/* =========================================================
   style.css — محمد اکبری
   Tokens · Base · Layout · Components
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --bg:           #0b0d12;
  --bg-elev:      #12151d;
  --bg-alt:       #0f1219;
  --border:       #232936;
  --border-soft:  #1a1f2a;
  --text:         #e8ebf1;
  --text-muted:   #9aa3b4;
  --text-dim:     #6b7488;

  --accent:       #7c5cff;
  --accent-hover: #8f75ff;
  --accent-soft:  rgba(124, 92, 255, 0.14);
  --accent-2:     #22d3ee;

  --grad: linear-gradient(120deg, #7c5cff 0%, #22d3ee 100%);
  --grad-text: linear-gradient(120deg, #a48bff 0%, #67e8f9 100%);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.25);
  --shadow-md: 0 10px 30px -12px rgba(0,0,0,.55);
  --shadow-lg: 0 30px 60px -25px rgba(124,92,255,.35);

  --font-sans: 'Vazirmatn', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-full: 999px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --dur: 220ms;

  --container: 1160px;
  --header-h: 68px;
}

[data-theme="light"] {
  --bg:           #f6f7fb;
  --bg-elev:      #ffffff;
  --bg-alt:       #eef0f6;
  --border:       #e0e4ec;
  --border-soft:  #eceff5;
  --text:         #12151d;
  --text-muted:   #55607a;
  --text-dim:     #8791a5;

  --accent:       #5b3df5;
  --accent-hover: #4a2fe0;
  --accent-soft:  rgba(91, 61, 245, 0.10);
  --accent-2:     #0891b2;
  --grad-text: linear-gradient(120deg, #5b3df5 0%, #0891b2 100%);

  --shadow-sm: 0 1px 2px rgba(18,21,29,.06);
  --shadow-md: 0 10px 30px -12px rgba(18,21,29,.12);
  --shadow-lg: 0 30px 60px -25px rgba(91,61,245,.22);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur) var(--ease),
  color var(--dur) var(--ease);
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
svg { width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

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

.skip-link {
  position: fixed;
  inset-block-start: -100px;
  inset-inline-start: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  transition: inset-block-start var(--dur) var(--ease);
}
.skip-link:focus { inset-block-start: 12px; }

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 32px);
}
.section { padding-block: clamp(56px, 8vw, 96px); }
.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border-soft);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-block-end: 36px;
  flex-wrap: wrap;
}
.section-title {
  font-size: clamp(1.4rem, 1rem + 1.4vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.4;
}
.section-desc { color: var(--text-muted); margin-block-start: 6px; font-size: .95rem; }
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--accent);
  transition: gap var(--dur) var(--ease);
}
.section-link svg { width: 16px; height: 16px; }
.section-link:hover { gap: 12px; }

/* ---------- 4. Header ---------- */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-block-end: 1px solid var(--border-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  flex-shrink: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--grad);
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  line-height: 1;
  box-shadow: var(--shadow-lg);
}
.nav { display: flex; gap: 4px; margin-inline-start: auto; flex-wrap: wrap; }
.nav a {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--dur), background-color var(--dur);
}
.nav a:hover { color: var(--text); background: var(--accent-soft); }
.nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 700;
}
.header-actions { display: flex; gap: 6px; flex-shrink: 0; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: color var(--dur), background-color var(--dur), border-color var(--dur);
}
.icon-btn:hover {
  color: var(--text);
  background: var(--bg-elev);
  border-color: var(--border);
}
.icon-btn svg { width: 20px; height: 20px; }

.ico-sun, .ico-moon { display: none; }
[data-theme="dark"]  .ico-sun  { display: block; }
[data-theme="light"] .ico-moon { display: block; }

.menu-btn { display: none; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-full);
  font-weight: 600;
  font-size: .95rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease),
  background-color var(--dur),
  color var(--dur),
  box-shadow var(--dur),
  border-color var(--dur);
}
.btn svg { width: 18px; height: 18px; }
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.btn-primary:hover { transform: translateY(-2px); }

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(48px, 7vw, 88px) clamp(56px, 8vw, 96px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset-block-start: -30%;
  inset-inline-end: -10%;
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero-text { max-width: 620px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--bg-elev);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-block-end: 22px;
}
.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34,197,94,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.6); }
  70%  { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.hero-title {
  font-size: clamp(2rem, 1.2rem + 3.4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.02em;
  margin-block-end: 20px;
}
.grad {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: clamp(1rem, .95rem + .3vw, 1.12rem);
  color: var(--text-muted);
  line-height: 1.9;
  margin-block-end: 30px;
  max-width: 55ch;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-block-end: 44px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 0;
  list-style: none;
  border-block-start: 1px solid var(--border-soft);
  padding-block-start: 26px;
}
.stat strong {
  display: block;
  font-size: clamp(1.4rem, 1rem + 1.4vw, 1.9rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.stat span { font-size: .82rem; color: var(--text-dim); font-weight: 500; }

.hero-visual { position: relative; }

.window {
  position: relative;
  z-index: 1;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md), var(--shadow-lg);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: left;
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--bg-alt);
  border-block-end: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }
.window-title {
  margin-inline-start: auto;
  font-family: var(--font-sans);
  font-size: .78rem;
  color: var(--text-dim);
}
.window-body {
  margin: 0;
  padding: 20px 22px;
  font-size: .82rem;
  line-height: 1.85;
  color: var(--text-muted);
  overflow-x: auto;
  direction: ltr;
}
.window-body code { font-family: inherit; }
.tk-key  { color: #c792ea; }
.tk-type { color: #82aaff; }
.tk-fn   { color: #82aaff; }
.tk-str  { color: #c3e88d; }
.tk-var  { color: #f78c6c; }
[data-theme="light"] .tk-key  { color: #7c3aed; }
[data-theme="light"] .tk-type { color: #2563eb; }
[data-theme="light"] .tk-fn   { color: #2563eb; }
[data-theme="light"] .tk-str  { color: #16a34a; }
[data-theme="light"] .tk-var  { color: #ea580c; }

.glow {
  position: absolute;
  inset: -20% -10% -30% -10%;
  background: radial-gradient(ellipse at center, var(--accent-soft), transparent 70%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

/* ---------- 7. Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-cards { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-tiles { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease),
  border-color var(--dur),
  box-shadow var(--dur),
  background-color var(--dur);
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow-md);
}
.card-title {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.55;
  margin-block-end: 8px;
  letter-spacing: -.01em;
}
.card-text {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.85;
  flex: 1;
}

.project-card .card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block-end: 14px;
}
.project-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-start: 16px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--r-full);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  font-size: .74rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  direction: ltr;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-block-start: 18px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--accent);
}
.card-link svg { width: 15px; height: 15px; }

