/* ============================================================
   Editorial Quietism — design system for myblog
   ============================================================ */

@layer reset, tokens, base, components, reading, shortcodes, utilities, print;

/* ---------- Reset ---------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
  body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
  ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
  body { min-height: 100vh; min-height: 100dvh; line-height: 1.5; }
  img, picture, svg, video { display: block; max-width: 100%; height: auto; }
  input, button, textarea, select { font: inherit; color: inherit; }
  a { color: inherit; }
  hr { border: 0; height: 1px; background: var(--line); margin: 32px 0; }
  :focus { outline: none; }
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
  }
  ::selection { background: rgba(47, 93, 80, 0.18); color: var(--ink); }
}

/* ---------- Tokens ---------- */
@layer tokens {
  :root {
    /* Color — Light (warm paper) */
    --bg: #FAF7F1;
    --surface: #FFFFFF;
    --surface-soft: #F1ECE0;
    --ink: #1A1815;
    --ink-muted: #5C574E;
    --ink-faint: #8A8478;
    --line: #E5DED1;
    --line-strong: #C9C0AD;
    --accent: #2F5D50;
    --accent-strong: #1F4338;
    --accent-soft: #6B8E82;
    --warm: #A24B30;
    --ring: rgba(47, 93, 80, 0.32);
    --code-bg: #F4EFE3;
    --code-border: #E0D8C5;
    --shadow-sm: 0 1px 2px rgba(26, 24, 21, 0.04);

    /* Type families */
    --font-serif: "Source Serif 4", "Source Serif Pro", "Noto Serif SC", "Songti SC", "STSong", Georgia, "Times New Roman", serif;
    --font-sans: "Inter", "Noto Sans SC", "PingFang SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

    /* Type scale */
    --fs-12: 0.75rem;
    --fs-14: 0.875rem;
    --fs-16: 1rem;
    --fs-18: 1.125rem;
    --fs-20: 1.25rem;
    --fs-24: 1.5rem;
    --fs-32: 2rem;
    --fs-44: 2.75rem;
    --fs-64: 4rem;

    /* Spacing */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 24px;
    --sp-6: 32px;
    --sp-7: 48px;
    --sp-8: 64px;
    --sp-9: 96px;

    /* Layout */
    --measure: 68ch;
    --container-prose: 760px;
    --container-wide: 1180px;
    --container-reading: 1440px;
    --header-h: 64px;

    /* Radius / motion */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-pill: 999px;
    --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --dur: 200ms;
    --dur-fast: 120ms;
  }

  /* Dark mode — applied when [data-theme="dark"] OR system prefers-color-scheme: dark and no override */
  [data-theme="dark"] {
    --bg: #13110D;
    --surface: #1B1813;
    --surface-soft: #23201A;
    --ink: #EDE6D7;
    --ink-muted: #A89F8C;
    --ink-faint: #756E60;
    --line: #2C2820;
    --line-strong: #3E382C;
    --accent: #9DC2B6;
    --accent-strong: #B6D2C9;
    --accent-soft: #6E8C82;
    --warm: #D08C6E;
    --ring: rgba(157, 194, 182, 0.4);
    --code-bg: #1F1C16;
    --code-border: #2C2820;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}

/* ---------- Base typography & layout ---------- */
@layer base {
  html {
    font-size: 16px;
    background: var(--bg);
    color: var(--ink);
    color-scheme: light dark;
  }

  body {
    font-family: var(--font-serif);
    font-size: var(--fs-18);
    line-height: 1.6;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern", "liga", "onum";
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 620;
    line-height: 1.2;
    letter-spacing: -0.005em;
    color: var(--ink);
    text-wrap: balance;
  }

  p { line-height: 1.7; }

  a {
    color: var(--accent-strong);
    text-decoration-color: var(--line-strong);
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    transition: text-decoration-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  a:hover { text-decoration-color: var(--accent); }
  [data-theme="dark"] a { color: var(--accent); }

  small, .small { font-size: var(--fs-14); }

  blockquote { font-style: italic; color: var(--ink-muted); }
  code, pre, kbd, samp { font-family: var(--font-mono); font-feature-settings: "tnum"; }

  ::placeholder { color: var(--ink-faint); }

  /* Reset theme defaults that center headings — we override them */
  h1, h2, h3, h4, h5, h6 { text-align: left; }
}

