/* OWN Charts — Learning Library page.
   Layers onto the dashboard shell + studio.css (reuses .studio-wrap,
   .psys-nav, .pt, .edu-rail). Calm, editorial, ocean-accented. */

.edu-nav-note {
  margin-left: auto; align-self: center;
  font-family: var(--font-sans); font-size: 11.5px; color: var(--ink-mute);
}
.edu-nav-note a { color: var(--ocean); }

/* ---- Jump cards: four prominent, described entry points ------ */
.edu-jump {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin: 4px 0 0;
}
@media (max-width: 1080px) { .edu-jump { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .edu-jump { grid-template-columns: 1fr; } }
.edu-jump-card {
  position: relative; display: flex; flex-direction: column; gap: 7px;
  padding: 18px 18px 18px; text-decoration: none; text-align: left;
  width: 100%; box-sizing: border-box; cursor: pointer; font: inherit; appearance: none;
  background: var(--paper, #fff); border: 1px solid var(--line); border-radius: 18px;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease, background 160ms ease;
}
.edu-jump-card:hover {
  border-color: var(--ocean); transform: translateY(-2px);
  box-shadow: 0 12px 30px -16px rgba(14, 58, 62, 0.4);
}
.edu-jump-card.active {
  border-color: var(--ocean);
  background: linear-gradient(180deg, rgba(14, 58, 62, 0.06), rgba(14, 58, 62, 0.015));
  box-shadow: 0 14px 34px -20px rgba(14, 58, 62, 0.5);
}
.edu-jump-num {
  font-family: var(--font-sans); font-weight: 600; font-size: 10.5px;
  letter-spacing: 0.16em; color: var(--ocean); font-variant-numeric: tabular-nums;
}
.edu-jump-l {
  font-family: var(--font-serif); font-weight: 400; font-size: 20px;
  letter-spacing: -0.015em; color: var(--ink); line-height: 1.1;
}
.edu-jump-d {
  font-family: var(--font-sans); font-size: 12.5px; line-height: 1.5;
  color: var(--ink-soft); text-wrap: pretty;
}
.edu-jump-meta {
  margin-top: auto; padding-top: 12px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  letter-spacing: 0.03em; color: var(--ink-mute); font-variant-numeric: tabular-nums;
}
.edu-jump-arr {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 6px;
  font-family: var(--font-sans); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ocean);
  opacity: 0.72; transition: opacity 160ms ease;
}
.edu-jump-arr svg { transition: transform 200ms ease; }
.edu-jump-card:hover .edu-jump-arr { opacity: 1; }
.edu-jump-card.active .edu-jump-arr { opacity: 1; }
.edu-jump-card.active .edu-jump-arr svg { transform: rotate(180deg); }
.edu-jump-lead {
  font-family: var(--font-sans); font-size: 13px; line-height: 1.55;
  color: var(--ink-soft); margin: 2px 0 14px; text-wrap: pretty;
}
.edu-jump-hint {
  font-family: var(--font-sans); font-size: 13px; line-height: 1.6;
  color: var(--ink-mute); margin: 26px 0 10px; padding: 26px 24px;
  border: 1px dashed var(--line-strong, rgba(10, 10, 10, 0.16)); border-radius: 18px;
  text-align: center; text-wrap: pretty;
}
.edu-jump-note {
  display: flex; align-items: center; gap: 4px; margin: 12px 0 2px;
  font-family: var(--font-sans); font-size: 11.5px; color: var(--ink-mute);
}
.edu-jump-note a { color: var(--ocean); }

