/* Generated from the supplied standalone HTML files. */

/* AWK Cheat Sheet */
.cheatsheet-page--awk { display: flow-root; }
.cheatsheet-page--awk {
  --accent: #00bcd4;
  --accent-deep: #3f51b5;
  --text-main: #f5f5f5;
  --text-muted: #b2b7c4;
  --text-soft: #8c92a3;
  --border-subtle: #2a2e37;
  --radius-lg: 14px;
  --radius-md: 10px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
}

.cheatsheet-page--awk * {
  box-sizing: border-box;
}

.cheatsheet-page--awk {
  scroll-behavior: smooth;
  color-scheme: dark;
}

.cheatsheet-page--awk {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 188, 212, 0.09), transparent 28rem),
    radial-gradient(circle at 88% 10%, rgba(63, 81, 181, 0.12), transparent 30rem),
    radial-gradient(circle at top, #181b22 0, #07080b 55%, #050407 100%);
  background-attachment: fixed;
  color: var(--text-main);
}

.cheatsheet-page--awk button,
.cheatsheet-page--awk input {
  font: inherit;
}

.cheatsheet-page--awk button,
.cheatsheet-page--awk a {
  -webkit-tap-highlight-color: transparent;
}

.cheatsheet-page--awk button:focus-visible,
.cheatsheet-page--awk a:focus-visible,
.cheatsheet-page--awk [role="tabpanel"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.cheatsheet-page--awk .outer {
  max-width: 1280px;
  margin: 1.8rem auto 2.4rem;
  padding: 0 1.6rem 2.8rem;
}

.cheatsheet-page--awk .page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.45rem;
}

.cheatsheet-page--awk .page-title {
  max-width: 740px;
}

.cheatsheet-page--awk .overline,
.cheatsheet-page--awk .eyebrow {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-family: "Fira Mono", Consolas, Menlo, monospace;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.17em;
}

.cheatsheet-page--awk .page-title h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.65rem);
  font-weight: 780;
  letter-spacing: -0.04em;
  line-height: 1;
}

.cheatsheet-page--awk .page-title h1::after {
  content: "_";
  margin-left: 0.1em;
  color: var(--accent);
  font-family: monospace;
  font-weight: 400;
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .cheatsheet-page--awk *,
.cheatsheet-page--awk *::before,
.cheatsheet-page--awk *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.cheatsheet-page--awk .page-title p {
  margin: 0.75rem 0 0;
  max-width: 620px;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.cheatsheet-page--awk .header-right {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: flex-end;
}

.cheatsheet-page--awk .back-button {
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: 1px solid #2a313f;
  background: linear-gradient(135deg, #1a222e, #10141d);
  color: var(--text-main);
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
  white-space: nowrap;
}

.cheatsheet-page--awk .back-button::before {
  content: "←";
}

.cheatsheet-page--awk .back-button:hover {
  background: radial-gradient(circle at top, #243142, #11151f);
  border-color: #0097a7;
  transform: translateY(-1px);
}

.cheatsheet-page--awk .mode-pill-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.cheatsheet-page--awk .mode-pill {
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  border: 1px solid #2a313f;
  color: var(--text-soft);
  background: radial-gradient(circle at top, #1b1f28, #11131a);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.cheatsheet-page--awk .mode-pill span.key {
  background: #0e1117;
  padding: 0.12rem 0.48rem;
  border-radius: 6px;
  border: 1px solid #2c3241;
  font-family: "Fira Mono", Consolas, Menlo, monospace;
  color: #dbe4ff;
}

.cheatsheet-page--awk .tab-shell {
  position: sticky;
  top: 0.75rem;
  z-index: 10;
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.8rem;
  padding: 0.62rem;
  border: 1px solid #292f3d;
  border-radius: var(--radius-lg);
  background: rgba(12, 14, 20, 0.88);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}

.cheatsheet-page--awk .tab-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 0.55rem;
  border-right: 1px solid #292f3d;
  font-family: monospace;
}

.cheatsheet-page--awk .tab-intro span {
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.cheatsheet-page--awk .tab-intro small {
  margin-top: 0.22rem;
  color: #6f7585;
  font-size: 0.61rem;
}

.cheatsheet-page--awk .tabs {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.1rem 0.05rem 0.35rem;
  scrollbar-width: thin;
  scrollbar-color: #303849 #11131a;
}

.cheatsheet-page--awk .tablinks {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.48rem 0.72rem;
  border: 1px solid #292f3d;
  border-radius: 9px;
  background: radial-gradient(circle at top, #1b1f28, #11131a);
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.78rem;
  white-space: nowrap;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease, transform 0.12s ease;
}

.cheatsheet-page--awk .tablinks:hover {
  color: #e7eafb;
  border-color: #3b4458;
  transform: translateY(-1px);
}

.cheatsheet-page--awk .tablinks.active {
  border-color: rgba(0, 188, 212, 0.68);
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.18), rgba(63, 81, 181, 0.16));
  color: #f6fdff;
  box-shadow: inset 0 0 0 1px rgba(0, 188, 212, 0.08), 0 7px 18px rgba(0, 0, 0, 0.32);
}

.cheatsheet-page--awk .tab-number {
  color: #697285;
  font-family: monospace;
  font-size: 0.65rem;
}

.cheatsheet-page--awk .tablinks.active .tab-number {
  color: var(--accent);
}

.cheatsheet-page--awk .section {
  animation: reveal 0.24s ease both;
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.cheatsheet-page--awk .section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.cheatsheet-page--awk .section-header h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -0.025em;
  color: #e9ecf6;
}

.cheatsheet-page--awk .section-header span.tag {
  flex: 0 0 auto;
  font-size: 0.78rem;
  color: var(--text-soft);
  border-radius: 999px;
  padding: 0.24rem 0.76rem;
  border: 1px solid #292f3d;
  background: #14171e;
}

.cheatsheet-page--awk .section-body {
  background: radial-gradient(circle at top left, #232733, #15171e 60%, #101117 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 1.4rem 1.3rem 1.7rem;
}

.cheatsheet-page--awk .note {
  display: flex;
  align-items: flex-start;
  gap: 0.82rem;
  margin-bottom: 1rem;
  padding: 0.88rem 1rem;
  border: 1px solid #2c3b4d;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #19212e, #121722);
  color: #b9c7d9;
  font-size: 0.88rem;
  line-height: 1.65;
}