/* ---------- Components ---------- */
@layer components {
  /* Skip link */
  .skip-link {
    position: absolute;
    left: -10000px;
    top: 8px;
    padding: 8px 14px;
    background: var(--ink);
    color: var(--bg);
    border-radius: var(--r-md);
    text-decoration: none;
    z-index: 100;
  }
  .skip-link:focus { left: 8px; }

  /* Wrapper override (theme's .wrapper has overflow:hidden which breaks sticky) */
  .wrapper { overflow: visible; position: relative; }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: saturate(180%) blur(10px);
    -webkit-backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }
  .site-header[data-scrolled="true"] { border-bottom-color: var(--line); }
  /* Reset legacy theme styles */
  .header { padding: 0; background: transparent; border: 0; }

  .site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 14px 24px;
    min-height: var(--header-h);
    flex-wrap: wrap;
  }

  .site-mark {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    float: none;
    margin: 0;
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity var(--dur) var(--ease);
  }
  .site-mark:hover { opacity: 0.78; transform: none; }
  .site-mark img { max-height: 28px; width: auto; border-radius: 6px; flex-shrink: 0; }
  .site-mark span { white-space: nowrap; }

  .nav-cluster {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px 22px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    flex-wrap: wrap;
  }
  .nav-links li { margin: 0; padding: 0; display: inline-flex; }
  .nav-links li::before { content: none; }
  .nav-links a {
    color: var(--ink-muted);
    text-decoration: none;
    padding: 4px 0;
    position: relative;
    transition: color var(--dur) var(--ease);
  }
  .nav-links a:hover { color: var(--ink); }
  .nav-links a[aria-current="page"] {
    color: var(--ink);
    font-weight: 600;
  }
  .nav-links a[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 1.5px;
    background: var(--warm);
    border-radius: 2px;
  }

  /* Lang toggle (segmented) */
  .lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
    padding: 2px;
    background: var(--surface);
  }
  .lang-toggle a {
    color: var(--ink-muted);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: var(--r-pill);
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  .lang-toggle a[aria-current="true"] {
    background: var(--ink);
    color: var(--bg);
    font-weight: 600;
  }
  .lang-toggle a:hover:not([aria-current="true"]) { color: var(--ink); }

  /* Theme toggle */
  .theme-toggle {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink-muted);
    width: 34px;
    height: 34px;
    border-radius: var(--r-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }
  .theme-toggle:hover { color: var(--ink); border-color: var(--line-strong); }
  .theme-toggle svg { width: 16px; height: 16px; }
  .theme-toggle .icon-sun { display: none; }
  .theme-toggle .icon-moon { display: block; }
  [data-theme="dark"] .theme-toggle .icon-sun { display: block; }
  [data-theme="dark"] .theme-toggle .icon-moon { display: none; }

  /* Buttons */
  .button-primary,
  .button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: var(--r-pill);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    transition: transform var(--dur-fast) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
    cursor: pointer;
    border: 1px solid transparent;
  }
  .button-primary {
    background: var(--accent);
    color: #FFFFFF;
  }
  [data-theme="dark"] .button-primary { color: var(--bg); }
  .button-primary:hover { background: var(--accent-strong); transform: translateY(-1px); }
  .button-secondary {
    background: transparent;
    color: var(--ink);
    border-color: var(--line-strong);
  }
  .button-secondary:hover { border-color: var(--ink); transform: translateY(-1px); }

  /* Footer */
  .site-footer {
    margin-top: var(--sp-9);
    padding: var(--sp-7) 24px var(--sp-7);
    border-top: 1px solid var(--line);
    background: transparent;
    text-align: left;
  }
  /* Override theme footer styles */
  .footer { padding: 0; text-align: left; font-size: var(--fs-14); }
  .footer-meta {
    max-width: var(--container-wide);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    color: var(--ink-muted);
  }
  .footer-meta a {
    color: var(--ink-muted);
    text-decoration: none;
    transition: color var(--dur) var(--ease);
  }
  .footer-meta a:hover { color: var(--ink); }
  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--sp-5);
  }
  .footer-links li { display: inline-flex; margin: 0; padding: 0; }
  .footer-links li::before { content: none; }
  .footer-links a { margin: 0; }
  .footer-copy { margin: 0; }

