/* borescope documentation. Extends the shared tokens for prose-heavy pages. */

@import url("../tokens.css");

:root { --max-w: 820px; --sidebar-w: 220px; }

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

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

/* Skip link. */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: var(--z-skip);
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: oklch(0.99 0 0);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.skip-link:focus { top: 0.75rem; color: oklch(0.99 0 0); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
:focus:not(:focus-visible) { outline: none; }

/* Navigation. */
.doc-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

@supports not (backdrop-filter: blur(10px)) {
  .doc-nav { background: var(--bg); }
}

.doc-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.doc-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.doc-nav-logo:hover { color: var(--text); }

.doc-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.doc-nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.doc-nav-links a:hover { color: var(--text); }
.doc-nav-links .current { color: var(--accent); }

/* Theme switcher (mirrors marketing site). */
.theme-switcher {
  display: flex;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 0;
}

.theme-switcher button {
  background: none;
  border: none;
  padding: 0.3rem 0.55rem;
  font-size: 0.78rem;
  font-family: var(--font);
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s ease, color 0.15s ease;
  line-height: 1;
  white-space: nowrap;
}

.theme-switcher button:hover { color: var(--text); }

.theme-switcher button[aria-pressed="true"] {
  background: var(--bg-card);
  color: var(--text);
  box-shadow: var(--shadow);
}

/* Mobile nav toggle. */
.doc-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.doc-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.doc-nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.doc-nav-toggle.open span:nth-child(2) { opacity: 0; }
.doc-nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .doc-nav-toggle { display: flex; }

  .doc-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1.5rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    gap: 0;
  }

  .doc-nav-links.open { display: flex; }

  .doc-nav-links a {
    padding: 0.7rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .doc-nav-links a:last-child { border-bottom: none; }

  .doc-nav-links .theme-switcher {
    align-self: stretch;
    margin-top: 0.5rem;
    justify-content: center;
  }

  .doc-nav-links .theme-switcher button {
    padding: 0.7rem 1rem;
    font-size: 0.92rem;
    flex: 1;
  }
}

/* Layout. */
.doc-layout {
  display: flex;
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  gap: 3rem;
}

.doc-sidebar {
  flex: 0 0 var(--sidebar-w);
  position: sticky;
  top: 5rem;
  align-self: flex-start;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
}

.doc-sidebar h4 {
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 0.5rem;
  margin-top: 1.5rem;
}

.doc-sidebar h4:first-child { margin-top: 0; }

.doc-sidebar ul {
  list-style: none;
  margin-bottom: 0.25rem;
}

.doc-sidebar li a {
  display: block;
  padding: 0.32rem 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-left: 0;
}

.doc-sidebar li a:hover { color: var(--text); }
.doc-sidebar li a.current { color: var(--accent); font-weight: 600; }

.doc-content {
  flex: 1;
  min-width: 0;
  max-width: var(--max-w);
}

@media (max-width: 768px) {
  .doc-layout { flex-direction: column; gap: 1.5rem; }
  .doc-sidebar {
    position: static;
    flex: none;
    max-height: none;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
  }
}

/* Prose. */
.doc-content h1 {
  font-size: clamp(1.85rem, 3vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.028em;
  line-height: 1.15;
  margin-bottom: 0.5rem;
  text-wrap: balance;
}

.doc-content .subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.doc-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.018em;
  margin-top: 2.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.doc-content h3 {
  font-size: 1.15rem;
  font-weight: 650;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.012em;
}

.doc-content p { margin-bottom: 1rem; text-wrap: pretty; }

.doc-content ul, .doc-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.doc-content li { margin-bottom: 0.35rem; }
.doc-content li::marker { color: var(--text-muted); }

/* Code. */
.doc-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 0.15em 0.4em;
}

.doc-content pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
  position: relative;
}

.doc-content pre .copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.55rem;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--code-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}

.doc-content pre:hover .copy-btn,
.doc-content pre .copy-btn:focus-visible { opacity: 1; }
.doc-content pre .copy-btn:hover { color: var(--accent); }
.doc-content pre .copy-btn.copied { color: var(--accent); opacity: 1; }

.doc-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.prompt  { color: var(--accent); }
.comment { color: var(--text-muted); }
.dim     { opacity: 0.6; }

/* Tables. */
.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
}

.doc-content th {
  text-align: left;
  font-weight: 650;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--border);
}

.doc-content td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.doc-content tr:last-child td { border-bottom: none; }

/* Callouts: background tint, no side stripe. */
.callout {
  background: var(--accent-bg);
  border: 1px solid color-mix(in oklch, var(--accent) 20%, transparent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.callout p { margin-bottom: 0; }

.callout-warn {
  background: var(--warn-bg);
  border-color: color-mix(in oklch, var(--warn) 25%, transparent);
}

