* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: #000;
  background: #fff;
}

a { color: #0000ee; text-decoration: underline; }
a:visited { color: #551a8b; }

button {
  font: inherit;
  padding: 0.2em 0.5em;
  cursor: pointer;
}
button.primary { font-weight: bold; }
button.link { border: none; background: none; padding: 0; color: #0000ee; text-decoration: underline; }

input, textarea {
  font: inherit;
  padding: 0.2em;
  width: 100%;
}
textarea { min-height: 80px; resize: vertical; }

header {
  padding: 0.7em 1.2em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1em;
  flex-wrap: wrap;
  border-bottom: 1px solid #e4e4e4;
}
header nav { display: flex; gap: 1.2em; align-items: center; }
header nav a { color: #444; }
header .nav-primary a { color: #222; font-weight: 600; }
header .nav-resources {
  background: #f1f3f5;
  border-radius: 4px;
  padding: 0.3em 0.9em;
  gap: 1em;
}
header .nav-resources a { color: #555; font-size: 0.95em; }
header .nav-account a { color: #888; font-size: 0.9em; }
header nav a[aria-current="page"] {
  color: #0366d6;
  text-decoration: underline;
  text-underline-offset: 3px;
}

main {
  max-width: 800px;
  margin: 1em auto;
  padding: 0 1.2em;
}

h1 { font-size: 1.5em; margin: 0 0 0.8em; }
h3 { font-size: 1em; margin: 1.2em 0 0.4em; font-weight: bold; }

.muted { color: #555; font-size: 0.9em; }
.error { color: #d00; font-weight: bold; }

.meta {
  font-size: 0.9em;
  margin-bottom: 0.8em;
}

.body {
  white-space: pre-wrap;
  word-wrap: break-word;
  background: #eee;
  padding: 0.8em;
  font-family: monospace;
  font-size: 14px;
  margin-bottom: 1em;
  max-height: 500px;
  overflow-y: auto;
  border: 1px solid #ccc;
}
.body code { background: #ddd; padding: 0 2px; }
.body pre.code-block {
  background: #f0f0f0;
  border: 1px solid #ccc;
  padding: 0.5em;
  overflow-x: auto;
  margin: 0.5em 0;
}

.options { display: flex; flex-wrap: wrap; gap: 0.5em 1em; }
.opt {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  cursor: pointer;
}
.opt input { width: auto; }
.opt .box {
  padding: 0.2em 0.4em;
  border: 1px solid transparent;
}
.opt.checked .box {
  background: #ff0;
  border-color: #000;
}
.opt-key {
  font-size: 0.8em;
  color: #666;
}

.mode-toolbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.4em;
  margin: 0.5em 0 0.2em;
}

.warning {
  color: #aa6700;
  background: #fff8e1;
  border: 1px solid #e0c869;
  padding: 0.4em 0.6em;
  font-size: 13px;
  margin: 0.5em 0 0;
}

.notes { margin-top: 1.5em; }

.actions {
  display: flex;
  align-items: center;
  gap: 1em;
  margin-top: 1.5em;
}
.actions .spacer { flex: 1; }
.kbd {
  font-family: monospace;
  font-size: 0.8em;
  color: #666;
}

.progress {
  background: #eee;
  height: 10px;
  margin: 0.5em 0;
  border: 1px solid #ccc;
}
.progress > div {
  background: #000;
  height: 100%;
}

.hidden { display: none !important; }

ul.plain { padding-left: 1.5em; margin: 0.5em 0 1em; }

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 700px) {
  /* Touch screens have no keyboard; hide all shortcut hints. */
  .kbd, .opt-key { display: none !important; }

  header {
    padding: 0.5em 0.8em;
    gap: 0.5em;
  }
  header nav { gap: 0.7em; font-size: 14px; }
  header .nav-resources { padding: 0.25em 0.55em; gap: 0.7em; }
  header .nav-account a { font-size: 0.85em; }

  main { padding: 0 0.8em; }

  .body {
    max-height: 280px;
    padding: 0.6em 0.7em;
    font-size: 12px;
  }

  .opt .box {
    min-width: 4.5em;
    padding: 0.3em 0.7em;
    font-size: 13px;
  }
  .options { gap: 0.45em 0.5em; }

  .actions { flex-wrap: wrap; }

  fieldset { padding: 0.5em 0.7em; }
}