/* ---------- Design tokens (Claude design system 04edf9) ---------- */
:root {
  --color-primary: #cc785c;
  --color-primary-active: #a9583e;
  --color-primary-disabled: #e6dfd8;
  --color-ink: #141413;
  --color-body: #3d3d3a;
  --color-body-strong: #252523;
  --color-muted: #6c6a64;
  --color-muted-soft: #8e8b82;
  --color-hairline: #e6dfd8;
  --color-hairline-soft: #ebe6df;
  --color-canvas: #faf9f5;
  --color-surface-soft: #f5f0e8;
  --color-surface-card: #efe9de;
  --color-surface-cream-strong: #e8e0d2;
  --color-surface-dark: #181715;
  --color-surface-dark-elevated: #252320;
  --color-surface-dark-soft: #1f1e1b;
  --color-on-primary: #ffffff;
  --color-on-dark: #faf9f5;
  --color-on-dark-soft: #a09d96;
  --color-accent-teal: #5db8a6;
  --color-accent-amber: #e8a55a;
  --color-success: #5db872;
  --color-warning: #d4a017;
  --color-error: #c64545;

  --font-serif-display: 'Cormorant Garamond', 'Tiempos Headline', Garamond, 'Times New Roman', serif;
  --font-sans: 'Inter', 'StyreneB', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Fluid type scale: shrinks smoothly with the viewport */
  --display-xl-size: clamp(38px, 5vw + 22px, 64px); --display-xl-lh: 1.05; --display-xl-ls: -1.5px;
  --display-md-size: clamp(27px, 2.2vw + 20px, 36px); --display-md-ls: -0.5px;
  --display-sm-size: clamp(23px, 1.4vw + 19px, 28px); --display-sm-ls: -0.3px;
  --title-lg-size: clamp(18px, 1vw + 15px, 22px); --title-lg-weight: 500;
  --title-md-size: clamp(16px, 0.6vw + 14px, 18px); --title-md-weight: 500;
  --title-sm-size: clamp(15px, 0.4vw + 14px, 16px); --title-sm-weight: 500;
  --body-md-size: clamp(15px, 0.3vw + 14px, 16px); --body-md-lh: 1.55;
  --body-sm-size: 14px; --body-sm-lh: 1.55;
  --caption-size: 13px; --caption-weight: 500;
  --caption-upper-size: 12px; --caption-upper-weight: 500; --caption-upper-ls: 1.5px;
  --button-size: 14px; --button-weight: 500;
  --nav-link-size: 14px; --nav-link-weight: 500;

  --radius-md: 8px; --radius-lg: 12px; --radius-pill: 9999px;
  --max-content-width: 1200px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-active); }
::placeholder { color: var(--color-muted-soft); }

.page { min-height: 100vh; display: flex; flex-direction: column; }
.page-main { flex: 1; }

/* ---------- Nav ---------- */
.nav {
  height: 64px; flex: none;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid var(--color-hairline);
  background: var(--color-canvas);
  position: sticky; top: 0; z-index: 10;
}
.nav-brand {
  font-family: var(--font-serif-display);
  font-size: 22px; letter-spacing: -0.3px; cursor: pointer;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: var(--nav-link-size); font-weight: var(--nav-link-weight);
  cursor: pointer; color: var(--color-muted);
}
.nav-link.is-active { color: var(--color-ink); }
.nav-admin-chip {
  font-size: 12px; color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill); padding: 4px 10px;
}
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill); padding: 2px; gap: 2px;
}
.lang-seg {
  font-size: 12px; font-weight: 500; letter-spacing: 0.3px;
  padding: 4px 10px; border-radius: var(--radius-pill);
  color: var(--color-muted); cursor: pointer;
}
.lang-seg.is-active { background: var(--color-surface-card); color: var(--color-ink); }

