/* ─── pages/library.css ─ Skills Library (/library/...). Loaded by
   library/layout.njk for every library page. Built from the v2 vocabulary in
   site.css: page head, .sec, eyebrows, .btn-lg, .app-box, .prose, .ff-list
   and the contact modal (.ctm) for the download email gate. ── */

/* ── Library sub-nav (under the site header) ───────────────────────────────── */
.lib-nav { border-bottom: 1px dashed var(--brand-line); background: rgba(10,11,14,.6); }
.lib-nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding: 12px 0; }
.lib-nav-home { font: 700 12px/1 var(--font-mono); letter-spacing: .4px; color: var(--brand); }
.lib-nav-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.lib-nav-links a { font: 400 12px/1 var(--font-mono); color: var(--fg-secondary); transition: color 60ms steps(1); }
.lib-nav-links a:hover,
.lib-nav-links a[aria-current="page"] { color: var(--brand); }

/* ── Page head extras ──────────────────────────────────────────────────────── */
.lib-crumb a { color: inherit; }
.lib-crumb a:hover { color: var(--fg-primary); }
.page-sub a { color: var(--brand); text-decoration: underline; text-decoration-style: dashed; text-underline-offset: 3px; }

.lib-stats { display: flex; justify-content: center; gap: 40px; margin: 20px 0 0; }
.lib-stats > div { display: flex; flex-direction: column-reverse; align-items: center; gap: 8px; }
.lib-stats dd { margin: 0; font: 800 32px/1 var(--font-mono); letter-spacing: -1px; color: var(--fg-primary); }
.lib-stats dt { font: 700 11px/1 var(--font-mono); letter-spacing: 1.2px; text-transform: uppercase; color: var(--fg-muted); }

/* ── Tags (category, difficulty, connection) ──────────────────────────────── */
.lib-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.lib-tag {
  display: inline-flex; align-items: center; padding: 4px 7px;
  border: 1px solid var(--divider-dim); color: var(--fg-secondary);
  font: 700 10px/1 var(--font-mono); letter-spacing: .6px; text-transform: uppercase;
  transition: border-color 60ms steps(1), color 60ms steps(1);
}
a.lib-tag:hover { border-color: currentColor; color: var(--fg-primary); }
.lib-tag--brand  { border-color: var(--brand-line-strong); color: var(--brand); }
.lib-tag--green  { border-color: rgba(52,211,153,.4);  color: var(--success); }
.lib-tag--yellow { border-color: rgba(253,224,71,.4);  color: var(--hint); }
.lib-tag--red    { border-color: rgba(248,113,113,.4); color: var(--danger); }
a.lib-tag--brand:hover  { color: var(--brand); }
a.lib-tag--green:hover  { color: var(--success); }
a.lib-tag--yellow:hover { color: var(--hint); }
a.lib-tag--red:hover    { color: var(--danger); }

/* ── Card grid ─────────────────────────────────────────────────────────────── */
.lib-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.lib-grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.lib-browse .lib-grid { gap: 14px; }
.lib-grid--tax { grid-template-columns: repeat(4, minmax(0,1fr)); }
.lib-grid--spaced { margin-top: 22px; }