.cheatsheet-page--awk .note strong {
  color: #e4f3ff;
}

.cheatsheet-page--awk .note-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: radial-gradient(circle at top, var(--accent), var(--accent-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: monospace;
  font-size: 0.78rem;
  font-weight: 800;
  margin-top: 0.08rem;
  color: #05070b;
  flex-shrink: 0;
  box-shadow: 0 0 22px rgba(0, 188, 212, 0.22);
}

.cheatsheet-page--awk .grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0.4rem;
}

.cheatsheet-page--awk .box {
  min-width: 0;
  background: linear-gradient(145deg, rgba(10, 12, 18, 0.85), rgba(20, 23, 32, 0.98));
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid #262b36;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.cheatsheet-page--awk .box-wide {
  grid-column: 1 / -1;
}

.cheatsheet-page--awk .box-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
  color: #e8ebf5;
  font-size: 0.91rem;
  font-weight: 690;
  letter-spacing: 0.012em;
}

.cheatsheet-page--awk .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(0, 188, 212, 0.65);
  flex: 0 0 auto;
}

.cheatsheet-page--awk .cmd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
}

.cheatsheet-page--awk .cmd-list li {
  display: grid;
  grid-template-columns: minmax(120px, 0.82fr) minmax(0, 1.35fr);
  align-items: start;
  gap: 0.7rem;
  padding: 0.47rem 0;
  line-height: 1.5;
  color: #f3f5ff;
  border-bottom: 1px solid rgba(45, 51, 65, 0.54);
}

.cheatsheet-page--awk .cmd-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.cheatsheet-page--awk .command-wrap {
  min-width: 0;
  display: inline-flex;
  align-items: flex-start;
  gap: 0.3rem;
}

.cheatsheet-page--awk .cmd-list code {
  min-width: 0;
  background: #090b10;
  border-radius: 6px;
  padding: 0.13rem 0.46rem;
  font-family: "Fira Mono", Consolas, Menlo, monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #dbe4ff;
  border: 1px solid #272d3a;
  overflow-wrap: anywhere;
}

.cheatsheet-page--awk .cmd-list .desc {
  color: #989fb0;
}

.cheatsheet-page--awk .copy-button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.55rem;
  border: 1px solid #303747;
  border-radius: 6px;
  background: #121620;
  color: #9ea8bd;
  font-family: monospace;
  font-size: 0.68rem;
  cursor: pointer;
  transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.cheatsheet-page--awk .copy-button:hover {
  border-color: #0097a7;
  background: #18202b;
  color: #e5fbff;
}

.cheatsheet-page--awk .copy-button.compact {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  justify-content: center;
  padding: 0;
  opacity: 0.38;
}

.cheatsheet-page--awk .cmd-list li:hover .copy-button.compact,
.cheatsheet-page--awk .copy-button.compact:focus-visible {
  opacity: 1;
}

.cheatsheet-page--awk .code-wrap {
  position: relative;
}

.cheatsheet-page--awk .code-wrap > .copy-button {
  position: absolute;
  top: 0.58rem;
  right: 0.58rem;
  z-index: 1;
}

.cheatsheet-page--awk pre {
  margin: 0;
  background: #10121a;
  border-radius: 9px;
  padding: 0.9rem 5.4rem 0.9rem 0.9rem;
  border: 1px solid #283041;
  overflow-x: auto;
  tab-size: 4;
}

.cheatsheet-page--awk pre code {
  font-family: "Fira Mono", Consolas, Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.65;
  color: #d8ffef;
}

.cheatsheet-page--awk .caption {
  margin: 0.7rem 0 0;
  color: #7f8799;
  font-size: 0.78rem;
  line-height: 1.55;
}

.cheatsheet-page--awk .page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  border: 1px solid #292f3d;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(10, 12, 18, 0.9), rgba(20, 23, 32, 0.98));
}

.cheatsheet-page--awk .page-footer > div {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.cheatsheet-page--awk .footer-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 9px;
  border: 1px solid #2f3b4c;
  background: #0d1118;
  color: var(--accent);
  font-family: monospace;
  font-size: 0.7rem;
  font-weight: 800;
}

.cheatsheet-page--awk .page-footer p {
  margin: 0;
  color: #858d9e;
  font-size: 0.8rem;
  line-height: 1.55;
}

.cheatsheet-page--awk .page-footer p strong {
  display: block;
  color: #d9deea;
}

.cheatsheet-page--awk .page-footer a {
  flex: 0 0 auto;
  color: #bceff5;
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.48rem 0.72rem;
  border-radius: 999px;
  border: 1px solid #315160;
  transition: color 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.cheatsheet-page--awk .page-footer a:hover {
  color: #ffffff;
  border-color: var(--accent);
  background: rgba(0, 188, 212, 0.08);
}

@media (max-width: 980px) {
  .cheatsheet-page--awk .outer {
    padding-inline: 1rem;
  }

  .cheatsheet-page--awk .cmd-list li {
    grid-template-columns: minmax(110px, 0.7fr) minmax(0, 1fr);
  }
}

@media (max-width: 780px) {
  .cheatsheet-page--awk .grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .cheatsheet-page--awk .box-wide {
    grid-column: auto;
  }

  .cheatsheet-page--awk .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .cheatsheet-page--awk .header-right {
    align-items: flex-start;
  }

  .cheatsheet-page--awk .mode-pill-row {
    justify-content: flex-start;
  }

  .cheatsheet-page--awk .tab-shell {
    top: 0.35rem;
    grid-template-columns: 1fr;
  }

  .cheatsheet-page--awk .tab-intro {
    display: none;
  }

  .cheatsheet-page--awk .section-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .cheatsheet-page--awk .page-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .cheatsheet-page--awk .outer {
    margin-top: 1rem;
    padding-inline: 0.7rem;
  }

  .cheatsheet-page--awk .section-body {
    padding: 0.85rem;
  }

  .cheatsheet-page--awk .box {
    padding: 0.85rem;
  }

  .cheatsheet-page--awk .cmd-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.34rem;
    padding: 0.6rem 0;
  }