/* ---------- Buttons / badges / inputs (from ds bundle) ---------- */
.btn {
  font-family: var(--font-sans);
  font-size: var(--button-size); font-weight: var(--button-weight); line-height: 1;
  border-radius: var(--radius-md);
  padding: 12px 20px; height: 40px;
  border: none; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background-color 120ms ease;
}
.btn--primary { background-color: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:active { background-color: var(--color-primary-active); }
.btn--secondary {
  background-color: var(--color-canvas); color: var(--color-ink);
  border: 1px solid var(--color-hairline);
}
.badge {
  display: inline-block;
  border-radius: var(--radius-pill); padding: 4px 12px;
  font-family: var(--font-sans);
  background-color: var(--color-surface-card); color: var(--color-ink);
  font-size: var(--caption-size); font-weight: var(--caption-weight);
}
.text-input {
  height: 40px; padding: 10px 14px;
  border-radius: var(--radius-md); border: 1px solid var(--color-hairline);
  background-color: var(--color-canvas); color: var(--color-ink);
  font-family: var(--font-sans); font-size: var(--body-md-size);
  outline: none;
}
.text-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.15);
}

/* ---------- Modals ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20, 20, 19, 0.45);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal-card {
  background: var(--color-canvas); border-radius: var(--radius-lg);
  padding: 32px; width: 320px; max-width: calc(100vw - 32px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}
.modal-card--wide { width: 360px; }
.modal-card--latex { width: 420px; }
.modal-card--center { text-align: center; }
.modal-title { font-family: var(--font-serif-display); font-size: var(--title-lg-size); margin-bottom: 16px; }
.modal-body { font-size: var(--body-sm-size); color: var(--color-muted); margin-top: 8px; }
.modal-fields { display: flex; flex-direction: column; gap: 12px; }
.modal-fields .text-input { width: 100%; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.modal-actions .btn { flex: 1; }
.latex-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.latex-chip {
  font-size: 14px; border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md); padding: 6px 10px; cursor: pointer;
}
.latex-chip:hover { background: var(--color-surface-soft); }

/* ---------- Image slots ---------- */
.image-slot {
  display: block; overflow: hidden;
  background: var(--color-surface-soft);
  border: 1px dashed var(--color-hairline);
  color: var(--color-muted-soft); font-size: var(--caption-size);
  position: relative;
}
.image-slot::after {
  content: attr(data-placeholder);
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.image-slot.has-image { border-style: solid; }
.image-slot.has-image::after { content: none; }
.image-slot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.image-slot.editable { cursor: pointer; }
.image-slot.drag-over { border-color: var(--color-primary); background: var(--color-surface-card); }

/* ---------- Home ---------- */
.section { max-width: var(--max-content-width); margin: 0 auto; padding: 0 32px 64px; }
.section-label {
  font-size: var(--caption-upper-size); font-weight: var(--caption-upper-weight);
  letter-spacing: var(--caption-upper-ls); text-transform: uppercase;
  color: var(--color-muted); margin-bottom: 20px;
}
.home-hero { max-width: var(--max-content-width); margin: 0 auto; padding: 96px 32px 64px; text-align: center; }
.home-hero-title {
  font-family: var(--font-serif-display);
  font-size: var(--display-xl-size); letter-spacing: var(--display-xl-ls); line-height: var(--display-xl-lh);
}
.home-hero-sub { font-size: var(--body-md-size); color: var(--color-muted); margin-top: 16px; }
.home-hero-cta { margin-top: 32px; display: flex; justify-content: center; }

.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.featured-card { cursor: pointer; }
.featured-card .image-slot { width: 100%; height: auto; aspect-ratio: 16 / 10; border-radius: 12px; }
.featured-title { font-family: var(--font-serif-display); font-size: var(--title-lg-size); line-height: 1.3; margin-top: 16px; }
.featured-excerpt { font-size: var(--body-sm-size); color: var(--color-body); margin-top: 8px; line-height: var(--body-sm-lh); }
.featured-date { font-size: var(--caption-size); color: var(--color-muted); margin-top: 12px; }

.archive-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.archive-row {
  display: flex; gap: 16px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--color-hairline-soft); cursor: pointer;
}
.archive-row .image-slot { width: 72px; height: 72px; flex: none; border-radius: 8px; }
.archive-title { font-family: var(--font-serif-display); font-size: var(--title-sm-size); line-height: 1.3; }
.archive-date { font-size: var(--caption-size); color: var(--color-muted); margin-top: 6px; }