.tile { text-align: start; padding: 26px 22px; min-height: 170px; }
.tile-icon {
  display: block;
  font-size: 1.8rem;
  line-height: 1;
  margin-block-end: 16px;
  filter: saturate(1.1);
}

/* ---------- 8. Posts list ---------- */
.list { display: flex; flex-direction: column; }
.list-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding-block: 22px;
  border-block-end: 1px solid var(--border-soft);
  transition: padding-inline var(--dur) var(--ease);
}
.list-item:first-child { border-block-start: 1px solid var(--border-soft); }
.list-item:hover { padding-inline-start: 8px; }
.list-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.6;
  margin-block-end: 6px;
  letter-spacing: -.005em;
  transition: color var(--dur);
}
.list-item:hover .list-title { color: var(--accent); }
.list-excerpt {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 70ch;
  margin-block-end: 10px;
}
.list-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: .8rem;
  color: var(--text-dim);
  font-weight: 500;
}
.list-meta .dot-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: .5;
}
.list-arrow {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: color var(--dur), background-color var(--dur), border-color var(--dur), transform var(--dur) var(--ease);
}
.list-arrow svg { width: 16px; height: 16px; }
.list-item:hover .list-arrow {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  transform: translateX(-4px);
}

/* ---------- 9. Footer ---------- */
.site-footer {
  border-block-start: 1px solid var(--border-soft);
  background: var(--bg-alt);
  padding-block: 28px;
  margin-block-start: 40px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-copy { font-size: .85rem; color: var(--text-dim); }
.socials { display: flex; gap: 20px; }
.socials a {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur);
}
.socials a:hover { color: var(--accent); }

/* ---------- 10. Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .pulse { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 11. Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 520px; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    padding: 16px;
    background: var(--bg-elev);
    border-block-end: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
    margin: 0;
    gap: 2px;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 12px 14px; font-size: 1rem; }
  .menu-btn { display: grid; }
}

@media (max-width: 620px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .section-head { align-items: flex-start; }
  .list-item { grid-template-columns: 1fr; }
  .list-arrow { display: none; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* =========================================================
   About strip روی خانه
   ========================================================= */
.about-section { padding-block: clamp(48px, 6vw, 80px); }
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
.about-text .section-title { margin-block-end: 16px; }
.about-text p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-block-end: 14px;
  max-width: 62ch;
}
.about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  list-style: none;
  margin: 0;
}
.fact {
  padding: 20px 18px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  text-align: center;
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.fact:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-2px);
}
.fact strong {
  display: block;
  font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -.02em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
  margin-block-end: 4px;
}
.fact span { font-size: .8rem; color: var(--text-muted); font-weight: 500; }

.project-sub {
  font-size: .78rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
  margin-block-end: 10px;
  margin-block-start: -4px;
}

/* ---------- سرصفحهٔ صفحات داخلی ---------- */
.page-hero {
  padding-block: clamp(48px, 6vw, 80px) clamp(20px, 3vw, 32px);
  border-block-end: 1px solid var(--border-soft);
  background:
          radial-gradient(ellipse at 90% -20%, var(--accent-soft), transparent 60%),
          var(--bg);
}
.page-title {
  font-size: clamp(2rem, 1.2rem + 3vw, 3rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-block: 12px 16px;
}
.page-hero .lead { max-width: 68ch; }

/* ---------- Featured project (Purser) ---------- */
.featured-project {
  padding: clamp(24px, 3vw, 40px);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-alt));
  position: relative;
  overflow: hidden;
}
.featured-project::before {
  content: "";
  position: absolute;
  inset-block-start: -40%;
  inset-inline-end: -15%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, var(--accent-soft), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.featured-project > * { position: relative; z-index: 1; }

.featured-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-block-end: 20px;
  flex-wrap: wrap;
}
.project-icon-lg { width: 60px; height: 60px; border-radius: 16px; font-size: 1.6rem; }
.featured-titles { display: flex; flex-direction: column; gap: 4px; }
.featured-badge {
  align-self: flex-start;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: var(--r-full);
}
.featured-title {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
}
.featured-sub {
  font-size: .85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
}
.featured-lead {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--text-muted);
  max-width: 78ch;
  margin-block-end: 28px;
}

.featured-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-block-end: 26px;
}
.feature {
  padding: 18px 18px;
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--bg) 55%, var(--bg-elev));
  border: 1px solid var(--border-soft);
}
.feature h3 { font-size: .95rem; font-weight: 700; margin-block-end: 6px; letter-spacing: -.005em; }
.feature p { font-size: .85rem; color: var(--text-muted); line-height: 1.8; }
.feature code {
  font-family: var(--font-mono);
  font-size: .78rem;
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  direction: ltr;
  display: inline-block;
}

.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-end: 24px;
}
.featured-actions { display: flex; flex-wrap: wrap; gap: 10px; }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-facts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .about-facts { grid-template-columns: 1fr 1fr; gap: 10px; }
  .featured-actions { flex-direction: column; align-items: stretch; }
  .featured-actions .btn { width: 100%; }
}

/* =========================================================
   Purser docs page
   ========================================================= */
.docs-hero { padding-block-end: clamp(28px, 4vw, 48px); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--text-dim);
  margin-block-end: 18px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-hidden] { color: var(--text-dim); opacity: .5; }

.docs-hero-head { max-width: 780px; }
.docs-hero-title .page-title {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.docs-version {
  font-size: .82rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: var(--r-full);
  direction: ltr;
}
.docs-tagline {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 68ch;
  margin-block: 16px 22px;
}
.docs-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-block-end: 24px; }
.docs-badge {
  font-size: .76rem;
  font-weight: 600;
  font-family: var(--font-mono);
  direction: ltr;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.docs-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.install-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: .8rem;
  direction: ltr;
  padding-inline: 16px 12px;
}
.install-copy code { background: none; border: 0; padding: 0; font-size: inherit; }
.install-copy.is-copied { color: #22c55e; border-color: #22c55e; }

.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(28px, 4vw, 48px) clamp(16px, 4vw, 32px) clamp(60px, 8vw, 96px);
}

.docs-toc {
  position: sticky;
  inset-block-start: calc(var(--header-h) + 20px);
  align-self: start;
  max-height: calc(100dvh - var(--header-h) - 40px);
  overflow-y: auto;
  padding-inline-end: 4px;
}
.toc-toggle {
  display: none;
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-weight: 600;
  font-size: .9rem;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.toc-toggle svg { transition: transform var(--dur) var(--ease); }
.toc-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-inline-start: 1px solid var(--border-soft);
}
.toc-list a {
  display: block;
  padding: 7px 14px;
  font-size: .85rem;
  color: var(--text-muted);
  border-inline-start: 2px solid transparent;
  margin-inline-start: -1px;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
  line-height: 1.5;
}
.toc-list a:hover { color: var(--text); }
.toc-list a.is-active {
  color: var(--accent);
  border-inline-start-color: var(--accent);
  font-weight: 600;
  background: var(--accent-soft);
}