/* ── Skill cards ───────────────────────────────────────────────────────────────
   Same card vocabulary as the blog index: elevated panel, dashed brand border,
   corner marks, footer split off by a dashed rule. */
.tcard {
  position: relative; display: flex; flex-direction: column;
  background: var(--bg-elevated); border: 1px dashed var(--brand-line-strong); color: inherit;
  transition: border-color 60ms steps(1);
}
.tcard[hidden] { display: none; }
.tcard:hover { border-color: var(--brand); color: inherit; }
.tcard-body { display: flex; flex-direction: column; gap: 12px; flex: 1; padding: 22px 20px 18px; }
.tcard-title { margin: 0; font: 700 16px/1.35 var(--font-mono); letter-spacing: .2px; color: var(--fg-primary); text-wrap: pretty; }
.tcard:hover .tcard-title { color: var(--brand); }
.tcard-desc {
  margin: 0; font: 400 13px/21px var(--font-mono); color: var(--fg-muted);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 5; line-clamp: 5; overflow: hidden;   /* long descriptions: 5 lines, full text stays in the HTML */
}
.tcard-conn { margin: auto 0 0; font: 400 12px/18px var(--font-mono); color: var(--fg-secondary); }
.tcard-conn > span:first-child { margin-right: 4px; font-weight: 700; font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--hint); }
.tcard-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin: 0 20px; padding: 14px 0 16px; border-top: 1px dashed var(--divider-dim);
  font: 400 12px/1 var(--font-mono); color: var(--fg-secondary);
}
.tcard-author { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.tcard-author img { width: 24px; height: 24px; flex-shrink: 0; object-fit: cover; image-rendering: pixelated; border: 1px dashed var(--brand-line); }
.tcard-author-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; text-decoration: underline; text-decoration-style: dashed; text-underline-offset: 3px; }
.tcard-author-name:hover { color: var(--brand); }
.tcard-author-name:focus-visible { outline: 2px solid var(--hint); outline-offset: 2px; }
.tcard-go { flex-shrink: 0; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; color: var(--brand); }
.tcard:hover .tcard-go { color: var(--fg-primary); }
.tcard:focus-visible { outline: 2px solid var(--hint); outline-offset: 3px; }

/* Taxonomy and author cards */
.tcard--tax .tcard-title { font-size: 18px; }
.tcard-person { display: flex; align-items: center; gap: 14px; }
.tcard-person img { width: 44px; height: 44px; flex-shrink: 0; object-fit: cover; border: 1px dashed var(--brand-line-strong); }

/* ── Featured skill (library home): console frame ─────────────────────────── */
.lib-feature { margin-top: 40px; }
.lib-feature-body { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; padding: 32px; background: var(--bg-terminal); }
.lib-feature-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.lib-feature-title { font: 800 30px/1.1 var(--font-mono); letter-spacing: -.4px; color: var(--fg-primary); text-wrap: pretty; }
.lib-feature-title:hover { color: var(--brand); }
.lib-feature-desc { margin: 0; max-width: 70ch; font: 400 14px/22px var(--font-mono); color: var(--fg-secondary); }
.lib-feature-side { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }

.lib-byline { display: flex; align-items: center; gap: 12px; font: 700 13px/1.3 var(--font-mono); }
.lib-byline img { width: 40px; height: 40px; object-fit: cover; border: 1px dashed var(--brand-line-strong); }
.lib-byline > span { display: flex; flex-direction: column; gap: 4px; }
.lib-byline-label { font-size: 10px; letter-spacing: 1px; text-transform: uppercase; color: var(--fg-muted); }
.lib-seen-on { display: block; width: 100%; max-width: 220px; height: auto; }
.lib-seen-on[hidden] { display: none; }

/* ── Outcome sections (library home) ──────────────────────────────────────── */
.lib-outcome .lib-grid { margin-top: 28px; }
.lib-outcome-h { font-size: 30px; }
.lib-outcome-h a { color: inherit; }
.lib-outcome-h a:hover { color: var(--brand); }

/* ── All skills: filters + results ─────────────────────────────────────────── */
.lib-browse { display: grid; grid-template-columns: 240px minmax(0,1fr); gap: 28px; align-items: start; }
.lib-filters { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 12px; }

.lib-search {
  display: flex; align-items: center; gap: 10px; padding: 0 12px; height: 42px;
  border: 1px solid var(--brand-line); background: var(--bg-base);
  transition: border-color 60ms steps(1);
}
.lib-search:focus-within { border-color: var(--brand); }
.lib-search-prompt { font: 700 13px/1 var(--font-mono); color: var(--brand); }
.lib-search-input {
  flex: 1; min-width: 0; padding: 0; border: 0; background: none; outline: none;
  font: 400 13px/1 var(--font-mono); color: var(--fg-primary);
}
.lib-search-input::placeholder { color: var(--fg-muted); }
.lib-search-input::-webkit-search-cancel-button { filter: grayscale(1); }