  .cheatsheet-page--awk .command-wrap {
    justify-content: space-between;
  }

  .cheatsheet-page--awk .cmd-list code {
    font-size: 0.76rem;
  }

  .cheatsheet-page--awk .copy-button.compact {
    opacity: 0.7;
  }

  .cheatsheet-page--awk pre {
    padding: 3rem 0.75rem 0.75rem;
  }

  .cheatsheet-page--awk .page-footer > div {
    align-items: flex-start;
  }
}
/* Regular Expressions Cheat Sheet */
.cheatsheet-page--regex { display: flow-root; }
.cheatsheet-page--regex {
      color-scheme: dark;
      --accent: #00bcd4;
      --accent-strong: #35d9ee;
      --accent-soft: #0097a7;
      --bg: #07080b;
      --surface: #15171e;
      --surface-2: #10121a;
      --surface-3: #1a1e28;
      --text-main: #f5f7ff;
      --text-muted: #b2b7c4;
      --text-soft: #8c92a3;
      --border: #2a2e37;
      --code: #d8ffef;
      --yellow: #ffe492;
      --green: #c8ffb8;
      --radius-lg: 14px;
      --radius-md: 10px;
      --shadow: 0 18px 40px rgba(0, 0, 0, .48);
    }

    .cheatsheet-page--regex * { box-sizing: border-box; }

    .cheatsheet-page--regex { scroll-behavior: smooth; }

    .cheatsheet-page--regex {
      margin: 0;
      min-height: 100vh;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      background:
        radial-gradient(circle at 15% -10%, rgba(0, 188, 212, .14), transparent 30rem),
        radial-gradient(circle at 90% 15%, rgba(63, 81, 181, .11), transparent 28rem),
        linear-gradient(180deg, #10131a 0, var(--bg) 30rem, #050407 100%);
      color: var(--text-main);
    }

    .cheatsheet-page--regex button,
.cheatsheet-page--regex input { font: inherit; }

    .cheatsheet-page--regex .outer {
      width: min(1380px, calc(100% - 2rem));
      margin: 0 auto;
      padding: 2.2rem 0 3rem;
    }

    .cheatsheet-page--regex .hero {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: end;
      gap: 1.5rem;
      padding: 1.8rem;
      margin-bottom: 1rem;
      background: linear-gradient(145deg, rgba(35, 39, 51, .96), rgba(16, 18, 26, .98));
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
    }

    .cheatsheet-page--regex .hero::after {
      content: ".*";
      position: absolute;
      right: 1.2rem;
      top: -2.8rem;
      font: 800 9rem/1 "Fira Mono", Consolas, Menlo, monospace;
      color: rgba(0, 188, 212, .05);
      pointer-events: none;
    }

    .cheatsheet-page--regex .eyebrow {
      margin: 0 0 .5rem;
      color: var(--accent-strong);
      font: 700 .76rem/1.2 "Fira Mono", Consolas, Menlo, monospace;
      letter-spacing: .16em;
      text-transform: uppercase;
    }

    .cheatsheet-page--regex h1 {
      max-width: 850px;
      margin: 0;
      font-size: clamp(2rem, 5vw, 3.7rem);
      line-height: 1.02;
      letter-spacing: -.04em;
    }

    .cheatsheet-page--regex .hero p {
      max-width: 760px;
      margin: .8rem 0 0;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .cheatsheet-page--regex .practice-link {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      padding: .72rem 1rem;
      border: 1px solid var(--accent-soft);
      border-radius: 999px;
      background: rgba(0, 151, 167, .12);
      color: #dffcff;
      text-decoration: none;
      white-space: nowrap;
      transition: transform .16s ease, background .16s ease;
    }

    .cheatsheet-page--regex .practice-link:hover,
.cheatsheet-page--regex .practice-link:focus-visible {
      background: rgba(0, 188, 212, .22);
      transform: translateY(-2px);
      outline: none;
    }

    .cheatsheet-page--regex .tabs-shell {
      position: sticky;
      top: 0;
      z-index: 10;
      padding: .7rem 0;
      background: linear-gradient(180deg, rgba(7, 8, 11, .98) 80%, transparent);
    }

    .cheatsheet-page--regex .topnav {
      display: flex;
      gap: .5rem;
      overflow-x: auto;
      padding: .55rem;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: rgba(16, 18, 26, .94);
      box-shadow: 0 12px 28px rgba(0, 0, 0, .36);
      scrollbar-width: thin;
      scrollbar-color: var(--accent-soft) transparent;
    }

    .cheatsheet-page--regex .tablinks {
      flex: 0 0 auto;
      padding: .62rem .86rem;
      border: 1px solid transparent;
      border-radius: 8px;
      background: transparent;
      color: var(--text-muted);
      cursor: pointer;
      transition: color .16s ease, background .16s ease, border-color .16s ease;
    }

    .cheatsheet-page--regex .tablinks:hover { color: var(--text-main); background: var(--surface-3); }

    .cheatsheet-page--regex .tablinks.active {
      color: #061014;
      border-color: var(--accent-strong);
      background: linear-gradient(135deg, var(--accent-strong), var(--accent-soft));
      font-weight: 750;
    }

    .cheatsheet-page--regex .tablinks:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }

    .cheatsheet-page--regex .tabcontent {
      display: none;
      padding-top: .4rem;
      animation: reveal .24s ease both;
    }

    .cheatsheet-page--regex .tabcontent.active-panel { display: block; }

    @keyframes reveal {
      from { opacity: 0; transform: translateY(5px); }
      to { opacity: 1; transform: none; }
    }

    .cheatsheet-page--regex .section-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      margin: .8rem 0;
    }

    .cheatsheet-page--regex .section-header h2 { margin: 0; font-size: 1.35rem; letter-spacing: .02em; }

    .cheatsheet-page--regex .tag {
      flex: 0 0 auto;
      padding: .25rem .7rem;
      border: 1px solid #292f3d;
      border-radius: 999px;
      background: #14171e;
      color: var(--text-soft);
      font-size: .78rem;
    }

    .cheatsheet-page--regex .section-body {
      padding: 1.25rem;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: radial-gradient(circle at top left, #232733, #15171e 60%, #101117 100%);
      box-shadow: var(--shadow);
    }

    .cheatsheet-page--regex .note {
      display: flex;
      align-items: flex-start;
      gap: .75rem;
      margin-bottom: 1rem;
      padding: .9rem 1rem;
      border: 1px solid #283246;
      border-radius: var(--radius-md);
      background: linear-gradient(135deg, #19212e, #151821);
      color: var(--text-muted);
      line-height: 1.55;
    }

    .cheatsheet-page--regex .note-icon {
      display: grid;
      flex: 0 0 28px;
      width: 28px;
      height: 28px;
      place-items: center;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent), #3f51b5);
      color: #05070b;
      font-weight: 850;
    }