/* ---- Section header: title left, lede right ------------------
   Default (narrow): title then lede stacked, lede on a comfortable
   measure. Wide: a two-column editorial split so the lede flows
   across the page beside the title instead of bunching on the left. */
.ehead { display: block; }
.ehead .pt-l, .ehead-r { min-width: 0; }
/* Title and lede both run the full width of the content column — they only
   wrap at the right edge, never returning to the left on a short measure. */
.ehead .body { max-width: none; margin-top: 14px; text-wrap: pretty; }
.ehead .pt-r { text-align: left; }
@media (min-width: 1180px) {
  /* Meta tucks top-right beside the title; title and lede each span the full
     width beneath/beside it rather than being boxed into a half-page column. */
  .ehead {
    display: grid; align-items: end; gap: 6px 48px;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title meta"
      "body  body";
  }
  .ehead .pt-l { grid-area: title; }
  .ehead-r { display: contents; }
  .ehead .pt-r { grid-area: meta; align-self: end; text-align: right; }
  .ehead .body { grid-area: body; margin-top: 14px; max-width: none; }
}

/* ---- Principles strip --------------------------------------- */
.edu-principles {
  display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr);
  margin-top: 22px;
}
@media (max-width: 900px) { .edu-principles { grid-template-columns: 1fr; } }
.edu-principle {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px 22px;
}
.edu-pnum { font-family: var(--font-sans); font-weight: 600; font-size: 11px; letter-spacing: 0.16em; color: var(--ocean); padding-top: 2px; }
.edu-principle h4 { font-family: var(--font-serif); font-weight: 400; font-size: 19px; letter-spacing: -0.015em; color: var(--ink); margin: 0 0 5px; }
.edu-principle p { font-family: var(--font-sans); font-size: 12.5px; line-height: 1.5; color: var(--ink-soft); margin: 0; }

/* Shared small section-label used across blocks. */
.ln-block-h {
  display: block; font-family: var(--font-sans); font-weight: 600; font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 11px;
}

/* ---- What to learn now (dark feature block) ----------------- */
.learn-now {
  display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 0;
  background: var(--obsidian); color: var(--paper-light);
  border: 1px solid var(--line-dark); border-radius: 26px; overflow: hidden;
}
@media (max-width: 940px) { .learn-now { grid-template-columns: 1fr; } }
.ln-id { padding: 26px 28px; border-right: 1px solid var(--line-dark); display: flex; flex-direction: column; gap: 18px; }
@media (max-width: 940px) { .ln-id { border-right: 0; border-bottom: 1px solid var(--line-dark); } }
.ln-id-top { display: flex; flex-direction: column; gap: 3px; }
.ln-name { font-family: var(--font-serif); font-weight: 400; font-size: 27px; letter-spacing: -0.02em; line-height: 1.02; color: var(--ivory); }
.ln-tag { font-family: var(--font-sans); font-size: 12.5px; color: var(--paper-mute); }
.ln-arch { display: flex; align-items: baseline; gap: 9px; }
.ln-arch-job { font-family: var(--font-sans); font-weight: 600; font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sea); }
.ln-arch-name { font-family: var(--font-sans); font-weight: 500; font-size: 14px; color: var(--paper-light); }
.ln-stage { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.ln-stage-l { font-family: var(--font-sans); font-weight: 500; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--paper-mute); }
.ln-stage-v {
  font-family: var(--font-sans); font-weight: 500; font-size: 13px; color: var(--ivory);
  text-decoration: none; border-bottom: 1px solid rgba(134,199,192,0.5); padding-bottom: 1px;
}
.ln-stage-v:hover { border-color: var(--sea); text-decoration: none; }
.ln-block-h { color: inherit; }
.learn-now .ln-block-h { color: var(--paper-mute); }

/* Dark edu bars */
.edu-rail.on-dark .edu-lbl { color: var(--paper-soft); }
.edu-rail.on-dark .edu-track { background: rgba(244,244,241,0.12); }
.edu-rail.on-dark .edu-fill { background: var(--sea); }
.edu-rail.on-dark .edu-val { color: var(--ivory); }

