bun.sh/src/bake/client/overlay.css

/*
 * This file is mounted within Shadow DOM so interference with
 * the user's application causes no issue. This sheet is used to
 * style error popups and other elements provided by DevServer.
 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.root {
  color-scheme: light dark;

  --modal-bg: light-dark(#efefef, #202020);
  --modal-text: light-dark(#0a0a0a, #fafafa);
  --modal-text-faded: light-dark(#0a0a0a88, #fafafa88);
  --item-bg: light-dark(#d4d4d4, #0f0f0f);
  --item-bg-hover: light-dark(#cccccc, #171717);
  --red: #ff5858;
  --log-error: light-dark(#dc0000, #ff5858);
  --log-warn: light-dark(#eab308, #fbbf24);
  --log-note: light-dark(#008ae6, #22d3ee);
  --log-colon: light-dark(#888, #888);

  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    "Open Sans",
    "Helvetica Neue",
    sans-serif;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

code,
.file-name,
.message {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.modal {
  color: var(--modal-text);
  background-color: var(--modal-bg);
  border-top: 8px solid var(--red);
  border-radius: 8px;
  margin: 4rem 2rem 2rem 2rem;
  max-width: 940px;
  width: 100%;
  box-shadow:
    0 2px 6px #0004,
    0 2px 32px #0003;
}

header {
  margin: 1rem 1rem;
  color: var(--red);
  font-size: 2rem;
  font-weight: bold;
}

footer {
  color: var(--modal-text-faded);
  margin: 1rem;
}

pre {
  font: unset;
}

.message-group {
  display: flex;
  flex-direction: column;
  background-color: var(--item-bg);
}

/* this is a <button> */
.file-name {
  appearance: none;
  background-color: transparent;
  border: none;
  font-size: unset;
  font-weight: bold;
  padding: 0.5rem 1rem;
  text-align: left;
  cursor: pointer;
}

.file-name:hover,
.file-name:focus-visible {
  background-color: var(--item-bg-hover);
}

.file-name::after {
  color: var(--modal-text-faded);
  font-size: 70%;
}

.file-name:hover::after,
.file-name:focus-visible {
  content: " (click to open in editor)";
}

.message {
  margin: 1rem;
  margin-bottom: 0;
}

button + .message {
  margin-top: 0.5rem;
}

.message-text > span {
  color: var(--color);
}

.log-error {
  --color: var(--log-error);
  font-weight: bold;
}

.log-warn {
  --color: var(--log-warn);
}

.log-note {
  --color: var(--log-note);
}

.log-colon {
  --color: var(--log-colon);
}

.code-line {
  display: flex;
  margin: 0.5rem 0;
}

.line-num {
  color: var(--modal-text-faded);
  margin-right: 10px;
}

.highlight-wrap {
  color: transparent;
  user-select: none;
  pointer-events: none;
  transform: translateY(-20px);
  margin-bottom: -5px;
}

.highlight-wrap .line {
  margin-left: 10px;
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: var(--color);
}

@media (prefers-color-scheme: light) {
  .log-warn,
  .log-note {
    font-weight: bold;
  }
}