/* ==========================================================================
   abdulazizhu.com — design system
   Minimal, Apple-inspired. Light by default, dark via [data-theme="dark"].
   Hand-written vanilla CSS — no framework.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* surfaces */
  --bg:        #FBFBFD;
  --bg-elev:   #FFFFFF;
  --bg-soft:   #F5F5F7;
  --bg-soft-2: #EDEDF0;
  --border:    rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);

  /* text */
  --text:      #1D1D1F;
  --text-dim:  #6E6E73;
  --text-faint:#98989D;

  /* accent */
  --accent:       #0071E3;
  --accent-hover: #0077ED;
  --accent-text:  #FFFFFF;
  --accent-soft:  #D9F0FF;

  /* chrome */
  --nav-bg:    rgba(251, 251, 253, 0.68);
  --drawer-bg: rgba(255, 255, 255, 0.78);
  --glass-blur: 60px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 1px rgba(0,0,0,0.03);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.10), 0 8px 20px rgba(0,0,0,0.06);
  --ring: 0 0 0 4px var(--accent-soft);

  /* code */
  --code-bg: #F5F5F7;
  --code-text: #1D1D1F;
  --code-border: rgba(0,0,0,0.08);

  /* type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-ar:   'IBM Plex Sans Arabic', 'Segoe UI', sans-serif;

  /* geometry */
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
  --r-full: 999px;

  --nav-h: 64px;
  --max-w: 720px;
  --max-w-wide: 980px;
  --font-scale: 1;
  --banner-offset: 0px;

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --t-fast: 160ms;
  --t-med:  280ms;
  --t-slow: 480ms;

  color-scheme: light;
}

html[data-theme="dark"] {
  --bg:        #000000;
  --bg-elev:   #1C1C1E;
  --bg-soft:   #161617;
  --bg-soft-2: #232325;
  --border:    rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);

  --text:      #F5F5F7;
  --text-dim:  #A1A1A6;
  --text-faint:#6E6E73;

  --accent:       #2997FF;
  --accent-hover: #4DA8FF;
  --accent-text:  #FFFFFF;
  --accent-soft:  rgba(41, 151, 255, 0.22);

  --nav-bg:    rgba(0, 0, 0, 0.55);
  --drawer-bg: rgba(18, 18, 20, 0.82);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.55);
  --ring: 0 0 0 4px var(--accent-soft);

  --code-bg: #1C1C1E;
  --code-text: #F5F5F7;
  --code-border: rgba(255,255,255,0.08);

  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

::selection {
  background: var(--accent-soft);
  color: var(--accent);
}

html {
  font-size: calc(16px * var(--font-scale));
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t-med) var(--ease-out), color var(--t-med) var(--ease-out);
}

[dir="rtl"] body, [dir="rtl"] p, [dir="rtl"] li,
[dir="rtl"] .hero-name, [dir="rtl"] .hero-tagline, [dir="rtl"] .hero-body p,
[dir="rtl"] .about-section p, [dir="rtl"] .blog-post-body,
[dir="rtl"] .blog-post-title, [dir="rtl"] .blog-card-title,
[dir="rtl"] .blog-card-desc, [dir="rtl"] .link-card-name, [dir="rtl"] .link-card-handle {
  font-family: var(--font-ar);
}

img, video, audio, iframe { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

input {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
/* Wider column for pages whose content wants more room (blog list + post). */
.container-wide { max-width: var(--max-w-wide); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Scroll progress bar (lives inside the pill, clipped to it) ---------- */
.scroll-bar {
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  z-index: 2;
  transition: width 80ms linear;
  border-radius: 0 var(--r-full) var(--r-full) 0;
}

/* ---------- Nav ----------
   Chrome (nav, drawer, floating buttons) stays LTR-anchored on purpose —
   the hamburger/theme toggle should always sit top-right regardless of
   the active language. Only in-page content mirrors for RTL. */
#nav {
  position: sticky;
  top: max(12px, env(safe-area-inset-top));
  z-index: 100;
  padding: 0 16px;
  margin-bottom: calc(var(--banner-offset) * -1 + 40px);
  transition: margin var(--t-med) var(--ease-out);
  direction: ltr;
}

