/* The directory has its own layout; it must never inherit an article's sidebar grid. */
.error-directory-hero { padding: 28px 0 34px; }
.error-directory-hero .crumbs { margin-top: 0; margin-bottom: 18px; font-size: .82rem; }
.error-directory-hero h1 { font-size: clamp(1.9rem, 3.5vw, 2.65rem); margin-bottom: 12px; }
.error-directory-hero .lead { font-size: 1.05rem; line-height: 1.6; max-width: 760px; margin-bottom: 22px; }
.error-directory-search { max-width: 660px; }
.error-directory-search label { display: block; font-size: .82rem; font-weight: 550; color: #c2ccdb; margin-bottom: 8px; }
.error-search-field { position: relative; }
.error-search-field svg { position: absolute; width: 20px; height: 20px; left: 16px; top: 17px; fill: none; stroke: #68758a; stroke-width: 1.7; pointer-events: none; }
.error-search-field input { display: block; width: 100%; height: 54px; padding: 12px 16px 12px 48px; border: 1px solid #d8dee8; border-radius: 8px; background: #fff; color: var(--text); font: inherit; font-size: 1rem; }
.error-search-field input::placeholder { color: #707b8d; opacity: 1; }
.error-search-field input:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.error-family-nav { background: #f8fafb; border-bottom: 1px solid var(--line); padding: 15px 0; }
.error-family-nav .wrap { display: flex; align-items: baseline; gap: 22px; }
.error-family-nav .wrap > span { color: var(--muted); font-size: .8rem; white-space: nowrap; }
.error-family-nav .wrap > div { display: flex; flex-wrap: wrap; gap: 3px 20px; }
.error-family-nav a { padding: 6px 0; color: #344054; font-size: .86rem; font-weight: 600; }
.error-family-nav a:hover { color: var(--accent-ink); text-decoration: underline; text-underline-offset: 5px; }
.error-directory-content { padding: 30px 0 56px; }
.error-directory .err-group { margin: 0 0 38px; padding: 0; }
.error-group-heading, .error-results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.error-group-heading h2, .error-results-heading h2 { font-size: 1.23rem; line-height: 1.35; margin: 0; letter-spacing: -.015em; scroll-margin-top: 100px; }
.error-group-heading h2 a { color: var(--text); }
.error-group-heading h2 span { color: var(--muted); font-size: .85rem; font-weight: 450; letter-spacing: 0; margin-left: 12px; }
.error-group-heading .error-view-family { font-size: .82rem; font-weight: 550; white-space: nowrap; }
.error-results-heading p, .error-hub-status { font-size: .87rem; color: var(--muted); margin: 0; }
.error-hub-status:not([hidden]) { margin-bottom: 22px; }
.error-code-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 36px; list-style: none; padding: 0; margin: 0; }
.error-code-list li { min-width: 0; border-top: 1px solid var(--line); }
.error-code-list li a { display: grid; grid-template-columns: 132px minmax(0, 1fr) 16px; align-items: baseline; column-gap: 14px; min-height: 55px; padding: 15px 5px; font-size: .94rem; line-height: 1.55; color: #344054; border-radius: 3px; text-decoration: none; }
.error-code-list code { font: 600 .87rem/1.6 var(--mono); color: var(--accent-ink); background: none; border: 0; border-radius: 0; padding: 0; overflow-wrap: anywhere; }
.error-code-meaning { min-width: 0; overflow-wrap: anywhere; }
.error-code-arrow { color: #8b97a8; text-align: right; }
.error-code-list li a:hover { background: var(--bg-soft); text-decoration: none; }
.error-code-list li a:hover .error-code-meaning { color: var(--text); }
.error-code-list li a:hover .error-code-arrow { color: var(--accent-ink); }
.error-directory a:focus-visible, .error-directory button:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; }
.error-directory-note { border-top: 1px solid var(--line); margin-top: 36px; padding: 24px 0 0; max-width: 780px; }
.error-directory-note h2 { font-size: 1.1rem; margin-bottom: 12px; }
.error-directory-note p { font-size: .92rem; color: var(--muted); line-height: 1.75; }
.error-empty { padding: 36px 0 52px; }
.error-empty h2 { font-size: 1.35rem; }
.error-empty p { color: var(--muted); }
.error-empty button { padding: 10px 16px; background: #fff; border: 1px solid var(--line); border-radius: 7px; font: inherit; color: var(--accent-ink); cursor: pointer; }
.error-code-list li[hidden], .error-directory .err-group[hidden], .error-directory [hidden] { display: none !important; }

