/* ── Fonts (must be first) ─────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Theme ─────────────────────────────────────────────── */
:root {
  --bg:        #0e0e12;
  --bg2:       #16161c;
  --surface:   #1e1e28;
  --surface2:  #26263380;
  --border:    #2e2e3e;
  --border2:   #3a3a50;
  --text:      #ebebf5;
  --text2:     #9090aa;
  --text3:     #5c5c72;
  --accent:    #7c6aff;
  --accent2:   #ff6b6b;
  --green:     #22d3a0;
  --code-bg:   #0a0a0f;
  --radius:    12px;
  --radius-lg: 18px;
}
[data-theme="light"] {
  --bg:      #f4f4f8;
  --bg2:     #eaeaf2;
  --surface: #ffffff;
  --surface2:#f0f0f8;
  --border:  #dcdce8;
  --border2: #c8c8dc;
  --text:    #18181f;
  --text2:   #5a5a70;
  --text3:   #9090a8;
  --code-bg: #12121a;
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s, color 0.25s;
}
a { text-decoration: none; color: inherit; }

/* ══════════════════════════════════════════════════════════
   HOME PAGE
══════════════════════════════════════════════════════════ */

/* Top bar */
.topbar {
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 15px; height: 15px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }

/* Pill theme toggle */
.theme-pill {
  width: 40px; height: 22px;
  border-radius: 11px;
  border: 1.5px solid var(--border2);
  background: var(--surface);
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
}
.theme-pill::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--text2);
  transition: transform 0.25s;
}
[data-theme="light"] .theme-pill::after {
  transform: translateX(18px);
  background: var(--accent);
}
.theme-label { font-size: 0.75rem; color: var(--text2); }

/* Hero */
.hero {
  padding: 4.5rem 2rem 3.5rem;
  max-width: 860px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid rgba(124,106,255,0.3);
  background: rgba(124,106,255,0.08);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}
.hero-eyebrow span { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--text2);
}
.hero-sub {
  font-size: 1rem;
  color: var(--text2);
  max-width: 500px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* Search bar */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 0.65rem 1rem;
  max-width: 480px;
  transition: border-color 0.2s;
}
.search-bar:focus-within { border-color: var(--accent); }
.search-bar svg { width: 16px; height: 16px; color: var(--text3); flex-shrink: 0; }
.search-bar input {
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  flex: 1;
}
.search-bar input::placeholder { color: var(--text3); }
.search-bar kbd {
  font-size: 0.68rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border2);
  border-radius: 5px;
  color: var(--text3);
  font-family: inherit;
  white-space: nowrap;
}

/* Stats row */
.stats-row {
  display: flex;
  gap: 2rem;
  padding: 0 2rem 0;
  max-width: 860px;
  margin: 0 auto 2.5rem;
  flex-wrap: wrap;
}
.stat { display: flex; align-items: baseline; gap: 0.4rem; }
.stat-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stat-key { font-size: 0.78rem; color: var(--text3); }

/* Divider line */
.section-line {
  height: 1px;
  background: var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

/* Language section */
.lang-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 2rem 3rem;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.section-header h2 {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
}

/* Language grid */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

/* Language card */
.lang-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.lang-card:hover {
  transform: translateY(-2px);
  border-color: var(--lang-color, var(--accent));
  box-shadow: 0 0 0 1px var(--lang-color, var(--accent)),
              0 8px 24px rgba(0,0,0,0.25);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.lang-icon-wrap {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--bg2);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 6px;
}
.lang-icon-wrap img { width: 100%; height: 100%; object-fit: contain; }

.card-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.2rem 0.55rem;
  border-radius: 20px;
  border: 1px solid var(--lang-color, var(--border));
  color: var(--lang-color, var(--text3));
  background: transparent;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.card-body p { font-size: 0.78rem; color: var(--text2); line-height: 1.55; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.card-count { font-size: 0.72rem; color: var(--text3); }
.card-arrow {
  width: 26px; height: 26px;
  border-radius: 7px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3);
  transition: all 0.2s;
}
.lang-card:hover .card-arrow {
  background: var(--lang-color, var(--accent));
  border-color: var(--lang-color, var(--accent));
  color: white;
}
.card-arrow svg { width: 12px; height: 12px; }

/* Footer — home page */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text3);
}
.site-footer a { color: var(--accent); }

/* Footer — cheatsheet pages */
.cs-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text3);
  margin-top: 1rem;
}

/* ══════════════════════════════════════════════════════════
   CHEATSHEET PAGE
══════════════════════════════════════════════════════════ */

/* Top nav */
.cs-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
  gap: 1rem;
}
.cs-nav-left { display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 0; }

.back-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text2);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.6rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.18s;
  white-space: nowrap;
}
.back-btn:hover { color: var(--text); border-color: var(--border2); }
.back-btn svg { width: 12px; height: 12px; }