.lib-filter { border: 1px dashed var(--brand-line); background: var(--bg-elevated); }
.lib-filter > summary {
  display: flex; align-items: center; justify-content: space-between; padding: 13px 14px;
  list-style: none; cursor: pointer; user-select: none;
  font: 700 11px/1 var(--font-mono); letter-spacing: 1.2px; text-transform: uppercase; color: var(--hint);
}
.lib-filter > summary::-webkit-details-marker { display: none; }
.lib-filter > summary::after { content: "+"; font: 400 16px/1 var(--font-mono); color: var(--brand); }
.lib-filter[open] > summary::after { content: "\2212"; }
.lib-filter > summary:focus-visible { outline: 2px solid var(--hint); outline-offset: -2px; }
.lib-filter-items { display: flex; flex-direction: column; gap: 2px; padding: 0 8px 10px; }
.lib-filter-item {
  position: relative; display: flex; align-items: center; gap: 10px; padding: 7px 6px; cursor: pointer;
  font: 400 12px/1.3 var(--font-mono); color: var(--fg-secondary);
}
.lib-filter-item:hover { color: var(--fg-primary); background: rgba(244,128,93,.06); }
.lib-filter-item input { position: absolute; opacity: 0; width: 14px; height: 14px; margin: 0; }
.lib-check { position: relative; flex-shrink: 0; width: 14px; height: 14px; }
.lib-check::before {
  content: ""; position: absolute; inset: 0; background: var(--brand);
  -webkit-mask: url('/assets/icons/checkbox.svg') center/contain no-repeat;
  mask: url('/assets/icons/checkbox.svg') center/contain no-repeat;
}
.lib-filter-item input:checked + .lib-check::before { -webkit-mask-image: url('/assets/icons/checkbox-on.svg'); mask-image: url('/assets/icons/checkbox-on.svg'); }
.lib-filter-item input:focus-visible + .lib-check { outline: 2px solid var(--hint); outline-offset: 2px; }
.lib-filter-item input:checked ~ .lib-filter-label { color: var(--fg-primary); }
.lib-filter-label { flex: 1; min-width: 0; }
.lib-filter-count { font-size: 11px; color: var(--fg-muted); }

.lib-sort-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.lib-count { margin: 0; font: 400 12px/1 var(--font-mono); color: var(--fg-muted); }
.lib-count span { font-weight: 700; color: var(--fg-primary); }
.lib-sort { display: flex; align-items: center; gap: 4px; font: 400 12px/1 var(--font-mono); color: var(--fg-muted); }
.sort-btn {
  padding: 6px 9px; border: 1px solid transparent; background: none; cursor: pointer;
  font: 400 12px/1 var(--font-mono); color: var(--fg-secondary);
  transition: color 60ms steps(1), border-color 60ms steps(1);
}
.sort-btn:hover { color: var(--brand); }
.sort-btn.active { border-color: var(--brand-stroke); color: var(--brand); }

.lib-empty { padding: 56px 20px; text-align: center; border: 1px dashed var(--brand-line); font: 400 13px/1.6 var(--font-mono); color: var(--fg-muted); }
.lib-empty p { margin: 0; }
.lib-empty-title { margin-bottom: 6px !important; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--fg-primary); }

/* ── Author profile ────────────────────────────────────────────────────────── */
.lib-profile-person { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 32px; align-items: start; }
.lib-profile-avatar { width: 112px; height: 112px; object-fit: cover; border: 1px dashed var(--brand); }
.lib-profile-info { display: flex; flex-direction: column; gap: 16px; }
.lib-profile-name { max-width: none; font-size: clamp(28px,3.6vw,44px); letter-spacing: -1px; }
.lib-profile-info .page-sub { max-width: 72ch; }
.lib-profile-person .lib-seen-on { width: 180px; }
.doc-meta a { color: var(--brand); }