.docs-content { min-width: 0; max-width: 760px; }
.docs-section {
  padding-block: 8px 40px;
  scroll-margin-block-start: calc(var(--header-h) + 20px);
}
.docs-section + .docs-section {
  border-block-start: 1px solid var(--border-soft);
  padding-block-start: 40px;
}
.docs-section h2 {
  font-size: clamp(1.4rem, 1rem + 1.4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.35;
  margin-block-end: 20px;
  text-wrap: balance;
}
.docs-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.005em;
  margin-block: 28px 12px;
  text-wrap: balance;
}
.docs-section h3:first-of-type { margin-block-start: 0; }
.docs-section p {
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text-muted);
  margin-block-end: 14px;
  text-wrap: pretty;
}
.docs-section p strong { color: var(--text); font-weight: 700; }
.docs-section p em { color: var(--text); font-style: normal; font-weight: 600; }
.docs-section p code,
.docs-section li code,
.docs-section td code,
.docs-section th code {
  font-family: var(--font-mono);
  font-size: .82rem;
  background: var(--bg-alt);
  padding: 2px 7px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  color: var(--text);
  direction: ltr;
  display: inline-block;
}
.docs-section a:not(.btn) {
  color: var(--accent);
  border-block-end: 1px solid transparent;
  transition: border-color var(--dur);
}
.docs-section a:not(.btn):hover { border-block-end-color: var(--accent); }

.docs-aside {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.9;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  margin-block: 20px;
}

.docs-list {
  padding-inline-start: 20px;
  margin-block: 14px 20px;
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text-muted);
}
.docs-list li { margin-block-end: 8px; }
.docs-list li strong { color: var(--text); }
.docs-list-num { padding-inline-start: 24px; }
.docs-list-num li { padding-inline-start: 4px; }

.code-block {
  position: relative;
  margin-block: 18px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  overflow: hidden;
}
.code-block pre {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.8;
  direction: ltr;
  text-align: left;
  color: var(--text);
  -webkit-overflow-scrolling: touch;
}
.code-block pre code { font-family: inherit; }
.code-block-output pre {
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: .78rem;
  line-height: 1.7;
}

.copy-btn {
  position: absolute;
  inset-block-start: 8px;
  inset-inline-end: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  font-size: .72rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-dim);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-soft);
  opacity: 0;
  transition: opacity var(--dur), color var(--dur), background-color var(--dur), border-color var(--dur);
}
.code-block:hover .copy-btn,
.copy-btn:focus-visible { opacity: 1; }
.copy-btn:hover { color: var(--text); border-color: var(--border); }
.copy-btn.is-copied { color: #22c55e; border-color: #22c55e; opacity: 1; }
.copy-btn svg { width: 13px; height: 13px; }

.callout {
  position: relative;
  padding: 16px 20px 16px 22px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  margin-block: 20px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--text-muted);
}
.callout::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 3px;
  border-start-start-radius: var(--r-md);
  border-end-start-radius: var(--r-md);
}
.callout p { margin: 0; font-size: inherit; color: inherit; line-height: inherit; }
.callout strong { color: var(--text); }
.callout code {
  font-family: var(--font-mono);
  font-size: .8rem;
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  direction: ltr;
  display: inline-block;
}
.callout-info::before { background: var(--accent); }
.callout-warn::before { background: #f59e0b; }
.callout-danger::before { background: #ef4444; }

.docs-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 18px;
  font-size: .88rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.docs-table th,
.docs-table td {
  padding: 11px 14px;
  text-align: start;
  line-height: 1.75;
  border-block-end: 1px solid var(--border-soft);
}
.docs-table thead th {
  background: var(--bg-alt);
  font-weight: 700;
  color: var(--text);
  font-size: .82rem;
}
.docs-table tbody tr:last-child td { border-block-end: 0; }
.docs-table tbody tr:hover { background: var(--bg-alt); }

.docs-table-config td:first-child {
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
  font-size: .8rem;
}

.pipeline-diagram {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-block: 24px;
}
.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.pipeline-step:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateX(-3px);
}
.pipeline-num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: .95rem;
  flex-shrink: 0;
  font-family: var(--font-sans);
}
.pipeline-step strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  margin-block-end: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
}
.pipeline-step p { font-size: .85rem; color: var(--text-muted); margin: 0; line-height: 1.75; }
.pipeline-step code {
  font-family: var(--font-mono);
  font-size: .76rem;
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--border-soft);
  direction: ltr;
  display: inline-block;
}

.driver-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-block: 20px;
}
.driver-card {
  padding: 22px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.driver-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-2px);
}
.driver-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-block-end: 12px;
  flex-wrap: wrap;
}
.driver-card h3 {
  font-size: 1rem;
  font-family: var(--font-mono);
  direction: ltr;
  margin: 0;
  font-weight: 700;
}
.driver-tag {
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--r-full);
  background: var(--accent-soft);
  color: var(--accent);
}
.driver-tag-alt {
  background: color-mix(in srgb, var(--accent-2) 15%, transparent);
  color: var(--accent-2);
}
.driver-card p {
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-block-end: 14px;
}
.driver-card code {
  font-family: var(--font-mono);
  font-size: .78rem;
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 5px;
  border: 1px solid var(--border-soft);
  direction: ltr;
  display: inline-block;
}
.driver-facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  margin: 0;
  padding-block-start: 14px;
  border-block-start: 1px solid var(--border-soft);
  font-size: .82rem;
}
.driver-facts dt { color: var(--text-dim); font-weight: 600; }
.driver-facts dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
  font-size: .8rem;
}

.docs-license {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px;
  border-radius: var(--r-md);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  margin-block: 16px;
}
.docs-license p { margin: 0; font-size: .9rem; color: var(--text-muted); }
.docs-license code {
  font-family: var(--font-mono);
  font-size: .82rem;
  background: var(--bg-elev);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  direction: ltr;
  display: inline-block;
}

.back-to-top {
  position: fixed;
  inset-block-end: 24px;
  inset-inline-start: 24px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur), visibility var(--dur), transform var(--dur) var(--ease), border-color var(--dur);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { border-color: var(--accent); color: var(--accent); }
.back-to-top svg { width: 20px; height: 20px; }