    .cheatsheet-page--regex .note strong { color: #e4f3ff; }

    .cheatsheet-page--regex .table-wrap {
      overflow-x: auto;
      border: 1px solid rgba(64, 72, 96, .72);
      border-radius: var(--radius-md);
      background: rgba(9, 11, 16, .62);
    }

    .cheatsheet-page--regex table { width: 100%; border-collapse: collapse; min-width: 720px; }

    .cheatsheet-page--regex th,
.cheatsheet-page--regex td {
      padding: .78rem .85rem;
      border-bottom: 1px solid #252a36;
      text-align: left;
      vertical-align: top;
      line-height: 1.48;
    }

    .cheatsheet-page--regex th {
      position: sticky;
      top: 0;
      background: #1c202b;
      color: #dce5f8;
      font-size: .78rem;
      letter-spacing: .06em;
      text-transform: uppercase;
    }

    .cheatsheet-page--regex tr:last-child td { border-bottom: 0; }
    .cheatsheet-page--regex tbody tr:hover { background: rgba(0, 188, 212, .045); }
    .cheatsheet-page--regex td { color: var(--text-muted); }
    .cheatsheet-page--regex td:first-child { width: 16%; color: var(--text-main); }

    .cheatsheet-page--regex code,
.cheatsheet-page--regex .pattern {
      display: inline-block;
      padding: .08rem .42rem;
      border: 1px solid #2b3342;
      border-radius: 5px;
      background: #090b10;
      color: var(--code);
      font-family: "Fira Mono", Consolas, Menlo, monospace;
      font-size: .9em;
      white-space: nowrap;
    }

    .cheatsheet-page--regex .grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
    }

    .cheatsheet-page--regex .box {
      padding: 1rem;
      border: 1px solid rgba(64, 72, 96, .72);
      border-radius: var(--radius-md);
      background: linear-gradient(145deg, rgba(10, 12, 18, .86), rgba(20, 23, 32, .98));
      box-shadow: 0 12px 26px rgba(0, 0, 0, .5);
    }

    .cheatsheet-page--regex .box h3 { margin: 0 0 .7rem; font-size: 1rem; color: #d7def2; }
    .cheatsheet-page--regex .box h3::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: .5rem; border-radius: 50%; background: var(--accent); }
    .cheatsheet-page--regex .box p,
.cheatsheet-page--regex .box li { color: var(--text-muted); line-height: 1.6; }
    .cheatsheet-page--regex .box ul { margin: .4rem 0 0; padding-left: 1.2rem; }
    .cheatsheet-page--regex .box li + li { margin-top: .42rem; }

    .cheatsheet-page--regex .footer {
      padding: 1.8rem 0 .2rem;
      color: var(--text-soft);
      text-align: center;
      font-size: .85rem;
    }

    .cheatsheet-page--regex .footer a { color: #a4e1ff; }

    @media (max-width: 820px) {
      .cheatsheet-page--regex .outer { width: min(100% - 1rem, 1380px); padding-top: .5rem; }
      .cheatsheet-page--regex .hero { grid-template-columns: 1fr; padding: 1.25rem; }
      .cheatsheet-page--regex .practice-link { justify-self: start; }
      .cheatsheet-page--regex .grid { grid-template-columns: 1fr; }
      .cheatsheet-page--regex .section-header { align-items: flex-start; flex-direction: column; gap: .45rem; }
      .cheatsheet-page--regex .section-body { padding: .8rem; }
    }

    @media (prefers-reduced-motion: reduce) {
      .cheatsheet-page--regex *,
.cheatsheet-page--regex *::before,
.cheatsheet-page--regex *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
    }

    .cheatsheet-page--regex /* Visual system matched to the supplied tmux-cheatsheet.html reference. */
    body {
      min-height: auto;
      background: radial-gradient(circle at top, #181b22 0, #07080b 55%, #050407 100%);
      color: #f5f5f5;
    }

    .cheatsheet-page--regex .outer {
      width: auto;
      max-width: 1280px;
      margin: 1.8rem auto 2.4rem auto;
      padding: 0 1.6rem 2.8rem 1.6rem;
    }

    .cheatsheet-page--regex .hero {
      position: static;
      overflow: visible;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 1rem;
      padding: 0;
      margin-bottom: 1.8rem;
      background: none;
      border: 0;
      border-radius: 0;
      box-shadow: none;
    }

    .cheatsheet-page--regex .hero::after { content: none; }

    .cheatsheet-page--regex .eyebrow { display: none; }

    .cheatsheet-page--regex .hero h1 {
      max-width: none;
      margin: 0;
      font-size: 1.9rem;
      line-height: normal;
      font-weight: 760;
      letter-spacing: .03em;
    }

    .cheatsheet-page--regex .hero p {
      max-width: none;
      margin: .25rem 0 0;
      font-size: .9rem;
      line-height: normal;
      color: #8c92a3;
    }

    .cheatsheet-page--regex .practice-link {
      position: static;
      z-index: auto;
      padding: .5rem 1.1rem;
      border-radius: 999px;
      border: 1px solid #2a313f;
      background: linear-gradient(135deg, #1a222e, #10141d);
      color: #f5f5f5;
      font-size: .86rem;
      gap: .4rem;
      box-shadow: 0 12px 28px rgba(0,0,0,.6);
      transition: background .18s ease, border-color .18s ease, transform .12s ease;
    }

    .cheatsheet-page--regex .practice-link::before { content: "↗"; font-size: .9rem; color: #00bcd4; }

    .cheatsheet-page--regex .practice-link:hover,
.cheatsheet-page--regex .practice-link:focus-visible {
      background: radial-gradient(circle at top, #243142, #11151f);
      border-color: #0097a7;
      transform: translateY(-1px);
    }

    .cheatsheet-page--regex .tabs-shell {
      padding: 0 0 1rem;
      background: linear-gradient(180deg, rgba(7,8,11,.98) 82%, transparent);
    }

    .cheatsheet-page--regex .topnav {
      padding: .45rem;
      border: 1px solid rgba(64,72,96,.7);
      border-radius: 10px;
      background: linear-gradient(145deg, rgba(10,12,18,.85), rgba(20,23,32,.98));
      box-shadow: 0 12px 26px rgba(0,0,0,.7);
    }

    .cheatsheet-page--regex .tablinks {
      padding: .5rem .78rem;
      border: 1px solid #272d3a;
      border-radius: 6px;
      background: #090b10;
      color: #b2b7c4;
      font-size: .86rem;
    }