.popular-row { display: flex; gap: 32px; flex-wrap: wrap; }
.popular-item { cursor: pointer; flex: 1; min-width: 180px; }
.popular-rank { font-family: var(--font-serif-display); font-size: var(--title-md-size); color: var(--color-primary); }
.popular-title { font-size: var(--body-sm-size); line-height: 1.4; margin-top: 8px; }

.tags-row { display: flex; flex-wrap: wrap; gap: 10px; }
.section--tags { padding-bottom: 96px; }

.contact {
  background: var(--color-surface-dark); color: var(--color-on-dark);
  padding: 64px 32px;
}
.contact-inner {
  max-width: var(--max-content-width); margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center;
}
.contact-title { font-family: var(--font-serif-display); font-size: var(--title-lg-size); }
.contact-links { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; }
.contact-links a {
  display: flex; align-items: center; gap: 8px;
  color: var(--color-on-dark); font-size: var(--body-sm-size);
}
.contact-links a:hover { color: var(--color-on-dark); opacity: 0.85; }
.contact-copy { font-size: 12px; color: var(--color-on-dark-soft); margin-top: 8px; }

/* ---------- Blog ---------- */
.blog-container { max-width: var(--max-content-width); margin: 0 auto; padding: 64px 32px 96px; }
.blog-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: 16px; margin-bottom: 8px;
}
.blog-title { font-family: var(--font-serif-display); font-size: var(--display-md-size); letter-spacing: var(--display-md-ls); }
.blog-sub { font-size: var(--body-sm-size); color: var(--color-muted); margin-top: 8px; }
.blog-admin-actions { display: flex; gap: 12px; align-items: center; }

.link-action { font-size: 13px; color: var(--color-primary); cursor: pointer; }
.link-danger { font-size: 13px; color: var(--color-error); cursor: pointer; }

.sort-tabs { display: flex; gap: 4px; margin: 24px 0 8px; }
.sort-tab {
  padding: 8px 14px; border-radius: var(--radius-md); cursor: pointer;
  font-size: var(--nav-link-size); font-weight: var(--nav-link-weight);
  background: transparent; color: var(--color-muted);
}
.sort-tab.is-active { background: var(--color-surface-card); color: var(--color-ink); }

.post-row {
  display: flex; gap: 20px; padding: 24px 0;
  border-bottom: 1px solid var(--color-hairline); cursor: pointer;
}
.post-row .image-slot { width: 120px; height: 90px; flex: none; border-radius: 8px; }
.post-row-body { flex: 1; }
.post-row-date { font-size: var(--caption-size); color: var(--color-muted); margin-bottom: 6px; }
.post-row-title { font-family: var(--font-serif-display); font-size: var(--title-lg-size); }
.post-row-excerpt { font-size: var(--body-sm-size); color: var(--color-body); margin-top: 8px; line-height: var(--body-sm-lh); }
.post-row-tags { display: flex; gap: 8px; margin-top: 12px; }

.post-view { max-width: 720px; margin: 0 auto; }
.post-view-title {
  font-family: var(--font-serif-display);
  font-size: var(--display-md-size); letter-spacing: var(--display-md-ls); margin-top: 16px;
}
.post-view-meta { display: flex; gap: 12px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.post-view-date { font-size: var(--caption-size); color: var(--color-muted); }
.post-view-content {
  font-size: var(--body-md-size); color: var(--color-body);
  line-height: var(--body-md-lh); margin-top: 32px; white-space: pre-wrap;
}

/* ---------- Editor ---------- */
.editor { max-width: 720px; margin: 0 auto; }
.editor-heading { font-family: var(--font-serif-display); font-size: var(--display-sm-size); margin-bottom: 24px; }
.editor-form { display: flex; flex-direction: column; gap: 16px; }
.editor-form .text-input { width: 100%; }
.editor-title-input { font-size: var(--title-md-size); }
.editor-actions { display: flex; gap: 10px; }