.nav-inner {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 52px;
  padding: 0 8px 0 20px;
  background: var(--nav-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--t-med) var(--ease-out), background var(--t-med) var(--ease-out), border-color var(--t-med) var(--ease-out);
}
#nav.scrolled .nav-inner { box-shadow: var(--shadow-lg); }

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo .dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}
.nav-links li { display: flex; }
.nav-links a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out);
}
.nav-links a:hover { color: var(--text); background: var(--bg-soft); }
.nav-links a.active { color: var(--accent); background: var(--accent-soft); }

.nav-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  /* Always pinned to the right edge of the pill — even when .nav-links
     collapses to nothing on mobile and stops acting as a spacer. */
  margin-left: auto;
}

.icon-btn, .theme-toggle-btn, .lang-btn, .rss-btn, .nav-hamburger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: var(--r-full);
  color: var(--text-dim);
  transition: color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.icon-btn:hover, .theme-toggle-btn:hover, .rss-btn:hover, .nav-hamburger:hover { background: var(--bg-soft); color: var(--text); }
.theme-toggle-btn:active { transform: scale(0.9); }

/* Theme icon: both glyphs sit dead-center on top of each other and
   cross-fade + rotate, so alignment never depends on which one is active. */
.theme-toggle-btn .icon-moon,
.theme-toggle-btn .icon-sun {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--t-med) var(--ease-out), transform var(--t-slow) var(--ease-spring);
}
.theme-toggle-btn .icon-sun { opacity: 0; transform: rotate(-90deg) scale(0.5); }
.theme-toggle-btn .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }
html[data-theme="dark"] .theme-toggle-btn .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.5); }
html[data-theme="dark"] .theme-toggle-btn .icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }

.lang-btn {
  width: auto;
  padding: 0 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
}

.nav-hamburger { flex-direction: column; gap: 4px; }
.nav-hamburger span { width: 16px; height: 1.5px; background: currentColor; border-radius: 2px; transition: transform var(--t-fast), opacity var(--t-fast); }

/* Hamburger is desktop-hidden by default; it (and the theme toggle) take
   over the top-right slot on narrow screens, same physical position either way. */
.nav-hamburger { display: none; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .rss-btn { display: none; }
  .lang-btn { padding: 0 10px; }
  .nav-inner { padding-right: 6px; }
}

/* ---------- Mobile drawer ---------- */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.32);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out);
  z-index: 200;
}
.mobile-overlay.open { opacity: 1; pointer-events: auto; }

.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(320px, 84vw);
  background: var(--drawer-bg);
  backdrop-filter: blur(32px) saturate(1.8);
  -webkit-backdrop-filter: blur(32px) saturate(1.8);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--t-med) var(--ease-out);
  z-index: 201;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: max(20px, env(safe-area-inset-top)) 20px 24px;
  direction: ltr;
}
/* Drawer always opens from the same physical edge as the hamburger,
   regardless of language — only the text inside adapts. */
.mobile-drawer.open { transform: translateX(0); }
[dir="rtl"] .mobile-drawer-nav a,
[dir="rtl"] .mobile-font-label { direction: rtl; text-align: right; }

.mobile-drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.mobile-drawer-logo { font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem; }
.mobile-drawer-logo .dot { color: var(--accent); }

.mobile-drawer-nav ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-drawer-nav a {
  display: block;
  padding: 12px 14px;
  border-radius: var(--r-md);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-dim);
}
.mobile-drawer-nav a.active { color: var(--accent); background: var(--accent-soft); }
.drawer-rss-link { display: flex !important; align-items: center; gap: 8px; }

.mobile-drawer-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
.mobile-theme-row, .mobile-font-row { display: flex; align-items: center; justify-content: space-between; }
.mobile-font-label { font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Buttons / pills ---------- */
.pill {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border-radius: var(--r-full);
  padding: 2px;
  gap: 2px;
}
.pill-btn {
  padding: 6px 10px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: background var(--t-fast), color var(--t-fast);
}
.pill-btn:hover { color: var(--text); background: var(--bg-elev); }

/* Custom select (sort / etc.) */
.custom-select-wrap { position: relative; }
.custom-select {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.custom-select:hover, .custom-select.open { background: var(--bg-soft-2); color: var(--text); }
.custom-select svg:last-child { transition: transform var(--t-fast) var(--ease-out); }
.custom-select.open svg:last-child { transform: rotate(180deg); }

