/* Impulse website: shared tokens, the top bar, search, and the docs pages.
   Colors are the app's default theme, Tokyo Night
   (impulse-macos/Sources/ImpulseKit/Resources/Themes/tokyo-night.toml). */

@font-face { font-family: "Inter"; src: url("fonts/Inter-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/Inter-Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/Inter-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/Inter-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #151620;
  --bg-dark: #111119;
  --bg-surface: #0c0c13;
  --bg-raised: #1b1d2b;
  --bg-hl: #282e42;
  --border: #22243a;
  --border-strong: #30344d;
  --fg: #c0caf5;
  --fg-muted: #a9b1d6;
  --fg-comment: #8089b3;
  --accent: #7dcfff;
  --blue: #7aa2f7;
  --magenta: #bb9af7;
  --green: #9ece6a;
  --yellow: #e0af68;
  --orange: #ff9e64;
  --red: #f7768e;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 10px;
  --topbar-h: 52px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; height: auto; }
code, kbd, pre, pre * { font-family: var(--mono); font-feature-settings: "calt" 0, "liga" 0; }
::selection { background: rgba(122, 162, 247, 0.32); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

[hidden] { display: none !important; }
.skip-link { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--accent); color: var(--bg-surface); padding: 6px 12px; border-radius: 6px; }
.skip-link:focus { top: 8px; }

/* ── Top bar (the app's titlebar) ───────────────────────────────────── */

.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg-surface) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 600; font-size: 15px; letter-spacing: -0.01em; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.brand-tag { font: 500 12px var(--mono); color: var(--fg-comment); padding: 2px 7px; border: 1px solid var(--border-strong); border-radius: 6px; }
.topnav { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.topnav a { color: var(--fg-muted); font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 7px; }
.topnav a:hover, .topnav a[aria-current] { color: var(--fg); background: var(--bg-hl); text-decoration: none; }
.topbar-spacer { flex: 1; }

.search-field {
  display: flex; align-items: center; gap: 8px;
  width: min(340px, 34vw); height: 32px; padding: 0 8px 0 10px;
  background: var(--bg-raised); border: 1px solid var(--border-strong); border-radius: 8px;
  color: var(--fg-comment); font: 400 13px var(--sans); cursor: pointer; text-align: left;
}
.search-field:hover { border-color: var(--fg-comment); color: var(--fg-muted); }
.search-field svg { flex: none; }
.search-field span { flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
kbd, .kbd {
  font: 500 11px var(--mono); color: var(--fg-muted);
  padding: 1px 6px; border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 5px; background: var(--bg-dark);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 34px; padding: 0 14px; border-radius: 8px;
  font: 600 14px var(--sans); white-space: nowrap; cursor: pointer;
  border: 1px solid var(--border-strong); background: var(--bg-raised); color: var(--fg);
  transition: transform .15s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--fg-comment); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0c0c13; }
.btn-primary:hover { background: #a3dcff; border-color: #a3dcff; box-shadow: 0 0 0 4px rgba(125, 207, 255, 0.18); }
.btn-lg { height: 46px; padding: 0 22px; font-size: 15px; border-radius: 10px; }
.icon-btn { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px; color: var(--fg-muted); background: none; border: 0; cursor: pointer; }
.icon-btn:hover { background: var(--bg-hl); color: var(--fg); }
.menu-btn { display: none; }
.topnav-download, .drawer-links { display: none; }
.nav-scrim { display: none; position: fixed; inset: var(--topbar-h) 0 0; z-index: 34; background: rgba(5, 5, 10, 0.5); }
body[data-nav-open] .nav-scrim, body[data-menu-open] .nav-scrim { display: block; animation: fade-in .15s ease; }