.ln-queue-wrap { padding: 26px 28px; display: flex; flex-direction: column; gap: 18px; }
.ln-queue { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ln-queue li { display: flex; align-items: baseline; gap: 13px; font-family: var(--font-sans); font-size: 14.5px; line-height: 1.45; color: var(--paper-light); }
.ln-qn { font-family: var(--font-sans); font-weight: 600; font-size: 11px; color: var(--sea); font-variant-numeric: tabular-nums; min-width: 18px; }
.ln-prio { padding-top: 16px; border-top: 1px solid var(--line-dark); }
.ln-prio-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ln-prio-i {
  font-family: var(--font-sans); font-weight: 500; font-size: 11.5px; color: var(--paper-light);
  background: rgba(244,244,241,0.07); border: 1px solid var(--line-dark); border-radius: 999px; padding: 5px 11px;
}
.ln-foot { font-family: var(--font-sans); font-size: 12.5px; color: var(--paper-mute); margin: 0; }
.ln-foot a { color: var(--sea); }

/* ---- Stage spine -------------------------------------------- */
.stage-spine { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
@media (max-width: 1180px) { .stage-spine { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 720px) { .stage-spine { grid-template-columns: repeat(2, 1fr); } }
.stage-card {
  position: relative; text-align: left; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 15px 15px 16px; display: flex; flex-direction: column; gap: 4px;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.stage-card:hover { border-color: var(--line-strong); box-shadow: 0 4px 12px rgba(20,18,15,0.07); }
.stage-card.active { border-color: var(--ocean); box-shadow: 0 8px 24px rgba(14,58,62,0.10); }
.stage-n { font-family: var(--font-sans); font-weight: 600; font-size: 10px; letter-spacing: 0.12em; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.stage-job { font-family: var(--font-sans); font-weight: 600; font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ocean); }
.stage-label { font-family: var(--font-serif); font-weight: 400; font-size: 16.5px; letter-spacing: -0.015em; line-height: 1.1; color: var(--ink); }
.stage-age { font-family: var(--font-sans); font-size: 11px; color: var(--ink-mute); }
.stage-you {
  margin-top: 6px; align-self: flex-start;
  font-family: var(--font-sans); font-weight: 600; font-size: 8.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: #245B4B; background: rgba(36,91,75,0.12); border-radius: 999px; padding: 3px 8px;
}

.stage-detail {
  display: grid; grid-template-columns: 1.35fr 0.85fr; gap: 20px; margin-top: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 26px 28px;
}
@media (max-width: 1080px) { .stage-detail { grid-template-columns: 1fr; } }
.sd-head { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.sd-job { font-family: var(--font-sans); font-weight: 600; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ocean); }
.sd-head h3 { font-family: var(--font-serif); font-weight: 400; font-size: 30px; letter-spacing: -0.02em; line-height: 1.02; color: var(--ink); margin: 0; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sd-age { font-family: var(--font-sans); font-weight: 400; font-size: 13px; letter-spacing: 0; color: var(--ink-mute); }
.sd-focus { font-family: var(--font-sans); font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 20px; max-width: none; }
.sd-lessons { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 11px; }
.sd-lessons li { display: flex; align-items: baseline; gap: 13px; font-family: var(--font-sans); font-size: 14px; line-height: 1.45; color: var(--ink); }
.sd-ln { font-family: var(--font-sans); font-weight: 600; font-size: 11px; color: var(--ocean); font-variant-numeric: tabular-nums; min-width: 18px; }
.sd-side { display: flex; flex-direction: column; gap: 22px; padding-left: 24px; border-left: 1px solid var(--line); }
@media (max-width: 1080px) { .sd-side { padding-left: 0; border-left: 0; padding-top: 20px; border-top: 1px solid var(--line); } }
.sd-archs { display: flex; flex-direction: column; gap: 8px; }
.sd-arch { display: flex; flex-direction: column; gap: 1px; background: var(--bone); border: 1px solid var(--line); border-radius: 14px; padding: 10px 13px; }
.sd-arch-job { font-family: var(--font-sans); font-weight: 600; font-size: 8.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ocean); }
.sd-arch-name { font-family: var(--font-sans); font-weight: 500; font-size: 13.5px; color: var(--ink); }