/* Markdown blockquotes match the note callout shape. */
.doc-content blockquote {
  background: var(--accent-bg);
  border: 1px solid color-mix(in oklch, var(--accent) 20%, transparent);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.doc-content blockquote p:last-child { margin-bottom: 0; }

/* Keyboard keys. */
.doc-content kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  white-space: nowrap;
}

/* Category cards on the docs index. Mixed weight: tutorial is featured,
   how-tos compact, reference inline, explanation softer. The shared shell
   keeps cohesion; the variety breaks the identical-grid trope. */
.doc-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.15s ease;
  display: block;
}

.doc-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.doc-card h3 {
  font-size: 1.1rem;
  font-weight: 650;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.doc-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

/* Docs index sectioning. */
.doc-section {
  margin-bottom: 2.5rem;
}

.doc-section > h2 {
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  border-bottom: none;
  padding-bottom: 0;
  margin-top: 0;
}

.doc-section.tutorial .doc-card {
  background: linear-gradient(135deg,
    color-mix(in oklch, var(--accent-bg) 70%, var(--bg-card)) 0%,
    var(--bg-card) 70%);
  padding: 2rem;
}

.doc-section.tutorial .doc-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.doc-section.tutorial .doc-card p {
  font-size: 1rem;
  max-width: 36rem;
}

.doc-section.howto .doc-cards,
.doc-section.explanation .doc-cards {
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
}

.doc-section.howto .doc-card,
.doc-section.explanation .doc-card {
  padding: 1.25rem 1.4rem;
}

.doc-section.reference .doc-cards {
  grid-template-columns: 1fr;
  gap: 0;
}

.doc-section.reference .doc-card {
  border-radius: 0;
  border-top: none;
  padding: 1rem 1.4rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.doc-section.reference .doc-card:first-child {
  border-top: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
}

.doc-section.reference .doc-card:last-child {
  border-radius: 0 0 var(--radius) var(--radius);
}

.doc-section.reference .doc-card h3 {
  margin-bottom: 0;
  font-size: 0.98rem;
  flex: 0 0 11rem;
  color: var(--accent);
}

.doc-section.reference .doc-card p {
  margin-bottom: 0;
  font-size: 0.88rem;
  flex: 1;
}

@media (max-width: 640px) {
  .doc-section.reference .doc-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}

/* Definition list. */
.doc-content dl { margin-bottom: 1.25rem; }

.doc-content dt {
  font-weight: 650;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  margin-top: 1rem;
}

.doc-content dd {
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

/* Footer. */
.doc-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 3rem;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.doc-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.doc-footer-inner a { color: var(--text-muted); }
.doc-footer-inner a:hover { color: var(--text); }

/* Breadcrumb. */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 0.4rem; }

/* Command palette: Cmd/Ctrl-K (or "/") opens a fuzzy-search dialog over
   every doc page. Native <dialog> handles focus trap and Esc-to-close. */

.palette-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem 0.35rem 0.55rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.palette-trigger:hover {
  color: var(--text);
  border-color: var(--accent);
}

.palette-trigger svg { color: var(--text-muted); flex-shrink: 0; }
.palette-trigger:hover svg { color: var(--accent); }

.palette-trigger kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.05em 0.4em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .palette-trigger kbd { display: none; }
  .palette-trigger span { display: none; }
  .palette-trigger {
    padding: 0;
    width: 44px;
    height: 44px;
    justify-content: center;
  }
}

.palette {
  width: min(560px, calc(100vw - 2rem));
  max-height: min(70vh, 560px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  margin: 12vh auto auto;
  overflow: hidden;
}

.palette::backdrop {
  background: color-mix(in srgb, var(--bg) 70%, oklch(0 0 0 / 0.5));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.palette-inner { display: flex; flex-direction: column; max-height: inherit; }

.palette-input-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.palette-input-row svg { color: var(--text-muted); flex-shrink: 0; }

.palette-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  padding: 0;
}

.palette-input::placeholder { color: var(--text-muted); }

.palette-input-row kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1em 0.45em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.palette-list {
  list-style: none;
  padding: 0.4rem;
  margin: 0;
  overflow-y: auto;
  flex: 1;
}

.palette-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.92rem;
}

.palette-item[aria-selected="true"] { background: var(--accent-bg); }
.palette-item[aria-selected="true"] .palette-item-section { color: var(--accent); }
.palette-item.current .palette-item-label { color: var(--accent); }
.palette-item.current .palette-item-label::after {
  content: "current";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 0.5rem;
}

.palette-item-label { color: var(--text); font-weight: 500; }
.palette-item[aria-selected="true"] .palette-item-label { color: var(--text); }

.palette-item-section {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.palette-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.palette-footer {
  display: flex;
  gap: 1.25rem;
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-subtle);
}

.palette-footer span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.palette-footer kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05em 0.4em;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .palette { margin-top: 6vh; max-height: 80vh; }
  .palette-footer { display: none; }
}

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