.custom-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity var(--t-fast) var(--ease-out), transform var(--t-fast) var(--ease-out);
  z-index: 50;
  max-height: 320px;
  overflow-y: auto;
}
[dir="rtl"] .custom-dropdown { right: auto; left: 0; }
.custom-dropdown.open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }

.custom-option {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: background var(--t-fast);
}
.custom-option:hover { background: var(--bg-soft); color: var(--text); }
.custom-option.selected { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.custom-option .check-icon { opacity: 0; }
.custom-option.selected .check-icon { opacity: 1; }

/* ---------- Page shell ---------- */
main#main { flex: 1; }

.page {
  padding: 56px 0 96px;
  animation: page-in var(--t-slow) var(--ease-out);
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ---------- Hero (home) ---------- */
.hero-top {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
}
.hero-avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  padding: 3px;
  background: var(--accent);
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  perspective: 400px;
}
.hero-avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--bg-elev);
  transform-style: preserve-3d;
  will-change: transform;
}
/* Easter egg: click the avatar and it flips like a coin. */
.hero-avatar img.coin-flip { animation: coin-flip 700ms cubic-bezier(.36,.07,.19,.97); }
@keyframes coin-flip {
  0%   { transform: rotateY(0deg); }
  45%  { transform: rotateY(200deg) scale(0.86); }
  55%  { transform: rotateY(190deg) scale(0.86); }
  100% { transform: rotateY(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-avatar img.coin-flip { animation: none; }
}
.hero-name {
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.hero-handle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.hero-tagline {
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.55;
  max-width: 46ch;
}

.hero-body p { color: var(--text-dim); margin-bottom: 14px; max-width: 60ch; }
.hero-body { margin-bottom: 8px; }

.hero-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.hero-social a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.hero-social a:hover { background: var(--bg-elev); border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* ---------- About ---------- */
.about-section {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.about-section:last-child { border-bottom: none; }
.about-section h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  color: var(--text);
}
.about-section p {
  color: var(--text-dim);
  max-width: 60ch;
  margin-bottom: 10px;
}
.about-section p:last-child { margin-bottom: 0; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 7px 14px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: background var(--t-fast), color var(--t-fast);
}
.tag:hover { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

.now-list { display: flex; flex-direction: column; gap: 10px; }
.now-list li {
  position: relative;
  padding-left: 20px;
  color: var(--text-dim);
  font-size: 0.95rem;
}
[dir="rtl"] .now-list li { padding-left: 0; padding-right: 20px; }
.now-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
[dir="rtl"] .now-list li::before { left: auto; right: 0; }

/* ---------- Links page ---------- */
.links-grid { display: flex; flex-direction: column; gap: 10px; }
.link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-radius: var(--r-lg);
  background: var(--bg-soft);
  border: 1px solid transparent;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.link-card:hover {
  background: var(--bg-elev);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.link-card-left { display: flex; align-items: center; gap: 14px; }
.link-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.si-icon { border-radius: 3px; }
html[data-theme="dark"] .si-icon { filter: invert(1) brightness(1.6); }
.link-card-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 2px; }
.link-card-handle { font-size: 0.82rem; color: var(--text-faint); font-family: var(--font-mono); }
.link-card-arrow {
  color: var(--text-faint);
  transition: transform var(--t-fast) var(--ease-out), color var(--t-fast);
}
.link-card:hover .link-card-arrow { transform: translateX(3px); color: var(--accent); }
[dir="rtl"] .link-card:hover .link-card-arrow { transform: translateX(-3px); }

/* ---------- Blog list ---------- */
.blog-controls { margin-bottom: 28px; }
.blog-search-wrap {
  position: relative;
  margin-bottom: 14px;
}
.blog-search-icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-faint); pointer-events: none;
}
[dir="rtl"] .blog-search-icon { left: auto; right: 16px; }
.blog-search {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  border: 1px solid transparent;
  font-size: 0.9rem;
  transition: background var(--t-fast), border-color var(--t-fast);
}
[dir="rtl"] .blog-search { padding: 13px 42px 13px 16px; }
.blog-search::placeholder { color: var(--text-faint); }
.blog-search:focus { background: var(--bg-elev); border-color: var(--accent); }

.blog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.blog-toolbar-left { display: flex; align-items: center; gap: 10px; }
.blog-sort-label { font-size: 0.78rem; color: var(--text-faint); }
.blog-count { font-size: 0.78rem; color: var(--text-faint); font-family: var(--font-mono); }

