/* ─────────────────────────────────────────────
   3Notch · Docs styles
   Brand-aligned with the landing page.
   ───────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #0B0A08;
  --ink-soft:   #111009;
  --surface:    #181512;
  --line:       #242018;
  --line-mid:   #2E2A24;
  --paper:      #F4EFE5;
  --paper-dim:  #8A847B;
  --paper-mute: #4D4843;
  --mark:       #E04E2C;
  --mark-dim:   rgba(224,78,44,0.10);
  --ok:         #5A9E5A;
  --no:         #9E4A3A;
  --f:          'Geist', system-ui, -apple-system, sans-serif;
  --f-mono:     'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --sidebar-w:  256px;
  --content-w:  760px;
  --pad:        2rem;
  --pad-sm:     1.25rem;
}

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02";
}

::selection { background: var(--mark); color: var(--paper); }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* ── NAV ── */
.docs-nav {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(11,10,8,0.92);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
}
.docs-nav-inner {
  max-width: calc(var(--sidebar-w) + var(--content-w) + 6rem);
  margin: 0 auto; padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.docs-nav-left { display: flex; align-items: center; gap: 1.5rem; }
.wordmark { display: flex; align-items: center; gap: 10px; }
.wm-mark { display: flex; flex-direction: column; gap: 3px; width: 16px; }
.wm-mark span { display: block; height: 2px; background: var(--mark); border-radius: 1px; }
.wm-text { font-family: var(--f); font-weight: 600; font-size: 0.98rem; letter-spacing: -0.025em; color: var(--paper); line-height: 1; }
.wm-text b { color: var(--mark); font-weight: 600; }

.docs-nav-breadcrumb {
  font-family: var(--f-mono); font-size: 0.65rem;
  color: var(--paper-mute); letter-spacing: 0.14em; text-transform: uppercase;
}
.docs-nav-breadcrumb b { color: var(--mark); font-weight: 500; }
.docs-nav-breadcrumb .sep { padding: 0 0.4rem; color: var(--line-mid); }

.docs-nav-right { display: flex; align-items: center; gap: 1.25rem; }
.nav-link {
  font-family: var(--f-mono); font-size: 0.7rem; color: var(--paper-dim);
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: color 0.15s ease;
}
.nav-link:hover { color: var(--paper); }
.nav-cta {
  font-family: var(--f-mono); font-size: 0.68rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: 1px solid var(--line-mid); padding: 7px 12px;
  color: var(--paper); transition: border-color 0.15s, color 0.15s;
  display: inline-flex; align-items: center; gap: 7px;
}
.nav-cta:hover { border-color: var(--mark); color: var(--mark); }
.nav-cta svg { width: 12px; height: 12px; }

/* ── LAYOUT ── */
.docs-layout {
  max-width: calc(var(--sidebar-w) + var(--content-w) + 6rem);
  margin: 0 auto; padding: 0 var(--pad);
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 3rem;
  align-items: start;
}

/* ── SIDEBAR ── */
.docs-sidebar {
  position: sticky; top: 56px;
  align-self: start;
  border-right: 1px solid var(--line);
  padding: 2.5rem 1.5rem 2.5rem 0;
  height: calc(100vh - 56px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-mid) transparent;
}
.docs-sidebar::-webkit-scrollbar { width: 6px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--line-mid); border-radius: 3px; }
.docs-sidebar-toggle { display: none; }
.docs-sidebar-group + .docs-sidebar-group { margin-top: 2rem; }
.docs-sidebar-head {
  font-family: var(--f-mono); font-size: 0.6rem;
  color: var(--paper-mute); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 0.85rem; padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}
.docs-sidebar ul { list-style: none; display: flex; flex-direction: column; gap: 0.2rem; }
.docs-sidebar a {
  display: block;
  font-size: 0.88rem; color: var(--paper-dim);
  padding: 0.45rem 0.75rem;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1.4;
}
.docs-sidebar a:hover {
  color: var(--paper);
  background: var(--ink-soft);
}
.docs-sidebar a[aria-current="page"] {
  color: var(--mark);
  border-left-color: var(--mark);
  background: var(--ink-soft);
  font-weight: 500;
}

