/* MetadataONE Developer Docs — shared styling */

:root {
  --term-bg: #0c0c0f;
  --term-surface: #141419;
  --term-surface-2: #1a1a22;
  --term-border: #1e1e26;
  --term-border-bright: #2a2a36;
  --term-text: #b4b4c0;
  --term-text-dim: #6b6b78;
  --term-bright: #e8e8f0;
  --term-orange: #ea580c;
  --term-orange-dim: rgba(234,88,12,0.12);
  --term-green: #22c55e;
  --term-green-dim: rgba(34,197,94,0.12);
  --term-blue: #60a5fa;
  --term-blue-dim: rgba(96,165,250,0.12);
  --term-yellow: #fbbf24;
  --term-purple: #a78bfa;
  --term-red: #f87171;
  --mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --sans: 'Rubik', -apple-system, sans-serif;

  --sidebar-w: 280px;
  --header-h: 56px;
  --rightbar-w: 220px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--term-bg);
  color: var(--term-text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--term-orange); text-decoration: none; }
a:hover { color: #f97316; }
code, pre, kbd { font-family: var(--mono); }

::selection { background: var(--term-orange-dim); color: var(--term-bright); }

/* ── Top header ── */
.docs-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(12,12,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--term-border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 24px;
}

.docs-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--term-bright);
  font-weight: 600;
  letter-spacing: -0.3px;
  text-decoration: none;
}
.docs-brand:hover { color: var(--term-bright); }

.docs-brand-mark {
  width: 24px; height: 24px;
  background: var(--term-orange);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -1px;
}

.docs-brand-sep {
  color: var(--term-text-dim);
  margin: 0 2px;
  font-weight: 400;
}
.docs-brand-suffix {
  color: var(--term-text);
  font-weight: 500;
}

.docs-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.docs-search input {
  width: 100%;
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-radius: 7px;
  padding: 8px 12px 8px 36px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--term-bright);
  outline: none;
  transition: border-color 0.15s;
}
.docs-search input:focus { border-color: var(--term-orange); }
.docs-search input::placeholder { color: var(--term-text-dim); }
.docs-search::before {
  content: '⌕';
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--term-text-dim);
  font-size: 14px;
}
.docs-search kbd {
  position: absolute;
  right: 8px; top: 50%;
  transform: translateY(-50%);
  background: var(--term-border);
  color: var(--term-text-dim);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.docs-header-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  font-family: var(--mono);
}
.docs-header-links a {
  color: var(--term-text);
}
.docs-header-links a:hover { color: var(--term-bright); }

.docs-cta {
  background: var(--term-orange);
  color: #fff !important;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.docs-cta:hover { background: #c2410c; color: #fff !important; }

.docs-mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--term-border);
  color: var(--term-text);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
}

/* ── Layout ── */
.docs-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr var(--rightbar-w);
  max-width: 1600px;
  margin: 0 auto;
  padding-top: var(--header-h);
  min-height: 100vh;
}

/* ── Sidebar ── */
.docs-sidebar {
  border-right: 1px solid var(--term-border);
  padding: 32px 20px 80px 24px;
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  font-size: 13.5px;
}

.docs-sidebar::-webkit-scrollbar { width: 6px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--term-border-bright); border-radius: 3px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }

.nav-group {
  margin-bottom: 28px;
}

.nav-group-label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--term-text-dim);
  margin-bottom: 10px;
  padding-left: 10px;
}

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

.nav-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--term-text);
  font-size: 13.5px;
  transition: all 0.12s;
  line-height: 1.4;
}
.nav-list a:hover {
  background: var(--term-surface);
  color: var(--term-bright);
}
.nav-list a.active {
  background: var(--term-orange-dim);
  color: var(--term-orange);
  font-weight: 500;
}
.nav-list a.active::before {
  content: '';
  display: none;
}

.nav-count {
  background: var(--term-surface);
  color: var(--term-text-dim);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 10px;
  border: 1px solid var(--term-border);
}
.nav-list a.active .nav-count {
  background: rgba(234,88,12,0.2);
  color: var(--term-orange);
  border-color: rgba(234,88,12,0.3);
}

/* ── Main content ── */
.docs-main {
  padding: 48px 56px 120px;
  max-width: 100%;
  min-width: 0;
}

.docs-breadcrumb {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--term-text-dim);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.docs-breadcrumb a { color: var(--term-text-dim); }
.docs-breadcrumb a:hover { color: var(--term-text); }
.docs-breadcrumb-sep { color: var(--term-border-bright); }
.docs-breadcrumb .current { color: var(--term-bright); }

.docs-h1 {
  font-size: 38px;
  font-weight: 800;
  color: var(--term-bright);
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin: 0 0 16px;
}