.rt-toolbar {
  position: relative;
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px;
  padding: 6px;
  border: 1px solid var(--color-hairline); border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.rt-btn {
  min-width: 34px; height: 34px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; border-radius: 6px; background: transparent;
  font-family: var(--font-sans); font-size: 14px; color: var(--color-ink);
  cursor: pointer;
}
.rt-btn:hover { background: var(--color-surface-card); }
.rt-btn svg { width: 16px; height: 16px; }
.rt-sep { width: 1px; height: 20px; background: var(--color-hairline); margin: 0 4px; }
.emoji-pop[hidden] { display: none; }
.emoji-pop {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 20;
  display: grid; grid-template-columns: repeat(9, 32px); gap: 2px;
  background: var(--color-canvas); border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md); padding: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.emoji-item {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer; border-radius: 6px;
}
.emoji-item:hover { background: var(--color-surface-soft); }

.rt-editor {
  width: 100%; min-height: 360px; padding: 16px;
  border-radius: var(--radius-md); border: 1px solid var(--color-hairline);
  font-family: var(--font-sans); font-size: var(--body-md-size);
  color: var(--color-ink); background: var(--color-canvas);
  line-height: 1.7; outline: none; overflow-wrap: break-word;
}
.rt-editor:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.15);
}
.rt-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--color-muted-soft);
}

/* ---------- Rich post content (post view + editor) ---------- */
.rich-content { line-height: 1.7; }
.rich-content h1, .rich-content h2, .rich-content h3, .rich-content h4 {
  font-family: var(--font-serif-display);
  font-weight: 500; line-height: 1.25;
  margin: 1.2em 0 0.4em;
}
.rich-content h1 { font-size: var(--display-sm-size); letter-spacing: var(--display-sm-ls); }
.rich-content h2 { font-size: var(--title-lg-size); }
.rich-content h3 { font-size: var(--title-md-size); }
.rich-content p { margin: 0 0 0.9em; }
.rich-content img {
  max-width: 100%; height: auto; display: inline-block;
  border-radius: var(--radius-md); margin: 16px 0;
}
.rt-editor img { cursor: pointer; }
.rt-editor img.rt-selected { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.rt-resize-handle {
  position: fixed; width: 16px; height: 16px; border-radius: 50%;
  background: var(--color-primary); border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  cursor: nwse-resize; z-index: 60; touch-action: none;
}
.rt-resize-handle[hidden] { display: none; }
.rich-content a { color: var(--color-primary); text-decoration: underline; }
.rich-content blockquote {
  margin: 16px 0; padding: 4px 0 4px 16px;
  border-left: 3px solid var(--color-primary);
  color: var(--color-muted);
}
.rich-content pre, .rich-content code {
  font-family: var(--font-mono); font-size: 14px;
  background: var(--color-surface-soft); border-radius: 6px;
}
.rich-content code { padding: 1px 5px; }
.rich-content pre { padding: 14px; overflow-x: auto; }
.rich-content hr { border: none; border-top: 1px solid var(--color-hairline); margin: 24px 0; }
.rich-content table {
  border-collapse: collapse;
  table-layout: fixed;
  max-width: 100%;
  margin: 16px 0;
}
.rich-content td, .rich-content th {
  border: 1px solid var(--color-hairline);
  padding: 8px 10px;
  vertical-align: top;
  overflow-wrap: break-word;
  font-size: var(--body-sm-size);
  line-height: var(--body-sm-lh);
}
.rich-content th { background: var(--color-surface-soft); font-weight: 500; }
.rich-content td img { margin: 4px 0; }
.modal-label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; color: var(--color-muted);
}
.modal-label .text-input { width: 100%; }

.rich-content details {
  margin: 12px 0; padding: 10px 14px;
  border: 1px solid var(--color-hairline-soft);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}
.rich-content summary {
  cursor: pointer; font-weight: 500; color: var(--color-ink);
  outline: none;
}
.rich-content summary::marker { color: var(--color-primary); }
.rich-content details[open] > summary { margin-bottom: 8px; }
.rich-content .katex-display { overflow-x: auto; overflow-y: hidden; padding: 4px 0; }

/* ---------- Favorites ---------- */
.fav-toggle {
  font-size: 18px; line-height: 1; color: var(--color-muted-soft);
  cursor: pointer; padding: 8px; align-self: flex-start; flex: none;
}
.fav-toggle.is-fav { color: var(--color-primary); }
.fav-toggle:hover { color: var(--color-primary-active); }