  /* Hero */
  .home-shell {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 72px 24px 48px;
  }
  .home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 1fr);
    gap: 56px;
    align-items: center;
  }
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin: 0 0 var(--sp-4);
  }
  .eyebrow::before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 14px;
    background: var(--warm);
    border-radius: 1px;
  }

  .home-hero h1 {
    font-size: clamp(2.5rem, 5.4vw, var(--fs-64));
    font-weight: 640;
    letter-spacing: -0.018em;
    line-height: 1.04;
    margin: 0 0 var(--sp-5);
  }
  .home-hero h1 .secondary-name {
    color: var(--ink-muted);
    font-weight: 480;
    letter-spacing: -0.01em;
  }

  .home-deck {
    font-family: var(--font-sans);
    font-size: var(--fs-20);
    line-height: 1.55;
    color: var(--ink-muted);
    max-width: 56ch;
    margin: 0;
    font-weight: 400;
  }

  .home-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    margin-top: var(--sp-6);
  }

  .home-portrait {
    justify-self: end;
    margin: 0;
    max-width: 380px;
    width: 100%;
  }
  .home-portrait img {
    border-radius: var(--r-sm);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    width: 100%;
    height: auto;
  }
  .home-portrait figcaption {
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    color: var(--ink-faint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: var(--sp-3);
    text-align: left;
  }

  /* Now strip */
  .home-now {
    margin-top: var(--sp-7);
    padding: var(--sp-4) 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    font-family: var(--font-serif);
    font-style: italic;
    font-size: var(--fs-18);
    color: var(--ink-muted);
    display: flex;
    align-items: baseline;
    gap: var(--sp-4);
    flex-wrap: wrap;
  }
  .home-now .label {
    font-family: var(--font-sans);
    font-style: normal;
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--warm);
    flex-shrink: 0;
  }

  /* Sections */
  .home-section {
    margin-top: var(--sp-9);
  }
  .home-section h2 {
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin: 0 0 var(--sp-6);
  }

  /* Focus list (typographic columns, no boxes) */
  .focus-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .focus-list article {
    padding: 0 var(--sp-5);
    border-left: 1px solid var(--line);
  }
  .focus-list article:first-child { padding-left: 0; border-left: 0; }
  .focus-list .marker {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--warm);
    margin-bottom: var(--sp-3);
  }
  .focus-list h3 {
    font-size: var(--fs-20);
    font-weight: 620;
    letter-spacing: -0.01em;
    margin: 0 0 var(--sp-3);
    line-height: 1.25;
  }
  .focus-list p {
    color: var(--ink-muted);
    font-size: var(--fs-16);
    line-height: 1.6;
    margin: 0;
  }

  /* Writing list + sticky callout */
  .split-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--sp-7);
    align-items: start;
  }

  .writing-list {
    display: grid;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .writing-item {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr);
    gap: var(--sp-5);
    padding: var(--sp-5) 0;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
    transition: padding var(--dur) var(--ease);
  }
  .writing-item:last-child { border-bottom: 0; }
  .writing-item time {
    font-family: var(--font-sans);
    font-feature-settings: "tnum";
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    text-transform: uppercase;
    line-height: 1.3;
  }
  .writing-item h3 {
    font-size: var(--fs-24);
    font-weight: 620;
    letter-spacing: -0.012em;
    margin: 0 0 var(--sp-2);
    line-height: 1.25;
  }
  .writing-item h3 a {
    color: var(--ink);
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition: background-size var(--dur) var(--ease), color var(--dur) var(--ease);
    padding-bottom: 2px;
  }
  .writing-item h3 a:hover {
    background-size: 100% 1px;
    color: var(--accent);
  }
  .writing-item p {
    color: var(--ink-muted);
    font-size: var(--fs-16);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .writing-item .arrow {
    display: inline-block;
    margin-left: 6px;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
    color: var(--accent);
  }
  .writing-item:hover .arrow,
  .writing-item:focus-within .arrow {
    opacity: 1;
    transform: translateX(0);
  }

