*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #050505; --bg2: #0A0A0A; --bg3: #0E0E0E; --border: #1F1F1F; --border2: #2A2A2A;
  --text: #A3A3A3; --text2: #8B8B8B; --text3: #555; --white: #FFFFFF; --accent: #FFFFFF;
  --code-bg: #0A0A0A; --error: #F87171; --warn: #FBBF24; --ok: #34D399; --radius: 8px;
}
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; font-size: 15px; -webkit-font-smoothing: antialiased; }
a { color: var(--white); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Skip link */
.skip-link { position: absolute; top: -100%; left: 0; background: var(--white); color: var(--bg); padding: 8px 12px; z-index: 999; border-radius: 0 0 var(--radius) 0; font-weight: 600; font-size: 13px; }
.skip-link:focus { top: 0; }

/* Layout */
.layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
@media (max-width: 768px) { .layout { grid-template-columns: 1fr; } }

/* Sidebar */
.sidebar { position: fixed; top: 0; left: 0; width: 260px; height: 100vh; background: var(--bg); border-right: 1px solid var(--border); padding: 24px 16px; overflow-y: auto; z-index: 40; display: flex; flex-direction: column; }
.sidebar .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; flex-shrink: 0; }
.sidebar .logo-mark { width: 32px; height: 32px; background: var(--white); border-radius: 8px; display: grid; place-items: center; color: var(--bg); font-weight: 800; font-size: 14px; }
.sidebar .logo-text { font-size: 16px; font-weight: 600; color: var(--white); letter-spacing: -0.02em; }
.sidebar .logo-text small { display: block; font-size: 11px; font-weight: 400; color: var(--text3); letter-spacing: 0; margin-top: 2px; }
.nav-section { margin-bottom: 24px; }
.nav-section-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text3); margin-bottom: 8px; padding: 0 8px; }
.nav-link { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; border-radius: 6px; font-size: 13.5px; color: var(--text); transition: all 0.12s; }
.nav-link:hover { background: var(--bg2); color: var(--white); text-decoration: none; }
.nav-link.active { background: var(--bg2); color: var(--white); font-weight: 500; }
.nav-divider { height: 1px; background: var(--border); margin: 16px 0; }
.nav-arrow { font-size: 11px; color: var(--text3); }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s ease; width: 280px; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 35; }
  .sidebar-overlay.open { display: block; }
  .mobile-toggle { display: flex !important; }
  .mobile-close { display: flex !important; }
}
.mobile-toggle { display: none; position: fixed; top: 12px; left: 12px; z-index: 50; width: 36px; height: 36px; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; align-items: center; justify-content: center; color: var(--white); cursor: pointer; }
.mobile-close { display: none; position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; align-items: center; justify-content: center; color: var(--text); cursor: pointer; font-size: 18px; }

/* Main */
.main { margin-left: 260px; padding: 0; max-width: 100%; }
@media (max-width: 768px) { .main { margin-left: 0; } }
.content { max-width: 840px; margin: 0 auto; padding: 56px 24px 100px; }

/* Typography */
h1 { font-size: 36px; font-weight: 600; color: var(--white); letter-spacing: -0.03em; margin-bottom: 16px; line-height: 1.2; }
h2 { font-size: 24px; font-weight: 600; color: var(--white); letter-spacing: -0.02em; margin: 56px 0 16px; padding-top: 8px; border-top: 1px solid var(--border); }
h3 { font-size: 17px; font-weight: 600; color: var(--white); margin: 28px 0 10px; }
p { margin-bottom: 14px; }
.lead { font-size: 17px; color: var(--text2); margin-bottom: 28px; max-width: 65ch; }

/* Components */
.badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.02em; }
.badge-get { background: rgba(52, 211, 153, 0.12); color: var(--ok); }
.badge-post { background: rgba(96, 165, 250, 0.12); color: #60A5FA; }
.badge-warn { background: rgba(251, 191, 36, 0.12); color: var(--warn); }
.badge-err { background: rgba(248, 113, 113, 0.12); color: var(--error); }

.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin: 16px 0; }
.card-title { font-size: 13px; font-weight: 600; color: var(--white); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }

.callout { background: var(--bg2); border-left: 3px solid var(--white); border-radius: 0 8px 8px 0; padding: 14px 16px; margin: 18px 0; font-size: 13.5px; }
.callout.warn { border-left-color: var(--warn); }
.callout.error { border-left-color: var(--error); }

/* Code */
code { font-family: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace; font-size: 12.5px; }
.code-block { background: var(--code-bg); border: 1px solid var(--border); border-radius: 8px; padding: 16px; overflow-x: auto; margin: 14px 0; position: relative; -webkit-overflow-scrolling: touch; }
.code-block code { display: block; color: #D4D4D4; white-space: pre; line-height: 1.6; }
.code-block .kw { color: #C084FC; } .code-block .str { color: #34D399; } .code-block .cm { color: #6B7280; font-style: italic; } .code-block .num { color: #FBBF24; } .code-block .fn { color: #60A5FA; }
.copy-btn { position: absolute; top: 8px; right: 8px; background: var(--bg3); border: 1px solid var(--border2); border-radius: 5px; padding: 4px 8px; font-size: 11px; color: var(--text3); cursor: pointer; }
.copy-btn:hover { color: var(--white); border-color: var(--text3); }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 14px 0; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }
th { text-align: left; font-weight: 500; color: var(--text2); padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; background: var(--bg2); }
td { padding: 11px 14px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:last-child td { border-bottom: none; }
td code { font-size: 12px; background: var(--bg2); padding: 2px 6px; border-radius: 3px; color: #D4D4D4; }

/* CTA */
.cta { display: inline-flex; align-items: center; gap: 8px; background: var(--white); color: var(--bg); padding: 10px 18px; border-radius: 8px; font-size: 13.5px; font-weight: 600; margin-top: 8px; }
.cta:hover { background: #E5E5E5; text-decoration: none; }

/* Breadcrumb */
.breadcrumb { font-size: 13px; color: var(--text3); margin-bottom: 24px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text2); }
.breadcrumb a:hover { color: var(--white); }

/* Footer */
footer { margin-top: 80px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--text3); }
footer a { color: var(--text3); }
footer a:hover { color: var(--white); }

/* Responsive tweaks */
@media (max-width: 768px) {
  h1 { font-size: 28px; }
  h2 { font-size: 20px; margin: 40px 0 14px; }
  h3 { font-size: 16px; }
  p { font-size: 14.5px; }
  .content { padding: 80px 18px 80px; }
  .code-block { padding: 14px; border-radius: 6px; }
  .card { padding: 16px; }
}