/* ── mycelium design system ── */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@1,600&family=IBM+Plex+Sans:wght@400;500&display=swap');

:root {
  --bg: #05090f;
  --surface: #080e18;
  --card: #0c1524;
  --border: #162035;
  --border2: #1e2d42;
  --accent: #38bdf8;
  --accent2: #7dd3fc;
  --blue: #818cf8;
  --green: #34d399;
  --purple: #c084fc;
  --cyan: #67e8f9;
  --yellow: #67e8f9; /* alias for cyan — used in dataflow */
  --text: #e2eaf6;
  --muted: #4a6080;
  --dim: #1e2d42;
  --sidebar-width: 240px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
}

/* ── MYCELIUM CANVAS BG ── */
#mycelium-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

/* ── TOP NAV ── */
.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 62px;
  background: rgba(5, 9, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 29px;
  gap: 24px;
  z-index: 100;
}
.topnav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 600;
  font-style: italic;
  font-size: 24px;
  letter-spacing: -0.01em;
}
.topnav-brand img {
  width: 31px;
  height: 31px;
  object-fit: contain;
}
.topnav-sep {
  color: var(--border2);
  font-size: 1.35rem;
  font-weight: 200;
}
.topnav-page {
  font-size: 0.975rem;
  color: var(--muted);
  font-family: 'SF Mono', 'Fira Mono', monospace;
  transition: color 0.15s;
}
a.topnav-page:hover { color: var(--accent); }
.topnav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 19px;
}
.topnav-right a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  font-family: 'SF Mono', monospace;
  transition: color 0.2s;
}
.topnav-right a:hover { color: var(--accent); }
.copy-page-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  font-family: 'SF Mono', monospace;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.copy-page-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-page-btn.copied { border-color: var(--green); color: var(--green); }

/* ── LAYOUT ── */
.layout {
  display: flex;
  padding-top: 62px;
  min-height: 100vh;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: fixed;
  top: 62px;
  bottom: 0;
  overflow-y: auto;
  padding: 28px 0 40px;
  border-right: 1px solid var(--border);
  background: rgba(5, 9, 15, 0.85);
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.nav-section {
  margin-bottom: 28px;
  padding: 0 20px;
}
.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: 'SF Mono', monospace;
  margin-bottom: 8px;
  padding-left: 8px;
}
.nav-link {
  display: block;
  padding: 5px 8px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color 0.15s, background 0.15s;
  line-height: 1.4;
}
.nav-link:hover { color: var(--text); background: var(--card); }
.nav-link.active { color: var(--accent); background: rgba(56,189,248,0.08); }
.nav-link.sub {
  padding-left: 20px;
  font-size: 0.8125rem;
}

/* ── MAIN CONTENT ── */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 56px 64px 80px 72px;
  min-width: 0;
  background: rgba(5, 9, 15, 0.25);
}
.main-inner {
  max-width: 70ch;
  margin: 0 auto;
  background: rgba(5, 9, 15, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 48px 56px;
}

/* ── SECTIONS ── */
.doc-section {
  margin-bottom: 72px;
  padding-top: 8px;
}


.section-eyebrow {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: 'SF Mono', monospace;
  margin-bottom: 12px;
}

h1 {
  font-size: 2.375rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-family: 'Cormorant Garamond', Georgia, serif;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  margin-top: 40px;
  color: var(--text);
}

h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 10px;
  margin-top: 28px;
  color: var(--accent2);
  font-family: 'SF Mono', monospace;
  letter-spacing: 0.02em;
}

p {
  color: var(--text);
  margin-bottom: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* ── CODE ── */
code {
  font-family: 'SF Mono', 'Fira Mono', 'Menlo', monospace;
  font-size: 13px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--accent2);
}

pre {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 16px 0 24px;
  position: relative;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--text);
  line-height: 1.65;
}
.pre-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: 'SF Mono', monospace;
  margin-bottom: 8px;
}

.install-block {
  position: relative;
}
.install-copy-btn {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  background: rgba(12, 21, 36, 0.5);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
  padding: 5px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.install-copy-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--card); }
.install-copy-btn.copied { border-color: var(--green); color: var(--green); }
.install-copy-btn svg { width: 13px; height: 13px; stroke: currentColor; }
.install-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.install-tab {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
  font-size: 11px;
  font-family: 'SF Mono', monospace;
  padding: 4px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.install-tab:hover { border-color: var(--accent); color: var(--accent); }
.install-tab.active { border-color: var(--accent); color: var(--accent); background: rgba(56,189,248,0.08); }

/* ── SYNTAX HIGHLIGHTING ── */
.comment { color: var(--muted); }
.kw { color: var(--purple); }
.str { color: var(--green); }
.flag { color: var(--cyan); }
.cmd { color: var(--accent); }
.arg { color: var(--purple); font-style: italic; }

