/* Buzzard docs. Theme tokens come from the Nut style guide. */

/* Default theme (warm off-white, near-black ink) */
:root {
  --surface: #FFFFFF;
  --theme-bg: #F9F9F7;
  --theme-text: #0B0B0B;
  --theme-textLight: #898781;
  --theme-border: #E7E7E7;
  --theme-hover: #F3F3F1;
  --primary-50: #F9F9F7;
  --primary-100: #F3F3F1;
  --primary-200: #E7E7E7;
  --primary-300: #D4D3D0;
  --primary-400: #AFADA8;
  --primary-500: #898781;
  --primary-600: #6A6863;
  --primary-700: #44423E;
  --primary-800: #1C1B19;
  --primary-900: #0B0B0B;
  --btn-primary-bg: #1C1B19;
  --btn-primary-hover: #0B0B0B;
  --btn-primary-text: #FFFFFF;
  --input-border: #E7E7E7;
  --input-focus-border: #0B0B0B;
  --input-placeholder: #AFADA8;
  --card-border: #E7E7E7;
  --btn-secondary-border: #E7E7E7;
  --btn-secondary-text: #0B0B0B;
  --btn-secondary-hover: #F9F9F7;
  --shadow-card: 0 1px 3px rgba(55, 53, 47, 0.06), 0 4px 12px rgba(55, 53, 47, 0.04);

  /* Code tokens */
  --code-bg: var(--theme-hover);
  --code-text: #1C1B19;
  --code-keyword: #a8401f;
  --code-type: #1c6d79;
  --code-string: #3a7a1c;
  --code-number: #b8560f;
  --code-macro: #7d45a3;
  --code-attr: #6A6863;
  --code-fn: #256abf;
  --code-comment: #898781;
  --code-error: #d03b3b;
}

.theme-blue {
  --surface: #FFFFFF;
  --theme-bg: #FBFAF4;
  --theme-text: #091717;
  --theme-textLight: #5c6b6f;
  --theme-border: #e5e4e0;
  --theme-hover: #f0efeb;
  --primary-50: #eef6f7;
  --primary-100: #d6ebee;
  --primary-200: #b3dce1;
  --primary-300: #80c8d0;
  --primary-400: #4aacb8;
  --primary-500: #20808d;
  --primary-600: #1c6d79;
  --primary-700: #1a5862;
  --primary-800: #1a4851;
  --primary-900: #0f2d33;
  --btn-primary-bg: #20808d;
  --btn-primary-hover: #1a5862;
  --input-border: #e5e4e0;
  --input-focus-border: #20808d;
  --input-placeholder: #5c6b6f;
  --card-border: #e5e4e0;
  --btn-secondary-border: #e5e4e0;
  --btn-secondary-text: #091717;
  --btn-secondary-hover: #f0efeb;
  --code-text: #091717;
  --code-keyword: #20808d;
  --code-type: #1a4851;
}

.theme-slate {
  --surface: #FFFFFF;
  --theme-bg: #F8FAFC;
  --theme-text: #0F172A;
  --theme-textLight: #64748B;
  --theme-border: #E2E8F0;
  --theme-hover: #F1F5F9;
  --primary-50: #F8FAFC;
  --primary-100: #F1F5F9;
  --primary-200: #E2E8F0;
  --primary-300: #CBD5E1;
  --primary-400: #94A3B8;
  --primary-500: #64748B;
  --primary-600: #475569;
  --primary-700: #334155;
  --primary-800: #1E293B;
  --primary-900: #0F172A;
  --btn-primary-bg: #334155;
  --btn-primary-hover: #1E293B;
  --input-border: #E2E8F0;
  --input-focus-border: #334155;
  --input-placeholder: #94A3B8;
  --card-border: #E2E8F0;
  --btn-secondary-border: #E2E8F0;
  --btn-secondary-text: #0F172A;
  --btn-secondary-hover: #F1F5F9;
  --code-text: #0F172A;
  --code-attr: #64748B;
  --code-comment: #64748B;
}

.theme-emerald {
  --surface: #FFFFFF;
  --theme-bg: #F9FAFB;
  --theme-text: #111827;
  --theme-textLight: #6B7280;
  --theme-border: #E5E7EB;
  --theme-hover: #F3F4F6;
  --primary-50: #ECFDF5;
  --primary-100: #D1FAE5;
  --primary-200: #A7F3D0;
  --primary-300: #6EE7B7;
  --primary-400: #34D399;
  --primary-500: #10B981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065F46;
  --primary-900: #064E3B;
  --btn-primary-bg: #059669;
  --btn-primary-hover: #047857;
  --input-border: #E5E7EB;
  --input-focus-border: #059669;
  --input-placeholder: #9CA3AF;
  --card-border: #E5E7EB;
  --btn-secondary-border: #E5E7EB;
  --btn-secondary-text: #111827;
  --btn-secondary-hover: #F3F4F6;
  --code-text: #111827;
  --code-keyword: #047857;
  --code-comment: #6B7280;
}

