/* ─────────────────────────────────────────────────────────────
 *  Nous — Editor chrome mockups (Obsidian · Typora · Blog)
 *
 *  Spacing uses --s-* tokens wherever a token matches exactly.
 *  Values that are editor-chrome geometry (file-tree width,
 *  backlink panel, title-bar height, etc.) are hoisted to local
 *  custom properties at the top of this file — one place to tweak.
 * ───────────────────────────────────────────────────────────── */

:where(.editor) {
  /* Editor-chrome dimensions — local to this file.
     These do not belong in tokens.css because they are not
     design-system primitives; they are the specific sizes of
     simulated desktop applications. */
  --editor-titlebar-h:   34px;
  --editor-rail-w:       48px;
  --editor-sidebar-w:    220px;
  --editor-rightpane-w:  240px;
  --editor-min-h:        620px;
  --editor-dot-size:     10px;

  --typora-pane-measure: 640px;
  --typora-status-h:     28px;

  --blog-article-measure: 760px;
}

.editor {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--nous-rule);
  background: var(--nous-paper);
  box-shadow:
    0 1px 0 rgba(0,0,0,0.02),
    0 24px 48px -24px rgba(30,25,15,0.18);
}
[data-mode="dark"] .editor {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.02),
    0 24px 48px -24px rgba(0,0,0,0.6);
}

.editor__titlebar {
  height: var(--editor-titlebar-h);
  background: color-mix(in oklab, var(--nous-paper) 80%, var(--nous-ink) 5%);
  border-bottom: 1px solid var(--nous-rule);
  display: flex;
  align-items: center;
  padding: 0 var(--s-3);
  gap: var(--s-3);
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nous-ink-3);
}
.editor__dots { display: flex; gap: 6px; }
.editor__dots i {
  display: block;
  width: var(--editor-dot-size);
  height: var(--editor-dot-size);
  border-radius: 50%;
  background: var(--nous-rule);
}
.editor__dots i:nth-child(1) { background: #d47361; }
.editor__dots i:nth-child(2) { background: #d9b86a; }
.editor__dots i:nth-child(3) { background: #8fa877; }
.editor__app {
  margin-left: auto;
  font-family: var(--ff-sc);
  letter-spacing: 0.3em;
}


/* ══ Obsidian ═════════════════════════════════════════════ */

.obsidian {
  display: grid;
  grid-template-columns:
    var(--editor-rail-w)
    var(--editor-sidebar-w)
    1fr
    var(--editor-rightpane-w);
  min-height: var(--editor-min-h);
}

.obsidian__rail {
  background: color-mix(in oklab, var(--nous-paper) 75%, var(--nous-ink) 8%);
  border-right: 1px solid var(--nous-rule);
  padding: var(--s-3) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
}
.obsidian__rail .ri {
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  color: var(--nous-ink-3);
  font-family: var(--ff-sc);
  font-size: 11px;
}
.obsidian__rail .ri.active { color: var(--nous-terracotta); }

.obsidian__side {
  background: color-mix(in oklab, var(--nous-paper) 90%, var(--nous-ink) 3%);
  border-right: 1px solid var(--nous-rule);
  padding: var(--s-3);
  font-family: var(--ff-serif);
  font-size: 13px;
  overflow: hidden;
}
.obsidian__side h4 {
  font-family: var(--ff-sc);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nous-ink-4);
  margin: var(--s-3) 0 6px;
  font-weight: 500;
}
.obsidian__side h4:first-child { margin-top: 0; }
.obsidian__side ul { list-style: none; padding: 0; margin: 0; }
.obsidian__side li {
  padding: 4px var(--s-2);
  color: var(--nous-ink-2);
  border-radius: 3px;
  cursor: default;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.obsidian__side li::before {
  content: "›";
  color: var(--nous-ink-4);
  font-size: 11px;
}
.obsidian__side li.active {
  background: color-mix(in oklab, var(--nous-terracotta) 14%, transparent);
  color: var(--nous-terracotta);
}
.obsidian__side li.active::before { color: var(--nous-terracotta); }
.obsidian__side li.nest {
  padding-left: 18px;
  font-size: 12px;
  color: var(--nous-ink-3);
}