/* ── Search (the command palette) ───────────────────────────────────── */

.palette-backdrop {
  position: fixed; inset: 0; z-index: 90; display: none;
  background: rgba(5, 5, 10, 0.55); backdrop-filter: blur(2px);
  padding: 12vh 16px 16px;
}
.palette-backdrop[data-open] { display: block; animation: fade-in .12s ease; }
.palette {
  max-width: 640px; margin: 0 auto;
  background: var(--bg-raised); border: 1px solid var(--border-strong); border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55); overflow: hidden;
  animation: palette-in .16s cubic-bezier(.2, .9, .3, 1.2);
}
.palette-input { display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid var(--border); color: var(--fg-comment); }
.palette-input input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.palette-input input {
  flex: 1; height: 50px; border: 0; outline: 0; background: none;
  color: var(--fg); font: 400 16px var(--sans);
}
.palette-results { max-height: min(60vh, 460px); overflow-y: auto; padding: 6px; }
.palette-results:empty::after { content: attr(data-empty); display: block; padding: 18px 12px; color: var(--fg-comment); font-size: 14px; }
.palette-item {
  display: block; padding: 9px 12px; border-radius: 8px; color: var(--fg); cursor: pointer;
}
.palette-item:hover { text-decoration: none; }
.palette-item[aria-selected="true"] { background: var(--bg-hl); }
.palette-item .pi-title { display: block; font-size: 14px; font-weight: 500; }
.palette-item .pi-page { margin-left: 6px; }
.palette-item .pi-page { color: var(--fg-comment); font-weight: 400; font-size: 13px; }
.palette-item .pi-text { display: block; margin-top: 2px; color: var(--fg-comment); font-size: 13px; line-height: 1.45; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.palette-item mark { background: none; color: var(--accent); font-weight: 600; }
.palette-foot { display: flex; gap: 16px; padding: 8px 14px; border-top: 1px solid var(--border); color: var(--fg-comment); font-size: 12px; }

@keyframes fade-in { from { opacity: 0; } }
@keyframes menu-in { from { opacity: 0; transform: translateY(-6px); } }
@keyframes palette-in { from { opacity: 0; transform: translateY(-8px) scale(.98); } }

/* ── Docs layout ────────────────────────────────────────────────────── */

.docs-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: calc(100vh - var(--topbar-h));
}
.docs-sidebar {
  position: sticky; top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto; padding: 18px 12px 40px;
  background: var(--bg-dark); border-right: 1px solid var(--border);
}
.nav-group { margin-bottom: 18px; }
.nav-heading { padding: 0 12px 6px; color: var(--fg-comment); font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.nav-item {
  position: relative; display: block;
  padding: 5px 12px; margin: 1px 0; border-radius: 7px;
  color: var(--fg-muted); font-size: 14px;
}
.nav-item:hover { background: var(--bg-hl); color: var(--fg); text-decoration: none; }
.nav-item[aria-current] { background: var(--bg-hl); color: var(--fg); font-weight: 600; }
.nav-item[aria-current]::before {
  content: ""; position: absolute; left: -12px; top: 6px; bottom: 6px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent);
}

.docs-main { display: grid; grid-template-columns: minmax(0, 1fr) 232px; gap: 48px; padding: 40px 48px 0; max-width: 1240px; }
.docs-main.no-toc { grid-template-columns: minmax(0, 1fr); }
.toc { position: sticky; top: calc(var(--topbar-h) + 32px); align-self: start; max-height: calc(100vh - var(--topbar-h) - 64px); overflow-y: auto; font-size: 13px; padding-left: 14px; border-left: 1px solid var(--border); }
.toc-title { color: var(--fg); font-weight: 600; margin-bottom: 8px; }
.toc a { display: block; padding: 3px 0; color: var(--fg-comment); line-height: 1.4; }
.toc a:hover { color: var(--fg); text-decoration: none; }
.toc a.toc-l3 { padding-left: 12px; }
.toc a.active { color: var(--accent); }

.prose { min-width: 0; max-width: 780px; padding-bottom: 32px; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.025em; font-weight: 700; margin: 0 0 18px; }
.prose h2 { font-size: 26px; line-height: 1.25; letter-spacing: -0.015em; font-weight: 650; margin: 52px 0 14px; padding-top: 22px; border-top: 1px solid var(--border); }
.prose h3 { font-size: 19px; line-height: 1.35; font-weight: 600; margin: 34px 0 10px; }
.prose h4 { font-size: 16px; font-weight: 600; margin: 26px 0 8px; }
.prose h2, .prose h3, .prose h4 { position: relative; }
.prose .anchor { position: absolute; left: -0.95em; padding-right: .25em; color: var(--fg-comment); opacity: 0; font-weight: 400; transition: opacity .15s; }
.prose h2 .anchor { top: 22px; }
.prose :is(h2, h3, h4):hover .anchor, .prose .anchor:focus { opacity: 1; text-decoration: none; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose > p:first-of-type { font-size: 18px; color: var(--fg-muted); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li { margin: 4px 0; }
.prose li > ul, .prose li > ol { margin: 4px 0; }
.prose li::marker { color: var(--fg-comment); }
.prose strong { color: #dfe5ff; font-weight: 600; }
.prose a { color: var(--blue); }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
.prose blockquote { margin: 0 0 16px; padding: 10px 16px; border-left: 3px solid var(--magenta); background: var(--bg-raised); border-radius: 0 8px 8px 0; color: var(--fg-muted); }
.prose blockquote > :last-child { margin-bottom: 0; }
.prose :not(pre) > code {
  font-size: .86em; padding: .12em .38em; border-radius: 5px;
  background: var(--bg-hl); color: #d5dcff; white-space: break-spaces; overflow-wrap: anywhere;
}

