/* ===================== DOCS PAGE ===================== */

.docs-body { background: var(--bg); }

/* ---- hero ---- */
.docs-hero {
  padding: 96px 0 40px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px;
}

.chip-row { display: flex; gap: 8px; margin-bottom: 20px; }

.docs-hero-title {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  max-width: 780px;
  margin: 0 0 16px;
  color: var(--text);
}

.docs-hero-sub {
  max-width: 620px;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 28px;
}

.docs-hero-sub code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
}

.docs-search {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 420px;
  height: 40px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.docs-search-ico { color: var(--text-2); font-size: 15px; }

.docs-search input {
  flex: 1;
  border: 0;
  background: transparent;
  outline: none;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--text);
}

.docs-search input::placeholder { color: var(--text-2); }

.docs-search-kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  background: var(--surface-2);
}

/* ---- shell: sidebar / content / toc ---- */
.docs-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 96px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 200px;
  gap: 48px;
  align-items: start;
}

.docs-sidebar-toggle { display: none; }

/* left sidebar */
.docs-sidebar {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  padding-right: 8px;
}

.docs-nav-group { margin-bottom: 24px; }

.docs-nav-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 8px;
}

.docs-nav-link {
  display: block;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.docs-nav-link:hover { color: var(--text); }

.docs-nav-link.active {
  color: var(--blank-pink);
  border-left-color: var(--blank-pink);
  font-weight: 500;
}

/* center content */
.docs-content { min-width: 0; }

.docs-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 56px;
}

.doc-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.doc-card:hover { border-color: var(--blank-pink); transform: translateY(-2px); }

.doc-card-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blank-pink);
}

.doc-card h3 { font-size: 15px; font-weight: 600; margin: 0; color: var(--text); }

.doc-card p { font-size: 13px; color: var(--text-2); line-height: 1.5; margin: 0; }

.doc-card-time {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
}

.docs-article {
  padding-top: 24px;
  margin-bottom: 24px;
  border-top: 1px solid var(--border);
  scroll-margin-top: 88px;
}

.docs-article:first-of-type { border-top: 0; padding-top: 0; }

.docs-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-2);
  margin: 0 0 8px;
}

.docs-article h2 {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  scroll-margin-top: 88px;
}

.docs-article h2 code {
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
}

.docs-article h3 {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin: 28px 0 12px;
  scroll-margin-top: 88px;
}

.docs-lede {
  font-size: 15.5px;
  color: var(--text-2);
  line-height: 1.65;
  margin: 0 0 20px;
}

.docs-article p {
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.7;
  margin: 0 0 16px;
}

.docs-article ul,
.docs-article ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.8;
}

.docs-article li { margin-bottom: 4px; }

.docs-article a { color: var(--blank-pink); text-decoration: none; border-bottom: 1px solid var(--blank-pink-border); }
.docs-article a:hover { border-bottom-color: var(--blank-pink); }

.docs-article code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  color: var(--text);
}

/* tables */
.docs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 13.5px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.docs-table th,
.docs-table td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}

.docs-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-2);
  background: var(--surface-2);
}

.docs-table td { color: var(--text); }
.docs-table td code { white-space: nowrap; }
.docs-table tr:last-child td { border-bottom: 0; }

/* code blocks */
.docs-code {
  margin: 0 0 24px;
  border: 1px solid var(--blank-lead);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--blank-carbon);
}

.docs-code-head {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--blank-lead);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--blank-gray-300);
}

.docs-code-head > span:first-child { flex: 1; }

.docs-code-lang {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blank-gray-500);
}

.docs-code-copy {
  margin-left: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blank-gray-300);
  background: transparent;
  border: 1px solid var(--blank-lead);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.docs-code-copy:hover { color: var(--blank-white); border-color: var(--blank-graphite); }

.docs-code pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
}

.docs-code code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--blank-gray-100);
  background: transparent;
  border: 0;
  padding: 0;
  white-space: pre;
}

/* callouts */
.callout {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 24px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  border-left: 3px solid var(--text-2);
  background: var(--surface-2);
}

.callout p { margin: 0; font-size: 14px; color: var(--text); }

.callout-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.callout-note { border-left-color: var(--info); }
.callout-note .callout-label { color: var(--info); }

.callout-tip { border-left-color: var(--success); }
.callout-tip .callout-label { color: var(--success); }

.callout-warning { border-left-color: var(--warning); }
.callout-warning .callout-label { color: var(--warning); }

.callout-important { border-left-color: var(--blank-pink); }
.callout-important .callout-label { color: var(--blank-pink); }

.callout-experimental { border-left-color: var(--blank-graphite); border-style: dashed; }
.callout-experimental .callout-label { color: var(--text-2); }

/* prev/next */
.docs-prevnext {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.docs-prevnext-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: 13.5px;
}

.docs-prevnext-next { text-align: right; align-items: flex-end; }

.docs-prevnext-link span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-2);
  font-weight: 400;
}

.docs-prevnext-link:hover { color: var(--blank-pink); }

/* right toc */
.docs-toc {
  position: sticky;
  top: 88px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}

.docs-toc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 10px;
}

#docs-toc-nav a {
  display: block;
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

#docs-toc-nav a:hover { color: var(--text); }

#docs-toc-nav a.active {
  color: var(--blank-pink);
  border-left-color: var(--blank-pink);
}

/* faq reuse inside docs */
.docs-article .faq-item { margin-bottom: 8px; }

/* ---- responsive ---- */
@media (max-width: 1024px) {
  .docs-shell { grid-template-columns: 200px minmax(0, 1fr); }
  .docs-toc { display: none; }
  .docs-card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .docs-shell { grid-template-columns: 1fr; padding-top: 16px; }
  .docs-sidebar-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    height: 40px;
    padding: 0 14px;
    margin-bottom: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
    display: none;
    margin-bottom: 24px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
  }
  .docs-sidebar.open { display: block; }
  .docs-card-grid { grid-template-columns: 1fr; }
  .docs-hero { padding-top: 76px; }
}

@media (max-width: 640px) {
  .docs-shell { padding-left: 16px; padding-right: 16px; }
}