.docs-lede {
  font-size: 17px;
  color: var(--term-text);
  line-height: 1.65;
  max-width: 720px;
  margin-bottom: 36px;
}

.docs-h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--term-bright);
  letter-spacing: -0.6px;
  margin: 56px 0 14px;
  padding-top: 12px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.docs-h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--term-bright);
  margin: 36px 0 10px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.docs-h4 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--term-orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 28px 0 10px;
}

.docs-main p {
  max-width: 720px;
  margin: 0 0 16px;
}

.docs-main ul, .docs-main ol {
  max-width: 720px;
  padding-left: 22px;
  margin: 0 0 20px;
}
.docs-main li { margin-bottom: 6px; }

.docs-main p code,
.docs-main li code,
.docs-main td code {
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--term-yellow);
}

/* ── Code blocks ── */
.code-block {
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-radius: 8px;
  margin: 16px 0 24px;
  overflow: hidden;
  max-width: 720px;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--term-border);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--term-text-dim);
  background: rgba(0,0,0,0.2);
}

.code-block-lang {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.code-copy {
  background: transparent;
  border: 1px solid transparent;
  color: var(--term-text-dim);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.04em;
}
.code-copy:hover {
  border-color: var(--term-border-bright);
  color: var(--term-bright);
}
.code-copy.copied { color: var(--term-green); border-color: rgba(34,197,94,0.3); }

.code-block pre {
  margin: 0;
  padding: 16px 18px;
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  color: var(--term-text);
}

.code-block pre::-webkit-scrollbar { height: 8px; }
.code-block pre::-webkit-scrollbar-thumb { background: var(--term-border-bright); border-radius: 4px; }

/* Simple syntax highlight classes */
.tok-kw { color: var(--term-purple); }
.tok-str { color: var(--term-green); }
.tok-num { color: var(--term-yellow); }
.tok-fn { color: var(--term-blue); }
.tok-com { color: var(--term-text-dim); font-style: italic; }
.tok-var { color: var(--term-bright); }
.tok-prop { color: var(--term-blue); }
.tok-punc { color: var(--term-text-dim); }

/* ── Callouts ── */
.callout {
  border-radius: 8px;
  padding: 14px 18px;
  margin: 20px 0 24px;
  max-width: 720px;
  border-left: 3px solid;
  font-size: 14px;
  line-height: 1.6;
}
.callout p { margin: 0; }
.callout-note { background: var(--term-blue-dim); border-color: var(--term-blue); color: var(--term-text); }
.callout-note strong { color: var(--term-blue); }
.callout-warn { background: rgba(251,191,36,0.08); border-color: var(--term-yellow); color: var(--term-text); }
.callout-warn strong { color: var(--term-yellow); }
.callout-ok { background: var(--term-green-dim); border-color: var(--term-green); color: var(--term-text); }
.callout-ok strong { color: var(--term-green); }

/* ── Tables ── */
.docs-table {
  width: 100%;
  max-width: 720px;
  border-collapse: collapse;
  border: 1px solid var(--term-border);
  border-radius: 8px;
  overflow: hidden;
  margin: 12px 0 24px;
  font-size: 13.5px;
}
.docs-table th {
  background: var(--term-surface);
  color: var(--term-bright);
  text-align: left;
  font-size: 11.5px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--term-border);
}
.docs-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--term-border);
  vertical-align: top;
}
.docs-table tr:last-child td { border-bottom: none; }
.docs-table tr:hover td { background: var(--term-surface); }

/* ── Right sidebar (on this page) ── */
.docs-rightbar {
  padding: 48px 24px 80px;
  position: sticky;
  top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  font-size: 12.5px;
  font-family: var(--mono);
}

.rightbar-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--term-text-dim);
  margin-bottom: 12px;
}

.rightbar-list { list-style: none; padding: 0; margin: 0; }
.rightbar-list a {
  display: block;
  padding: 3px 10px;
  color: var(--term-text-dim);
  border-left: 2px solid transparent;
  transition: all 0.12s;
  font-size: 12.5px;
}
.rightbar-list a:hover { color: var(--term-text); }
.rightbar-list a.active { color: var(--term-orange); border-left-color: var(--term-orange); }
.rightbar-list li.h3 a { padding-left: 22px; font-size: 12px; }

/* ── Tool card grid ── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--term-border);
  border: 1px solid var(--term-border);
  border-radius: 10px;
  overflow: hidden;
  margin: 24px 0 32px;
  max-width: 820px;
}

.tool-card {
  background: var(--term-surface);
  padding: 18px 20px;
  transition: background 0.12s;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tool-card:hover { background: var(--term-surface-2); }