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; gap: 20px; }
  .docs-toc {
    position: relative;
    inset-block-start: 0;
    max-height: none;
    overflow: visible;
    padding: 0;
    margin-block-end: 8px;
  }
  .toc-toggle { display: flex; }
  #docsTocList { display: none; padding-block-start: 12px; }
  .docs-toc.is-open #docsTocList { display: block; }
  .toc-list {
    border-inline-start: 0;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 8px;
    background: var(--bg-elev);
  }
  .toc-list a {
    border-inline-start: 0;
    border-radius: var(--r-sm);
    padding: 9px 12px;
    margin: 0;
  }
  .toc-list a.is-active { background: var(--accent-soft); }
}

@media (max-width: 620px) {
  .docs-hero-actions { flex-direction: column; align-items: stretch; }
  .docs-hero-actions .btn { width: 100%; justify-content: center; }
  .install-copy { justify-content: center; }
  .pipeline-step { padding: 12px 14px; gap: 10px; }
  .pipeline-num { width: 28px; height: 28px; font-size: .85rem; }
  .docs-table { font-size: .82rem; }
  .docs-table th, .docs-table td { padding: 9px 10px; }
  .back-to-top { inset-block-end: 16px; inset-inline-start: 16px; }
}

/* =========================================================
   Courses page
   ========================================================= */
.course-featured { padding-block-start: clamp(28px, 4vw, 48px); }

.course-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  padding-block-end: clamp(28px, 4vw, 44px);
  border-block-end: 1px solid var(--border-soft);
  margin-block-end: clamp(32px, 4vw, 48px);
}
.course-platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  margin-block-end: 16px;
}
.course-title {
  font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.15rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.015em;
  margin-block-end: 10px;
  text-wrap: balance;
}
.course-subtitle {
  font-size: .95rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
  margin-block-end: 22px;
  line-height: 1.7;
}

.course-rating-block { display: flex; align-items: center; gap: 12px; margin-block-end: 22px; flex-wrap: wrap; }
.course-rating-score { display: inline-flex; align-items: center; gap: 8px; }
.course-rating-score strong {
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.01em;
  line-height: 1;
}
.course-rating-stars { display: inline-flex; gap: 2px; color: #f5a524; align-items: center; }
.course-rating-stars svg { width: 16px; height: 16px; }
.course-rating-count { font-size: .82rem; color: var(--text-dim); font-weight: 500; }

.course-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-block-end: 28px;
  padding-block: 18px;
  border-block: 1px solid var(--border-soft);
}
.course-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .84rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}
.course-meta-item svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }

.course-hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.course-hero-media { position: relative; }
.video-frame {
  position: relative;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md), var(--shadow-lg);
  aspect-ratio: 16 / 9;
}
.video-frame video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  object-fit: cover;
}
.video-label {
  position: absolute;
  inset-block-end: 12px;
  inset-inline-start: 12px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, #000 65%, transparent);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: .74rem;
  font-weight: 600;
  pointer-events: none;
}

.course-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.course-main { min-width: 0; }

.course-section {
  padding-block-end: clamp(28px, 3vw, 40px);
  scroll-margin-block-start: calc(var(--header-h) + 20px);
}
.course-section + .course-section {
  padding-block-start: clamp(28px, 3vw, 40px);
  border-block-start: 1px solid var(--border-soft);
}
.course-section-title {
  font-size: clamp(1.15rem, 1rem + .8vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -.01em;
  margin-block-end: 18px;
  text-wrap: balance;
}
.course-section p {
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text-muted);
  margin-block-end: 14px;
  text-wrap: pretty;
}
.course-section p strong { color: var(--text); }

.course-outcomes { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.course-outcomes li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--text-muted);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.course-outcomes li:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateX(-3px);
}
.course-outcomes svg { width: 20px; height: 20px; flex-shrink: 0; margin-block-start: 2px; color: #22c55e; }
.course-outcomes code {
  font-family: var(--font-mono);
  font-size: .8rem;
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid var(--border-soft);
  display: inline-block;
}

.syllabus { display: flex; flex-direction: column; gap: 10px; }
.syllabus-module {
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  overflow: hidden;
  transition: border-color var(--dur);
}
.syllabus-module[open] { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.syllabus-module summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color var(--dur);
}
.syllabus-module summary::-webkit-details-marker { display: none; }
.syllabus-module summary:hover { background: var(--bg-alt); }
.syllabus-num {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: var(--r-sm);
  flex-shrink: 0;
  line-height: 1;
}
.syllabus-title { font-size: .95rem; font-weight: 700; color: var(--text); flex: 1; line-height: 1.6; }
.syllabus-chevron {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
}
.syllabus-module[open] .syllabus-chevron { transform: rotate(180deg); }

.syllabus-lessons {
  list-style: none;
  padding: 0 20px 18px 20px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-block-start: 1px solid var(--border-soft);
  padding-block-start: 14px;
  counter-reset: lesson;
}
.syllabus-lessons li {
  counter-increment: lesson;
  position: relative;
  padding: 9px 34px 9px 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--text-muted);
  border-radius: var(--r-sm);
  transition: color var(--dur), background-color var(--dur);
}
.syllabus-lessons li::before {
  content: counter(lesson, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 9px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  color: var(--text-dim);
  width: 26px;
  text-align: center;
  background: var(--bg-alt);
  border-radius: 6px;
  padding-block: 2px;
  line-height: 1.6;
}
.syllabus-lessons li:hover { color: var(--text); background: var(--bg-alt); }

.reviews { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.review-card {
  padding: 22px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.review-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  transform: translateY(-2px);
}
.review-head { display: flex; align-items: center; gap: 12px; margin-block-end: 14px; }
.review-avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}
.review-meta { display: flex; flex-direction: column; gap: 2px; }
.review-meta strong { font-size: .92rem; font-weight: 700; color: var(--text); }
.review-meta span { font-size: .78rem; color: var(--text-dim); }
.review-text { font-size: .9rem; line-height: 1.9; color: var(--text-muted); margin: 0; text-wrap: pretty; }

.course-sidebar {
  position: sticky;
  inset-block-start: calc(var(--header-h) + 20px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: start;
}
.course-info-card {
  padding: 22px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
}
.course-info-title {
  font-size: .78rem;
  font-weight: 800;
  margin-block-end: 16px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.course-info-list { display: flex; flex-direction: column; gap: 12px; margin: 0; }
.course-info-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: .86rem;
  padding-block-end: 12px;
  border-block-end: 1px solid var(--border-soft);
}
.course-info-row:last-child { border-block-end: 0; padding-block-end: 0; }
.course-info-row dt { color: var(--text-dim); font-weight: 500; flex-shrink: 0; }
.course-info-row dd { margin: 0; color: var(--text); font-weight: 600; text-align: end; line-height: 1.7; }
.course-info-row dd a {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .8rem;
  direction: ltr;
  display: inline-block;
}

