.code-intro {
  padding: 50px 0 42px;
}
.code-intro h1 {
  font-size: 58px;
  max-width: 1000px;
}
.code-lead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-top: 28px;
}
.code-lead p {
  max-width: 620px;
  font-size: 16px;
  color: var(--muted);
  margin: 0;
}
.code-lead a {
  flex-shrink: 0;
}
.architecture {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  margin-bottom: 58px;
}
.architecture div {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.architecture div > span {
  font:
    11px Consolas,
    monospace;
  color: var(--muted);
}
.architecture strong {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.045em;
}
.architecture small {
  font-size: 12px;
  color: var(--muted);
}
.architecture .arrow {
  font-size: 24px;
  color: #8e9a84;
}
.source-workbench {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 40px;
}
.source-workbench aside {
  min-width: 0;
}
#source-tabs {
  display: flex;
  flex-direction: column;
  gap: 0;
}
#source-tabs button {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font:
    14px Consolas,
    monospace;
  padding: 14px 10px;
}
#source-tabs button span {
  font-size: 12px;
  color: var(--muted);
}
#source-tabs button.selected {
  background: var(--ink);
  color: #f1f5e7;
  border-radius: 4px;
  border-color: var(--ink);
}
#source-tabs button.selected span {
  color: var(--lime);
}
.source-explanation {
  margin-top: 32px;
}
#source-number {
  font:
    12px Consolas,
    monospace;
  color: var(--muted);
}
#source-title {
  font-size: 26px;
  margin: 12px 0 16px;
  line-height: 1.2;
}
.source-explanation p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}
.takeaway {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.takeaway > span {
  font-size: 12px;
  font-weight: 800;
}
.takeaway p {
  margin-top: 10px;
}
.code-panel {
  background: var(--board);
  color: #e5eadf;
  border: 1px solid #313d36;
  border-radius: 8px;
  min-width: 0;
  overflow: hidden;
  align-self: start;
}
.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 18px;
  border-bottom: 1px solid #3a453e;
  font:
    13px Consolas,
    monospace;
}
.code-toolbar > div {
  display: flex;
  align-items: center;
  gap: 10px;
}
.code-toolbar button,
.code-toolbar a {
  color: #d7e7c2;
  font-family: Manrope, sans-serif;
  font-size: 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-color: #4b5948;
  padding: 8px 12px;
  border-radius: 5px;
}
.code-toolbar a:hover,
.code-toolbar button:hover {
  background: #2e3b2d;
}
.code-panel pre {
  font:
    13px/1.9 Consolas,
    "Courier New",
    monospace;
  tab-size: 4;
  margin: 0;
  padding: 25px;
  overflow: auto;
  height: 650px;
  white-space: pre;
  scrollbar-color: #56604f #182021;
}
.code-caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 18px;
  border-top: 1px solid #3a453e;
  font-size: 12px;
  color: #a9b8a7;
}
.token-comment {
  color: #9da996;
}
.token-keyword {
  color: #e5c898;
}
.token-string {
  color: #bed4a3;
}
.token-number {
  color: #a4d3d7;
}
#code-status {
  font-size: 14px;
  min-height: 24px;
  color: #4c6c34;
  margin-top: 20px;
}
.notes {
  margin-top: 60px;
}
.notes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px 70px;
}
.notes-grid article {
  display: grid;
  grid-template-columns: 25px 1fr;
  column-gap: 20px;
}
.notes-grid article > span {
  font:
    12px/2 Consolas,
    monospace;
  color: var(--muted);
}
.notes-grid h3 {
  font-size: 23px;
  margin-bottom: 14px;
}
.notes-grid p {
  grid-column: 2;
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}
.limitations {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  margin-top: 70px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.limitations h2 {
  font-size: 38px;
}
.limitations p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
}
.credits {
  margin-top: 55px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  padding-bottom: 30px;
}
.credits p {
  font-size: 12px;
  max-width: 740px;
  margin: 0;
  color: var(--muted);
}
.credits a {
  font-size: 12px;
  flex-shrink: 0;
}
@media (max-width: 1000px) {
  .source-workbench {
    grid-template-columns: 235px minmax(0, 1fr);
    gap: 24px;
  }
  .code-toolbar {
    flex-wrap: wrap;
    gap: 4px;
  }
  .architecture {
    gap: 15px;
  }
  .architecture strong {
    font-size: 21px;
  }
  .code-intro h1 {
    font-size: 48px;
  }
  .code-lead {
    gap: 30px;
  }
  .notes-grid {
    gap: 35px;
  }
  .limitations {
    gap: 40px;
  }
}
@media (max-width: 700px) {
  .code-intro {
    padding: 32px 0;
  }
  .code-intro h1 {
    font-size: 38px;
  }
  .code-lead {
    display: block;
    margin-top: 22px;
  }
  .code-lead p {
    font-size: 16px;
  }
  .code-lead a {
    margin-top: 16px;
  }
  .architecture {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 25px 0;
    margin-bottom: 40px;
  }
  .architecture .arrow {
    display: none;
  }
  .architecture strong {
    font-size: 22px;
  }
  .architecture small {
    font-size: 12px;
  }
  .source-workbench {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  #source-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  #source-tabs button {
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 13px;
    padding: 12px 10px;
  }
  .source-explanation {
    margin-top: 24px;
  }
  #source-title {
    font-size: 28px;
  }
  .source-explanation p {
    font-size: 16px;
  }
  .takeaway {
    margin-top: 20px;
    padding-top: 16px;
  }
  .takeaway p {
    font-size: 14px;
  }
  .code-panel pre {
    height: 460px;
    padding: 18px;
    font-size: 12px;
  }
  .code-toolbar {
    padding: 12px 14px;
    gap: 8px;
  }
  .code-toolbar > span {
    width: 100%;
  }
  .code-toolbar button,
  .code-toolbar a {
    font-size: 12px;
  }
  .code-caption {
    font-size: 12px;
    gap: 14px;
    align-items: center;
    padding: 12px 14px;
  }
  .code-caption span:last-child {
    text-align: right;
    max-width: 160px;
  }
  .notes {
    margin-top: 40px;
  }
  .notes-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .notes-grid h3 {
    font-size: 22px;
  }
  .notes-grid p {
    font-size: 16px;
  }
  .notes-grid article {
    grid-template-columns: 22px 1fr;
    column-gap: 14px;
  }
  .limitations {
    grid-template-columns: 1fr;
    gap: 4px;
    margin-top: 48px;
    padding-top: 24px;
  }
  .limitations h2 {
    font-size: 34px;
  }
  .limitations p {
    font-size: 16px;
  }
  .credits {
    display: block;
    margin-top: 34px;
  }
  .credits p {
    font-size: 12px;
  }
  .credits a {
    margin-top: 10px;
  }
}