    .cheatsheet-page--regex .tablinks:hover {
      color: #f5f5f5;
      border-color: #3a4354;
      background: #151922;
    }

    .cheatsheet-page--regex .tablinks.active {
      color: #e4f3ff;
      border-color: #0097a7;
      background: radial-gradient(circle at top, #243142, #11151f);
      box-shadow: inset 0 -2px 0 #00bcd4;
      font-weight: 600;
    }

    .cheatsheet-page--regex .tablinks:focus-visible { outline-color: #00bcd4; }

    .cheatsheet-page--regex .tabcontent { padding-top: .4rem; }

    .cheatsheet-page--regex .section-header {
      margin: 0 0 .9rem;
    }

    .cheatsheet-page--regex .section-header h2 {
      margin: 0;
      font-size: 1.15rem;
      letter-spacing: .04em;
      color: #e2e6f3;
    }

    .cheatsheet-page--regex .tag { padding: .18rem .7rem; }

    .cheatsheet-page--regex .section-body {
      padding: 1.4rem 1.3rem 1.7rem 1.3rem;
      border-color: #2a2e37;
      box-shadow: 0 18px 40px rgba(0,0,0,.55);
    }

    .cheatsheet-page--regex .note {
      gap: .7rem;
      margin-bottom: 1.1rem;
      font-size: .9rem;
      line-height: normal;
      background: linear-gradient(135deg, #19212e 0, #151922 45%, #151821 100%);
    }

    .cheatsheet-page--regex .note-icon {
      display: flex;
      width: 26px;
      height: 26px;
      flex-basis: 26px;
      align-items: center;
      justify-content: center;
      margin-top: .1rem;
      background: radial-gradient(circle at top, #00bcd4, #3f51b5);
      font-size: .9rem;
    }

    .cheatsheet-page--regex .grid { margin-top: .4rem; }

    .cheatsheet-page--regex .box {
      min-height: 0;
      padding: .95rem .95rem .9rem 1.1rem;
      border-color: rgba(64,72,96,.7);
      background: linear-gradient(145deg, rgba(10,12,18,.85), rgba(20,23,32,.98));
      box-shadow: 0 12px 26px rgba(0,0,0,.7);
    }

    .cheatsheet-page--regex .box h3 {
      margin-bottom: .5rem;
      font-size: .9rem;
      font-weight: 600;
    }

    .cheatsheet-page--regex .box p,
.cheatsheet-page--regex .box li { font-size: .86rem; line-height: 1.6; }

    .cheatsheet-page--regex .table-wrap {
      border-color: rgba(64,72,96,.7);
      background: linear-gradient(145deg, rgba(10,12,18,.85), rgba(20,23,32,.98));
      box-shadow: 0 12px 26px rgba(0,0,0,.7);
    }

    .cheatsheet-page--regex th {
      background: #10121a;
      color: #d7def2;
      font-size: .78rem;
      font-weight: 600;
      letter-spacing: .04em;
    }

    .cheatsheet-page--regex th,
.cheatsheet-page--regex td { padding: .68rem .78rem; }
    .cheatsheet-page--regex td { font-size: .86rem; }

    .cheatsheet-page--regex code,
.cheatsheet-page--regex .pattern {
      border-color: #272d3a;
      border-radius: 6px;
      color: #dbe4ff;
      font-size: .88em;
    }

    @media (max-width: 780px) {
      .cheatsheet-page--regex .outer { width: auto; padding-inline: 1rem; }
      .cheatsheet-page--regex .hero { flex-direction: column; align-items: flex-start; padding: 0; }
      .cheatsheet-page--regex .practice-link { justify-self: auto; }
    }
/* tmux Cheat Sheet */
.cheatsheet-page--tmux { display: flow-root; }
.cheatsheet-page--tmux {
      --accent: #00bcd4;
      --accent-soft: #0097a7;
      --text-main: #f5f5f5;
      --text-muted: #b2b7c4;
      --text-soft: #8c92a3;
      --border-subtle: #2a2e37;
      --radius-lg: 14px;
      --radius-md: 10px;
      --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
    }

    .cheatsheet-page--tmux * {
      box-sizing: border-box;
    }

    .cheatsheet-page--tmux {
      margin: 0;
      padding: 0;
      font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
      background: radial-gradient(circle at top, #181b22 0, #07080b 55%, #050407 100%);
      color: var(--text-main);
    }

    .cheatsheet-page--tmux .outer {
      max-width: 1280px;
      margin: 1.8rem auto 2.4rem auto;
      padding: 0 1.6rem 2.8rem 1.6rem;
    }

    .cheatsheet-page--tmux .page-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 1.8rem;
      gap: 1rem;
    }

    .cheatsheet-page--tmux .page-title {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    .cheatsheet-page--tmux .page-title h1 {
      margin: 0;
      font-size: 1.9rem;
      font-weight: 760;
      letter-spacing: 0.03em;
    }

    .cheatsheet-page--tmux .page-title p {
      margin: 0;
      font-size: 0.9rem;
      color: var(--text-soft);
    }

    .cheatsheet-page--tmux .back-button {
      text-decoration: none;
      padding: 0.5rem 1.1rem;
      border-radius: 999px;
      border: 1px solid #2a313f;
      background: linear-gradient(135deg, #1a222e, #10141d);
      color: var(--text-main);
      font-size: 0.86rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      box-shadow: 0 12px 28px rgba(0,0,0,0.6);
      transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
      white-space: nowrap;
    }

    .cheatsheet-page--tmux .back-button::before {
      content: "←";
      font-size: 0.9rem;
      color: var(--accent);
    }

    .cheatsheet-page--tmux .back-button:hover {
      background: radial-gradient(circle at top, #243142, #11151f);
      border-color: var(--accent-soft);
      transform: translateY(-1px);
    }

    .cheatsheet-page--tmux .section {
      margin-bottom: 2.4rem;
    }

    .cheatsheet-page--tmux .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.9rem;
    }

    .cheatsheet-page--tmux .section-header h2 {
      margin: 0;
      font-size: 1.15rem;
      letter-spacing: 0.04em;
      color: #e2e6f3;
    }

    .cheatsheet-page--tmux .section-header span.tag {
      font-size: 0.78rem;
      color: var(--text-soft);
      border-radius: 999px;
      padding: 0.18rem 0.7rem;
      border: 1px solid #292f3d;
      background: #14171e;
    }