.blog-list { display: flex; flex-direction: column; gap: 10px; }
.blog-card {
  display: block;
  padding: 20px 22px;
  border-radius: var(--r-lg);
  background: var(--bg-soft);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.blog-card:hover, .blog-card:focus-visible {
  background: var(--bg-elev);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.blog-card-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.blog-card-title { font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.blog-card-arrow { color: var(--text-faint); flex-shrink: 0; transition: transform var(--t-fast) var(--ease-out), color var(--t-fast); }
.blog-card:hover .blog-card-arrow { transform: translateX(3px); color: var(--accent); }
[dir="rtl"] .blog-card:hover .blog-card-arrow { transform: translateX(-3px); }
.blog-card-desc { color: var(--text-dim); font-size: 0.88rem; margin-top: 6px; line-height: 1.5; }
.blog-card-date { color: var(--text-faint); font-size: 0.76rem; font-family: var(--font-mono); margin-top: 10px; }

.blog-empty, .blog-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-faint);
  font-size: 0.9rem;
}

/* ---------- Blog post ---------- */
.blog-post { display: block; max-width: 760px; margin: 0 auto; }
/* The two-column grid (article + TOC) only kicks in once the TOC sidebar
   itself is visible — otherwise it was reserving an invisible 200px + 48px
   gap column and squeezing the article on mobile. */
.blog-post--with-toc { max-width: 760px; }
@media (min-width: 900px) {
  .blog-post--with-toc {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 48px;
    align-items: start;
    max-width: 940px;
    margin: 0 auto;
  }
}

/* Blog list stays at a comfortable reading/scanning width even though the
   page container itself is wide (so post pages can use that extra room). */
#blog-list-view { max-width: 720px; margin: 0 auto; }

.blog-post-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-faint);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 28px;
  transition: color var(--t-fast), gap var(--t-fast);
}
.blog-post-back:hover { color: var(--accent); }

.blog-post-header { margin-bottom: 36px; }
.blog-post-title {
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.blog-post-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.blog-post-date { color: var(--text-faint); font-size: 0.82rem; font-family: var(--font-mono); }
.blog-share-bar { display: flex; gap: 8px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: var(--r-full);
  background: var(--bg-soft);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: background var(--t-fast), color var(--t-fast);
}
.share-btn:hover { background: var(--accent-soft); color: var(--accent); }

.blog-post-body { color: var(--text); font-size: 1rem; }
.blog-post-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 42px 0 16px;
  scroll-margin-top: 90px;
}
.blog-post-body h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 30px 0 12px;
  scroll-margin-top: 90px;
}
.blog-post-body p { color: var(--text-dim); margin-bottom: 18px; line-height: 1.75; }
.blog-post-body strong { color: var(--text); font-weight: 600; }
.blog-post-body em { font-style: italic; }
.blog-post-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--accent-soft); }
.blog-post-body a:hover { text-decoration-color: var(--accent); }
.blog-post-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  padding: 2px 6px;
  border-radius: 5px;
}
.blog-post-body pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--r-md);
  padding: 18px 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}
.blog-post-body pre code {
  background: none; border: none; padding: 0;
  font-size: 0.84rem; line-height: 1.65; color: var(--code-text);
}
.blog-post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
  color: var(--text-dim);
  font-style: italic;
}
[dir="rtl"] .blog-post-body blockquote { border-left: none; border-right: 3px solid var(--accent); padding: 4px 20px 4px 0; }
.blog-post-body blockquote p { margin-bottom: 6px; }
.blog-post-body ul, .blog-post-body ol { margin: 0 0 20px; padding-left: 22px; }
[dir="rtl"] .blog-post-body ul, [dir="rtl"] .blog-post-body ol { padding-left: 0; padding-right: 22px; }
.blog-post-body ul { list-style: disc; }
.blog-post-body ol { list-style: decimal; }
.blog-post-body li { color: var(--text-dim); margin-bottom: 8px; line-height: 1.6; }
.blog-post-body hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }
.blog-post-body table { width: 100%; border-collapse: collapse; margin: 20px 0 24px; font-size: 0.92rem; }
.blog-post-body th, .blog-post-body td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
[dir="rtl"] .blog-post-body th, [dir="rtl"] .blog-post-body td { text-align: right; }
.blog-post-body th { background: var(--bg-soft); font-weight: 600; color: var(--text); }
.blog-post-body td { color: var(--text-dim); }
.blog-post-body img {
  width: 100%;
  border-radius: var(--r-lg);
  margin: 24px 0;
  border: 1px solid var(--border);
  cursor: zoom-in;
}
.blog-post-body audio, .blog-post-body video { width: 100%; margin: 20px 0; border-radius: var(--r-lg); }
.blog-post-body video { border: 1px solid var(--border); }
/* Hugo's built-in {{< youtube >}} shortcode emits its own inline-styled
   16:9 wrapper div (no class) — style it to match the site's cards. */
.blog-post-body div[style*="padding-bottom"] {
  margin: 24px 0 !important;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.embed-wrap {
  position: relative;
  padding-top: 56.25%;
  margin: 24px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.embed-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