/* ── CONTENT ── */
.docs-content {
  padding: 2.5rem 0 4rem;
  max-width: var(--content-w);
  min-width: 0; /* prevent grid overflow */
}
.docs-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem; gap: 1rem;
}
.docs-meta .eyebrow {
  font-family: var(--f-mono); font-size: 0.62rem;
  color: var(--mark); letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 500;
}
.docs-meta .docs-edit a {
  font-family: var(--f-mono); font-size: 0.65rem;
  color: var(--paper-mute); letter-spacing: 0.12em; text-transform: uppercase;
  transition: color 0.15s;
}
.docs-meta .docs-edit a:hover { color: var(--mark); }

.docs-content h1 {
  font-family: var(--f); font-weight: 600;
  font-size: clamp(2.25rem, 4.5vw, 3rem);
  letter-spacing: -0.04em; line-height: 1.05;
  color: var(--paper); margin-bottom: 1rem;
}
.docs-content h1 .accent { color: var(--mark); }
.docs-lede {
  font-size: 1.1rem; color: var(--paper-dim);
  line-height: 1.55; margin-bottom: 2.5rem;
  max-width: 38rem; letter-spacing: -0.005em;
}
.docs-content h2 {
  font-family: var(--f); font-weight: 600;
  font-size: 1.45rem; letter-spacing: -0.025em; line-height: 1.2;
  color: var(--paper);
  margin-top: 3rem; margin-bottom: 0.85rem;
  padding-top: 2rem; border-top: 1px solid var(--line);
}
.docs-content h2:first-of-type { padding-top: 0; border-top: none; margin-top: 1.5rem; }
.docs-content h3 {
  font-family: var(--f); font-weight: 500;
  font-size: 1.05rem; letter-spacing: -0.015em; line-height: 1.3;
  color: var(--paper);
  margin-top: 1.8rem; margin-bottom: 0.5rem;
}
.docs-content p,
.docs-content ul,
.docs-content ol {
  font-size: 0.98rem; color: var(--paper-dim); line-height: 1.7;
  margin-bottom: 1.1rem; max-width: 36rem;
}
.docs-content p strong,
.docs-content li strong { color: var(--paper); font-weight: 500; }
.docs-content a {
  color: var(--paper); border-bottom: 1px solid var(--line-mid);
  transition: color 0.15s, border-color 0.15s;
}
.docs-content a:hover { color: var(--mark); border-color: var(--mark); }

.docs-content ul, .docs-content ol {
  padding-left: 1.4rem;
}
.docs-content li { margin-bottom: 0.4rem; }
.docs-content li::marker { color: var(--mark); }
.docs-content li > ul, .docs-content li > ol {
  margin-top: 0.4rem; margin-bottom: 0.4rem;
}

.docs-content code {
  font-family: var(--f-mono); font-size: 0.87em;
  color: var(--paper); background: var(--ink-soft);
  padding: 1px 6px; border: 1px solid var(--line);
  border-radius: 0;
  white-space: nowrap;
}
.docs-content pre {
  font-family: var(--f-mono); font-size: 0.82rem;
  background: var(--ink-soft); border: 1px solid var(--line-mid);
  padding: 1rem 1.25rem; margin: 1.25rem 0 1.75rem;
  overflow-x: auto; line-height: 1.7;
  scrollbar-width: thin;
  scrollbar-color: var(--line-mid) transparent;
}
.docs-content pre code {
  background: none; border: none; padding: 0;
  color: var(--paper-dim); white-space: pre; font-size: inherit;
}
.docs-content pre .prompt { color: var(--mark); user-select: none; }
.docs-content pre .cmd { color: var(--paper); }
.docs-content pre .flag { color: var(--paper); }
.docs-content pre .arg { color: var(--paper-dim); }
.docs-content pre .ok { color: var(--ok); }
.docs-content pre .warn { color: var(--no); }
.docs-content pre .info { color: var(--paper-mute); }
.docs-content pre .key { color: var(--mark); }
.docs-content pre .dim { color: var(--paper-mute); }
.docs-content pre .c { color: #6E665B; font-style: italic; }

.docs-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--mark);
  background: var(--ink-soft);
  color: var(--paper-dim);
  font-size: 0.95rem;
  max-width: 38rem;
}
.docs-content blockquote p { margin-bottom: 0.5rem; max-width: none; }
.docs-content blockquote p:last-child { margin-bottom: 0; }
.docs-content blockquote strong { color: var(--paper); }

.docs-content hr {
  border: none; border-top: 1px solid var(--line);
  margin: 3rem 0;
}