/* ── Skill page ────────────────────────────────────────────────────────────── */
.lib-skill-head { gap: 18px; }
.lib-skill-desc { max-width: 80ch; }
.lib-skill { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 48px; align-items: start; padding: 36px 0 24px; }
.lib-skill-main { display: flex; flex-direction: column; gap: 36px; min-width: 0; }
.lib-skill-block > .eyebrow { margin-bottom: 16px; }
.lib-skill-prose { padding: 0; }
.lib-skill-prose > :first-child { margin-top: 0; padding-top: 0; border-top: none; }
.lib-skill-prose code { padding: 1px 5px; background: rgba(52,211,153,.08); color: var(--success); }
.lib-skill-prose pre code { padding: 0; background: none; color: inherit; }

.lib-prompts { display: flex; flex-direction: column; margin: 0; padding: 0; list-style: none; border-top: 1px dashed var(--brand-line); }
.lib-prompt { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 14px 2px; border-bottom: 1px dashed var(--brand-line); }
.lib-prompt code { font: 400 13px/1.6 var(--font-mono); color: var(--fg-primary); }
.lib-prompt code::before { content: "> "; color: var(--brand); }
.lib-prompt-copy {
  flex-shrink: 0; padding: 5px 9px; border: 1px solid var(--brand-line-strong); background: none; cursor: pointer;
  font: 700 10px/1 var(--font-mono); letter-spacing: .8px; text-transform: uppercase; color: var(--brand);
  transition: background 60ms steps(1), color 60ms steps(1);
}
.lib-prompt-copy:hover { background: var(--brand-bg); }
.lib-prompt-copy.copied { border-color: var(--success); color: var(--success); }

.video-embed { position: relative; width: 100%; padding-bottom: 56.25%; margin: 22px 0; border: 1px dashed var(--brand-line-strong); background: var(--bg-elevated); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

/* Sidebar */
.lib-skill-side { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 20px; }

.lib-callout {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 16px 18px;
  border: 1px dashed var(--brand); background: var(--bg-terminal);
}
.lib-callout[hidden] { display: none; }
.lib-callout-text { margin: 0; font: 400 12px/1.6 var(--font-mono); color: var(--fg-secondary); }
.lib-callout-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 12px; }
.lib-callout-actions a { font: 700 12px/1.3 var(--font-mono); color: var(--brand); }
.lib-callout-actions a:hover { color: var(--fg-primary); }
.lib-callout-dismiss {
  padding: 0; border: none; background: none; cursor: pointer;
  font: 400 11px/1 var(--font-mono); color: var(--fg-muted); text-decoration: underline; text-decoration-style: dashed; text-underline-offset: 3px;
}
.lib-callout-dismiss:hover { color: var(--fg-secondary); }
.lib-callout--link { color: inherit; transition: background 60ms steps(1); }
.lib-callout--link:hover { background: var(--brand-bg); color: inherit; }
.lib-callout-go { font: 700 13px/1.3 var(--font-mono); color: var(--brand); }

.lib-howto { display: flex; flex-direction: column; gap: 8px; }
.lib-howto > .eyebrow { margin-bottom: 4px; }
.lib-howto-item { border: 1px dashed var(--brand-line); background: var(--bg-elevated); }
.lib-howto-item > summary {
  display: flex; align-items: center; justify-content: space-between; padding: 12px 14px;
  list-style: none; cursor: pointer; user-select: none;
  font: 700 12px/1 var(--font-mono); letter-spacing: .8px; text-transform: uppercase; color: var(--fg-primary);
  transition: color 60ms steps(1);
}
.lib-howto-item > summary::-webkit-details-marker { display: none; }
.lib-howto-item > summary::after { content: "+"; font: 400 16px/1 var(--font-mono); color: var(--brand); }
.lib-howto-item > summary:hover { color: var(--brand); }
.lib-howto-item > summary:focus-visible { outline: 2px solid var(--hint); outline-offset: -2px; }
.lib-howto-item[open] { border-color: var(--brand-line-strong); }
.lib-howto-item[open] > summary { color: var(--brand); }
.lib-howto-item[open] > summary::after { content: "\2212"; color: var(--hint); }