.blog-post-footer { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 20px; }
.blog-share-bar--bottom { justify-content: flex-start; }
.blog-post-back--bottom { margin-bottom: 0; }

/* TOC */
.toc-sidebar { position: sticky; top: calc(var(--nav-h) + 24px); align-self: start; display: none; }
@media (min-width: 900px) { .toc-sidebar { display: block; } }
.toc-label { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); margin-bottom: 12px; }
.toc-nav > ul { display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--border); list-style: none; padding: 0; margin: 0; }
[dir="rtl"] .toc-nav > ul { border-left: none; border-right: 1px solid var(--border); }
.toc-nav a {
  display: block;
  padding: 6px 0 6px 14px;
  font-size: 0.82rem;
  color: var(--text-faint);
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}
[dir="rtl"] .toc-nav a { padding: 6px 14px 6px 0; border-left: none; border-right: 2px solid transparent; margin-left: 0; margin-right: -1px; }
.toc-nav ul ul { list-style: none; padding: 0; margin: 0; }
.toc-nav ul ul a { padding-left: 26px; font-size: 0.78rem; }
[dir="rtl"] .toc-nav ul ul a { padding-left: 0; padding-right: 26px; }
.toc-nav a:hover { color: var(--text); }
.toc-nav a.toc-active { color: var(--accent); border-color: var(--accent); font-weight: 500; }

/* ---------- Footer ---------- */
footer#footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 max(32px, env(safe-area-inset-bottom));
  margin-top: 40px;
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.footer-copy { font-size: 0.8rem; color: var(--text-faint); }
.footer-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-links a, .footer-credits-btn {
  font-size: 0.8rem;
  color: var(--text-faint);
  transition: color var(--t-fast);
}
.footer-links a:hover, .footer-credits-btn:hover { color: var(--accent); }

/* ---------- Credits modal ---------- */
.credits-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out);
  z-index: 300;
}
.credits-overlay.open { opacity: 1; pointer-events: auto; }
.credits-modal {
  position: fixed;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0.94);
  width: min(420px, 90vw);
  max-height: 80vh;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out), transform var(--t-med) var(--ease-spring);
  z-index: 301;
  display: flex;
  flex-direction: column;
}
.credits-modal.open { opacity: 1; transform: translate(-50%, -50%) scale(1); pointer-events: auto; }
.credits-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.credits-modal-title { font-weight: 600; font-size: 0.95rem; }
.credits-modal-body { padding: 20px 22px; overflow-y: auto; }
.credits-modal-body > p { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 16px; line-height: 1.6; }
.credits-list { display: flex; flex-direction: column; gap: 10px; }
.credits-list li { font-size: 0.85rem; color: var(--text-faint); }
.credits-list a { color: var(--accent); font-weight: 500; }
.credits-list a:hover { text-decoration: underline; }