.table-wrap {
  overflow-x: auto; margin: 0 0 20px; border: 1px solid var(--border); border-radius: var(--radius); -webkit-overflow-scrolling: touch;
  /* Shadows at an edge that has more table behind it. */
  background: linear-gradient(to right, var(--bg) 30%, transparent) left / 40px 100% no-repeat local, linear-gradient(to left, var(--bg) 30%, transparent) right / 40px 100% no-repeat local,
    radial-gradient(farthest-side at 0 50%, rgba(0, 0, 0, .55), transparent) left / 14px 100% no-repeat scroll, radial-gradient(farthest-side at 100% 50%, rgba(0, 0, 0, .55), transparent) right / 14px 100% no-repeat scroll;
}
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.5; }
/* Identifiers in tables stay whole; a table too wide for the screen scrolls. */
.prose td code, .prose th code { white-space: nowrap; overflow-wrap: normal; }
.prose th { text-align: left; font-weight: 600; background: var(--bg-dark); color: var(--fg); }
.prose th, .prose td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose tr:last-child td { border-bottom: 0; }
.prose tbody tr:hover td { background: rgba(40, 46, 66, 0.35); }

.codeblock { margin: 0 0 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-surface); overflow: hidden; }
.codeblock-bar { display: flex; align-items: center; justify-content: space-between; height: 34px; padding: 0 8px 0 14px; border-bottom: 1px solid var(--border); background: var(--bg-dark); color: var(--fg-comment); font: 500 12px var(--mono); }
.codeblock .copy { font: 500 12px var(--sans); color: var(--fg-comment); background: none; border: 0; padding: 4px 8px; border-radius: 6px; cursor: pointer; }
.codeblock .copy:hover { background: var(--bg-hl); color: var(--fg); }
.codeblock pre { margin: 0; padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; }
.codeblock code { color: var(--fg); }

.shot { display: block; margin: 8px 0 24px; border-radius: 12px; overflow: hidden; background: #000; border: 1px solid var(--border); cursor: zoom-in; }
.shot img { display: block; width: 100%; }
.prose p:has(> .shot:only-child) { margin: 0; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 48px 0 0; }
.pager a { display: block; padding: 14px 16px; border: 1px solid var(--border-strong); border-radius: var(--radius); color: var(--fg); font-weight: 600; transition: border-color .15s, background .15s; }
.pager a:hover { border-color: var(--accent); background: var(--bg-raised); text-decoration: none; }
.pager span { display: block; color: var(--fg-comment); font-size: 13px; font-weight: 400; }
.pager .pager-next { grid-column: 2; text-align: right; }

.docs-footer { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; margin-top: 40px; padding: 20px 0 40px; border-top: 1px solid var(--border); color: var(--fg-comment); font-size: 13px; }
.docs-footer a { color: var(--fg-comment); }
.docs-footer a:hover { color: var(--fg); }

/* The app's status bar, along the bottom of the docs. */
.statusbar {
  position: sticky; bottom: 0; z-index: 30;
  display: flex; align-items: center; gap: 18px; height: 28px; padding: 0 16px;
  background: var(--bg-surface); border-top: 1px solid var(--border);
  color: var(--fg-comment); font: 400 12px var(--sans); white-space: nowrap; overflow: hidden;
}
.statusbar a { color: var(--fg-comment); }
.statusbar a:hover { color: var(--fg); text-decoration: none; }
.statusbar .sb-item { display: inline-flex; align-items: center; gap: 6px; }
.statusbar .sb-right { margin-left: auto; }
.statusbar .add { color: var(--green); }