    .cheatsheet-page--tmux .section-body {
      background: radial-gradient(circle at top left, #232733, #15171e 60%, #101117 100%);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-soft);
      padding: 1.4rem 1.3rem 1.7rem 1.3rem;
    }

    .cheatsheet-page--tmux .note {
      background: linear-gradient(135deg, #19212e 0, #151922 45%, #151821 100%);
      border-radius: var(--radius-md);
      border: 1px solid #283246;
      padding: 0.9rem 1rem;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.1rem;
      display: flex;
      gap: 0.7rem;
      align-items: flex-start;
    }

    .cheatsheet-page--tmux .note strong {
      color: #e4f3ff;
    }

    .cheatsheet-page--tmux .note-icon {
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: radial-gradient(circle at top, var(--accent), #3f51b5);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      margin-top: 0.1rem;
      color: #05070b;
      flex-shrink: 0;
    }

    .cheatsheet-page--tmux .grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 0.4rem;
    }

    .cheatsheet-page--tmux .box {
      background: linear-gradient(145deg, rgba(10,12,18,0.85), rgba(20,23,32,0.98));
      border-radius: var(--radius-md);
      padding: 0.95rem 0.95rem 0.9rem 1.1rem;
      border: 1px solid rgba(64,72,96,0.7);
      box-shadow: 0 12px 26px rgba(0,0,0,0.7);
      min-height: 0;
    }

    .cheatsheet-page--tmux .box-title {
      font-size: 0.9rem;
      font-weight: 600;
      color: #d7def2;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .cheatsheet-page--tmux .box-title span.dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
    }

    .cheatsheet-page--tmux .cmd-list {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 0.9rem;
    }

    .cheatsheet-page--tmux .cmd-list li {
      margin-bottom: 0.22rem;
      line-height: 1.6;
      color: #f3f5ff;
    }

    .cheatsheet-page--tmux .cmd-list code {
      background: #090b10;
      border-radius: 6px;
      padding: 0.08rem 0.48rem;
      margin-right: 0.42rem;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
      font-size: 0.88rem;
      color: #dbe4ff;
      border: 1px solid #272d3a;
    }

    .cheatsheet-page--tmux .cmd-list .desc {
      color: var(--text-muted);
      font-size: 0.86rem;
    }

    .cheatsheet-page--tmux .cmd-list .highlight {
      background: #1c3120;
      color: #c8ffb8;
      padding: 0 0.35rem;
      border-radius: 4px;
      font-weight: 600;
      margin-right: 0.25rem;
    }

    .cheatsheet-page--tmux .cmd-list .hotkey {
      color: #ffe492;
      margin-left: 0.35rem;
      font-size: 0.86rem;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
    }

    .cheatsheet-page--tmux .cmd-list .warn {
      color: #ffe6a0;
      font-size: .86rem;
      margin-left: .4em;
      font-style: italic;
    }

    .cheatsheet-page--tmux pre {
      margin: 0.6rem 0 0.1rem 0;
      background: #10121a;
      border-radius: 9px;
      padding: 0.7rem 0.8rem;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
      font-size: 0.85rem;
      color: #d8ffef;
      border: 1px solid #283041;
      overflow-x: auto;
    }

    .cheatsheet-page--tmux a.inline-link {
      color: #a4e1ff;
      text-decoration: none;
    }

    .cheatsheet-page--tmux a.inline-link:hover {
      text-decoration: underline;
    }

    @media (max-width: 980px) {
      .cheatsheet-page--tmux .outer {
        padding-inline: 1rem;
      }
    }

/*
 * Material for MkDocs layout overrides.
 * These apply only when a cheat-sheet wrapper is present on the page.
 */
@supports selector(.md-main__inner:has(.cheatsheet-page)) {
  .md-main__inner:has(.cheatsheet-page) {
    width: 100%;
    max-width: none;
    margin-inline: 0;
  }

  .md-content:has(.cheatsheet-page) {
    width: 100%;
    max-width: none;
  }

  .md-content__inner:has(.cheatsheet-page) {
    margin: 0;
  }

  .md-content__inner:has(.cheatsheet-page)::before {
    display: none;
  }
}

.cheatsheet-page--awk .outer,
.cheatsheet-page--regex .outer,
.cheatsheet-page--tmux .outer,
.cheatsheet-page--vim .outer {
  width: min(100% - 2rem, 1920px);
  max-width: 1920px;
}

.cheatsheet-page--awk .grid,
.cheatsheet-page--regex .grid,
.cheatsheet-page--tmux .grid,
.cheatsheet-page--vim .grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 30rem), 1fr));
}

    @media (max-width: 780px) {
      .cheatsheet-page--tmux .grid {
        grid-template-columns: minmax(0, 1fr);
      }
      .cheatsheet-page--tmux .page-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }
/* Vim Cheat Sheet */
.cheatsheet-page--vim { display: flow-root; }
.cheatsheet-page--vim {
      --accent: #00bcd4;
      --text-main: #f5f5f5;
      --text-muted: #b2b7c4;
      --text-soft: #8c92a3;
      --border-subtle: #2a2e37;
      --radius-lg: 14px;
      --radius-md: 10px;
      --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
    }

    .cheatsheet-page--vim * {
      box-sizing: border-box;
    }

    .cheatsheet-page--vim {
      margin: 0;
      padding: 0;
      font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
      background: radial-gradient(circle at top, #181b22 0, #07080b 55%, #050407 100%);
      color: var(--text-main);
    }

    .cheatsheet-page--vim /* Contenedor principal */
    .outer {
      max-width: 1280px;
      margin: 1.8rem auto 2.4rem auto;
      padding: 0 1.6rem 2.8rem 1.6rem;
    }

    .cheatsheet-page--vim .page-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 1.8rem;
      gap: 1rem;
    }

    .cheatsheet-page--vim .page-title {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    .cheatsheet-page--vim .page-title h1 {
      margin: 0;
      font-size: 1.9rem;
      font-weight: 760;
      letter-spacing: 0.03em;
    }

    .cheatsheet-page--vim .page-title p {
      margin: 0;
      font-size: 0.9rem;
      color: var(--text-soft);
    }

    .cheatsheet-page--vim .header-right {
      display: flex;
      flex-direction: column;
      gap: 0.7rem;
      align-items: flex-end;
    }