/* ---------- Error card ---------- */
.error-card {
  max-width: 480px; margin: 96px auto; padding: 32px;
  border: 1px solid var(--color-hairline); border-radius: var(--radius-lg);
  text-align: center;
}
.error-title { font-family: var(--font-serif-display); font-size: var(--title-lg-size); margin-bottom: 12px; }
.error-body { font-size: var(--body-sm-size); color: var(--color-muted); line-height: 1.7; margin-bottom: 12px; }
.error-card pre {
  background: var(--color-surface-soft); border-radius: var(--radius-md);
  padding: 10px; font-family: var(--font-mono); font-size: 14px; margin: 0 0 20px;
}

/* ---------- Drafts ---------- */
.drafts-heading { font-family: var(--font-serif-display); font-size: var(--display-sm-size); margin: 16px 0 24px; }
.draft-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; border-bottom: 1px solid var(--color-hairline);
}
.draft-title { font-family: var(--font-serif-display); font-size: var(--title-md-size); }
.draft-date { font-size: 12px; color: var(--color-muted); margin-top: 4px; }
.draft-actions { display: flex; gap: 16px; }
.drafts-empty { color: var(--color-muted); font-size: 14px; padding: 24px 0; }

/* ---------- Work ---------- */
.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }

/* Fixed-size cards: image/title/actions all reserve a constant height so
   every card in the grid is identical regardless of content length. The
   description is the only flexible piece and is line-clamped; a top margin
   of auto on .work-actions pins GitHub/Paper to the card's bottom edge. */
.work-card {
  display: flex; flex-direction: column;
  background: var(--color-surface-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 580px;
  cursor: pointer;
}
.work-image {
  width: 100%; aspect-ratio: 16 / 9; height: auto; border-radius: 12px; flex: none;
  background: var(--color-surface-soft);
  border: 1px dashed var(--color-hairline);
  color: var(--color-muted-soft); font-size: var(--caption-size);
  display: flex; align-items: center; justify-content: center;
}
.work-image-img {
  width: 100%; aspect-ratio: 16 / 9; height: auto; object-fit: cover;
  border-radius: 12px; display: block; flex: none;
}
.work-title {
  font-family: var(--font-serif-display); font-size: var(--title-lg-size); line-height: 1.3;
  margin-top: 20px; flex: none;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: calc(1.3em * 2);
}
.work-desc {
  font-size: var(--body-sm-size); color: var(--color-body); margin-top: 8px; line-height: var(--body-sm-lh);
  flex: none;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.work-actions { display: flex; gap: 10px; margin-top: auto; padding-top: 16px; flex: none; }
.work-actions .btn { flex: 1; text-decoration: none; }
.work-actions .btn:hover { color: var(--color-ink); }
.work-admin-row { display: flex; gap: 16px; margin-top: 12px; flex: none; }

/* ---------- Work media: image or embeddable YouTube video ---------- */
.work-media {
  position: relative; width: 100%; aspect-ratio: 16 / 9; height: auto; border-radius: 12px;
  overflow: hidden; background: #000; flex: none;
}
.work-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.work-media iframe { width: 100%; height: 100%; border: none; display: block; }
.work-play-btn {
  position: absolute; inset: 0; margin: auto; width: 56px; height: 56px;
  border-radius: 50%; background: rgba(20, 20, 19, 0.55); border: none;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  color: #fff; padding: 0;
}
.work-play-btn:hover { background: rgba(20, 20, 19, 0.72); }
.work-play-btn svg { width: 22px; height: 22px; margin-left: 3px; }

/* ---------- Work detail modal (expanded card) ---------- */
.modal-card--work-detail {
  position: relative;
  width: 720px; max-width: calc(100vw - 32px);
  max-height: 85vh; padding: 0; display: flex; flex-direction: column;
  animation: work-detail-in 160ms ease-out;
}
@keyframes work-detail-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.work-detail-scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 32px; }
.work-detail-close {
  position: absolute; top: 16px; right: 16px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: none;
  background: rgba(20, 20, 19, 0.5); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.work-detail-close:hover { background: rgba(20, 20, 19, 0.7); }
.work-detail-media { width: 100%; aspect-ratio: 16 / 9; height: auto; border-radius: var(--radius-lg); }
.work-detail-title {
  font-family: var(--font-serif-display); font-size: var(--title-lg-size);
  line-height: 1.3; margin-top: 24px;
}
.work-detail-meta { display: flex; gap: 16px; margin-top: 12px; }
.work-detail-desc {
  font-size: var(--body-md-size); color: var(--color-body); line-height: var(--body-md-lh);
  margin-top: 20px; white-space: pre-wrap;
}
.work-detail-scroll .work-actions { margin-top: 28px; padding-top: 0; }

