:root {
  --bg: #16181d;
  --bg-elev: #1c1f25;
  --surface: #1f232a;
  --surface-2: #262a32;
  --surface-3: #2d323b;
  --line: #353b46;
  --line-soft: #2a2f38;
  --text: #ece7df;
  --text-strong: #f5f1ea;
  --muted: #a8a397;
  --muted-soft: #777268;
  --accent: #d08770;
  --accent-2: #ebcb8b;
  --accent-soft: #a3be8c;
  --link: #88c0d0;
  --code-bg: #232830;
  --code-border: #353b46;
  --kbd-bg: #2d323b;
  --kbd-border: #444955;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

body { min-height: 100vh; }
body.palette-open { overflow: hidden; }

code, pre {
  font-family: "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--kbd-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--kbd-bg);
  color: var(--text);
  font: 11px/1.4 "SFMono-Regular", "SF Mono", Menlo, monospace;
}

/* ============== layout ============== */

.app {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--line);
  padding: 20px 12px 28px;
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: block;
  margin: 0 0 14px;
  padding: 0 6px;
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.brand:hover { text-decoration: none; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 12px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.sidebar-link:hover { background: var(--surface-2); text-decoration: none; }
.sidebar-link.active {
  background: var(--surface-2);
  border-left-color: var(--accent);
  color: var(--text-strong);
}
.sidebar-search { color: var(--muted); }

.sidebar-pkgs { padding-bottom: 20px; }

.cat {
  margin: 16px 0 4px;
  padding: 0 8px;
  color: var(--muted-soft);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar ul { list-style: none; margin: 0; padding: 0; }

.sidebar-pkgs li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 8px;
  border-left: 2px solid transparent;
  color: var(--text);
  font-size: 13px;
  font-family: "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
.nav-label { min-width: 0; }
.nav-badge {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 10px;
  line-height: 1.4;
  color: var(--muted);
  background: var(--surface-2);
}
.nav-badge-deprecated { border-color: #6b4a47; color: #e5b4ae; }
.nav-badge-not-recommended { border-color: #6a5a3b; color: #e3c58c; }
.nav-badge-frozen { border-color: #565656; color: #ccc2b5; }
.nav-badge-unused { border-color: #4f5a46; color: #c7d5b2; }

.sidebar-pkgs li a:hover { background: var(--surface-2); text-decoration: none; }
.sidebar-pkgs li a.active {
  border-left-color: var(--accent);
  background: var(--surface-2);
  color: var(--text-strong);
}

.content {
  width: 100%;
  max-width: 1280px;
  padding: 24px 32px 64px;
}

/* ============== topbar (cmd+k trigger) ============== */

.topbar { display: flex; justify-content: flex-end; margin-bottom: 18px; }
.topbar-search,
.btn-search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 360px;
  max-width: 100%;
  padding: 7px 10px 7px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font: 13px/1.4 inherit;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}
.topbar-search:hover,
.btn-search-trigger:hover { border-color: var(--accent); background: var(--surface-2); color: var(--text); }
.search-icon { font-size: 15px; color: var(--muted); }
.search-text { flex: 1; text-align: left; }

/* ============== hero / home ============== */

.hero { margin: 6px 0 32px; max-width: 80ch; }
.hero h1 {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}
.hero .lede { margin: 0 0 18px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.btn-search-trigger { width: 380px; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--accent);
  color: #1f1612;
  font-weight: 600;
  font-size: 13px;
}
.btn-primary:hover { text-decoration: none; background: var(--accent-2); color: #1f1612; }