.lightbox { position: fixed; inset: 0; z-index: 95; display: none; place-items: center; padding: 3vw; background: rgba(5, 5, 10, 0.86); cursor: zoom-out; }
.lightbox[data-open] { display: grid; animation: fade-in .15s ease; }
.lightbox img { max-height: 94vh; border-radius: 10px; box-shadow: 0 30px 100px rgba(0, 0, 0, .6); }

/* highlight.js, in the app's syntax colors */
.hljs-keyword, .hljs-selector-tag, .hljs-built_in { color: var(--magenta); }
.hljs-title, .hljs-title.function_, .hljs-section { color: var(--blue); }
.hljs-type, .hljs-attr, .hljs-attribute, .hljs-variable.language_ { color: var(--yellow); }
.hljs-string, .hljs-regexp + .hljs-string { color: var(--green); }
.hljs-number, .hljs-literal, .hljs-symbol { color: var(--orange); }
.hljs-comment, .hljs-quote { color: var(--fg-comment); font-style: italic; }
.hljs-meta, .hljs-operator, .hljs-punctuation { color: var(--accent); }
.hljs-variable, .hljs-template-variable, .hljs-params { color: var(--fg); }
.hljs-regexp, .hljs-tag, .hljs-name, .hljs-deletion { color: var(--red); }
.hljs-addition { color: var(--green); }

@media (max-width: 1180px) {
  .docs-main { grid-template-columns: minmax(0, 1fr); padding: 36px 40px 0; }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .menu-btn { display: inline-grid; margin-left: -6px; }
  .topnav { display: none; }
  body[data-menu-open] .topnav {
    position: fixed; top: var(--topbar-h); left: 0; right: 0; z-index: 36; margin: 0;
    display: flex; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px 12px 14px;
    background: var(--bg-surface); border-bottom: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0, 0, 0, .45);
    animation: menu-in .16s ease;
  }
  body[data-menu-open] .topnav a { padding: 11px 12px; font-size: 16px; }
  body[data-menu-open] .topnav .topnav-download { display: block; margin-top: 6px; text-align: center; background: var(--accent); color: #0c0c13; font-weight: 600; }
  .drawer-links { display: block; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--border); }
  .docs-sidebar { overscroll-behavior: contain; }
  .docs-shell { grid-template-columns: minmax(0, 1fr); }
  .docs-sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; width: min(300px, 86vw); height: auto; z-index: 35;
    transform: translateX(-102%); transition: transform .2s ease; box-shadow: 20px 0 60px rgba(0, 0, 0, .4);
  }
  body[data-nav-open] .docs-sidebar { transform: none; }
  .docs-main { padding: 28px 16px 0; }
  .prose h1 { font-size: 32px; }
  .prose h2 { font-size: 23px; }
  .prose .anchor { display: none; }
  .search-field { width: auto; flex: 0 1 200px; }
  .statusbar .sb-hide-sm { display: none; }
}
@media (max-width: 560px) {
  .topbar { padding: 0 12px; gap: 8px; }
  .brand-tag { display: none; }
  .search-field span, .search-field kbd { display: none; }
  .search-field { flex: none; width: 34px; padding: 0; justify-content: center; }
  .topbar .btn-download { display: none; }
  .pager { grid-template-columns: 1fr; }
  .palette-backdrop { padding: 8px; }
  .palette-results { max-height: 70vh; max-height: 70dvh; }
  .prose h1 { font-size: 29px; }
  .prose > p:first-of-type { font-size: 17px; }
  .prose th, .prose td { padding: 8px 10px; }
  .codeblock pre { font-size: 12.5px; padding: 12px; }
  .pager .pager-next { grid-column: 1; }
}
@media (pointer: coarse) {
  .nav-item { padding: 9px 12px; }
  .toc a { padding: 6px 0; }
  .palette-item { padding: 11px 12px; }
  .palette-foot, .palette-input kbd, .search-field kbd { display: none; }
  .codeblock .copy { padding: 8px 10px; }
  .docs-footer a { display: inline-block; padding: 10px 0; }
  .statusbar { height: 34px; }
  .statusbar a { display: inline-block; padding: 9px 0; }
  .pager a { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}