  /* Resource callout */
  .resource-callout {
    background: var(--surface-soft);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: var(--sp-5);
    position: sticky;
    top: calc(var(--header-h) + var(--sp-4));
  }
  .resource-callout .callout-mark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--warm);
    margin: 0 0 var(--sp-3);
  }
  .resource-callout h2 {
    font-family: var(--font-serif);
    font-size: var(--fs-20);
    font-weight: 620;
    letter-spacing: -0.01em;
    text-transform: none;
    color: var(--ink);
    margin: 0 0 var(--sp-3);
  }
  .resource-callout p {
    color: var(--ink-muted);
    font-size: var(--fs-16);
    line-height: 1.55;
    margin: 0 0 var(--sp-4);
  }
  .resource-callout a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1.5px solid var(--line-strong);
    padding-bottom: 2px;
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  .resource-callout a:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
}

/* ---------- Reading layout (post / single) ---------- */
@layer reading {
  .reading-layout {
    max-width: var(--container-reading);
    margin: 0 auto;
    padding: var(--sp-7) 24px var(--sp-9);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-6);
  }
  @media (min-width: 1024px) {
    .reading-layout {
      grid-template-columns: minmax(0, 1fr) 240px;
      gap: var(--sp-8);
      padding: var(--sp-8) 48px var(--sp-9);
    }
  }

  .post-article {
    max-width: 100%;
    min-width: 0;
  }

  .post-article .post-header {
    margin: 0 auto var(--sp-7);
    max-width: var(--container-prose);
  }
  .post-article .post-header .eyebrow { margin-bottom: var(--sp-3); }
  .post-article h1.post-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 640;
    line-height: 1.08;
    letter-spacing: -0.018em;
    margin: 0 0 var(--sp-4);
    text-align: left;
    text-wrap: balance;
  }
  .post-meta {
    font-family: var(--font-sans);
    font-feature-settings: "tnum";
    font-size: var(--fs-14);
    color: var(--ink-muted);
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px var(--sp-3);
    margin: 0 0 var(--sp-5);
  }
  .post-meta .sep { color: var(--ink-faint); }
  .post-header hr.title-rule {
    margin: var(--sp-5) 0 0;
    height: 1px;
    background: var(--line);
    width: 96px;
    border: 0;
  }

  /* Prose container */
  .prose {
    max-width: var(--container-prose);
    margin: 0 auto;
    font-family: var(--font-serif);
    font-size: var(--fs-20);
    line-height: 1.7;
    color: var(--ink);
  }
  .prose > * + * { margin-top: 1.2em; }
  .prose p { line-height: 1.7; }
  .prose h1 { font-size: var(--fs-32); margin-top: 2em; }
  .prose h2 {
    font-size: var(--fs-32);
    font-weight: 620;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    letter-spacing: -0.012em;
    text-align: left;
  }
  .prose h3 {
    font-size: var(--fs-24);
    font-weight: 620;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    letter-spacing: -0.008em;
    text-align: left;
  }
  .prose h4 {
    font-size: var(--fs-20);
    font-weight: 620;
    color: var(--ink);
    margin-top: 1.4em;
    margin-bottom: 0.4em;
    text-align: left;
  }
  .prose h5, .prose h6 {
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-muted);
    text-align: left;
  }
  .prose strong, .prose b { font-weight: 620; color: var(--ink); }
  .prose em, .prose i { font-style: italic; }
  .prose a {
    color: var(--ink);
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0 calc(100% - 1px);
    background-repeat: no-repeat;
    background-size: 100% 1px;
    padding-bottom: 1px;
    transition: color var(--dur) var(--ease), background-size var(--dur) var(--ease);
  }
  .prose a:hover { color: var(--accent); background-size: 100% 2px; }

  .prose ul, .prose ol {
    padding-left: 1.4em;
  }
  .prose li { margin-top: 0.4em; line-height: 1.7; }
  .prose li::marker { color: var(--ink-muted); }
  .prose ul li { font-size: inherit; }
  .prose ol li { font-size: inherit; }

  .prose blockquote {
    border-left: 3px solid var(--warm);
    background: transparent;
    padding: 0 0 0 1.2em;
    margin: 1.6em 0;
    font-style: italic;
    color: var(--ink-muted);
    font-family: var(--font-serif);
  }
  .prose blockquote p { line-height: 1.65; }

  .prose hr {
    margin: 2.4em auto;
    width: 96px;
    height: 1px;
    background: var(--line);
    max-width: none;
    border: 0;
  }