.course-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.course-info-cta {
  text-align: center;
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-alt));
}
.course-info-cta p { font-size: .9rem; font-weight: 600; color: var(--text); margin-block-end: 14px; }
.course-info-cta .btn { width: 100%; }

.course-card .course-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-block-end: 14px;
}
.course-platform-tag {
  font-size: .74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: var(--accent-soft);
  color: var(--accent);
}
.course-card-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .8rem;
  font-weight: 700;
  color: #f5a524;
}
.course-card-sub {
  font-size: .78rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  direction: ltr;
  text-align: right;
  margin-block: -4px 10px;
  line-height: 1.6;
}
.course-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  color: var(--text-dim);
  margin-block-start: 14px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 40px 24px;
  text-align: center;
  border-radius: var(--r-md);
  border: 1px dashed var(--border);
  background: var(--bg-elev);
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.9;
}

@media (max-width: 960px) {
  .course-hero { grid-template-columns: 1fr; }
  .course-hero-media { order: -1; }
  .course-body { grid-template-columns: 1fr; }
  .course-sidebar { position: static; order: 2; }
}
@media (max-width: 620px) {
  .course-hero-actions { flex-direction: column; align-items: stretch; }
  .course-hero-actions .btn { width: 100%; justify-content: center; }
  .course-meta-strip { gap: 8px 14px; padding-block: 14px; }
  .course-meta-item { font-size: .8rem; }
  .course-info-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .course-info-row dd { text-align: start; }
  .syllabus-module summary { padding: 14px 16px; gap: 10px; }
  .syllabus-title { font-size: .88rem; }
  .syllabus-lessons { padding-inline: 16px; }
  .reviews { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .syllabus-chevron { transition: none; }
  .course-outcomes li:hover { transform: none; }
}

/* =========================================================
   Blog page
   ========================================================= */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-end: 32px;
  padding-block-end: 24px;
  border-block-end: 1px solid var(--border-soft);
}
.filter-chip {
  padding: 7px 14px;
  border-radius: var(--r-full);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .84rem;
  font-weight: 600;
  line-height: 1;
  transition: color var(--dur), background-color var(--dur),
  border-color var(--dur), transform var(--dur) var(--ease);
}
.filter-chip:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}
.filter-chip.is-active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.filter-chip:active { transform: scale(.96); }

.blog-list { display: flex; flex-direction: column; gap: 24px; }
.blog-post {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: border-color var(--dur), box-shadow var(--dur);
}
.blog-post:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.blog-post.is-hidden { display: none; }

.blog-post-header { margin-block-end: 16px; }
.blog-post-title {
  font-size: clamp(1.3rem, 1rem + 1.2vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.4;
  margin-block-end: 6px;
  text-wrap: balance;
}
.blog-post-sub {
  font-size: .88rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  direction: rtl;
  line-height: 1.7;
  margin-block-end: 12px;
}
.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-block-end: 12px;
}
.blog-post-meta .dot-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: .5;
}
.blog-post-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.blog-post-excerpt {
  font-size: .95rem;
  line-height: 1.9;
  color: var(--text-muted);
  margin-block-end: 18px;
  max-width: 75ch;
  text-wrap: pretty;
}

.blog-post-details {
  border-block-start: 1px solid var(--border-soft);
  padding-block-start: 16px;
  margin-block-start: 4px;
}
.blog-post-details > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  padding: 6px 0;
  font-size: .9rem;
  font-weight: 700;
  color: var(--accent);
  transition: gap var(--dur) var(--ease);
}
.blog-post-details > summary::-webkit-details-marker { display: none; }
.blog-post-details > summary:hover { gap: 12px; }
.details-chevron {
  width: 16px;
  height: 16px;
  transition: transform var(--dur) var(--ease);
}
.blog-post-details[open] .details-chevron { transform: rotate(180deg); }
.blog-post-details[open] > summary { margin-block-end: 22px; }
.blog-post-details[open] .details-label::after { content: " (بستن)"; opacity: .7; font-weight: 500; }

.prose {
  font-size: 1rem;
  line-height: 2;
  color: var(--text-muted);
  max-width: 72ch;
  text-wrap: pretty;
}
.prose > * + * { margin-block-start: 18px; }
.prose p { margin: 0; }
.prose h3 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--text);
  margin-block: 32px 14px;
  padding-block-end: 8px;
  border-block-end: 1px solid var(--border-soft);
  text-wrap: balance;
}
.prose h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-block: 24px 10px;
  letter-spacing: -.005em;
}
.prose h3 + p, .prose h4 + p { margin-block-start: 0; }
.prose strong { color: var(--text); font-weight: 700; }
.prose em { color: var(--text); font-style: normal; font-weight: 600; }
.prose span[dir="ltr"] {
  font-family: var(--font-mono);
  font-size: .88em;
  direction: ltr;
  unicode-bidi: embed;
}
.prose blockquote {
  margin: 22px 0;
  padding: 16px 22px;
  border-inline-start: 3px solid var(--accent);
  background: var(--bg-alt);
  border-start-end-radius: var(--r-md);
  border-end-end-radius: var(--r-md);
  font-size: .95rem;
  line-height: 1.95;
  color: var(--text);
  font-style: italic;
}
.prose-note { font-size: .78rem; font-weight: 500; color: var(--text-dim); margin-inline-start: 6px; }
.prose-figure {
  margin: 24px 0;
  padding: 14px 20px;
  border-radius: var(--r-md);
  background: var(--bg-alt);
  border: 1px dashed var(--border);
  text-align: center;
}
.prose-figure figcaption {
  font-size: .82rem;
  color: var(--text-dim);
  line-height: 1.7;
  font-style: italic;
}
.prose-figure figcaption::before {
  content: "◈ ";
  color: var(--accent);
  font-style: normal;
  margin-inline-end: 4px;
}
.prose-questions {
  padding-inline-start: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
}
.prose-questions li { padding-inline-start: 4px; line-height: 1.95; }
.prose-questions li::marker { color: var(--accent); font-weight: 700; font-size: 1.1em; }

@media (max-width: 620px) {
  .blog-post { padding: 20px 18px; }
  .blog-post-title { font-size: 1.2rem; }
  .blog-post-excerpt { font-size: .9rem; }
  .prose { font-size: .95rem; line-height: 1.95; }
  .prose h3 { font-size: 1.05rem; margin-block-start: 26px; }
  .prose h4 { font-size: .95rem; }
  .prose blockquote { padding: 14px 16px; font-size: .9rem; }
  .blog-filters { gap: 6px; }
  .filter-chip { padding: 6px 11px; font-size: .78rem; }
}
@media (prefers-reduced-motion: reduce) {
  .blog-post-details .details-chevron { transition: none; }
  .blog-post-details > summary:hover { gap: 8px; }
}

