.site-wrapper {
  max-width: 1080px;
  width: 100%;
}

/* ── Post layout ── */
.post-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, var(--content-max));
  gap: 0;
  padding-top: 3rem;
  align-items: start;
}

.post-layout.no-toc {
  grid-template-columns: minmax(0, var(--content-max));
}

.post-layout.no-toc .toc-sidebar { display: none; }

/* ── Back to blog ── */
.post-back {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  margin-bottom: 1.2rem;
  transition: color 0.15s;
}

.post-back:hover { color: var(--accent); }

/* ── TOC Sidebar ── */
.toc-sidebar {
  position: sticky;
  top: 2.5rem;
  padding-right: 2.5rem;
  padding-bottom: 2rem;
}

.toc-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.toc-list a {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.5;
  display: block;
  padding: 0.15rem 0;
  transition: color 0.15s;
  border-left: 2px solid transparent;
  padding-left: 0.6rem;
  margin-left: -0.6rem;
}

.toc-list a:hover { color: var(--text); }
.toc-list a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

.toc-list .toc-h3 a {
  font-size: 0.72rem;
  padding-left: 1.2rem;
  margin-left: -0.6rem;
}

.post-content {
  
  max-width: var(--content-max);
  padding-bottom: 5rem;
}

.post-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.8rem;
  padding-top: 0rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.post-title-main {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 2.5rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--name-color);
  text-align: right;
}

.post-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
}

.post-byline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.3rem;
}

.post-byline-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
}

.post-tag-inline {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.15em 0.5em;
}

/* ── Body text ── */
.post-body p {
  margin-bottom: 1.2rem;
  font-size: 1rem;
  color: var(--text);
}

.post-body h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--name-color);
  margin: 2.2rem 0 0.8rem;
  line-height: 1.3;
}

.post-body h3 {
  font-family: 'Raleway', sans-serif;
  font-style: normal;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  margin: 1.6rem 0 0.5rem;
}

.post-body strong { color: var(--name-color); }

.post-body em { font-style: italic; }

.post-body blockquote {
  border-left: 2px solid var(--accent);
  margin: 1.5rem 0;
  padding: 0.3rem 0 0.3rem 1.2rem;
  color: var(--text-muted);
  font-family: 'Lora', serif;
  font-style: normal;
  font-size: 0.85rem;
}

.post-body a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border);
  transition: color 0.15s, text-decoration-color 0.15s;
}

.post-body a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

/* ── Footnote references ── */
.fn-ref {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--accent);
  text-decoration: none;
  vertical-align: super;
  line-height: 0;
  cursor: pointer;
  position: relative;
  padding: 0 0.1em;
  transition: color 0.15s;
}

.fn-ref:hover { color: var(--link-hover); text-decoration: none; }

.fn-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--tooltip-bg);
  border: 1px solid var(--tooltip-border);
  border-radius: 4px;
  padding: 0.6rem 0.8rem;
  width: 280px;
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--tooltip-text);
  line-height: 1.55;
  z-index: 50;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.fn-ref:hover .fn-tooltip { display: block; }

.fn-ref:first-of-type .fn-tooltip,
.fn-tooltip.flip-left {
  left: 0;
  transform: none;
}

/* ── Footnotes section ── */
.footnotes-section {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footnotes-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footnotes-label::after {
  content: '';
  display: block;
  height: 1px;
  width: 2rem;
  background: var(--border);
}

.footnotes-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footnote-item {
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.2rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footnote-num {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent);
  padding-top: 0.25rem;
}

.footnote-back {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 0.4rem;
  transition: color 0.15s;
}

.footnote-back:hover { color: var(--accent); }

/* ── Mobile TOC drawer ── */
.toc-mobile-bar {
  display: none; /* overridden to flex in media query */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 1.5rem;
  transition: background 0.25s;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

.toc-mobile-btn {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.35em 0.8em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.15s, border-color 0.15s;
}

.toc-mobile-btn:hover { color: var(--accent); border-color: var(--accent); }

.toc-drawer {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
}

.toc-drawer.open { display: block; }

.toc-drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(2px);
}

.toc-drawer-panel {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  overflow-y: auto;
  animation: drawer-in 0.25s cubic-bezier(.4,0,.2,1) both;
}

@keyframes drawer-in {
  from { transform: translateX(-100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

@keyframes drawer-out {
  from { transform: translateX(0); opacity: 1; }
  to   { transform: translateX(-100%); opacity: 0; }
}

.toc-drawer-panel.closing {
  animation: drawer-out 0.25s cubic-bezier(.4,0,.2,1) both;
}

.toc-drawer-close {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.15s;
}

.toc-drawer-close:hover { color: var(--accent); }

.toc-drawer-panel .toc-label { margin-bottom: 1rem; }

.toc-drawer-panel .toc-list a {
  font-size: 0.9rem;
  padding: 0.3rem 0;
  padding-left: 0.9rem;
  margin-left: -0.9rem;
}

.toc-mobile-back {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.35em 0.8em;
  transition: color 0.15s, border-color 0.15s;
}

.toc-mobile-back:hover { color: var(--accent); border-color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 720px) {
  html { font-size: 16px; }

  .post-layout {
    grid-template-columns: 1fr;
    padding-top: 1.5rem;
  }

  .toc-sidebar { display: none; }

  .toc-mobile-bar { display: flex; }

  .post-header {
    padding-right: 1rem;
  }

  .player-controls {
    min-width: 0;
  }

  .progress-wrap {
    min-width: 0;
  }

  .post-content {
    width: 100%;
    overflow-x: hidden;
  }

}

.post-body h2, .post-body h3 {
  scroll-margin-top: 3.5rem;
}

.toc-drawer-panel .toc-h3 a {
  padding-left: 2rem;
}