.docs-content table {
  width: 100%; border-collapse: collapse;
  margin: 1.25rem 0 1.75rem;
  font-size: 0.9rem; color: var(--paper-dim);
  border: 1px solid var(--line);
  max-width: 38rem;
}
.docs-content th {
  font-family: var(--f-mono); font-size: 0.6rem;
  color: var(--paper-mute); letter-spacing: 0.14em; text-transform: uppercase;
  text-align: left; padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--ink-soft); font-weight: 500;
}
.docs-content td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.docs-content tr:last-child td { border-bottom: none; }

/* ── INFO / NOTE BLOCKS ── */
.docs-note {
  display: flex; gap: 1rem;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-left: 2px solid var(--mark);
  max-width: 38rem;
}
.docs-note-label {
  font-family: var(--f-mono); font-size: 0.6rem;
  color: var(--mark); letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 0.4rem; font-weight: 500;
}
.docs-note p { margin-bottom: 0.5rem; font-size: 0.9rem; color: var(--paper-dim); max-width: none; }
.docs-note p:last-child { margin-bottom: 0; }

/* ── NEXT / PREV ── */
.docs-pagination {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-top: 4rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.docs-pagination a {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  transition: border-color 0.15s, background 0.15s;
}
.docs-pagination a:hover { border-color: var(--mark); }
.docs-pagination a.next { text-align: right; }
.docs-pagination .label {
  font-family: var(--f-mono); font-size: 0.6rem;
  color: var(--paper-mute); letter-spacing: 0.16em; text-transform: uppercase;
}
.docs-pagination .title {
  font-size: 0.95rem; color: var(--paper); letter-spacing: -0.015em;
  font-weight: 500;
}
.docs-pagination a:hover .title { color: var(--mark); }

/* ── DOC LIST (used on index) ── */
.doc-list {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line);
  margin: 1.5rem 0 2.5rem;
  max-width: 44rem;
}
.doc-list a {
  display: block; padding: 1.25rem 1.4rem;
  background: var(--ink-soft);
  border: none;
  transition: background 0.15s;
}
.doc-list a:hover { background: var(--ink); border: none; }
.doc-list a strong {
  display: block;
  font-family: var(--f); font-weight: 500;
  font-size: 1rem; color: var(--paper);
  letter-spacing: -0.015em; margin-bottom: 0.3rem;
}
.doc-list a span {
  font-size: 0.85rem; color: var(--paper-dim);
  line-height: 1.5;
}
.doc-list a:hover strong { color: var(--mark); }

/* ── FOOTER ── */
.docs-footer {
  border-top: 1px solid var(--line);
  padding: 2rem var(--pad);
  margin-top: 2rem;
}
.docs-footer-inner {
  max-width: calc(var(--sidebar-w) + var(--content-w) + 6rem);
  margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
  font-family: var(--f-mono); font-size: 0.62rem;
  color: var(--paper-mute); letter-spacing: 0.12em;
}
.docs-footer-inner b { color: var(--mark); font-weight: 500; }
.docs-footer a { color: var(--paper-mute); transition: color 0.15s; }
.docs-footer a:hover { color: var(--paper); }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; gap: 0; }
  .docs-sidebar {
    position: static; height: auto;
    border-right: none; border-bottom: 1px solid var(--line);
    padding: 1.25rem 0;
    margin-bottom: 1.5rem;
  }
  .docs-sidebar-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 0.75rem 0;
    font-family: var(--f-mono); font-size: 0.7rem;
    color: var(--paper-dim); letter-spacing: 0.14em; text-transform: uppercase;
  }
  .docs-sidebar-toggle::after {
    content: "+";
    font-family: var(--f-mono); font-size: 1.1rem; color: var(--mark);
    transition: transform 0.18s;
  }
  .docs-sidebar.open .docs-sidebar-toggle::after { transform: rotate(45deg); }
  .docs-sidebar-inner { display: none; padding-top: 0.5rem; }
  .docs-sidebar.open .docs-sidebar-inner { display: block; }
  .docs-content { padding: 0 0 3rem; }
  .docs-pagination { grid-template-columns: 1fr; }
  .doc-list { grid-template-columns: 1fr; }
  .docs-nav-breadcrumb { display: none; }
}

@media (max-width: 520px) {
  :root { --pad: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}