:root, [data-theme="violet-rose"] {
  --surface: #FFFFFF;
  --navy: #090D16;
  --ink: #0F172A;
  --primary: #6D28D9;
  --secondary: #E11D48;
  --soft: #F5F3FF;
  --soft-border: #DDD6FE;
  --gradient: linear-gradient(135deg, #4C1D95 0%, #6D28D9 52%, #E11D48 100%);
  --mesh-a: rgba(109, 40, 217, 0.08);
  --mesh-b: rgba(225, 29, 72, 0.07);
  --muted: #475569;
  --border: #E2E8F0;
  --radius: 16px;
}
[data-theme="obsidian-emerald"] {
  --primary: #059669;
  --secondary: #0284C7;
  --soft: #ECFDF5;
  --soft-border: #A7F3D0;
  --gradient: linear-gradient(135deg, #0F172A 0%, #059669 58%, #0284C7 100%);
  --mesh-a: rgba(5, 150, 105, 0.08);
  --mesh-b: rgba(2, 132, 199, 0.07);
}
[data-theme="indigo-coral"] {
  --primary: #4338CA;
  --secondary: #EA580C;
  --soft: #EEF2FF;
  --soft-border: #C7D2FE;
  --gradient: linear-gradient(135deg, #1E1B4B 0%, #4338CA 52%, #EA580C 100%);
  --mesh-a: rgba(67, 56, 202, 0.08);
  --mesh-b: rgba(234, 88, 12, 0.07);
}
[data-theme="crimson-plum"] {
  --primary: #BE123C;
  --secondary: #7E22CE;
  --soft: #FFF1F2;
  --soft-border: #FECDD3;
  --gradient: linear-gradient(135deg, #4C0519 0%, #BE123C 52%, #7E22CE 100%);
  --mesh-a: rgba(190, 18, 60, 0.08);
  --mesh-b: rgba(126, 34, 206, 0.07);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #FFFFFF;
  background-image:
    radial-gradient(at 10% 6%, var(--mesh-a) 0px, transparent 48%),
    radial-gradient(at 90% 10%, var(--mesh-b) 0px, transparent 46%),
    radial-gradient(#CBD5E1 0.85px, transparent 0.85px);
  background-size: 100% 100%, 100% 100%, 24px 24px;
  color: var(--ink);
  line-height: 1.65;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
header.topbar {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 10px 0;
  gap: 16px;
  flex-wrap: wrap;
}
.brand-lockup { display: inline-flex; align-items: center; gap: 12px; text-decoration: none !important; }
.brand-mark-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(109, 40, 217, 0.24);
}
.brand-mark-box svg { width: 26px; height: 26px; }
.brand-word-main { font-size: 21px; font-weight: 900; color: var(--navy); letter-spacing: -0.04em; }
.brand-word-main span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.brand-sub { font-size: 9px; font-weight: 800; letter-spacing: 0.16em; color: var(--muted); text-transform: uppercase; display: block; }
.nav-links { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 0.9rem; font-weight: 650; }
.nav-links a { color: var(--muted); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); text-decoration: none; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 10px;
  font-weight: 750;
  font-size: 0.88rem;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none !important;
}
.btn-primary { background: var(--gradient); color: #fff !important; }
.btn-outline { border-color: var(--border); background: #fff; color: var(--ink) !important; }
.hero {
  background: var(--gradient);
  color: #fff;
  padding: 54px 0;
}
.hero h1 { font-size: 2.25rem; font-weight: 900; margin-bottom: 12px; letter-spacing: -0.025em; }
.hero p { color: rgba(255,255,255,0.9); max-width: 740px; font-size: 1.06rem; margin-bottom: 24px; }
.search-box { max-width: 640px; position: relative; }
.search-box input {
  width: 100%;
  padding: 15px 20px;
  border-radius: 12px;
  border: 2px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.98);
  color: var(--navy);
  font-size: 1rem;
  font-family: inherit;
}
.search-results {
  margin-top: 8px;
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(11,25,44,0.18);
  border: 1px solid var(--border);
  display: none;
  max-height: 360px;
  overflow-y: auto;
}
.search-results a {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}
.search-results a:hover { background: var(--soft); text-decoration: none; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; margin: 36px 0; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 8px 24px rgba(15,23,42,0.04);
}
.card h2, .card h3 { color: var(--navy); margin-bottom: 10px; }
.sticker-thumb { width: 76px; height: 76px; object-fit: contain; margin-bottom: 14px; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--soft);
  color: var(--primary);
  border: 1px solid var(--soft-border);
}
.manual-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  margin: 40px 0;
}
@media (max-width: 900px) {
  .manual-layout { grid-template-columns: 1fr; }
}
.sidebar-nav {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 92px;
}
.sidebar-nav h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 12px; }
.sidebar-nav ul { list-style: none; }
.sidebar-nav li { margin-bottom: 6px; }
.sidebar-nav a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--ink); font-size: 0.86rem; font-weight: 650; }
.sidebar-nav a.active, .sidebar-nav a:hover { background: var(--soft); color: var(--primary); text-decoration: none; }
.article-content {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.article-content h2 { font-size: 1.5rem; color: var(--navy); margin: 28px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { font-size: 1.15rem; color: var(--ink); margin: 20px 0 8px; }
.article-content p, .article-content li { color: #334155; margin-bottom: 10px; }
.article-content ul, .article-content ol { padding-inline-start: 22px; margin-bottom: 16px; }
.code-block {
  background: #0F172A;
  color: #E2E8F0;
  padding: 16px 20px;
  border-radius: 12px;
  font-family: monospace;
  font-size: 0.87rem;
  overflow-x: auto;
  margin: 14px 0;
  direction: ltr;
  text-align: left;
}
.callout {
  border-inline-start: 4px solid var(--primary);
  background: var(--soft);
  padding: 16px 20px;
  border-radius: 10px;
  margin: 18px 0;
}
table.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.92rem;
}
table.doc-table th, table.doc-table td {
  border: 1px solid var(--border);
  padding: 11px 14px;
  text-align: start;
}
table.doc-table th { background: #F8FAFC; font-weight: 750; color: var(--navy); }
footer.site-footer {
  background: var(--navy);
  color: #94A3B8;
  padding: 44px 0;
  margin-top: 64px;
  font-size: 0.9rem;
}
footer.site-footer a { color: #E2E8F0; }