/* Detail pages keep the technical article in focus, with quieter supporting material. */
.error-reference .err-body { padding-bottom: 32px; }
.error-reference .err-body .wrap { grid-template-columns: minmax(0, 760px) minmax(250px, 1fr); gap: 40px; }
.error-reference > section:not(.err-hero):not(.err-body) { padding-top: 32px; padding-bottom: 32px; }
.error-reference .section-head h2 { font-size: 1.55rem; }
.error-reference .err-hero { padding: 28px 0 32px; }
.error-reference .err-hero h1 { font-size: clamp(1.85rem, 3.3vw, 2.65rem); max-width: 1050px; }
.error-reference .err-hero .lead { font-size: 1.08rem; max-width: 850px; }
.error-reference .err-hero .crumbs { margin-top: 0; margin-bottom: 20px; }
.error-aliases { color: #b7c3d5; font-size: .84rem; margin-top: 18px; }
.error-aliases summary { cursor: pointer; width: fit-content; padding: 5px 0; }
.error-aliases .err-aliases { font-size: .82rem; line-height: 1.9; margin-top: 10px; }
.error-reference .err-aliases code { color: #d3deed; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); }
.error-reference .err-banner { background: var(--bg-soft); color: #465268; border: 1px solid var(--line); padding: 22px; font-size: .88rem; line-height: 1.7; }
.error-reference .err-banner strong { color: var(--text); font-size: 1rem; }
.error-reference .err-banner a:not(.btn) { text-decoration: underline; text-underline-offset: 3px; }
.error-reference .err-banner .btn { font-size: .84rem; }
.error-reference .err-banner .btn-ghost { color: var(--text); border-color: #cbd3df; }
.error-reference .err-banner kbd { background: #fff; color: #344054; border-color: #cbd3df; }
.error-reference .err-sources { padding: 22px 0 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: transparent; font-size: .88rem; line-height: 1.75; }
.error-reference .err-sources h2 { font-size: 1.1rem; margin-top: 0; }

@media (max-width: 900px) {
  .error-reference .err-body .wrap { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .error-code-list { column-gap: 24px; }
  .error-code-list li a { grid-template-columns: 112px minmax(0, 1fr); gap: 8px; }
  .error-code-arrow { display: none; }
  .error-family-nav .wrap { display: block; }
  .error-family-nav .wrap > span { display: none; }
}
@media (max-width: 640px) {
  .error-directory-hero { padding: 22px 0 26px; }
  .error-directory-hero .crumbs { font-size: .77rem; margin-bottom: 14px; }
  .error-directory[data-family] .crumbs li:last-child { display: none; }
  .error-directory-hero h1 { font-size: 1.9rem; }
  .error-directory-hero .lead { font-size: .98rem; line-height: 1.6; margin-bottom: 20px; }
  .error-directory-search label { font-size: .8rem; }
  .error-search-field input { font-size: 16px; padding-left: 43px; }
  .error-search-field svg { left: 13px; }
  .error-family-nav { padding: 2px 0; }
  .error-family-nav .wrap { padding-right: 0; position: relative; }
  .error-family-nav .wrap::after { content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 22px; background: linear-gradient(90deg, transparent, #f8fafb); pointer-events: none; }
  .error-family-nav .wrap > div { flex-wrap: nowrap; overflow-x: auto; gap: 22px; padding-right: 24px; scrollbar-width: none; }
  .error-family-nav .wrap > div::-webkit-scrollbar { display: none; }
  .error-family-nav a { display: flex; align-items: center; flex-shrink: 0; min-height: 48px; font-size: .83rem; }
  .error-directory-content { padding: 24px 0 40px; }
  .error-group-heading, .error-results-heading { gap: 12px; margin-bottom: 12px; }
  .error-group-heading h2, .error-results-heading h2 { font-size: 1.1rem; }
  .error-group-heading h2 span { margin-left: 8px; font-size: .78rem; }
  .error-view-family { display: none; }
  .error-code-list { grid-template-columns: minmax(0, 1fr); }
  .error-code-list li a { grid-template-columns: 128px minmax(0, 1fr); min-height: 56px; padding: 14px 0; column-gap: 12px; font-size: .94rem; }
  .error-code-list code { font-size: .875rem; }
  .error-reference .err-hero { padding: 20px 0 26px; }
  .error-reference .err-hero .lead { font-size: 1rem; }
  .error-reference .err-hero .eyebrow { margin-bottom: 10px; }
  .error-aliases summary { min-height: 44px; padding: 10px 0; }
}

/* The trace is part of the article, not a separate marketing section. */
.error-reference .err-trace { padding: 0; margin-top: 32px; }
.error-reference .err-trace [data-copy-status] { display: block; min-height: 1.6em; margin-top: 8px; font-size: .85rem; color: var(--muted); }