    .cheatsheet-page--vim .back-button {
      text-decoration: none;
      padding: 0.5rem 1.1rem;
      border-radius: 999px;
      border: 1px solid #2a313f;
      background: linear-gradient(135deg, #1a222e, #10141d);
      color: var(--text-main);
      font-size: 0.86rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      box-shadow: 0 12px 28px rgba(0,0,0,0.6);
      transition: background 0.18s ease, border-color 0.18s ease, transform 0.12s ease;
      white-space: nowrap;
    }

    .cheatsheet-page--vim .back-button::before {
      content: "←";
      font-size: 0.9rem;
      color: var(--accent);
    }

    .cheatsheet-page--vim .back-button:hover {
      background: radial-gradient(circle at top, #243142, #11151f);
      border-color: #0097a7;
      transform: translateY(-1px);
    }

    .cheatsheet-page--vim .mode-pill-row {
      display: flex;
      gap: 0.45rem;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .cheatsheet-page--vim .mode-pill {
      padding: 0.25rem 0.75rem;
      border-radius: 999px;
      font-size: 0.8rem;
      border: 1px solid #2a313f;
      color: var(--text-soft);
      background: radial-gradient(circle at top, #1b1f28, #11131a);
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    .cheatsheet-page--vim .mode-pill span.key {
      background: #0e1117;
      padding: 0.12rem 0.48rem;
      border-radius: 6px;
      border: 1px solid #2c3241;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
      font-size: 0.75rem;
      color: #c5cbe0;
    }

    .cheatsheet-page--vim /* Bloques de secciones */
    .section {
      margin-bottom: 2.4rem;
    }

    .cheatsheet-page--vim .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.9rem;
    }

    .cheatsheet-page--vim .section-header h2 {
      margin: 0;
      font-size: 1.15rem;
      letter-spacing: 0.04em;
      color: #e2e6f3;
    }

    .cheatsheet-page--vim .section-header span.tag {
      font-size: 0.78rem;
      color: var(--text-soft);
      border-radius: 999px;
      padding: 0.18rem 0.7rem;
      border: 1px solid #292f3d;
      background: #14171e;
    }

    .cheatsheet-page--vim .section-body {
      background: radial-gradient(circle at top left, #232733, #15171e 60%, #101117 100%);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-soft);
      padding: 1.4rem 1.3rem 1.7rem 1.3rem;
    }

    .cheatsheet-page--vim .note {
      background: linear-gradient(135deg, #19212e 0, #151922 45%, #151821 100%);
      border-radius: var(--radius-md);
      border: 1px solid #283246;
      padding: 0.9rem 1rem;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.1rem;
      display: flex;
      gap: 0.7rem;
      align-items: flex-start;
    }

    .cheatsheet-page--vim .note strong {
      color: #e4f3ff;
    }

    .cheatsheet-page--vim .note-icon {
      width: 26px;
      height: 26px;
      border-radius: 999px;
      background: radial-gradient(circle at top, var(--accent), #3f51b5);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      margin-top: 0.1rem;
      color: #05070b;
      flex-shrink: 0;
    }

    .cheatsheet-page--vim .grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
      margin-top: 0.4rem;
    }

    .cheatsheet-page--vim .box {
      background: linear-gradient(145deg, rgba(10,12,18,0.85), rgba(20,23,32,0.98));
      border-radius: var(--radius-md);
      padding: 0.95rem 0.95rem 0.9rem 1.1rem;
      border: 1px solid rgba(64,72,96,0.7);
      box-shadow: 0 12px 26px rgba(0,0,0,0.7);
      min-height: 0;
    }

    .cheatsheet-page--vim .box-title {
      font-size: 0.9rem;
      font-weight: 600;
      color: #d7def2;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }

    .cheatsheet-page--vim .box-title span.dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
    }

    .cheatsheet-page--vim .cmd-list {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 0.9rem;
    }

    .cheatsheet-page--vim .cmd-list li {
      margin-bottom: 0.22rem;
      line-height: 1.6;
      color: #f3f5ff;
    }

    .cheatsheet-page--vim .cmd-list code {
      background: #090b10;
      border-radius: 6px;
      padding: 0.08rem 0.48rem;
      margin-right: 0.42rem;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
      font-size: 0.88rem;
      color: #dbe4ff;
      border: 1px solid #272d3a;
    }

    .cheatsheet-page--vim .cmd-list .desc {
      color: var(--text-muted);
      font-size: 0.86rem;
    }

    .cheatsheet-page--vim .cmd-list .highlight {
      background: #1c3120;
      color: #c8ffb8;
      padding: 0 0.35rem;
      border-radius: 4px;
      font-weight: 600;
      margin-right: 0.25rem;
    }

    .cheatsheet-page--vim pre {
      margin: 0.6rem 0 0.1rem 0;
      background: #10121a;
      border-radius: 9px;
      padding: 0.7rem 0.8rem;
      font-family: "Fira Mono","Consolas","Menlo",monospace;
      font-size: 0.85rem;
      color: #d8ffef;
      border: 1px solid #283041;
      overflow-x: auto;
    }

    @media (max-width: 980px) {
      .cheatsheet-page--vim .outer {
        padding-inline: 1rem;
      }
    }

    @media (max-width: 780px) {
      .cheatsheet-page--vim .grid {
        grid-template-columns: minmax(0, 1fr);
      }
      .cheatsheet-page--vim .page-header {
        flex-direction: column;
        align-items: flex-start;
      }
      .cheatsheet-page--vim .header-right {
        align-items: flex-start;
      }
      .cheatsheet-page--vim .mode-pill-row {
        justify-content: flex-start;
      }
    }

/* Vim is defined after the shared layout block, so repeat its width override. */
.cheatsheet-page--vim .outer {
  width: min(100% - 2rem, 1920px);
  max-width: 1920px;
}

.cheatsheet-page--vim .grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 30rem), 1fr));
}

/* Compact typography for the wider cheat-sheet layout. */
.cheatsheet-page {
  font-size: 0.82rem;
}

.cheatsheet-page .page-title h1,
.cheatsheet-page .hero h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.9rem);
}

.cheatsheet-page .section-header h2 {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

.cheatsheet-page .box-title,
.cheatsheet-page .box h3 {
  font-size: 0.82rem;
}

.cheatsheet-page .page-title p,
.cheatsheet-page .hero p,
.cheatsheet-page .note,
.cheatsheet-page .caption,
.cheatsheet-page .footer,
.cheatsheet-page .page-footer,
.cheatsheet-page .box p,
.cheatsheet-page .box li,
.cheatsheet-page .cmd-list,
.cheatsheet-page .cmd-list li,
.cheatsheet-page .cmd-list .desc,
.cheatsheet-page td,
.cheatsheet-page th {
  font-size: 0.75rem;
  line-height: 1.5;
}