  /* Inline & block code */
  .prose code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    padding: 2px 6px;
    border-radius: var(--r-sm);
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    color: var(--ink);
  }
  .prose pre {
    margin: 1.4em 0;
    padding: 0;
    background: transparent;
    border: 0;
    overflow: visible;
  }
  .prose pre code {
    display: block;
    padding: var(--sp-4) var(--sp-5);
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    border-radius: var(--r-md);
    font-size: var(--fs-14);
    line-height: 1.6;
    overflow-x: auto;
    color: var(--ink);
  }
  .code-block-wrap {
    position: relative;
    margin: 1.4em 0;
  }
  .code-block-wrap pre { margin: 0; }
  .code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    color: var(--ink-muted);
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  .code-block-wrap:hover .code-copy-btn,
  .code-copy-btn:focus-visible { opacity: 1; }
  .code-copy-btn:hover { color: var(--ink); }

  /* Figures */
  .prose figure { margin: 1.8em 0; }
  .prose figure img {
    border-radius: var(--r-sm);
    border: 1px solid var(--line);
  }
  .prose figcaption {
    margin-top: var(--sp-3);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    color: var(--ink-muted);
    text-align: center;
    line-height: 1.5;
  }

  /* Tables */
  .prose table {
    width: 100%;
    margin: 1.6em 0;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: var(--fs-16);
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    background: transparent;
  }
  .prose table thead tr,
  .prose table thead { background: transparent; }
  .prose table th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line-strong);
    font-weight: 600;
    color: var(--ink);
  }
  .prose table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
  }
  .prose table tr:nth-child(even) { background: transparent; }
  .prose table tbody tr:hover { background: var(--surface-soft); }

  /* Pull quote */
  .pullquote {
    margin: 2em -8px;
    padding: 0 0 0 var(--sp-5);
    border-left: 2px solid var(--warm);
    font-family: var(--font-serif);
    font-size: var(--fs-24);
    font-style: italic;
    line-height: 1.4;
    color: var(--ink);
    max-width: 60ch;
  }
  .pullquote cite {
    display: block;
    margin-top: var(--sp-3);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    font-style: normal;
    letter-spacing: 0.04em;
    color: var(--ink-muted);
  }
  .pullquote cite::before { content: "— "; }

  /* Footnotes */
  .prose .footnotes {
    margin-top: var(--sp-8);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--line);
    font-size: var(--fs-16);
    color: var(--ink-muted);
  }
  .prose .footnotes ol { padding-left: 1.4em; }
  .prose .footnotes li { font-size: var(--fs-16); line-height: 1.6; }
  .prose sup a[href^="#fn:"],
  .prose a[href^="#fnref:"] {
    text-decoration: none;
    background: none;
    color: var(--warm);
    font-family: var(--font-sans);
    font-size: 0.7em;
    font-feature-settings: "tnum";
    padding: 0 2px;
  }
  .prose sup a[href^="#fn:"]:hover { color: var(--accent); }

  /* Sidebar TOC */
  .post-toc {
    display: none;
  }
  @media (min-width: 1024px) {
    .post-toc {
      display: block;
      position: sticky;
      top: calc(var(--header-h) + var(--sp-4));
      align-self: start;
      max-height: calc(100vh - var(--header-h) - var(--sp-7));
      overflow-y: auto;
      font-family: var(--font-sans);
      font-size: var(--fs-14);
      border-left: 1px solid var(--line);
      padding-left: var(--sp-4);
    }
    .post-toc .toc-label {
      font-size: var(--fs-12);
      font-weight: 700;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      color: var(--ink-muted);
      margin: 0 0 var(--sp-3);
    }
    .post-toc nav ol,
    .post-toc nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .post-toc nav li { margin: 4px 0; line-height: 1.4; }
    .post-toc nav li li { padding-left: var(--sp-3); }
    .post-toc nav a {
      color: var(--ink-muted);
      text-decoration: none;
      display: block;
      padding: 4px 0;
      border-left: 2px solid transparent;
      margin-left: -10px;
      padding-left: 10px;
      transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
    }
    .post-toc nav a:hover { color: var(--ink); }
    .post-toc nav a.is-active {
      color: var(--accent);
      border-left-color: var(--accent);
      font-weight: 600;
    }
  }