.tool-card-name {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--term-bright);
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-card-method {
  background: var(--term-orange-dim);
  color: var(--term-orange);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tool-card-method.read { background: var(--term-blue-dim); color: var(--term-blue); }
.tool-card-method.create { background: var(--term-green-dim); color: var(--term-green); }
.tool-card-method.update { background: rgba(167,139,250,0.12); color: var(--term-purple); }
.tool-card-method.action { background: rgba(251,191,36,0.12); color: var(--term-yellow); }

.tool-card-desc {
  font-size: 13px;
  color: var(--term-text);
  line-height: 1.5;
}

.tool-card-meta {
  margin-top: 4px;
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--term-text-dim);
}
.tool-card-meta .credit { color: var(--term-orange); }

/* ── Category filter tabs ── */
.cat-filter {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin: 20px 0 24px;
  border-bottom: 1px solid var(--term-border);
  padding-bottom: 4px;
}

.cat-tab {
  background: transparent;
  border: none;
  color: var(--term-text);
  padding: 8px 14px;
  border-radius: 6px 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.02em;
  transition: all 0.12s;
  position: relative;
}
.cat-tab:hover { color: var(--term-bright); background: var(--term-surface); }
.cat-tab.active {
  color: var(--term-orange);
  background: var(--term-surface);
}
.cat-tab.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0; right: 0;
  height: 2px;
  background: var(--term-orange);
}
.cat-tab .count {
  background: rgba(255,255,255,0.04);
  padding: 1px 5px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  color: var(--term-text-dim);
}
.cat-tab.active .count { color: var(--term-orange); background: var(--term-orange-dim); }

/* ── Tool search ── */
.tool-search {
  margin: 12px 0 8px;
  position: relative;
  max-width: 820px;
}
.tool-search input {
  width: 100%;
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-radius: 8px;
  padding: 11px 14px 11px 40px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--term-bright);
  outline: none;
  transition: border-color 0.15s;
}
.tool-search input:focus { border-color: var(--term-orange); }
.tool-search::before {
  content: '⌕';
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--term-text-dim);
}

.tool-search-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--term-text-dim);
  margin: 8px 2px 12px;
}

/* ── Tool detail panel ── */
.tool-detail {
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-radius: 10px;
  padding: 28px 32px;
  margin: 16px 0 32px;
  max-width: 820px;
}
.tool-detail h3 {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 18px;
  color: var(--term-bright);
  font-weight: 600;
}
.tool-detail .tool-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 11px;
}

/* ── Signature line (hero code) ── */
.sig-line {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--term-bright);
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-left: 3px solid var(--term-orange);
  padding: 12px 18px;
  border-radius: 0 8px 8px 0;
  margin: 12px 0 24px;
  max-width: 720px;
  overflow-x: auto;
}

/* ── CTA cards at page bottom ── */
.next-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 56px 0 24px;
  max-width: 720px;
}
.next-card {
  border: 1px solid var(--term-border);
  border-radius: 8px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--term-text);
  transition: all 0.15s;
  display: block;
}
.next-card:hover {
  border-color: var(--term-orange);
  background: var(--term-surface);
  color: var(--term-text);
}
.next-card-label {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--term-text-dim);
  margin-bottom: 4px;
}
.next-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--term-bright);
  margin-bottom: 2px;
}
.next-card-title::after { content: ' →'; color: var(--term-orange); }
.next-card-desc { font-size: 13px; color: var(--term-text); }

/* ── Kbd ── */
kbd {
  background: var(--term-surface);
  border: 1px solid var(--term-border);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--term-bright);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  .docs-layout { grid-template-columns: var(--sidebar-w) 1fr; }
  .docs-rightbar { display: none; }
  .docs-main { padding: 48px 40px 120px; }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 0; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 280px;
    height: calc(100vh - var(--header-h));
    background: var(--term-bg);
    transform: translateX(-100%);
    transition: transform 0.25s;
    z-index: 90;
    padding: 24px 20px 40px;
  }
  .docs-sidebar.open { transform: translateX(0); box-shadow: 8px 0 32px rgba(0,0,0,0.5); }
  .docs-mobile-toggle { display: inline-flex; }
  .docs-search { display: none; }
  .docs-header-links a:not(.docs-cta) { display: none; }
  .docs-main { padding: 32px 24px 100px; }
  .docs-h1 { font-size: 30px; }
  .tool-grid { grid-template-columns: 1fr; }
  .next-cards { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .docs-brand-suffix { display: none; }
  .docs-main { padding: 24px 18px 80px; }
  .code-block { margin-left: -18px; margin-right: -18px; border-radius: 0; border-left: none; border-right: none; }
  .tool-detail { padding: 20px; }
}

/* ── Footer ── */
.docs-footer {
  border-top: 1px solid var(--term-border);
  padding: 32px 56px;
  margin-top: 80px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--term-text-dim);
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.docs-footer a { color: var(--term-text-dim); }
.docs-footer a:hover { color: var(--term-text); }