/* Hermes Live docs site — dark, terminal-flavored, monospace-led */
:root {
  --bg:        #0d0f12;
  --bg-soft:   #14171c;
  --bg-card:   #181c22;
  --border:    #262b33;
  --border-2:  #3a4049;
  --fg:        #e4e6eb;
  --fg-mute:   #9aa3af;
  --fg-dim:    #6b7280;
  --accent:    #5cc8ff;     /* Gemini cyan */
  --accent-2:  #8b5cf6;     /* purple for highlight */
  --good:      #34d399;
  --warn:      #fbbf24;
  --bad:       #f87171;
  --code-bg:   #0a0c10;
  --code-fg:   #d4d4d4;
  --link:      #5cc8ff;
  --link-hov:  #9ad8ff;
  --shadow:    0 1px 0 rgba(255,255,255,0.04), 0 8px 24px rgba(0,0,0,0.4);
  --radius:    10px;
  --radius-sm: 6px;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hov); text-decoration: underline; text-underline-offset: 3px; }

/* ─────────── Layout ─────────── */
.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static !important; height: auto !important; border-right: none !important; border-bottom: 1px solid var(--border); }
}

/* ─────────── Sidebar ─────────── */
.sidebar {
  position: sticky; top: 0; align-self: start;
  height: 100vh;
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  padding: 22px 18px;
  overflow-y: auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; color: #0b0d10;
  font-size: 14px;
}
.brand-text {
  font-family: var(--mono); font-weight: 600; font-size: 14px;
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 11px; color: var(--fg-mute);
  font-family: var(--mono); letter-spacing: 0.04em;
  text-transform: uppercase;
}

.search {
  margin: 14px 0 18px;
}
.search input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-family: var(--mono); font-size: 12.5px;
  outline: none;
}
.search input:focus { border-color: var(--accent); }

.nav-section {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 0 6px 6px;
}
.nav a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: #b8c0cc;
  font-size: 13.5px;
  margin-bottom: 1px;
  border-left: 2px solid transparent;
}
.nav a:hover { background: var(--bg-card); color: var(--fg); text-decoration: none; }
.nav a.active {
  background: var(--bg-card);
  color: var(--accent);
  border-left-color: var(--accent);
}
.nav .badge {
  display: inline-block;
  font-size: 10px; font-family: var(--mono);
  background: var(--accent-2); color: white;
  padding: 1px 5px; border-radius: 4px;
  margin-left: 6px; vertical-align: middle;
  letter-spacing: 0.04em;
}

.sidebar-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--fg-dim);
  font-family: var(--mono);
}
.sidebar-foot a { color: var(--fg-mute); }

/* ─────────── Main ─────────── */
.main { min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13,15,18,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 10px 28px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 12.5px;
  color: var(--fg-mute);
}
.topbar .crumb { color: var(--fg); }
.topbar .sep   { color: var(--fg-dim); }
.topbar .right { margin-left: auto; display: flex; gap: 14px; }
.topbar .pill {
  padding: 2px 8px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  font-size: 11px;
}
.topbar .pill.good { color: var(--good); border-color: rgba(52,211,153,0.4); }
.topbar .pill.warn { color: var(--warn); border-color: rgba(251,191,36,0.4); }

.content {
  max-width: 920px;
  margin: 0 auto;
  padding: 36px 28px 80px;
}

/* ─────────── Hero (landing only) ─────────── */
.hero {
  position: relative;
  margin: 0 -28px 32px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 80% 60% at 80% 20%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(92, 200, 255, 0.15), transparent 60%),
    linear-gradient(180deg, #14171c 0%, #0d0f12 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  padding: 56px 28px 48px;
  max-width: 100%;
}
.hero-mark {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; color: #0b0d10;
  font-size: 26px;
  box-shadow: 0 0 32px rgba(92, 200, 255, 0.25);
  margin-bottom: 18px;
}
.hero-tag {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(13,15,18,0.6);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(92, 200, 255, 0.3);
  display: inline-block;
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--mono);
  font-size: 48px;
  line-height: 1.05;
  margin: 0 0 14px;
  color: var(--fg);
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 0%, #c0c8d2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.5;
  color: var(--fg-mute);
  margin: 0 0 22px;
  max-width: 620px;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.hero-pill {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg-mute);
}
.hero-pill.good { color: var(--good); border-color: rgba(52,211,153,0.4); }
.hero-pill.accent { color: var(--accent); border-color: rgba(92,200,255,0.4); background: rgba(92,200,255,0.08); }
.hero-art {
  position: absolute;
  right: -120px; top: -120px;
  width: 540px; height: 540px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(92, 200, 255, 0.35), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.35), transparent 55%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 700px) {
  .hero-title { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .hero-inner { padding: 36px 24px 32px; }
  .hero-art { display: none; }
}

