/* GitHubPages CSS */
:root {
  --g-black:       #09090b;
  --g-surface:     #111113;
  --g-surface-2:   #19191d;
  --g-surface-3:   #222228;
  --g-border:      rgba(255,255,255,.06);
  --g-border-hl:   rgba(255,255,255,.12);
  --g-text:        #e4e4e7;
  --g-text-muted:  #a1a1aa;
  --g-text-dim:    #71717a;
  --g-accent:      #c8a96e;
  --g-accent-2:    #e8c872;
  --g-green:       #4ade80;
  --g-blue:        #60a5fa;
  --g-red:         #f87171;
  --g-purple:      #c084fc;
  --g-glow:        rgba(200,169,110,.10);
  --g-glow-strong: rgba(200,169,110,.22);
  --g-radius:      10px;
  --g-radius-lg:   16px;
  --g-ease:        cubic-bezier(.22,1,.36,1);
  --g-font-display:'Syne', sans-serif;
  --g-font-body:   'DM Sans', sans-serif;
  --g-font-mono:   'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--g-surface-3) var(--g-black);
}

body {
  margin: 0;
  padding: 0;
  background: var(--g-black);
  color: var(--g-text);
  font-family: var(--g-font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 2rem 6rem;
}

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--g-black); }
::-webkit-scrollbar-thumb { background: var(--g-surface-3); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--g-accent); }

/* ── GRAIN OVERLAY ──────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 180px;
}

/* ── HEADER / TITLE BLOCK ───────────────────────────────── */
#title-block-header {
  padding: 4rem 0 2rem;
  border-bottom: none;
  text-align: center;
  position: relative;
}

#title-block-header::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  margin: 1.5rem auto 0;
  background: linear-gradient(90deg, var(--g-accent), var(--g-accent-2));
  border-radius: 3px;
  animation: g-line-grow .8s var(--g-ease) .3s both;
}

.title {
  font-family: var(--g-font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--g-text) 40%, var(--g-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  animation: g-fade-up .8s var(--g-ease) both;
}

/* ── LOGO + BADGES ──────────────────────────────────────── */
h1[align="center"] {
  margin: 2rem 0 1rem;
  animation: g-fade-up .8s var(--g-ease) .1s both;
}

h1[align="center"] img {
  filter: drop-shadow(0 0 40px var(--g-glow-strong));
  transition: filter .5s var(--g-ease), transform .5s var(--g-ease);
}

h1[align="center"] img:hover {
  filter: drop-shadow(0 0 60px var(--g-glow-strong));
  transform: scale(1.04);
}

p[align="center"] {
  margin: 0 0 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  animation: g-fade-up .8s var(--g-ease) .2s both;
}

p[align="center"] img {
  height: 22px;
  transition: transform .3s var(--g-ease);
}

p[align="center"] img:hover {
  transform: translateY(-2px);
}

/* ── HEADINGS ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--g-font-display);
  color: var(--g-text);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin-top: 3rem;
  margin-bottom: 1rem;
  position: relative;
}

h2 {
  font-size: 1.6rem;
  font-weight: 700;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--g-border);
}

h2::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, var(--g-accent), var(--g-accent-2));
  border-radius: 2px;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--g-text);
}

h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--g-text-muted);
}

/* ── LINKS ──────────────────────────────────────────────── */
a {
  color: var(--g-accent);
  text-decoration: none;
  text-underline-offset: 3px;
  transition: color .3s var(--g-ease);
}

a:hover {
  color: var(--g-accent-2);
  text-decoration: underline;
  text-decoration-color: rgba(200,169,110,.3);
}

/* ── PARAGRAPHS ─────────────────────────────────────────── */
p {
  margin: 0 0 1rem;
  color: var(--g-text-muted);
}

body > p:first-of-type,
body > p:nth-of-type(2) {
  font-size: 1.1rem;
  color: var(--g-text);
  line-height: 1.7;
}

strong {
  color: var(--g-text);
  font-weight: 600;
}

em {
  color: var(--g-text-muted);
}

/* ── LISTS ──────────────────────────────────────────────── */
ul, ol {
  padding-left: 1.5rem;
  margin: 0 0 1.5rem;
  color: var(--g-text-muted);
}

li {
  margin-bottom: .5rem;
  line-height: 1.6;
}

li strong {
  color: var(--g-text);
}

li::marker {
  color: var(--g-accent);
}

ul ul {
  margin-top: .4rem;
  margin-bottom: .4rem;
}

/* ── CODE: INLINE ───────────────────────────────────────── */
code {
  font-family: var(--g-font-mono);
  font-size: .875em;
  color: var(--g-accent-2);
  background: rgba(200,169,110,.08);
  border: 1px solid rgba(200,169,110,.1);
  border-radius: 5px;
  padding: 2px 7px;
}

/* ── CODE: BLOCKS ───────────────────────────────────────── */
div.sourceCode {
  background: var(--g-surface);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  overflow: hidden;
  margin: 1.5rem 0;
  position: relative;
  transition: border-color .4s var(--g-ease), box-shadow .4s var(--g-ease);
}

div.sourceCode::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--g-accent), transparent);
  opacity: .2;
}

div.sourceCode:hover {
  border-color: var(--g-border-hl);
  box-shadow: 0 8px 40px -12px rgba(0,0,0,.4), 0 0 60px -20px var(--g-glow);
}

pre.sourceCode {
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 0;
  background: transparent;
}

pre.sourceCode code {
  background: none;
  border: none;
  padding: 0;
  font-size: .85rem;
  color: var(--g-text-muted);
  line-height: 1.6;
}