/* ---- Go-deeper hub tabs ------------------------------------- */
.deep-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 22px; }
@media (max-width: 860px) { .deep-tabs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .deep-tabs { grid-template-columns: 1fr; } }
.deep-tab {
  text-align: left; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 15px 18px;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.deep-tab:hover { border-color: var(--line-strong); box-shadow: 0 4px 12px rgba(20,18,15,0.07); }
.deep-tab.active { border-color: var(--ocean); box-shadow: 0 8px 24px rgba(14,58,62,0.10); }
.deep-tab-l { display: block; font-family: var(--font-serif); font-size: 19px; letter-spacing: -0.015em; color: var(--ink); }
.deep-tab-s { display: block; font-family: var(--font-sans); font-size: 11.5px; line-height: 1.4; color: var(--ink-mute); margin-top: 2px; }

/* ---- Teaching tracks ---------------------------------------- */
.track-tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
@media (max-width: 1080px) { .track-tabs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .track-tabs { grid-template-columns: 1fr; } }
.track-tab {
  text-align: left; cursor: pointer;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 15px 16px;
  display: flex; flex-direction: column; gap: 5px;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}
.track-tab:hover { border-color: var(--line-strong); box-shadow: 0 4px 12px rgba(20,18,15,0.07); }
.track-tab.active { border-color: var(--ocean); box-shadow: 0 8px 24px rgba(14,58,62,0.10); }
.track-tab-l { font-family: var(--font-serif); font-weight: 400; font-size: 19px; letter-spacing: -0.015em; color: var(--ink); }
.track-tab-s { font-family: var(--font-sans); font-size: 11.5px; line-height: 1.4; color: var(--ink-mute); }

.track-detail {
  display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 20px; margin-top: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 26px 28px;
}
@media (max-width: 1080px) { .track-detail { grid-template-columns: 1fr; } }
.td-intro { font-family: var(--font-sans); font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); margin: 0 0 20px; max-width: none; }
.td-cats { display: flex; flex-direction: column; }
.td-cat { padding: 14px 0; border-top: 1px solid var(--line); }
.td-cat:first-child { border-top: 0; padding-top: 0; }
.td-cat-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.td-cat-name { font-family: var(--font-serif); font-weight: 400; font-size: 18px; letter-spacing: -0.01em; color: var(--ink); }
.td-cat-one { font-family: var(--font-sans); font-weight: 500; font-size: 11.5px; letter-spacing: 0.02em; color: var(--ocean); }
.td-cat-detail { font-family: var(--font-sans); font-size: 13.5px; line-height: 1.5; color: var(--ink-soft); margin: 0; }

.td-side { padding-left: 24px; border-left: 1px solid var(--line); display: flex; flex-direction: column; }
@media (max-width: 1080px) { .td-side { padding-left: 0; border-left: 0; padding-top: 20px; border-top: 1px solid var(--line); } }
.td-bystage { display: flex; flex-direction: column; gap: 7px; }
.td-bs-row {
  display: grid; grid-template-columns: 96px 1fr 24px; align-items: center; gap: 10px;
  background: transparent; border: 0; cursor: pointer; padding: 4px 6px; border-radius: 10px;
  transition: background 130ms ease;
}
.td-bs-row:hover { background: var(--bone); }
.td-bs-row.on { background: var(--ocean-mute); }
.td-bs-lbl { font-family: var(--font-sans); font-size: 11.5px; color: var(--ink-soft); text-align: left; line-height: 1.2; }
.td-bs-row.on .td-bs-lbl { color: var(--ocean); font-weight: 500; }
.td-bs-track { height: 6px; border-radius: 999px; background: rgba(10,10,10,0.08); overflow: hidden; }
.td-bs-fill { display: block; height: 100%; border-radius: 999px; background: var(--ocean); transition: width var(--reveal-rise, 900ms) var(--reveal-ease, cubic-bezier(.16,1,.3,1)); }
.td-bs-val { font-family: var(--font-sans); font-weight: 600; font-size: 11px; color: var(--ink); font-variant-numeric: tabular-nums; text-align: right; }
.td-side-foot { font-family: var(--font-sans); font-size: 11.5px; line-height: 1.5; color: var(--ink-mute); margin: 16px 0 0; }