/* ─────────── Typography ─────────── */
h1, h2, h3, h4 { font-family: var(--mono); color: var(--fg); letter-spacing: -0.005em; }
h1 { font-size: 32px; margin: 0 0 8px; line-height: 1.2; }
h1 .lede { color: var(--fg-mute); font-size: 16px; font-weight: 400; margin-top: 8px; }
h2 { font-size: 22px; margin: 36px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
h3 { font-size: 17px; margin: 24px 0 8px; color: var(--accent); }
h4 { font-size: 14px; margin: 18px 0 6px; color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.06em; }
p  { margin: 0 0 14px; color: var(--fg); }
hr { border: 0; border-top: 1px solid var(--border); margin: 28px 0; }

strong { color: var(--fg); }
em     { color: var(--fg-mute); }
blockquote {
  margin: 16px 0; padding: 10px 16px;
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--fg-mute);
}
blockquote p:last-child { margin-bottom: 0; }

/* ─────────── Tables ─────────── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 22px;
  font-size: 13.5px;
}
th, td {
  text-align: left;
  padding: 8px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
tbody tr:nth-child(even) td { background: rgba(255,255,255,0.015); }

/* ─────────── Code ─────────── */
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 1.5px 5px;
  border-radius: 4px;
  color: #f0a8ff;
  border: 1px solid var(--border);
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 14px 0 22px;
  font-size: 13px;
  line-height: 1.55;
  position: relative;
}
pre code {
  background: transparent; border: 0; padding: 0; color: var(--code-fg);
  font-size: inherit;
}
pre .lang {
  position: absolute; top: 8px; right: 12px;
  font-family: var(--mono); font-size: 10px; color: var(--fg-dim);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pre-wrap { position: relative; }
.copy-btn {
  position: absolute; top: 6px; right: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg-mute);
  font-family: var(--mono); font-size: 10.5px;
  padding: 3px 8px; border-radius: 4px;
  cursor: pointer; opacity: 0;
  transition: opacity 0.15s;
}
pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }
.copy-btn.copied { color: var(--good); border-color: var(--good); }

/* ─────────── Lists ─────────── */
ul, ol { margin: 0 0 14px; padding-left: 22px; }
li { margin: 4px 0; }
li::marker { color: var(--fg-dim); }

/* ─────────── Cards / feature grid ─────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 18px 0 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.card h3 {
  margin: 0 0 6px;
  font-size: 14px;
  color: var(--fg);
}
.card p { color: var(--fg-mute); font-size: 13.5px; margin: 0; }
.card .icon {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ─────────── Status / callouts ─────────── */
.callout {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin: 14px 0 22px;
  font-size: 14px;
}
.callout.warn  { border-left-color: var(--warn); }
.callout.bad   { border-left-color: var(--bad); }
.callout.good  { border-left-color: var(--good); }
.callout .ico {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 1px;
}
.callout.warn .ico { color: var(--warn); }
.callout.bad  .ico { color: var(--bad); }
.callout.good .ico { color: var(--good); }

/* ─────────── Page footer / pager ─────────── */
.pager {
  display: flex; gap: 12px;
  margin-top: 48px; padding-top: 22px;
  border-top: 1px solid var(--border);
}
.pager a {
  flex: 1; display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--fg);
}
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager .label {
  font-family: var(--mono); font-size: 11px;
  color: var(--fg-dim); letter-spacing: 0.08em; text-transform: uppercase;
  display: block; margin-bottom: 4px;
}
.pager .title { color: var(--fg); font-weight: 500; }
.pager .next { text-align: right; }

.foot {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--fg-dim);
  font-family: var(--mono);
  text-align: center;
}
.foot a { color: var(--fg-mute); }

/* ─────────── TOC (right rail on wide screens) ─────────── */
.toc {
  position: fixed; top: 80px; right: 24px;
  width: 200px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  font-size: 12.5px;
  display: none;
}
@media (min-width: 1400px) { .toc { display: block; } }
.toc-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 8px;
}
.toc a {
  display: block;
  padding: 3px 0 3px 10px;
  color: var(--fg-mute);
  border-left: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.4;
}
.toc a:hover { color: var(--accent); border-left-color: var(--accent); text-decoration: none; }
.toc a.h3 { padding-left: 22px; font-size: 11.5px; }

/* ─────────── TOC for landing ─────────── */
.landing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 22px 0;
}
@media (max-width: 700px) { .landing-grid { grid-template-columns: 1fr; } }
.landing-grid .card h3 a { color: var(--fg); }
.landing-grid .card h3 a:hover { color: var(--accent); text-decoration: none; }

/* selection */
::selection { background: var(--accent); color: #0b0d10; }