.theme-dark {
  color-scheme: dark;
  --surface: #1F2937;
  --theme-bg: #111827;
  --theme-text: #F9FAFB;
  --theme-textLight: #9CA3AF;
  --theme-border: #374151;
  --theme-hover: #1F2937;
  --primary-50: #1F2937;
  --primary-100: #374151;
  --primary-200: #4B5563;
  --primary-300: #6B7280;
  --primary-400: #9CA3AF;
  --primary-500: #D1D5DB;
  --primary-600: #E5E7EB;
  --primary-700: #F3F4F6;
  --primary-800: #F9FAFB;
  --primary-900: #FFFFFF;
  --btn-primary-bg: #F9FAFB;
  --btn-primary-hover: #E5E7EB;
  --btn-primary-text: #111827;
  --input-border: #374151;
  --input-focus-border: #9CA3AF;
  --input-placeholder: #6B7280;
  --card-border: #374151;
  --btn-secondary-border: #374151;
  --btn-secondary-text: #F9FAFB;
  --btn-secondary-hover: #111827;
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
  --code-bg: #111827;
  --code-text: #E5E7EB;
  --code-keyword: #f0896f;
  --code-type: #6dd3df;
  --code-string: #93d27e;
  --code-number: #f5a25d;
  --code-macro: #d4a6f0;
  --code-attr: #9CA3AF;
  --code-fn: #86b6ef;
  --code-comment: #7c8594;
  --code-error: #f87171;
}

/* Base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 76px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--theme-bg);
  color: var(--theme-text);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

code,
pre {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-ligatures: none;
}

button {
  font: inherit;
  color: inherit;
}

svg {
  width: 16px;
  height: 16px;
  flex: none;
}

/* Controls (Nut components) */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  cursor: pointer;
  transition: background-color 150ms, border-color 150ms;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
}

.btn-secondary {
  background-color: var(--surface);
  border: 1px solid var(--btn-secondary-border);
  color: var(--btn-secondary-text);
}

.btn-secondary:hover {
  background-color: var(--btn-secondary-hover);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 13px;
}

.input-field {
  width: 100%;
  padding: 8px 12px;
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  background-color: var(--surface);
  border: 1px solid var(--input-border);
  color: var(--theme-text);
  outline: none;
  transition: border-color 150ms;
}

.input-field::placeholder {
  color: var(--input-placeholder);
}

.input-field:focus {
  border-color: var(--input-focus-border);
}

select.input-field {
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%239B9A97' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px 16px;
  cursor: pointer;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--theme-textLight);
  transition: background-color 150ms, color 150ms;
}

.nav-link:hover {
  background-color: var(--theme-hover);
  color: var(--theme-text);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--theme-border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--theme-textLight);
  cursor: pointer;
  transition: color 150ms, border-color 150ms;
}

.icon-btn:hover {
  color: var(--theme-text);
  border-color: var(--primary-300);
}

.icon-btn.copied {
  color: var(--code-string);
}

/* Top bar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 20px;
  background-color: color-mix(in srgb, var(--theme-bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--theme-border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-size: 14px;
  font-weight: 700;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.theme-select {
  width: auto;
  margin-left: 8px;
  padding-top: 5px;
  padding-bottom: 5px;
  font-size: 13px;
}

.menu-btn {
  display: none;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-left: -6px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: none;
  cursor: pointer;
}

.menu-btn:hover {
  background-color: var(--theme-hover);
}

.menu-btn svg {
  width: 20px;
  height: 20px;
}

/* Lesson layout */

.layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  max-width: 1480px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding: 20px 14px 48px 20px;
  border-right: 1px solid var(--theme-border);
  scrollbar-width: thin;
}

.side-search {
  margin-bottom: 18px;
}

.side-part {
  margin-bottom: 18px;
}

.side-title {
  padding: 0 10px 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--theme-textLight);
}

.side-link {
  display: flex;
  gap: 10px;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--primary-700);
  transition: background-color 150ms, color 150ms;
}

.side-link:hover {
  background-color: var(--theme-hover);
  color: var(--theme-text);
}

.side-link.active {
  background-color: var(--theme-hover);
  color: var(--theme-text);
  font-weight: 500;
}

.side-num {
  flex: none;
  width: 20px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  line-height: 20px;
  color: var(--theme-textLight);
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 48px;
  padding: 40px 40px 96px 48px;
}

.main {
  max-width: 860px;
  min-width: 0;
}

.toc {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  font-size: 13px;
}

.toc-title {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--theme-textLight);
}

.toc a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--theme-border);
  color: var(--theme-textLight);
  line-height: 1.4;
  transition: color 150ms, border-color 150ms;
}