  /* Chinese long-form posts use the native collapsible TOC at every width. */
  .post-toc.post-toc--inline {
    display: block;
    position: static;
    max-height: none;
    overflow: visible;
    margin: 0 0 var(--sp-6);
    padding: var(--sp-3) var(--sp-4);
    border-left: 1px solid var(--line);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
  }
  .post-toc--inline summary { cursor: pointer; }
  .post-toc--inline nav { margin-top: var(--sp-3); }
  .post-toc--inline nav ol,
  .post-toc--inline nav ul { list-style: none; margin: 0; padding: 0; }
  .post-toc--inline nav li { margin: 4px 0; line-height: 1.5; }
  .post-toc--inline nav li li { padding-left: var(--sp-3); }
  .post-toc--inline nav a { color: var(--ink-muted); text-decoration: none; }
  .post-toc--inline nav a:hover { color: var(--ink); }

  /* Scroll progress */
  .scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0%;
    background: var(--accent);
    z-index: 60;
    transition: width 80ms linear;
    pointer-events: none;
  }

  /* Article toolbar (Edit on GitHub) */
  .article-toolbar {
    margin-top: var(--sp-7);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--line);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
  }
  .article-toolbar a {
    color: var(--ink-muted);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1px;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
  .article-toolbar a:hover { color: var(--accent); border-color: var(--accent); }

  /* Last-modified */
  .post-lastmod {
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    color: var(--ink-faint);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-top: var(--sp-5);
  }

  /* Tags */
  .post-tags {
    margin-top: var(--sp-5);
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
  }
  .post-tags a {
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    color: var(--ink-muted);
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
    background: none;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
  .post-tags a:hover { color: var(--ink); border-color: var(--line-strong); }

  /* Prev/next */
  .post-pager {
    margin-top: var(--sp-7);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
  }
  @media (max-width: 720px) {
    .post-pager { grid-template-columns: 1fr; }
  }
  .post-pager a {
    display: block;
    padding: var(--sp-4);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: transparent;
    text-decoration: none;
    color: var(--ink);
    transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }
  .post-pager a:hover {
    border-color: var(--line-strong);
    background: var(--surface-soft);
  }
  .post-pager .pager-label {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--fs-12);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin-bottom: 6px;
  }
  .post-pager .pager-title {
    font-family: var(--font-serif);
    font-size: var(--fs-18);
    font-weight: 600;
    line-height: 1.3;
  }
  .post-pager .next { text-align: right; }

  /* Back-to-top */
  .back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--sp-5);
    font-family: var(--font-sans);
    font-size: var(--fs-14);
    color: var(--ink-muted);
    text-decoration: none;
  }
  .back-to-top:hover { color: var(--accent); }

  /* List page (posts list) */
  .list-shell {
    max-width: var(--container-prose);
    margin: 0 auto;
    padding: var(--sp-8) 24px var(--sp-9);
  }
  .list-shell h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 640;
    letter-spacing: -0.018em;
    margin: 0 0 var(--sp-7);
  }
  .list-shell .writing-list { margin-top: var(--sp-5); }

  /* Generic content (fallback for non-prose pages) */
  main.content {
    max-width: var(--container-prose);
    margin: 0 auto;
    padding: var(--sp-7) 24px;
    font-family: var(--font-serif);
    font-size: var(--fs-18);
    line-height: 1.7;
  }
  main.content > div[style] { text-align: left !important; }
  main.content > div > h1 {
    font-size: var(--fs-44);
    font-weight: 640;
    letter-spacing: -0.018em;
    text-align: left;
    margin: 0 0 var(--sp-3);
  }
  main.content > div > hr { display: none; }
  main.content .body-text { margin-top: var(--sp-6); }
}

/* ---------- Shortcode + theme overrides ---------- */
@layer shortcodes {
  /* Theme block shortcodes (note/tip/warning/etc) — restyle */
  .note, .important, .tip, .info, .caution, .warning, .reminder {
    background: var(--surface-soft);
    background-image: none !important;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent-soft);
    border-radius: var(--r-sm);
    padding: var(--sp-4) var(--sp-5);
    margin: 1.6em 0;
    font-family: var(--font-serif);
    font-size: var(--fs-18);
    color: var(--ink);
    min-height: 0;
  }
  .warning, .caution { border-left-color: var(--warm); }
  .tip, .info { border-left-color: var(--accent); }
  .reminder { border-left-color: var(--warm); padding-left: var(--sp-5); background-image: none !important; }

  /* Splitbox */
  div.splitbox {
    border-top: 1px solid var(--line-strong);
    padding: var(--sp-5) 0;
    margin: 1.4em 0;
  }
  div.splitbox div.left { color: var(--ink-muted); }

