;
}

.preview-pane {
  border-right: 0;
  background: #fff;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding: .75rem 1rem;
  border-bottom: 1px solid #d9dee3;
  background: #fff;
}

h1,
h2 {
  margin: 0;
  font-size: .95rem;
  line-height: 1.3;
  font-weight: 700;
}

.status {
  flex: 0 0 auto;
  color: #586069;
  font-size: .8rem;
}

#source {
  width: 100%;
  min-width: 0;
  min-height: 0;
  resize: none;
  border: 0;
  outline: none;
  padding: 1rem;
  font: 14px/1.6 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  color: #17202a;
  background: #fbfcfd;
  tab-size: 2;
}

#source:focus {
  box-shadow: inset 0 0 0 2px #2f6feb;
}

.preview {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 1.5rem;
  line-height: 1.6;
}

.preview > :first-child:not(style) {
  margin-top: 0;
}

.preview img,
.preview video,
.preview iframe {
  max-width: 100%;
}

.preview pre {
  overflow: auto;
  padding: .875rem;
  border-radius: 6px;
  background: #f1f3f5;
}

.preview code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: .92em;
}

.preview table {
  width: 100%;
  border-collapse: collapse;
}

.preview th,
.preview td {
  padding: .5rem;
  border: 1px solid #d9dee3;
  text-align: left;
  vertical-align: top;
}

.render-error {
  margin: 0;
  padding: 1rem;
  border: 1px solid #f2b8b5;
  border-radius: 6px;
  color: #8a1f17;
  background: #fff5f5;
  white-space: pre-wrap;
}

@media (max-width: 760px) {
  .playground {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(18rem, 45vh) minmax(22rem, 55vh);
  }

  .pane {
    border-right: 0;
    border-bottom: 1px solid #d9dee3;
  }

  .preview-pane {
    border-bottom: 0;
  }
}