.cs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text2);
  min-width: 0;
}
.cs-breadcrumb .sep { color: var(--text3); }
.cs-breadcrumb .current {
  color: var(--lang-color, var(--accent));
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Search */
.cs-search-wrap { position: relative; flex-shrink: 0; }
.cs-search-wrap svg {
  position: absolute;
  left: 0.55rem; top: 50%;
  transform: translateY(-50%);
  width: 13px; height: 13px;
  color: var(--text3);
  pointer-events: none;
}
.cs-search {
  padding: 0.35rem 0.65rem 0.35rem 2rem;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.8rem;
  outline: none;
  width: 200px;
  transition: border-color 0.2s;
}
.cs-search:focus { border-color: var(--lang-color, var(--accent)); }
.cs-search::placeholder { color: var(--text3); }

/* Dark toggle */
.dark-btn {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.dark-btn:hover { border-color: var(--border2); color: var(--text); }
.dark-btn svg { width: 13px; height: 13px; }

/* Legacy badge support */
.cs-lang-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--lang-color, var(--accent));
}
.cs-lang-badge .badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lang-color, var(--accent));
  flex-shrink: 0;
}

/* Read progress */
.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--lang-color, var(--accent));
  z-index: 999;
  transition: width 0.08s linear;
}

/* Layout */
.cs-layout {
  display: flex;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem;
  gap: 2rem;
  align-items: flex-start;
}

/* Sidebar */
.cs-sidebar {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: 68px;
  max-height: calc(100vh - 88px);
  overflow-y: auto;
  padding-right: 0.5rem;
}
.cs-sidebar::-webkit-scrollbar { width: 3px; }
.cs-sidebar::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

.toc-header {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text3);
  margin-bottom: 0.5rem;
  padding-left: 0.5rem;
}
.toc-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  border-radius: 7px;
  font-size: 0.8rem;
  color: var(--text2);
  transition: all 0.15s;
  border-left: 2px solid transparent;
  line-height: 1.4;
}
.toc-link::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text3);
  flex-shrink: 0;
  transition: background 0.15s;
}
.toc-link:hover { color: var(--text); background: var(--surface); }
.toc-link.active {
  color: var(--lang-color, var(--accent));
  font-weight: 600;
  border-left-color: var(--lang-color, var(--accent));
  background: rgba(124,106,255,0.06);
}
.toc-link.active::before { background: var(--lang-color, var(--accent)); }

/* Main */
.cs-main { flex: 1; min-width: 0; }

/* Section */
.cs-section { margin-bottom: 3rem; scroll-margin-top: 68px; }

.cs-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border);
}
.cs-section-title .section-num {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--lang-color, var(--accent));
  color: #fff;
  width: 18px; height: 18px;
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  opacity: 0.85;
}

/* Grid */
.snippets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.875rem;
}

/* Card */
.snippet-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.18s;
}
.snippet-card:hover { border-color: var(--border2); }

.snippet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.8rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}
.snippet-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.snippet-desc {
  font-size: 0.72rem;
  color: var(--text2);
  padding: 0.4rem 0.8rem 0;
  line-height: 1.5;
}

/* Copy button */
.copy-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text3);
  padding: 0.22rem 0.5rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: inherit;
}
.copy-btn:hover { color: var(--lang-color, var(--accent)); border-color: var(--lang-color, var(--accent)); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }
.copy-btn svg { width: 10px; height: 10px; }

/* Code block */
pre.snippet-code {
  background: var(--code-bg) !important;
  border-radius: 0 !important;
  margin: 0 !important;
  padding: 0.85rem !important;
  overflow-x: auto;
  max-height: 280px;
  border: none !important;
}
pre.snippet-code::-webkit-scrollbar { height: 3px; width: 3px; }
pre.snippet-code::-webkit-scrollbar-thumb { background: #2e2e3e; border-radius: 3px; }
code[class*="language-"] {
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.76rem !important;
  line-height: 1.7 !important;
}

/* ── Prism token colors ───────────────────────────────── */
.token.comment, .token.prolog, .token.doctype { color: #4a5568; font-style: italic; }
.token.punctuation { color: #718096; }
.token.tag, .token.number, .token.boolean { color: #fc8181; }
.token.attr-name, .token.string, .token.char { color: #68d391; }
.token.selector { color: #76e4f7; }
.token.operator, .token.url, .token.entity { color: #90cdf4; }
.token.keyword, .token.atrule { color: #b794f4; }
.token.attr-value { color: #fbd38d; }
.token.function, .token.class-name { color: #f6ad55; }
.token.variable, .token.important { color: #fc8181; }
.token.property { color: #76e4f7; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .cs-sidebar { display: none; }
  .cs-layout { padding: 1rem; }
  .snippets-grid { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .stats-row { padding: 0 1.25rem; gap: 1.25rem; }
  .lang-section { padding: 2rem 1.25rem; }
  .topbar { padding: 0 1.25rem; }
}