.toc a:hover {
  color: var(--theme-text);
}

.toc a.active {
  border-left-color: var(--theme-text);
  color: var(--theme-text);
}

/* Lesson content */

.page-header {
  margin-bottom: 28px;
}

.eyebrow {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--theme-textLight);
}

.page-title {
  margin: 0;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin-top: 8px;
  font-size: 14px;
  color: var(--theme-textLight);
}

.commands {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.run-cmd {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 5px 5px 5px 14px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background-color: var(--surface);
  font-size: 13px;
}

.run-cmd code {
  overflow-x: auto;
  white-space: nowrap;
}

.run-cmd .prompt {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--theme-textLight);
}

.section {
  margin-bottom: 20px;
  padding: 24px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background-color: var(--surface);
}

.section h2 {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.ex-num {
  display: inline-grid;
  place-items: center;
  flex: none;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background-color: var(--theme-hover);
  font-size: 12px;
  font-weight: 600;
  color: var(--theme-textLight);
}

.anchor {
  position: absolute;
  left: -20px;
  color: var(--theme-textLight);
  opacity: 0;
  transition: opacity 150ms;
}

.section h2:hover .anchor {
  opacity: 1;
}

.prose {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--primary-700);
}

.theme-dark .prose {
  color: var(--primary-600);
}

.prose p {
  margin: 0 0 14px;
}

.prose ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

.prose li {
  margin-bottom: 6px;
}

.prose > :last-child {
  margin-bottom: 0;
}

.prose code {
  padding: 1.5px 5px;
  border-radius: 4px;
  background-color: var(--theme-hover);
  font-size: 0.84em;
  color: var(--theme-text);
  white-space: nowrap;
}

.theme-dark .prose code {
  background-color: #111827;
}

/* Code blocks */

.code {
  position: relative;
}

.code pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  border: 1px solid var(--theme-border);
  border-radius: 8px;
  background-color: var(--code-bg);
  color: var(--code-text);
  font-size: 13px;
  line-height: 1.65;
  tab-size: 4;
  scrollbar-width: thin;
}

.code-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 150ms;
}

.code:hover .code-actions,
.code-actions:focus-within {
  opacity: 1;
}

.code .k { color: var(--code-keyword); }
.code .t { color: var(--code-type); }
.code .s { color: var(--code-string); }
.code .n { color: var(--code-number); }
.code .m { color: var(--code-macro); }
.code .a { color: var(--code-attr); }
.code .f { color: var(--code-fn); }
.code .c { color: var(--code-comment); font-style: italic; }
.code .e { color: var(--code-error); font-style: italic; }

.output {
  margin-top: 12px;
}

.output-label {
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--theme-textLight);
}

.output pre {
  margin: 0;
  padding: 12px 16px;
  overflow-x: auto;
  border: 1px dashed var(--primary-300);
  border-radius: 8px;
  background-color: var(--theme-bg);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--primary-700);
}

.theme-dark .output pre {
  border-color: var(--theme-border);
  color: var(--primary-600);
}

/* Full program */

details summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  list-style: none;
  cursor: pointer;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary h2 {
  margin: 0 !important;
}

.chev {
  width: 8px;
  height: 8px;
  margin: 0 4px 0 2px;
  border-right: 1.5px solid var(--theme-textLight);
  border-bottom: 1.5px solid var(--theme-textLight);
  transform: rotate(-45deg);
  transition: transform 150ms;
}

details[open] .chev {
  transform: rotate(45deg);
}

.file-meta {
  font-size: 13px;
  color: var(--theme-textLight);
}

.full-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 12px;
}

.file-name {
  margin: 22px 0 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--theme-textLight);
}

/* Pager */

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.pager-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background-color: var(--surface);
  transition: border-color 150ms, box-shadow 150ms;
}

.pager-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-card);
}

.pager-card.next {
  grid-column: 2;
  text-align: right;
}

.pager-dir {
  font-size: 13px;
  color: var(--theme-textLight);
}

.pager-title {
  font-weight: 500;
}

/* Home */

.home {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

.hero {
  position: relative;
  margin: 32px 0 24px;
  padding: 72px 56px 64px;
  overflow: hidden;
  border-radius: 16px;
  background: #1f1d18 url("hero.jpg") center 20% / cover no-repeat;
  color: #FFFFFF;
  isolation: isolate;
}

/* Keep the text side dark whatever part of the image the crop shows. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(20, 19, 16, 0.85) 0%, rgba(20, 19, 16, 0.55) 45%, rgba(20, 19, 16, 0) 80%);
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.hero-title {
  max-width: 780px;
  margin: 0;
  font-size: 44px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.hero-sub {
  max-width: 640px;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--theme-textLight);
}