/* =========================================================
   Notes page
   ========================================================= */
.notes-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-end: 40px;
}
.notes-filters:empty { display: none; }

.notes-timeline {
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
  padding-inline-start: 36px;
}
.notes-timeline::before {
  content: "";
  position: absolute;
  inset-block: 12px;
  inset-inline-start: 11px;
  width: 2px;
  background: linear-gradient(
          180deg,
          transparent 0,
          var(--border) 24px,
          var(--border) calc(100% - 24px),
          transparent 100%
  );
  pointer-events: none;
}

.note-item {
  position: relative;
  padding-block-end: 32px;
}
.note-item:last-child { padding-block-end: 0; }
.note-item.is-hidden { display: none; }

.note-marker {
  position: absolute;
  inset-block-start: 6px;
  inset-inline-start: -36px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
  z-index: 1;
}
.note-marker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  transition: box-shadow var(--dur), transform var(--dur) var(--ease);
}
.note-item:hover .note-marker {
  border-color: var(--accent);
  transform: scale(1.08);
}
.note-item:hover .note-marker::before {
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.note-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-block-end: 4px;
}
.note-date {
  display: inline-block;
  align-self: flex-start;
  font-size: .78rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: var(--r-full);
  line-height: 1.3;
  letter-spacing: -.005em;
}
.note-text {
  font-size: 1rem;
  line-height: 2;
  color: var(--text);
  margin: 0;
  max-width: 68ch;
  text-wrap: pretty;
}
.note-text a {
  color: var(--accent);
  border-block-end: 1px solid transparent;
  transition: border-color var(--dur);
}
.note-text a:hover { border-block-end-color: var(--accent); }

.note-image {
  margin: 4px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  max-width: 560px;
}
.note-image img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}
.note-image:hover img { transform: scale(1.015); }
.note-image figcaption {
  padding: 10px 16px;
  font-size: .8rem;
  color: var(--text-dim);
  line-height: 1.7;
  border-block-start: 1px solid var(--border-soft);
  background: var(--bg-alt);
  text-align: center;
}

.note-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  max-width: 560px;
  transition: border-color var(--dur), transform var(--dur) var(--ease),
  box-shadow var(--dur), background-color var(--dur);
}
.note-link:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.note-link-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}
.note-link-icon svg { width: 18px; height: 18px; }
.note-link-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  flex: 1;
}
.note-link-text strong {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.note-link-host {
  font-size: .76rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  direction: ltr;
  text-align: start;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.note-link-arrow {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--dur), background-color var(--dur), transform var(--dur) var(--ease);
}
.note-link-arrow svg { width: 15px; height: 15px; }
.note-link:hover .note-link-arrow {
  color: #fff;
  background: var(--accent);
  transform: translateX(-3px);
}

@media (max-width: 620px) {
  .notes-timeline { padding-inline-start: 28px; }
  .notes-timeline::before { inset-inline-start: 9px; }
  .note-marker { inset-inline-start: -28px; width: 18px; height: 18px; }
  .note-marker::before { width: 6px; height: 6px; }
  .note-item { padding-block-end: 26px; }
  .note-text { font-size: .95rem; line-height: 1.95; }
  .note-link { padding: 12px 14px; gap: 12px; }
  .note-link-icon { width: 34px; height: 34px; }
  .note-image img { max-height: 380px; }
}
@media (prefers-reduced-motion: reduce) {
  .note-marker, .note-link, .note-image img { transition: none; }
  .note-item:hover .note-marker { transform: none; }
}

/* =========================================================
   Media pages — Movies / Series
   ========================================================= */
.media-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-block-start: 22px;
  font-size: .88rem;
  color: var(--text-muted);
}
.media-stat { display: inline-flex; align-items: baseline; gap: 6px; }
.media-stat strong {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -.01em;
}

.media-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block-end: 32px;
  padding-block-end: 24px;
  border-block-end: 1px solid var(--border-soft);
}
.media-filters:empty { display: none; }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}

.media-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--dur) var(--ease),
  border-color var(--dur),
  box-shadow var(--dur);
}
.media-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: var(--shadow-md);
}
.media-card.is-hidden { display: none; }

.media-poster {
  position: relative;
  aspect-ratio: 2 / 3;
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-alt));
  overflow: hidden;
}
.media-poster img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease);
}
.media-card:hover .media-poster img { transform: scale(1.04); }

.media-placeholder {
  display: grid;
  place-items: center;
  gap: 8px;
  width: 100%;
  height: 100%;
  padding: 20px;
  text-align: center;
  color: color-mix(in srgb, var(--accent) 80%, var(--text-dim));
  background:
          radial-gradient(circle at 30% 20%, var(--accent-soft), transparent 55%),
          radial-gradient(circle at 70% 90%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 55%),
          var(--bg-alt);
}
.media-placeholder svg { width: 44px; height: 44px; opacity: .7; }
.media-placeholder span {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: -.005em;
  font-family: var(--font-mono);
  direction: ltr;
  color: var(--text-muted);
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.media-badges {
  position: absolute;
  inset-block-start: 10px;
  inset-inline: 10px;
  display: flex;
  justify-content: space-between;
  gap: 6px;
  pointer-events: none;
  z-index: 1;
}
.media-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, #000 68%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  font-size: .74rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.005em;
}
.media-badge svg { width: 12px; height: 12px; }
.media-badge-rating {
  background: linear-gradient(135deg, rgba(245,165,36,.95), rgba(230,140,20,.95));
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.media-badge-year {
  background: color-mix(in srgb, #fff 12%, transparent);
  border: 1px solid color-mix(in srgb, #fff 20%, transparent);
  font-family: var(--font-mono);
}

/* ---------- وضعیت سریال ---------- */
.media-status {
  position: absolute;
  inset-block-end: 10px;
  inset-inline-start: 10px;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: .7rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1;
  letter-spacing: -.005em;
}
.media-status-watching {
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(22,163,74,.95));
}
.media-status-dropped {
  background: linear-gradient(135deg, rgba(107,114,128,.9), rgba(75,85,99,.9));
}
.media-status-on-hold {
  background: linear-gradient(135deg, rgba(245,158,11,.95), rgba(217,119,6,.95));
}

/* ---------- چند بار دیده‌شده ---------- */
.media-times {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  align-self: flex-start;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: var(--r-full);
  line-height: 1.4;
}
.media-times::before {
  content: "↻";
  font-size: 1em;
  line-height: 1;
}