/* Syntax highlighting — refined palette */
code span.kw { color: var(--g-purple); font-weight: 600; }
code span.cf { color: var(--g-purple); font-weight: 600; }
code span.dt { color: var(--g-accent); }
code span.fu { color: var(--g-blue); }
code span.st { color: var(--g-green); }
code span.ch { color: var(--g-green); }
code span.vs { color: var(--g-green); }
code span.ss { color: #f0abfc; }
code span.dv { color: var(--g-accent-2); }
code span.bn { color: var(--g-accent-2); }
code span.fl { color: var(--g-accent-2); }
code span.co { color: var(--g-text-dim); font-style: italic; }
code span.an { color: var(--g-text-dim); font-style: italic; }
code span.cv { color: var(--g-text-dim); font-style: italic; }
code span.in { color: var(--g-text-dim); font-style: italic; }
code span.wa { color: var(--g-red); font-style: italic; }
code span.al { color: var(--g-red); font-weight: 600; }
code span.er { color: var(--g-red); font-weight: 600; }
code span.at { color: #7dd3fc; }
code span.bu { color: var(--g-blue); }
code span.ex { color: var(--g-blue); }
code span.im { color: var(--g-green); font-weight: 600; }
code span.op { color: var(--g-text-dim); }
code span.ot { color: var(--g-blue); }
code span.pp { color: var(--g-accent); }
code span.sc { color: var(--g-green); }
code span.va { color: #93c5fd; }
code span.cn { color: var(--g-accent); }
code span.do { color: var(--g-text-dim); font-style: italic; }

pre.numberSource code > span > a:first-child::before {
  color: var(--g-text-dim);
}

/* ── TABLES ─────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  background: var(--g-surface);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  overflow: hidden;
  font-size: .92rem;
}

thead {
  background: var(--g-surface-2);
}

thead tr {
  border-bottom: 1px solid var(--g-border-hl);
}

th {
  font-family: var(--g-font-display);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--g-accent);
  text-align: left;
  padding: 12px 20px;
}

td {
  padding: 12px 20px;
  color: var(--g-text-muted);
  border-top: 1px solid var(--g-border);
}

tbody tr {
  transition: background .3s var(--g-ease);
}

tbody tr:hover {
  background: var(--g-surface-2);
}

/* ── BLOCKQUOTES ────────────────────────────────────────── */
blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  background: var(--g-surface);
  border-left: 3px solid var(--g-accent);
  border-radius: 0 var(--g-radius) var(--g-radius) 0;
  color: var(--g-text-muted);
  font-size: .95rem;
}

blockquote p {
  margin: 0 0 .5rem;
  color: var(--g-text-muted);
}

blockquote p:last-child {
  margin-bottom: 0;
}

blockquote strong {
  color: var(--g-accent);
}

/* ── HORIZONTAL RULES ───────────────────────────────────── */
hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--g-border-hl) 20%, var(--g-accent) 50%, var(--g-border-hl) 80%, transparent);
  margin: 3rem 0;
}

/* ── IMAGES ─────────────────────────────────────────────── */
img {
  max-width: 100%;
  height: auto;
}

div > img[align="right"] {
  border-radius: var(--g-radius-lg);
  margin: 0 0 1.5rem 2rem;
  box-shadow: 0 12px 40px -8px rgba(0,0,0,.5);
  border: 1px solid var(--g-border);
}

/* ── FOOTER-LIKE LAST P ─────────────────────────────────── */
body > p:last-of-type {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--g-border);
  font-size: .85rem;
  color: var(--g-text-dim);
}

/* ── ANIMATIONS ─────────────────────────────────────────── */
@keyframes g-fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes g-line-grow {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 1; }
}

/* ── TOC STYLING ────────────────────────────────────────── */
#clipboard-table-of-contents + ul {
  background: var(--g-surface);
  border: 1px solid var(--g-border);
  border-radius: var(--g-radius-lg);
  padding: 1.5rem 1.5rem 1.5rem 2.5rem;
  list-style: none;
  position: relative;
  overflow: hidden;
}

#clipboard-table-of-contents + ul::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--g-accent), transparent);
  opacity: .3;
}

#clipboard-table-of-contents + ul > li {
  margin-bottom: .35rem;
}

#clipboard-table-of-contents + ul ul {
  margin-top: .35rem;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 767px) {
  body {
    padding: 0 1.25rem 4rem;
    font-size: 15px;
  }

  h2 { font-size: 1.35rem; }
  h3 { font-size: 1.1rem; }

  div > img[align="right"] {
    float: none !important;
    display: block;
    margin: 1.5rem auto;
    width: 80%;
    max-width: 360px;
  }

  table {
    font-size: .82rem;
  }

  th, td {
    padding: 10px 12px;
  }

  pre.sourceCode {
    padding: 1rem;
  }
}

/* ── PRINT ──────────────────────────────────────────────── */
@media print {
  body::before { display: none; }
  body { background: #fff; color: #000; }
  a { color: #333; }
  div.sourceCode { border-color: #ddd; }
  h2::after { background: #333; }
}

/* ── FOCUS ──────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--g-accent);
  outline-offset: 3px;
}