.cheatsheet-page .tablinks,
.cheatsheet-page .mode-pill,
.cheatsheet-page .back-button,
.cheatsheet-page .practice-link,
.cheatsheet-page .tag,
.cheatsheet-page .eyebrow,
.cheatsheet-page .overline {
  font-size: 0.7rem;
}

.cheatsheet-page code,
.cheatsheet-page pre,
.cheatsheet-page .pattern,
.cheatsheet-page .cmd-list code {
  font-size: 0.7rem;
}

/* Compact, immersive presentation used only by cheat-sheet pages. */
@supports selector(body:has(.cheatsheet-page)) {
  body:has(.cheatsheet-page) .md-header,
  body:has(.cheatsheet-page) .md-tabs {
    display: none;
  }
}

.cheatsheet-page--awk .outer,
.cheatsheet-page--regex .outer,
.cheatsheet-page--tmux .outer,
.cheatsheet-page--vim .outer {
  margin: 0.65rem auto 1.25rem;
  padding: 0 0.9rem 1.5rem;
}

.cheatsheet-page .page-header,
.cheatsheet-page .hero {
  gap: 1rem;
  margin-bottom: 0.7rem;
  padding: 0;
}

.cheatsheet-page .page-title p,
.cheatsheet-page .hero p {
  margin-top: 0.35rem;
  margin-bottom: 0;
  line-height: 1.45;
}

.cheatsheet-page .header-right {
  gap: 0.4rem;
}

.cheatsheet-page .header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.cheatsheet-page--regex .dashboard-link::before {
  content: "←";
}

.cheatsheet-page .tab-shell,
.cheatsheet-page .tabs-shell {
  margin-bottom: 0.85rem;
  padding: 0.38rem;
}

.cheatsheet-page .topnav,
.cheatsheet-page .tabs {
  padding: 0.25rem;
}

.cheatsheet-page .tablinks {
  padding: 0.38rem 0.58rem;
}

.cheatsheet-page .section,
.cheatsheet-page .tabcontent {
  margin-bottom: 1.2rem;
}

.cheatsheet-page .section-header {
  margin-bottom: 0.5rem;
}

.cheatsheet-page .section-body {
  padding: 0.85rem;
}

.cheatsheet-page .note {
  margin-bottom: 0.65rem;
  padding: 0.62rem 0.75rem;
}

.cheatsheet-page .grid {
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.cheatsheet-page .box {
  padding: 0.75rem;
}

/* Smaller page and section titles for the compact presentation. */
.cheatsheet-page .page-title h1,
.cheatsheet-page .hero h1 {
  font-size: clamp(1.5rem, 2.5vw, 2.15rem);
  line-height: 1.05;
}

.cheatsheet-page .section-header h2 {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  line-height: 1.2;
}

.cheatsheet-page .page-title p,
.cheatsheet-page .hero p {
  font-size: 0.7rem;
}

/* Keep the AWK index heading horizontal and let its column fit the label. */
.cheatsheet-page--awk .tab-shell {
  grid-template-columns: max-content minmax(0, 1fr);
}

.cheatsheet-page--awk .tab-intro {
  min-width: 6.5rem;
}

.cheatsheet-page--awk .tab-intro > span {
  white-space: nowrap;
}

@media (max-width: 780px) {
  .cheatsheet-page--awk .tab-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .cheatsheet-page--awk .tab-intro {
    min-width: 0;
  }
}

/* Final compact type scale, with extra emphasis on the top control area. */
.cheatsheet-page {
  font-size: 0.72rem;
}

.cheatsheet-page .page-title h1,
.cheatsheet-page .hero h1 {
  margin-block: 0;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.02;
}

.cheatsheet-page .section-header h2 {
  font-size: clamp(0.85rem, 1.15vw, 1rem);
}

.cheatsheet-page .page-title p,
.cheatsheet-page .hero p,
.cheatsheet-page .note,
.cheatsheet-page .caption,
.cheatsheet-page .footer,
.cheatsheet-page .page-footer,
.cheatsheet-page .box p,
.cheatsheet-page .box li,
.cheatsheet-page .cmd-list,
.cheatsheet-page .cmd-list li,
.cheatsheet-page .cmd-list .desc,
.cheatsheet-page td,
.cheatsheet-page th {
  font-size: 0.65rem;
}

.cheatsheet-page .box-title,
.cheatsheet-page .box h3 {
  font-size: 0.72rem;
}

.cheatsheet-page code,
.cheatsheet-page pre,
.cheatsheet-page .pattern,
.cheatsheet-page .cmd-list code {
  font-size: 0.62rem;
}

.cheatsheet-page .tablinks,
.cheatsheet-page .mode-pill,
.cheatsheet-page .back-button,
.cheatsheet-page .practice-link,
.cheatsheet-page .tag,
.cheatsheet-page .eyebrow,
.cheatsheet-page .overline,
.cheatsheet-page .tab-intro {
  font-size: 0.6rem;
}

.cheatsheet-page--awk .outer,
.cheatsheet-page--regex .outer,
.cheatsheet-page--tmux .outer,
.cheatsheet-page--vim .outer {
  margin-top: 0.35rem;
}

.cheatsheet-page .page-header,
.cheatsheet-page .hero {
  margin-bottom: 0.45rem;
}

.cheatsheet-page .page-title p,
.cheatsheet-page .hero p {
  margin-top: 0.22rem;
}

.cheatsheet-page .back-button,
.cheatsheet-page .practice-link {
  padding: 0.3rem 0.65rem;
}

.cheatsheet-page .mode-pill {
  padding: 0.14rem 0.42rem;
}

.cheatsheet-page .mode-pill .key {
  padding: 0.08rem 0.32rem;
}

.cheatsheet-page .tab-shell,
.cheatsheet-page .tabs-shell {
  margin-bottom: 0.55rem;
  padding: 0.25rem;
}

.cheatsheet-page .topnav,
.cheatsheet-page .tabs {
  padding: 0.15rem;
}

.cheatsheet-page .tablinks {
  padding: 0.27rem 0.45rem;
}

.cheatsheet-page--awk .tab-intro {
  min-width: 5.5rem;
  padding-inline: 0.35rem;
}

@media (max-width: 780px) {
  .cheatsheet-page--awk .tab-intro {
    min-width: 0;
  }
}