.media-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 16px 18px;
  flex: 1;
}
.media-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--text);
  margin: 0;
}
.media-title-en {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-dim);
  direction: ltr;
  text-align: start;
}

.media-meta {
  font-size: .8rem;
  color: var(--text-dim);
  font-weight: 500;
  line-height: 1.75;
  margin: 0;
}
.media-summary {
  font-size: .87rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin: 0;
  text-wrap: pretty;
  flex: 1;
}
.media-cast {
  font-size: .8rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin: 0;
}
.media-cast span { color: var(--text-muted); font-weight: 600; }

.media-note {
  font-size: .82rem;
  line-height: 1.85;
  color: var(--text-muted);
  font-style: italic;
  padding: 10px 14px;
  border-inline-start: 2px solid var(--accent);
  background: var(--bg-alt);
  border-start-end-radius: var(--r-sm);
  border-end-end-radius: var(--r-sm);
  margin: 0;
}

.media-genres { display: flex; flex-wrap: wrap; gap: 6px; }

.media-external {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-block-start: 4px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--dur) var(--ease);
}
.media-external:hover { gap: 9px; }
.media-external svg { width: 14px; height: 14px; }

@media (max-width: 620px) {
  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
  }
  .media-body { padding: 14px 14px 16px; gap: 8px; }
  .media-title { font-size: .95rem; }
  .media-summary { font-size: .82rem; line-height: 1.75; }
  .media-cast { font-size: .76rem; }
  .media-badge { padding: 3px 8px; font-size: .7rem; }
}
@media (prefers-reduced-motion: reduce) {
  .media-card:hover { transform: none; }
  .media-card:hover .media-poster img { transform: none; }
}

/* =========================================================
   Performance
   - content-visibility: مرورگر کارت‌های خارج از viewport را رندر نمی‌کند
   - contain-intrinsic-size: اندازهٔ تقریبی برای جلوگیری از پرش اسکرول
   ========================================================= */

/* گریدهای کارت که ممکن است طولانی شوند */
.media-card,
.project-card,
.course-card {
  content-visibility: auto;
  contain-intrinsic-size: auto 480px;
}

/* پست‌های بلاگ و یادداشت‌ها */
.blog-post,
.note-item {
  content-visibility: auto;
  contain-intrinsic-size: auto 320px;
}

/* تصاویر پوستر و cover بعد از بارگذاری جای مشخصی دارند */
.media-poster,
.note-image {
  contain: layout style;
}

/* =========================================================
   Books page + Sort toolbar
   ========================================================= */

/* ---------- نوار ابزار (sort + filter) ---------- */
.media-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-block-end: 32px;
  padding-block-end: 24px;
  border-block-end: 1px solid var(--border-soft);
}
.media-toolbar .media-filters {
  margin: 0;
  padding: 0;
  border: 0;
  flex: 1;
  min-width: 200px;
  justify-content: flex-end;
}

/* ---------- انتخابگر مرتب‌سازی ---------- */
.sort-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color var(--dur), background-color var(--dur);
  flex-shrink: 0;
}
.sort-select-wrap:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.sort-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-dim);
  padding-inline-end: 10px;
  border-inline-end: 1px solid var(--border-soft);
  white-space: nowrap;
}
.sort-label svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

.sort-select {
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: 0;
  padding-inline: 4px 22px;
  padding-block: 4px;
  font: inherit;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  min-width: 190px;
  max-width: 100%;
}
.sort-select:focus { outline: none; }
.sort-select option {
  background: var(--bg-elev);
  color: var(--text);
  padding: 8px;
}

.sort-chevron {
  position: absolute;
  inset-inline-end: 12px;
  inset-block-start: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: var(--text-dim);
  pointer-events: none;
  transition: color var(--dur);
}
.sort-select-wrap:hover .sort-chevron { color: var(--accent); }

/* ---------- بج تاریخ خواندن ---------- */
.media-read-date {
  position: absolute;
  inset-block-end: 10px;
  inset-inline-start: 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: .7rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(22,163,74,.95));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  z-index: 1;
  letter-spacing: -.005em;
  line-height: 1;
}

/* ---------- placeholder کتاب (آیکون) ---------- */
.book-placeholder svg { opacity: .55; }

/* ---------- ریسپانسیو ---------- */
@media (max-width: 720px) {
  .media-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .media-toolbar .media-filters {
    justify-content: flex-start;
  }
  .sort-select-wrap {
    justify-content: space-between;
    width: 100%;
  }
  .sort-select {
    min-width: 0;
    flex: 1;
    text-align: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sort-select-wrap { transition: none; }
}

/* بج امتیاز Goodreads (وقتی امتیاز شخصی ندارید) */
.media-badge-avg {
  background: color-mix(in srgb, #fff 15%, transparent);
  border: 1px solid color-mix(in srgb, #fff 28%, transparent);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* =========================================================
   Papers page
   ========================================================= */

.papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.paper-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: var(--r-md);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease),
  border-color var(--dur),
  box-shadow var(--dur);
}
.paper-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: var(--shadow-md);
}

/* هدر: آیکون + بج‌ها */
.paper-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-block-end: 16px;
}
.paper-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}
.paper-icon svg { width: 22px; height: 22px; }

.paper-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}
.paper-badges .media-badge {
  position: static;
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
  backdrop-filter: none;
}
.paper-badges .media-badge-year { font-family: var(--font-mono); }
.paper-badges .media-status {
  position: static;
  font-size: .68rem;
  padding: 3px 9px;
}

/* عنوان */
.paper-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--text);
  margin: 0 0 4px;
  text-wrap: balance;
}
.paper-title-en {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-dim);
  direction: ltr;
  text-align: start;
  line-height: 1.6;
  letter-spacing: -.005em;
}
.paper-subtitle {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--text-dim);
  direction: ltr;
  text-align: start;
  margin: 0 0 8px;
}

.paper-meta {
  font-size: .82rem;
  color: var(--text-dim);
  font-weight: 500;
  line-height: 1.75;
  margin: 0 0 14px;
}

.paper-summary {
  font-size: .9rem;
  line-height: 1.9;
  color: var(--text-muted);
  margin: 0 0 16px;
  text-wrap: pretty;
}

/* دستاورد اصلی */
.paper-takeaway {
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg,
  color-mix(in srgb, var(--accent) 12%, transparent),
  color-mix(in srgb, var(--accent-2) 8%, transparent));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  margin-block-end: 16px;
}
.paper-takeaway-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .72rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .03em;
  text-transform: uppercase;
  margin-block-end: 6px;
}
.paper-takeaway-label svg { width: 13px; height: 13px; }
.paper-takeaway p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--text);
  font-weight: 500;
  text-wrap: pretty;
}