.section-lede { margin: 0 0 16px; max-width: 78ch; color: var(--muted); }

/* curriculum */
.curriculum { margin: 36px 0 40px; }
.curriculum h2 { border-bottom: 0; margin-bottom: 6px; }
.curriculum-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  grid-auto-rows: 1fr;
  gap: 10px;
}
.curriculum-list > li { display: flex; }
.curriculum-item { width: 100%; }
.curriculum-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}
.curriculum-item:hover { border-color: var(--accent); text-decoration: none; }
.curriculum-step {
  align-self: start;
  display: inline-grid;
  place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--surface-3);
  color: var(--text-strong);
  font: 700 12px/1 "SFMono-Regular", "SF Mono", Menlo, monospace;
}
.curriculum-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.curriculum-pkg {
  font: 600 14px/1.2 "SFMono-Regular", "SF Mono", Menlo, monospace;
  color: var(--text-strong);
}
.curriculum-why { color: var(--text); font-size: 13px; }
.curriculum-try { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* category cards */
.overview-all > h2 { margin-top: 38px; }
.overview h3 {
  margin: 24px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-rows: 1fr;
  gap: 10px;
}
.card {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 120ms ease, transform 80ms ease;
}
.card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.card-name {
  margin-bottom: 4px;
  color: var(--text-strong);
  font-size: 13px;
  font-family: "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-summary { color: var(--muted); font-size: 12.5px; line-height: 1.5; }
.inline-badge {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0 5px;
  font: 600 10px/1.6 "SFMono-Regular", monospace;
  color: var(--muted);
  background: var(--surface-2);
  text-transform: lowercase;
}
.inline-badge-deprecated { border-color: #6b4a47; color: #e5b4ae; }
.inline-badge-not-recommended { border-color: #6a5a3b; color: #e3c58c; }
.inline-badge-frozen { border-color: #565656; color: #ccc2b5; }
.inline-badge-unused { border-color: #4f5a46; color: #c7d5b2; }

/* ============== package page ============== */

.pkg-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 28px;
}
.pkg-main { min-width: 0; }
.page-toc { min-width: 0; }
.page-toc-inner {
  position: sticky;
  top: 20px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}
.page-toc-title {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.page-toc-list, .page-toc-items { list-style: none; margin: 0; padding: 0; }
.page-toc-list > li + li { margin-top: 8px; }
.page-toc-section, .page-toc-items a {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.page-toc-section { color: var(--text); }
.page-toc-section span { color: var(--muted-soft); margin-left: 4px; }
.page-toc-items {
  margin-top: 5px;
  padding-left: 10px;
  border-left: 1px solid var(--line-soft);
}
.page-toc-items li + li { margin-top: 3px; }

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}
h1 code { background: none; color: inherit; padding: 0; font-size: inherit; }
h2 {
  margin: 28px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-strong);
}
h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-strong);
}

.lede { margin: 0 0 18px; max-width: 72ch; color: var(--muted); }
.coverage { margin: 0 0 26px; color: var(--muted); }

.pkg-head { margin-bottom: 24px; }
.pkg-meta { margin-bottom: 8px; color: var(--muted); font-size: 12.5px; }

.advisories { margin: 0 0 16px; }
.advisory {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin: 0 0 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
}
.advisory strong {
  flex: 0 0 auto;
  color: var(--text-strong);
  font-size: 12px;
  text-transform: lowercase;
}
.advisory-deprecated { border-color: #6b4a47; }
.advisory-not-recommended { border-color: #6a5a3b; }
.advisory-frozen { border-color: #565656; }
.advisory-unused { border-color: #4f5a46; }

/* ============== cheatsheet ============== */

.cheat {
  margin: 0 0 28px;
  padding: 14px 16px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}
.cheat-tldr {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 14px;
  max-width: 80ch;
}
.cheat-rows { display: grid; grid-template-columns: 1fr; gap: 8px; }
.cheat-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 16px;
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
}
.cheat-row:first-child { border-top: 0; }
.cheat-task {
  color: var(--text);
  font-size: 13px;
  align-self: center;
}
.cheat-code {
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--code-border);
  border-radius: 6px;
  background: var(--code-bg);
  font-size: 12.5px;
  white-space: pre;
  overflow-x: auto;
  position: relative;
}

@media (max-width: 720px) {
  .cheat-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ============== sections / examples ============== */

.sect {
  margin-bottom: 22px;
  scroll-margin-top: 20px;
}
.sect .desc, .notes { color: var(--muted); }
.section-body { min-width: 0; }
.sect .desc {
  margin: 0 0 14px;
  max-width: 76ch;
  white-space: pre-line;
}

.section-details { padding-top: 2px; }
.section-details summary {
  margin: 0 0 12px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}
.section-details[open] summary { margin-bottom: 16px; }