.obsidian__pane {
  padding: var(--s-7) var(--s-7) var(--s-8);
  overflow: auto;
  background: var(--nous-paper);
}
.obsidian__pane .md {
  margin: 0 auto;
  max-width: var(--measure);
}

.obsidian__right {
  background: color-mix(in oklab, var(--nous-paper) 90%, var(--nous-ink) 3%);
  border-left: 1px solid var(--nous-rule);
  padding: var(--s-4);
  font-size: 12px;
  overflow: hidden;
}
.obsidian__right h4 {
  font-family: var(--ff-sc);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nous-ink-4);
  margin: var(--s-4) 0 var(--s-2);
  font-weight: 500;
}
.obsidian__right h4:first-child { margin-top: 0; }
.obsidian__right .backlink {
  padding: var(--s-2) var(--s-3);
  border-left: 2px solid var(--nous-rule);
  margin-bottom: var(--s-2);
  color: var(--nous-ink-2);
  font-family: var(--ff-serif);
  font-size: 12px;
  line-height: 1.4;
}
.obsidian__right .backlink b {
  font-weight: 500;
  color: var(--nous-aegean);
  display: block;
  font-size: 11px;
  margin-bottom: 2px;
  font-family: var(--ff-sc);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.obsidian__right .tag-list { display: flex; flex-wrap: wrap; gap: 4px; }
.obsidian__right .tag-list span {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--nous-olive);
  padding: 2px var(--s-2);
  background: color-mix(in oklab, var(--nous-olive) 10%, transparent);
  border-radius: 2px;
}

.graph-mini {
  aspect-ratio: 1;
  border: 1px solid var(--nous-rule);
  border-radius: 3px;
  background: var(--nous-paper);
  position: relative;
  overflow: hidden;
}


/* ══ Typora ═══════════════════════════════════════════════ */

.typora {
  min-height: 580px;
  display: flex;
  flex-direction: column;
}
.typora__pane {
  flex: 1;
  padding: var(--s-7) 0 var(--s-8);
  background: var(--nous-paper);
  overflow: auto;
}
.typora__pane .md {
  max-width: var(--typora-pane-measure);
  margin: 0 auto;
  padding: 0 var(--s-7);
}
.typora__status {
  height: var(--typora-status-h);
  border-top: 1px solid var(--nous-rule);
  background: color-mix(in oklab, var(--nous-paper) 85%, var(--nous-ink) 4%);
  display: flex;
  align-items: center;
  padding: 0 var(--s-3);
  gap: var(--s-4);
  font-family: var(--ff-sc);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nous-ink-4);
}
.typora__status .spacer { flex: 1; }


/* ══ Blog ═════════════════════════════════════════════════ */

.blog {
  min-height: 640px;
  background: var(--nous-paper);
}
.blog__nav {
  padding: var(--s-5) var(--s-8);
  border-bottom: 1px solid var(--nous-rule-soft);
  display: flex;
  align-items: baseline;
  gap: var(--s-6);
}
.blog__nav .brand {
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.01em;
}
.blog__nav .brand .gr {
  font-family: var(--ff-greek);
  font-style: italic;
  color: var(--nous-terracotta);
}
.blog__nav .links {
  display: flex;
  gap: var(--s-5);
  margin-left: auto;
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nous-ink-3);
}
.blog__article {
  padding: var(--s-8) var(--s-8) var(--s-9);
  max-width: var(--blog-article-measure);
  margin: 0 auto;
}
.blog__meta {
  font-family: var(--ff-sc);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nous-ink-3);
  margin-bottom: var(--s-4);
}
.blog__meta .dot { color: var(--nous-ink-4); margin: 0 var(--s-3); }
.blog__title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: 52px;
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0 0 var(--s-3);
}
.blog__sub {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--nous-ink-2);
  margin: 0 0 var(--s-7);
  font-weight: 300;
}