body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  background-color: #fffdf7;
  background-image:
    linear-gradient(
      to right,
      transparent 0,
      transparent calc(5rem - 1px),
      rgba(190, 91, 91, 0.25) calc(5rem - 1px),
      rgba(190, 91, 91, 0.25) 5rem,
      transparent 5rem
    ),
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 31px,
      rgba(97, 151, 197, 0.2) 31px,
      rgba(97, 151, 197, 0.2) 32px
    ),
    radial-gradient(ellipse at top left, #fffefa, #f5f0df);
  color: #222;
  margin: 0;
  padding: 2rem 1rem;
}

h1 {
  font-size: 40px;
  text-shadow: 2px 3px 1px #999;
  margin-bottom: 0.25rem;
  text-align: center;
}

h2 {
  color: #555;
  font-weight: normal;
  margin-top: 0.5rem;
  text-align: center;
}

#page {
  max-width: 1100px;
  margin: 2rem auto;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

#app {
  flex: 1 1 55%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

label {
  font-weight: 600;
}

textarea {
  width: 100%;
  box-sizing: border-box;
  font-family: Consolas, Menlo, monospace;
  font-size: 15px;
  padding: 0.5rem;
  border: 1px solid #bbb;
  border-radius: 4px;
  resize: vertical;
}

#auto-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 14px;
}

#auto-row label {
  font-weight: 500;
}

#auto-delay {
  width: 120px;
  accent-color: #3355aa;
}

#auto-label {
  min-width: 4.5em;
  font-variant-numeric: tabular-nums;
  color: #555;
}

#status {
  padding: 0.5rem 0.75rem;
  border: 1px solid #c66;
  border-radius: 4px;
  background: #fbeaea;
  color: #922;
}

#status.info {
  border: 1px solid #bbb;
  background: #f0f4fa;
  color: #333;
}
#output {
  font-family: Consolas, Menlo, monospace;
  font-size: 15px;
  padding: 0.75rem;
  min-height: 2.5rem;
  border: 1px solid #bbb;
  border-radius: 4px;
  background: #fff;
}

#brand {
  text-shadow: none;
}

#ref {
  flex: 1 1 45%;
  max-width: 460px;
  background: #fff;
  border: 1px solid #bbb;
  border-radius: 4px;
  padding: 1rem 1.25rem;
}

#ref h3 {
  margin-top: 0;
  font-size: 20px;
}

#ref ul {
  padding-left: 1.25rem;
  line-height: 1.6;
}

#ref code {
  font-family: Consolas, Menlo, monospace;
  font-size: 0.9em;
  background: #f0f2f8;
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}

#ref-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  margin-top: 0.75rem;
}

#ref-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #555;
  border-bottom: 1px solid #ddd;
  padding: 0.25rem 0.5rem;
}

#ref-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}

#ref-table tr {
  cursor: pointer;
}

#ref-table tr:hover td {
  background: #f0f4fb;
}

#ref-table tr:hover .code {
  color: #3355aa;
}

#ref-table .code {
  font-family: Consolas, Menlo, monospace;
  font-size: 14px;
  white-space: normal;
  overflow-wrap: anywhere;
}

#ref-hint {
  font-size: 13px;
  color: #777;
  margin-bottom: 0;
}

@media (max-width: 800px) {
  #page {
    flex-direction: column;
  }

  #app,
  #ref {
    flex: 1 1 auto;
    width: 100%;
    max-width: none;
  }
}

#github-link {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  color: #555;
  z-index: 100;
  transition: color 0.2s;
}

#github-link:hover {
  color: #3355aa;
}