  /* Wide / fullwidth (kept) */
  .wide { width: 90vw; margin-left: calc(44% - 42vw); display: flex; }
  .wide-single { width: 90vw; margin-left: calc(44% - 42vw); }
  .fullwidth { width: 100vw; margin-left: calc(50% - 50vw); }
  .column { flex: 50%; padding: 0.05px; }

  /* Header anchors */
  .header-anchor {
    display: inline-block;
    margin-left: 0.4em;
    color: var(--ink-faint);
    opacity: 0;
    text-decoration: none;
    transition: opacity var(--dur) var(--ease);
    font-weight: 400;
  }
  h1:hover .header-anchor,
  h2:hover .header-anchor,
  h3:hover .header-anchor,
  h4:hover .header-anchor { opacity: 1; }
  .header-anchor:hover, .header-anchor:focus {
    background: transparent;
    color: var(--accent);
  }
}

/* ---------- Utilities + responsive ---------- */
@layer utilities {
  .visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
  }

  @media (max-width: 1024px) {
    .home-shell { padding: 56px 22px 40px; }
    .home-hero { gap: 40px; grid-template-columns: minmax(0, 1.4fr) minmax(240px, 1fr); }
    .split-section { grid-template-columns: minmax(0, 1fr) 280px; gap: var(--sp-6); }
    .post-article .post-header { padding-right: 0; }
  }

  @media (max-width: 768px) {
    body { font-size: var(--fs-16); }
    .site-nav { padding: 12px 18px; gap: var(--sp-3); }
    .nav-cluster { gap: var(--sp-3); }
    .home-shell { padding: 40px 18px 32px; }
    .home-hero {
      grid-template-columns: 1fr;
      gap: var(--sp-6);
    }
    .home-hero h1 { font-size: clamp(2.25rem, 8vw, 3rem); }
    .home-deck { font-size: var(--fs-18); }
    .home-portrait { justify-self: start; max-width: 280px; }
    .focus-list { grid-template-columns: 1fr; gap: var(--sp-5); }
    .focus-list article {
      padding: var(--sp-5) 0 0;
      border-left: 0;
      border-top: 1px solid var(--line);
    }
    .focus-list article:first-child { padding-top: 0; border-top: 0; }
    .split-section { grid-template-columns: 1fr; gap: var(--sp-7); }
    .resource-callout { position: static; }
    .writing-item { grid-template-columns: 1fr; gap: 4px; }
    .writing-item time { margin-bottom: var(--sp-1); }
    .home-section { margin-top: var(--sp-7); }

    .reading-layout { padding: var(--sp-6) 18px var(--sp-8); }
    .post-article h1.post-title { font-size: clamp(2rem, 7vw, 2.5rem); }
    .prose { font-size: var(--fs-18); }
    .prose h2 { font-size: var(--fs-24); }
    .prose h3 { font-size: var(--fs-20); }
    .pullquote { margin: 1.6em 0; font-size: var(--fs-20); }
    .wide, .wide-single, .fullwidth { width: 100%; margin-left: 0; }
  }

  @media (max-width: 480px) {
    .home-hero h1 { font-size: 2rem; letter-spacing: -0.012em; }
    .button-primary, .button-secondary { width: 100%; }
  }
}

/* ---------- Print ---------- */
@layer print {
  @media print {
    :root {
      --bg: #fff; --surface: #fff; --surface-soft: #fff;
      --ink: #000; --ink-muted: #333; --ink-faint: #555;
      --line: #ccc; --accent: #000; --warm: #000;
    }
    .site-header, .post-toc, .scroll-progress, .theme-toggle, .lang-toggle,
    .home-actions, .home-portrait, .resource-callout, .article-toolbar,
    .post-pager, .back-to-top, .site-footer, .skip-link { display: none !important; }
    body { font-size: 11pt; line-height: 1.55; }
    .reading-layout { display: block; padding: 0; }
    .prose { font-size: 11pt; max-width: none; }
    .prose a { color: #000; text-decoration: underline; }
    .prose a[href^="http"]::after {
      content: " (" attr(href) ")";
      font-size: 9pt;
      color: #555;
    }
    .prose pre code { white-space: pre-wrap; word-break: break-word; }
  }
}