/* ---------- Announcement banner ---------- */
.announcement-banner {
  position: relative;
  height: 32px;
  background: var(--accent);
  color: var(--accent-text);
  display: flex; align-items: center;
  z-index: 150;
  overflow: hidden;
}
.banner-content { flex: 1; overflow: hidden; padding: 0 44px 0 16px; height: 100%; display: flex; align-items: center; }
[dir="rtl"] .banner-content { padding: 0 16px 0 44px; }
.banner-content.banner-scrollable { overflow-x: auto; }
.banner-track { display: flex; gap: 56px; white-space: nowrap; width: max-content; }
.banner-track.banner-static { justify-content: center; width: 100%; }
.banner-track.banner-marquee { animation: banner-scroll var(--marquee-duration, 15s) linear infinite; }
@keyframes banner-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-1 * var(--marquee-distance, 100%))); }
}
[dir="rtl"] .banner-track.banner-marquee { animation-direction: reverse; }
.banner-item { font-size: 0.8rem; font-weight: 500; }
.banner-link { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.banner-close {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--accent-text);
  background: rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0.9;
  transition: opacity var(--t-fast), background var(--t-fast);
}
[dir="rtl"] .banner-close { right: auto; left: 10px; }
.banner-close:hover { opacity: 1; background: rgba(0, 0, 0, 0.22); }

/* ---------- Lightbox ---------- */
.img-lightbox {
  position: fixed; inset: 0;
  z-index: 400;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-med) var(--ease-out);
}
.img-lightbox.open { opacity: 1; pointer-events: auto; }
.lb-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px); }
.lb-content { position: relative; max-width: 92vw; max-height: 92vh; }
.lb-img { max-width: 92vw; max-height: 92vh; border-radius: var(--r-md); box-shadow: var(--shadow-lg); }
.lb-close {
  position: absolute; top: -44px; right: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast);
}
.lb-close:hover { background: rgba(255,255,255,0.22); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--t-fast), transform var(--t-fast) var(--ease-out), visibility var(--t-fast), background var(--t-fast), color var(--t-fast);
  z-index: 90;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent); color: #fff; border-color: transparent; }

/* ---------- Error pages ---------- */
.error-page {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding-top: 40px;
}
.error-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}
.error-code {
  position: relative;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(4.5rem, 18vw, 8rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
  margin-bottom: 8px;
}
.error-code .glitch-layer { position: absolute; inset: 0; opacity: 0; }
.error-code.glitching .g1 { opacity: 0.6; color: var(--accent); transform: translate(3px, -2px); animation: glitch-a 0.9s steps(2) 1; }
.error-code.glitching .g2 { opacity: 0.6; color: #FF6B9D; transform: translate(-3px, 2px); animation: glitch-b 0.9s steps(2) 1; }
@keyframes glitch-a { 0%,100% { opacity: 0; } 20%,60% { opacity: 0.6; } }
@keyframes glitch-b { 0%,100% { opacity: 0; } 30%,70% { opacity: 0.6; } }

.error-icon-float { color: var(--text-faint); margin-bottom: 20px; animation: float-y 3.4s ease-in-out infinite; }
@keyframes float-y { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.error-title { font-size: clamp(1.3rem, 3.4vw, 1.7rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 28px; }

.error-punchline-wrap {
  max-width: 480px;
  padding: 22px 26px;
  border-radius: var(--r-lg);
  background: var(--bg-soft);
  margin-bottom: 32px;
  position: relative;
}
.error-quote-mark { position: absolute; top: 4px; left: 16px; font-size: 2.4rem; color: var(--border-strong); font-family: Georgia, serif; line-height: 1; }
.error-theory-label { display: block; font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); margin-bottom: 8px; }
.error-punchline { font-size: 0.95rem; color: var(--text-dim); line-height: 1.55; transition: opacity 150ms ease; margin-bottom: 14px; }
.error-punchline.swapping { opacity: 0; }
.error-reroll {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-full);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 0.78rem; font-weight: 500;
  color: var(--text-dim);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.error-reroll:hover { color: var(--accent); border-color: var(--accent); }
.lucide-icon-spin { display: inline-flex; }
.error-reroll:active .lucide-icon-spin { animation: spin-360 500ms var(--ease-out); }
@keyframes spin-360 { to { transform: rotate(360deg); } }

.error-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.error-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px;
  border-radius: var(--r-full);
  font-size: 0.85rem; font-weight: 500;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.error-btn-ghost { background: var(--bg-soft); color: var(--text); }
.error-btn-ghost:hover { background: var(--bg-soft-2); transform: translateY(-1px); }
.error-btn-primary { background: var(--accent); color: var(--accent-text); }
.error-btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .page { padding: 40px 0 72px; }
  .hero-top { gap: 16px; }
  .hero-avatar { width: 68px; height: 68px; }
  .blog-toolbar { flex-direction: column; align-items: flex-start; }
  .back-to-top { right: 16px; bottom: 16px; }
}