.work-cover-section {
  display: flex; flex-direction: column; gap: 10px;
  border: 1px solid var(--color-hairline-soft); border-radius: var(--radius-lg);
  padding: 16px; background: var(--color-surface-soft);
}
.work-cover-hint {
  font-size: var(--caption-size); color: var(--color-muted);
  margin-top: 4px;
}
.work-cover-hint:first-child { margin-top: 0; }
.work-cover-slot { width: 100%; aspect-ratio: 16 / 10; border-radius: 12px; }
.work-desc-input {
  width: 100%; height: auto; min-height: 100px; box-sizing: border-box;
  resize: vertical; font-family: var(--font-sans); line-height: 1.6; padding: 10px 14px;
}
.work-paper-row { display: flex; gap: 10px; align-items: center; }
.work-paper-row .btn { flex: none; white-space: nowrap; }
.work-file-info {
  display: flex; align-items: center; gap: 12px;
  font-size: var(--body-sm-size); color: var(--color-body);
  background: var(--color-surface-soft); border-radius: var(--radius-md);
  padding: 10px 14px;
}
.work-file-info[hidden] { display: none; }

/* ---------- About ---------- */
.about { max-width: 680px; margin: 0 auto; padding: 96px 32px; }
.about-title { font-family: var(--font-serif-display); font-size: var(--display-md-size); letter-spacing: var(--display-md-ls); }
.about-role { font-size: var(--title-md-size); color: var(--color-muted); margin-top: 8px; }
.about-text {
  font-size: var(--body-md-size); color: var(--color-body);
  line-height: 1.8; margin-top: 32px; white-space: pre-wrap;
}

.popular-views { font-size: var(--caption-size); color: var(--color-muted); margin-top: 6px; }
.editor-lang { display: flex; align-items: center; gap: 4px; }
.editor-lang-label { font-size: var(--caption-size); color: var(--color-muted); margin-right: 8px; }
.draft-lang {
  font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
  color: var(--color-muted); border: 1px solid var(--color-hairline);
  border-radius: var(--radius-pill); padding: 1px 7px; vertical-align: 2px;
}

/* ---------- Mobile app layout ---------- */
.tabbar { display: none; }

@media (max-width: 720px) {
  .nav { padding: 0 16px; height: 56px; }
  .nav-links { gap: 12px; }
  .nav-link { display: none; }               /* navigation moves to the bottom tab bar */
  .nav-brand { font-size: 20px; }

  .tabbar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
    display: flex;
    background: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .tab {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: 10px 0 8px;
    font-size: 11px; font-weight: 500; color: var(--color-muted);
    cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .tab svg { width: 22px; height: 22px; }
  .tab.is-active { color: var(--color-primary); }
  .page-main { padding-bottom: 76px; }

  .home-hero { padding: 56px 20px 48px; }
  .section { padding: 0 20px 48px; }
  .featured-grid { grid-template-columns: 1fr; gap: 28px; }
  .archive-grid { grid-template-columns: 1fr; }
  .work-grid { grid-template-columns: 1fr; gap: 20px; }
  .popular-row { flex-direction: column; gap: 20px; }

  .blog-container { padding: 32px 20px 96px; }
  .post-row { gap: 14px; padding: 20px 0; }
  .post-row .image-slot { width: 84px; height: 63px; }
  .post-row-excerpt { display: none; }        /* compact, app-like list rows */

  .contact { padding: 48px 20px; }
  .about { padding: 56px 20px; }

  .editor-actions { position: sticky; bottom: 84px; }
  .editor-actions .btn { flex: 1; }
  .rt-editor { min-height: 260px; }
}