.hero .hero-sub {
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero .btn-primary {
  background-color: #FFFFFF;
  color: #0B0B0B;
}

.hero .btn-primary:hover {
  background-color: #E7E7E7;
}

.hero .btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  backdrop-filter: blur(6px);
}

.hero .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.16);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.stat-card {
  padding: 22px 24px;
  border: 1px solid var(--theme-border);
  border-radius: 12px;
  background-color: var(--surface);
}

.stat-label {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--theme-textLight);
}

.stat-value {
  font-size: 30px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.home-search {
  max-width: 360px;
  margin-bottom: 32px;
}

.part {
  margin-bottom: 40px;
}

.section-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.part-range {
  font-size: 13px;
  font-weight: 400;
  color: var(--theme-textLight);
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.lesson-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  padding: 16px 18px;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background-color: var(--surface);
  transition: border-color 150ms, box-shadow 150ms, transform 150ms;
}

.lesson-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-card);
  transform: translateY(-1px);
}

.lesson-num {
  grid-row: span 2;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  line-height: 22px;
  color: var(--theme-textLight);
}

.lesson-title {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.45;
}

.lesson-meta {
  font-size: 13px;
  color: var(--theme-textLight);
}

.not-found {
  padding-top: 40px;
}

[hidden] {
  display: none !important;
}

/* Responsive */

@media (max-width: 1200px) {
  .content {
    grid-template-columns: minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .menu-btn {
    display: inline-grid;
  }

  .sidebar {
    position: fixed;
    inset: 56px 0 0 0;
    z-index: 25;
    display: none;
    height: auto;
    padding: 16px;
    border-right: 0;
    background-color: var(--theme-bg);
  }

  .sidebar.open {
    display: block;
  }

  .content {
    padding: 28px 16px 72px;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 0 12px;
  }

  .topnav .nav-link span,
  .topnav .nav-link:first-child {
    display: none;
  }

  .home {
    padding: 0 16px 72px;
  }

  .hero {
    margin-top: 20px;
    padding: 40px 24px 36px;
    border-radius: 12px;
  }

  .hero::before {
    background: rgba(20, 19, 16, 0.6);
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-title br {
    display: none;
  }

  .hero-sub {
    font-size: 16px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-value {
    font-size: 24px;
  }

  .section {
    padding: 18px 16px;
  }

  .page-title {
    font-size: 26px;
  }

  .code pre {
    padding: 14px;
    font-size: 12.5px;
  }

  .code-actions {
    opacity: 1;
  }

  .anchor {
    display: none;
  }

  .pager {
    grid-template-columns: 1fr;
  }

  .pager-card.next {
    grid-column: 1;
  }

  .run-cmd {
    display: flex;
  }
}

/* Go by Example layout: prose on the left, code on the right */

.content.wide {
  grid-template-columns: minmax(0, 1fr);
}

.main.example {
  max-width: 1160px;
}

.page-subtitle code {
  margin-right: 6px;
  padding: 1px 6px;
  border-radius: 4px;
  background-color: var(--theme-hover);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
}

.intro {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: 16px;
}

.segs {
  margin-bottom: 20px;
  border: 1px solid var(--theme-border);
  border-radius: 10px;
  overflow: hidden;
}

.seg {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
}

.seg-doc {
  padding: 10px 24px 10px 20px;
  font-size: 14.5px;
  background-color: var(--surface);
}

.seg-doc p {
  margin: 0 0 8px;
}

.seg-code {
  background-color: var(--code-bg);
}

.seg-code pre {
  height: 100%;
  padding: 10px 18px;
  border: 0;
  border-radius: 0;
}

.seg-code.empty {
  min-height: 12px;
}

.seg:first-child .seg-code pre {
  padding-top: 16px;
}

.seg:last-child .seg-code pre {
  padding-bottom: 16px;
}

.seg-code .code-actions {
  top: 10px;
}

.shell {
  margin-bottom: 20px;
}

.shell pre {
  margin: 0;
  padding: 14px 18px;
  overflow-x: auto;
  border-radius: 10px;
  background-color: var(--primary-800);
  color: #E7E7E7;
  font-size: 13px;
  line-height: 1.6;
  scrollbar-width: thin;
}

.theme-dark .shell pre {
  border: 1px solid var(--theme-border);
  background-color: var(--code-bg);
  color: var(--code-text);
}

.shell .prompt {
  color: var(--primary-400);
  user-select: none;
}

.shell .cmd {
  color: #FFFFFF;
  font-weight: 500;
}

.theme-dark .shell .cmd {
  color: var(--theme-text);
}

.source-link {
  margin: 4px 0 8px;
}

@media (max-width: 900px) {
  .seg {
    grid-template-columns: minmax(0, 1fr);
  }

  .seg-doc:empty {
    display: none;
  }

  .seg-doc {
    padding: 12px 16px 6px;
  }
}