/* ── CALLOUTS ── */
.callout {
  border-radius: 10px;
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  display: flex;
}
.callout-bar {
  width: 4px;
  flex-shrink: 0;
  border-radius: 10px 0 0 10px;
}
.callout-body {
  padding: 14px 18px;
  border-radius: 0 10px 10px 0;
  flex: 1;
}
.callout-info .callout-bar { background: var(--accent); }
.callout-info .callout-body {
  background: rgba(56,189,248,0.06);
  color: var(--accent2);
}
.callout-note .callout-bar { background: var(--purple); }
.callout-note .callout-body {
  background: rgba(192,132,252,0.06);
  color: #d8b4fe;
}
.callout strong { color: inherit; }

/* ── TABLE ── */
.table-wrap { overflow-x: auto; margin: 20px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border2);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: 'SF Mono', monospace;
  font-weight: 600;
}
td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.5;
}
tr:last-child td { border-bottom: none; }
td:first-child { color: var(--accent2); font-family: 'SF Mono', monospace; font-size: 13px; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ── CARDS ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: 16px;
  margin: 24px 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border2); }
.card-icon {
  margin-bottom: 10px;
  color: var(--accent);
}
.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.card-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── BADGE ── */
.badge {
  display: inline-block;
  font-size: 11px;
  font-family: 'SF Mono', monospace;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  vertical-align: middle;
}
.badge-blue   { background: rgba(129,140,248,0.15); color: var(--blue);   border: 1px solid rgba(129,140,248,0.25); }
.badge-green  { background: rgba(52,211,153,0.12);  color: var(--green);  border: 1px solid rgba(52,211,153,0.2); }
.badge-purple { background: rgba(192,132,252,0.12); color: var(--purple); border: 1px solid rgba(192,132,252,0.2); }

/* ── CHIPS (used in dataflow) ── */
.chip {
  display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 11px;
  font-weight: 600; letter-spacing: 0.05em; font-family: 'SF Mono', monospace;
}
.chip-o { background: rgba(56,189,248,0.1);   color: var(--accent2); border: 1px solid rgba(56,189,248,0.25); }
.chip-b { background: rgba(129,140,248,0.1);  color: var(--blue);    border: 1px solid rgba(129,140,248,0.25); }
.chip-g { background: rgba(52,211,153,0.08);  color: var(--green);   border: 1px solid rgba(52,211,153,0.2); }
.chip-p { background: rgba(192,132,252,0.1);  color: var(--purple);  border: 1px solid rgba(192,132,252,0.22); }
.chip-y { background: rgba(103,232,249,0.08); color: var(--yellow);  border: 1px solid rgba(103,232,249,0.2); }

/* ── CMD REF ── */
.cmd-ref {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 12px 0;
  overflow: hidden;
}
.cmd-ref-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.cmd-ref-header code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}
.cmd-ref-desc {
  font-size: 13px;
  color: var(--muted);
}
.cmd-ref-body {
  padding: 16px 20px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text);
  opacity: 0.85;
}

/* ── STEP LIST ── */
.steps {
  counter-reset: step;
  list-style: none;
  margin: 20px 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  margin-bottom: 20px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  font-family: 'SF Mono', monospace;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── HEADER ANCHOR LINKS ── */
h2[id], h3[id] {
  position: relative;
}
.header-anchor {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  opacity: 0;
  transition: opacity 0.15s;
  vertical-align: middle;
  color: var(--muted);
  text-decoration: none;
}
.header-anchor:hover { color: var(--accent); text-decoration: none; }
.header-anchor svg { width: 16px; height: 16px; stroke: currentColor; }
h2:hover .header-anchor,
h3:hover .header-anchor,
.header-anchor:focus { opacity: 1; }

/* ── COPY DOCS CMD BUTTON ── */
.copy-docs-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  font-family: 'SF Mono', monospace;
  padding: 5px 12px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.copy-docs-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-docs-btn.copied { border-color: var(--green); color: var(--green); }

/* ── RESOURCES DROPDOWN ── */
.resources-dropdown {
  position: relative;
  display: none;
}
.resources-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  font-family: 'SF Mono', monospace;
  padding: 5px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.resources-btn:hover { border-color: var(--accent); color: var(--accent); }
.resources-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  min-width: 180px;
  z-index: 100;
}
.resources-menu.open { display: block; }
.resources-menu a {
  display: block;
  padding: 8px 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-family: 'SF Mono', monospace;
  border-radius: 5px;
  transition: background 0.15s, color 0.15s;
}
.resources-menu a:hover { background: rgba(56,189,248,0.08); color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 32px 24px 60px; }
  .resources-dropdown { display: block; }
  .copy-page-btn { display: none; }
  .copy-docs-btn { display: none; }
}
@media (max-width: 600px) {
  body { overflow-x: hidden; }
  .topnav { padding: 0 16px; gap: 12px; }
  .topnav-sep, .topnav-page { display: none; }
  .topnav-right { gap: 12px; }
  .main { padding: 24px 16px 60px; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.25rem; }
  .main-inner { padding: 24px 16px 32px; }
  pre { font-size: 0.75rem; overflow-x: auto; }
  .cmd-ref-header code { font-size: 0.75rem; word-break: break-all; }
}