.ex {
  margin: 0 0 20px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 20px;
}
.notes { margin: 0 0 10px; max-width: 80ch; }

pre {
  margin: 0;
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--code-border);
  background: var(--code-bg);
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.55;
  position: relative;
}
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
code {
  background: var(--surface-2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--text-strong);
  font-size: 0.92em;
}
.out-label { margin: 10px 0 4px; color: var(--muted); font-size: 12px; font-weight: 600; }
.output { background: #1c2129; }

/* copy button */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--muted);
  font: 11px/1.4 inherit;
  opacity: 0;
  transition: opacity 100ms ease;
  cursor: pointer;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--text-strong); border-color: var(--accent); }

/* ============== recipes page ============== */

.recipes-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 28px;
}
.recipes-main { min-width: 0; }
.recipe-group { margin-bottom: 32px; }
.recipe-group h2 { scroll-margin-top: 20px; }
.recipe-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
.recipe {
  scroll-margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.recipe-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.recipe-head h3 { margin: 0; font-size: 15px; }
.recipe-pkgs { display: flex; gap: 6px; flex-wrap: wrap; }
.recipe-pkg-tag {
  font-size: 11.5px;
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface-2);
  color: var(--muted);
}
.recipe-pkg-tag:hover { border-color: var(--accent); color: var(--text); text-decoration: none; }
.recipe-pkg-tag code { background: none; color: inherit; padding: 0; font-size: inherit; }
.recipe-notes { margin: 0 0 10px; color: var(--muted); font-size: 13px; }

/* ============== search palette (cmd+k) ============== */

.palette {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
}
.palette[aria-hidden="false"] { display: block; }
.palette-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}
.palette-box {
  position: relative;
  margin: 8vh auto 0;
  width: min(720px, 92vw);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.palette-input {
  padding: 16px 18px;
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text-strong);
  font-size: 16px;
  outline: none;
}
.palette-input::placeholder { color: var(--muted-soft); }
.palette-results {
  max-height: min(60vh, 540px);
  overflow-y: auto;
  padding: 6px;
}
.palette-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 13.5px;
}
.palette-row:hover { text-decoration: none; }
.palette-row.selected { background: var(--surface-2); }
.palette-kind {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 4px;
  font: 600 10px/1.5 "SFMono-Regular", monospace;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
}
.palette-kind-pkg { background: rgba(208,135,112,0.18); color: var(--accent); }
.palette-kind-section { background: rgba(136,192,208,0.18); color: var(--link); }
.palette-kind-example { background: rgba(163,190,140,0.18); color: var(--accent-soft); }
.palette-kind-recipe { background: rgba(235,203,139,0.18); color: var(--accent-2); }
.palette-name {
  font-family: "SFMono-Regular", "SF Mono", Menlo, monospace;
  color: var(--text-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.palette-detail {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.palette-empty { padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }
.palette-foot {
  display: flex;
  gap: 16px;
  padding: 8px 14px;
  border-top: 1px solid var(--line-soft);
  background: var(--surface);
  color: var(--muted);
  font-size: 11px;
}
.palette-foot kbd { margin-right: 4px; }

/* ============== prism nord-ish theme ============== */

pre[class*="language-"], code[class*="language-"] { text-shadow: none; }
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #616e88; }
.token.punctuation { color: #d8dee9; }
.token.property, .token.tag, .token.boolean, .token.number, .token.constant,
.token.symbol, .token.deleted { color: #b48ead; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin,
.token.inserted { color: #a3be8c; }
.token.operator, .token.entity, .token.url,
.language-css .token.string, .style .token.string, .token.variable { color: #81a1c1; }
.token.atrule, .token.attr-value, .token.function, .token.class-name { color: #88c0d0; }
.token.keyword { color: #81a1c1; }
.token.regex, .token.important { color: #ebcb8b; }
.token.important, .token.bold { font-weight: 600; }
.token.italic { font-style: italic; }

/* ============== responsive ============== */

@media (max-width: 980px) {
  .pkg-layout, .recipes-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .page-toc-inner {
    position: static;
    max-height: none;
    overflow: visible;
    padding-left: 0;
    padding-top: 12px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    position: static;
    height: auto;
    max-height: none;
  }
  .content { padding: 22px 20px 42px; }
  .topbar { justify-content: flex-start; }
  .topbar-search, .btn-search-trigger { width: 100%; }
}