.paper-card .media-note { margin-block-end: 14px; }
.paper-card .media-genres { margin-block-end: 14px; }

.paper-read-date {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  align-self: flex-start;
  font-size: .74rem;
  font-weight: 700;
  color: #22c55e;
  background: color-mix(in srgb, #22c55e 12%, transparent);
  padding: 4px 10px;
  border-radius: var(--r-full);
  margin-block-end: 14px;
  line-height: 1;
}

.paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-block-start: 14px;
  border-block-start: 1px solid var(--border-soft);
  margin-block-start: auto;
}
.paper-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  transition: color var(--dur), background-color var(--dur), border-color var(--dur);
}
.paper-link:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}
.paper-link svg { width: 13px; height: 13px; }

/* =========================================================
   Games page — extras
   ========================================================= */

/* بج امتیاز Metacritic */
.game-rating {
  background: linear-gradient(135deg, rgba(107, 191, 89, .95), rgba(76, 155, 61, .95)) !important;
  font-family: var(--font-mono);
  font-weight: 800;
  padding: 4px 10px !important;
  min-width: 34px;
  justify-content: center;
}

/* وضعیت بازی */
.media-status-playing {
  background: linear-gradient(135deg, rgba(34,197,94,.95), rgba(22,163,74,.95));
}
.media-status-completed {
  background: linear-gradient(135deg, rgba(59,130,246,.95), rgba(37,99,235,.95));
}
.media-status-backlog {
  background: linear-gradient(135deg, rgba(168,85,247,.95), rgba(139,61,220,.95));
}

.game-placeholder svg { opacity: .55; }

/* =========================================================
   Responsive — papers
   ========================================================= */
@media (max-width: 620px) {
  .papers-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .paper-card { padding: 20px 18px; }
  .paper-title { font-size: 1rem; }
  .paper-summary { font-size: .87rem; line-height: 1.85; }
}/* =========================================================
   Search modal + 404 + print
   ========================================================= */

/* ---------- جستجوی سراسری (Ctrl+K) ---------- */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-full);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .84rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
  max-width: 260px;
}
.search-trigger:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.search-trigger svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--accent); }
.search-trigger kbd {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-inline-start: auto;
  padding: 2px 6px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  line-height: 1.4;
}
.search-trigger span.search-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Dialog */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: start center;
  padding: clamp(60px, 12vh, 140px) 16px 16px;
  background: color-mix(in srgb, #000 60%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur);
}
.search-modal.is-open {
  opacity: 1;
  visibility: visible;
}
.search-modal[hidden] { display: none; }

.search-panel {
  width: 100%;
  max-width: 620px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .6);
  overflow: hidden;
  transform: translateY(-8px);
  transition: transform var(--dur) var(--ease);
}
.search-modal.is-open .search-panel { transform: none; }

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-block-end: 1px solid var(--border-soft);
}
.search-input-wrap svg {
  width: 18px;
  height: 18px;
  color: var(--text-dim);
  flex-shrink: 0;
}
.search-input {
  flex: 1;
  background: none;
  border: 0;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  padding: 4px 0;
}
.search-input::placeholder { color: var(--text-dim); }

.search-esc {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--bg-alt);
  border: 1px solid var(--border-soft);
  cursor: pointer;
  line-height: 1.4;
}

.search-results {
  max-height: min(60vh, 480px);
  overflow-y: auto;
  padding: 8px;
  overscroll-behavior: contain;
}
.search-results::-webkit-scrollbar { width: 8px; }
.search-results::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.search-group {
  padding: 6px 10px 4px;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.search-item {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background-color 100ms;
}
.search-item:hover,
.search-item.is-active {
  background: var(--accent-soft);
}
.search-item-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}
.search-item.is-active .search-item-icon {
  background: var(--accent);
  color: #fff;
}
.search-item-body { min-width: 0; }
.search-item-title {
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-item-sub {
  font-size: .76rem;
  color: var(--text-dim);
  margin: 2px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-item-arrow {
  color: var(--text-dim);
  font-size: .8rem;
  transition: transform 120ms;
}
.search-item.is-active .search-item-arrow {
  color: var(--accent);
  transform: translateX(-3px);
}

.search-empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: .9rem;
}
.search-empty strong { color: var(--text); }

.search-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-block-start: 1px solid var(--border-soft);
  background: var(--bg-alt);
  font-size: .72rem;
  color: var(--text-dim);
}
.search-footer kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  margin-inline: 2px;
}

/* Lock scroll when modal open */
body.search-open {
  overflow: hidden;
}

@media (max-width: 620px) {
  .search-trigger .search-text,
  .search-trigger kbd { display: none; }
  .search-trigger { padding: 8px; }
  .search-modal { padding: 16px; }
}

/* =========================================================
   404 page
   ========================================================= */
.error-page {
  min-height: calc(100vh - var(--header-h) - 120px);
  display: grid;
  place-items: center;
  padding-block: clamp(60px, 10vw, 120px);
  position: relative;
  overflow: hidden;
}
.error-page::before {
  content: "";
  position: absolute;
  inset-block-start: 20%;
  inset-inline-start: 50%;
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  transform: translateX(50%);
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.error-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
}
.error-code {
  display: flex;
  justify-content: center;
  gap: clamp(6px, 1.5vw, 14px);
  margin-block-end: 20px;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 1;
  letter-spacing: -.04em;
}
.error-code span {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: float 3s ease-in-out infinite;
}
.error-code span:nth-child(2) { animation-delay: .3s; }
.error-code span:nth-child(3) { animation-delay: .6s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.error-title {
  font-size: clamp(1.5rem, 1rem + 2vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.015em;
  margin-block-end: 14px;
  text-wrap: balance;
}
.error-text {
  font-size: 1rem;
  line-height: 1.95;
  color: var(--text-muted);
  margin-block-end: 32px;
  max-width: 55ch;
  margin-inline: auto;
}
.error-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-block-end: 40px;
}
.error-shortcuts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  font-size: .85rem;
  color: var(--text-dim);
}
.error-shortcuts > span { font-weight: 700; }
.error-shortcuts a {
  color: var(--text-muted);
  transition: color var(--dur);
}
.error-shortcuts a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .error-code span { animation: none; }
}

/* =========================================================
   Print styles
   ========================================================= */
@media print {
  .site-header,
  .site-footer,
  .back-to-top,
  .search-modal,
  .search-trigger,
  .filter-chip,
  .media-filters,
  .media-toolbar,
  .nav,
  .header-actions {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
    line-height: 1.5;
  }
  a {
    color: #000;
    text-decoration: underline;
  }
  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
    color: #666;
  }
  .card,
  .media-card,
  .paper-card,
  .blog-post {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }
}