.lib-steps { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 4px 14px 16px; list-style: none; counter-reset: lib-step; }
.lib-steps li { position: relative; padding-left: 34px; counter-increment: lib-step; font: 400 12px/1.6 var(--font-mono); color: var(--fg-secondary); }
.lib-steps li::before { content: counter(lib-step, decimal-leading-zero) " /"; position: absolute; left: 0; top: 0; font-weight: 700; color: var(--hint); }
.lib-steps strong, .lib-howto-note strong { font-weight: 700; color: var(--fg-primary); }
.lib-howto-note { margin: 0 14px; padding: 12px 0 14px; border-top: 1px dashed var(--divider-dim); font: 400 11px/1.6 var(--font-mono); color: var(--fg-muted); }

.lib-actions { display: flex; flex-direction: column; gap: 8px; }
.lib-btn-full { justify-content: center; width: 100%; }
.btn-lg.ghost.copied { border-color: var(--success); color: var(--success); }
.btn-icon--download { --icon: url('/library/assets/icons/download.svg'); }
.btn-icon--share { --icon: url('/library/assets/icons/share.svg'); }

.lib-meta .ff-row { grid-template-columns: 90px 1fr; padding: 12px 0; font-size: 12px; }
.lib-meta-author { align-items: center; }
.lib-meta-author dd { display: flex; align-items: center; gap: 12px; }
.lib-meta-author img { width: 40px; height: 40px; object-fit: cover; border: 1px dashed var(--brand-line-strong); }
.lib-meta-author dd > span { display: flex; flex-direction: column; gap: 6px; }
.lib-meta-author a { font-weight: 700; color: var(--brand); }
.lib-meta-author a:hover { color: var(--fg-primary); }
.lib-meta-sub { font-size: 11px; font-weight: 400 !important; color: var(--fg-muted) !important; text-decoration: underline; text-decoration-style: dashed; text-underline-offset: 3px; }
.lib-meta-sub:hover { color: var(--fg-secondary) !important; }

/* Email gate: the shared .ctm modal, opened by the download button */
.ctm-desc strong { color: var(--fg-primary); }
.ctm-submit .btn-icon { color: inherit; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width:1180px) {
  .lib-grid--tax { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .lib-browse .lib-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width:1040px) {
  .lib-grid, .lib-grid--tax { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .lib-browse { grid-template-columns: minmax(0,1fr); }
  .lib-filters { position: static; }
  .lib-seen-on { max-width: 200px; }
  .lib-feature-body { grid-template-columns: 1fr; }
  .lib-skill { grid-template-columns: minmax(0,1fr); gap: 40px; }
  .lib-skill-side { position: static; }
  .lib-profile-person { grid-template-columns: auto minmax(0,1fr); }
  .lib-profile-person > a:last-child { grid-column: 2; }
}
@media (max-width:640px) {
  .lib-grid, .lib-grid--2, .lib-grid--tax { grid-template-columns: 1fr; }
  .lib-nav-inner { flex-direction: column; align-items: flex-start; }
  .lib-stats { gap: 28px; }
  .lib-stats dd { font-size: 26px; }
  .lib-feature-body { padding: 24px 20px; }
  .lib-feature-title { font-size: 22px; }
  .lib-outcome-h { font-size: 24px; }
  .lib-profile-person { grid-template-columns: 1fr; gap: 20px; }
  .lib-profile-person > a:last-child { grid-column: auto; }
  .lib-profile-avatar { width: 80px; height: 80px; }
}