:root {
  --bg: #0b0c10;
  --surface: #12131a;
  --surface-hover: #1c1d26;
  --border: #24272e;
  --text: #f0f0f2;
  --text-muted: #ccccdc;
  --text-dim: #7f7f8f;
  --pink: #ff4794;
  --blue: #3274d9;
  --green: #73bf69;
  --orange: #ff9830;
  --mono: "JetBrains Mono", monospace;
  --sans: "Inter", -apple-system, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
}

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

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s;
}

code,
pre {
  font-family: var(--mono);
}

/* TOPBAR */
.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 12, 16, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  min-height: 64px;
  width: min(1200px, calc(100% - 60px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo {
  height: 45px;
  width: auto;
}

.topbar nav {
  display: flex;
  gap: 32px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.topbar nav a:hover,
.topbar nav a.active {
  color: var(--pink);
}

/* LAYOUT */
.layout {
  width: min(1200px, calc(100% - 60px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 60px;
  padding: 60px 0 120px;
}

/* SIDEBAR */
.sidebar {
  position: sticky;
  top: 124px;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  padding-right: 20px;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.sidebar-title {
  margin: 32px 0 12px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  font-weight: 700;
}

.sidebar-title:first-child { margin-top: 0; }

.sidebar-link {
  display: block;
  padding: 8px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-left: 2px solid transparent;
  padding-left: 16px;
  margin-left: -2px;
}

.sidebar-link:hover {
  color: #fff;
  border-left-color: var(--border);
}

.sidebar-link.active {
  color: var(--pink);
  font-weight: 600;
  border-left-color: var(--pink);
}

/* CONTENT */
.content {
  min-width: 0;
  max-width: 800px;
}

.intro {
  margin-bottom: 80px;
}

.eyebrow {
  display: inline-block;
  color: var(--pink);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
  background: rgba(255, 71, 148, 0.1);
  padding: 4px 12px;
  border-radius: 4px;
}

.intro h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
}

.intro p {
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: 1.2rem;
  line-height: 1.5;
}

.quick-links {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.quick-links a {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--surface);
  font-weight: 500;
}

.quick-links a:hover {
  color: #fff;
  border-color: var(--pink);
  background: rgba(255, 71, 148, 0.05);
}

/* DOC BLOCKS */
.doc-block {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.doc-block:first-child { border-top: none; }

.doc-block h2 {
  margin: 0 0 24px;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.doc-block h3 {
  margin: 40px 0 16px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.doc-block p,
.doc-block li {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.doc-block ul {
  margin: 0 0 24px 20px;
  padding: 0;
  list-style-type: none;
}

.doc-block ul li {
    position: relative;
    padding-left: 20px;
}

.doc-block ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--pink);
    font-weight: 800;
}

.doc-block code {
  background: #1c1d26;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--pink);
  font-size: 0.9em;
  font-weight: 500;
}

.doc-block pre {
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #090b0e;
  padding: 24px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #e0e0e0;
  position: relative;
  box-shadow: var(--shadow-md);
}

.doc-block pre code {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

/* CALLOUTS */
.callout {
    padding: 20px 24px;
    border-radius: 8px;
    margin: 32px 0;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.callout-info {
    background: rgba(50, 116, 217, 0.1);
    border-color: rgba(50, 116, 217, 0.3);
}

.callout-tip {
    background: rgba(115, 191, 105, 0.1);
    border-color: rgba(115, 191, 105, 0.3);
}

.callout strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.callout-info strong { color: var(--blue); }
.callout-tip strong { color: var(--green); }

/* TABLES */
.doc-block table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.doc-block thead th {
  text-align: left;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--surface);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.doc-block tbody td {
  border-bottom: 1px solid var(--border);
  padding: 16px;
  vertical-align: middle;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.doc-block tbody tr:last-child td { border-bottom: none; }

.doc-block tbody tr:hover td { background: rgba(255,255,255,0.02); }

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 10px;
  font-size: 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
}

.copy-btn:hover { border-color: var(--text-muted); color: #fff; background: var(--surface); }
.copy-btn.success { background: var(--green); color: #fff; border-color: var(--green); }


/* REFERENCE HEADER */
.reference-header {
    padding: 80px 0 20px;
    border-top: 1px solid var(--border);
    margin-top: 80px;
}

.reference-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 12px 0;
}

.reference-header p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; gap: 40px; }
  .sidebar { display: none; }
  .content { max-width: 100%; }
}

@media (max-width: 768px) {
  .topbar nav { display: none; }
  .intro h1 { font-size: 2.2rem; }
  .doc-block table, thead, tbody, th, td, tr { display: block; }
  .doc-block thead { display: none; }
  .doc-block tbody td { border: none; padding: 8px 16px; }
  .doc-block tbody td:first-child { font-weight: 800; color: #fff; padding-top: 16px; }
  .doc-block tbody td:last-child { border-bottom: 1px solid var(--border); padding-bottom: 16px; }
}