/* ---- Glossary ------------------------------------------------ */
.gl { margin-top: 2px; }
.gl-bar { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.gl-search { flex: 1; display: flex; align-items: center; gap: 9px; padding: 10px 14px; background: var(--paper, #fff); border: 1px solid var(--line); border-radius: 12px; color: var(--ink-mute); }
.gl-search:focus-within { border-color: var(--ocean); }
.gl-search svg { flex-shrink: 0; color: var(--ink-mute); }
.gl-search input { flex: 1; border: none; outline: none; background: transparent; font-family: var(--font-sans); font-size: 14px; color: var(--ink); }
.gl-clear { border: none; background: transparent; cursor: pointer; font-size: 18px; line-height: 1; color: var(--ink-mute); padding: 0 2px; }
.gl-count { flex-shrink: 0; font-family: var(--font-sans); font-size: 12px; color: var(--ink-mute); font-variant-numeric: tabular-nums; }

.gl-az { display: flex; flex-wrap: wrap; gap: 4px; padding: 11px 13px; background: var(--paper, #fff); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 22px; }
.gl-az a, .gl-az span { font-family: var(--font-sans); font-weight: 600; font-size: 12px; width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; }
.gl-az a { color: var(--ocean); text-decoration: none; transition: background 120ms; }
.gl-az a:hover { background: rgba(14,58,62,0.08); }
.gl-az span.off { color: var(--ink-faint); }

.gl-empty { font-family: var(--font-sans); font-size: 14px; color: var(--ink-mute); padding: 20px 2px; }
.gl-group { margin-bottom: 16px; scroll-margin-top: 20px; }
.gl-letter { font-family: var(--font-serif); font-size: 22px; color: var(--ocean); margin: 0 0 8px; }
.gl-list { display: grid; gap: 9px; }
.gl-term { display: grid; grid-template-columns: 200px 1fr; gap: 22px; padding: 15px 18px; background: var(--paper, #fff); border: 1px solid var(--line); border-radius: 14px; scroll-margin-top: 20px; }
@media (max-width: 620px) { .gl-term { grid-template-columns: 1fr; gap: 6px; } }
.gl-term-l { display: flex; flex-direction: column; gap: 3px; }
.gl-t { font-family: var(--font-serif); font-size: 16.5px; letter-spacing: -0.01em; color: var(--ink); }
.gl-aka { font-family: var(--font-sans); font-size: 11px; color: var(--ink-faint); }
.gl-d { font-family: var(--font-sans); font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); text-wrap: pretty; }
.gl-d b { color: var(--ink); font-weight: 500; }
.gl-d .gl-xref {
  color: var(--ink); font-weight: 500; text-decoration: none; cursor: pointer;
  background-image: linear-gradient(var(--ocean), var(--ocean));
  background-repeat: no-repeat; background-position: 0 100%; background-size: 100% 1px;
  transition: background-size 140ms ease, color 140ms ease;
}
.gl-d .gl-xref:hover { color: var(--ocean); background-size: 100% 1.5px; }
.gl-term.gl-target { animation: gl-flash 1.6s ease; }
@keyframes gl-flash {
  0%, 18% { border-color: var(--ocean); box-shadow: 0 6px 20px rgba(14,58,62,0.12); }
  100% { border-color: var(--line); box-shadow: none; }
}