/* ==========================================================================
   BotNexus Docs — design tokens
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #06070c;
  --bg-elevated: #0d0f18;
  --bg-elevated-2: #12141f;
  --border: #1c2030;
  --border-soft: #171a27;
  --text: #e8eaf0;
  --text-muted: #8b91a7;
  --text-faint: #565c73;
  --accent-blue: #6c8cff;
  --accent-teal: #2dd4bf;
  --accent-gradient: linear-gradient(135deg, #6c8cff 0%, #2dd4bf 100%);
  --badge-bg: rgba(34, 197, 94, 0.08);
  --badge-border: rgba(45, 212, 191, 0.35);
  --badge-dot: #2dd4bf;
  --code-bg: #10121c;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --radius: 10px;
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

html[data-theme='light'] {
  --bg: #ffffff;
  --bg-elevated: #f6f7fb;
  --bg-elevated-2: #eef0f6;
  --border: #e4e6f0;
  --border-soft: #edeef5;
  --text: #12131c;
  --text-muted: #565c73;
  --text-faint: #9298ac;
  --accent-blue: #4a63e0;
  --accent-teal: #0d9c8a;
  --accent-gradient: linear-gradient(135deg, #4a63e0 0%, #0d9c8a 100%);
  --badge-bg: rgba(13, 156, 138, 0.06);
  --badge-border: rgba(13, 156, 138, 0.3);
  --badge-dot: #0d9c8a;
  --code-bg: #f2f3f9;
  --shadow: 0 8px 30px rgba(20, 24, 50, 0.08);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

a { color: inherit; text-decoration: none; }
code, pre, .mono { font-family: var(--font-mono); }

::selection { background: var(--accent-teal); color: #06070c; }

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}

/* ==========================================================================
   Topbar
   ========================================================================== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.topbar-logo .mark {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.topbar-logo .mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.topbar-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 4px;
}

.topbar-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 13.5px;
}
.topbar-search input::placeholder { color: var(--text-faint); }
.topbar-search input:focus { outline: none; border-color: var(--accent-teal); }

.topbar-search .icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  pointer-events: none;
}

.topbar-search .kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 5px;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-height: 360px;
  overflow-y: auto;
  display: none;
  padding: 6px;
}
.search-results.open { display: block; }
.search-results a {
  display: block;
  padding: 9px 10px;
  border-radius: 7px;
  font-size: 13px;
}
.search-results a:hover, .search-results a.active { background: var(--bg-elevated-2); }
.search-results .sr-title { color: var(--text); font-weight: 600; }
.search-results .sr-section { color: var(--text-faint); font-size: 11px; margin-top: 1px; }
.search-results .sr-empty { padding: 14px 10px; color: var(--text-faint); font-size: 13px; }

.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13.5px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.topbar-links a:hover { color: var(--text); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent-teal); }
.theme-toggle svg { width: 16px; height: 16px; }
html[data-theme='dark'] .theme-toggle .icon-sun { display: block; }
html[data-theme='dark'] .theme-toggle .icon-moon { display: none; }
html[data-theme='light'] .theme-toggle .icon-sun { display: none; }
html[data-theme='light'] .theme-toggle .icon-moon { display: block; }

.btn-invite {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: #06070c;
  font-weight: 700;
  font-size: 13.5px;
  flex-shrink: 0;
  white-space: nowrap;
}
.btn-invite:hover { filter: brightness(1.08); }

/* ==========================================================================
   Layout
   ========================================================================== */

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 220px;
  max-width: 1400px;
  margin: 0 auto;
}

/* Left sidebar */
.sidebar {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 28px 16px 40px;
  border-right: 1px solid var(--border-soft);
  background: var(--bg);
}
.sidebar-group { margin-bottom: 22px; }
.sidebar-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 0 10px 8px;
}
.sidebar-link {
  display: block;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 1px;
  border-left: 2px solid transparent;
}
.sidebar-link:hover { color: var(--text); background: var(--bg-elevated); }
.sidebar-link.active {
  color: var(--text);
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent-teal);
  font-weight: 600;
}

/* Main content */
.content {
  min-width: 0;
  padding: 40px 48px 100px;
}
.content-inner { max-width: 720px; }

.breadcrumb {
  font-size: 12.5px;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.breadcrumb .sep { margin: 0 6px; }

h1.page-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.page-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 28px;
  max-width: 60ch;
}

.content h2 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 40px 0 14px;
  padding-top: 4px;
  scroll-margin-top: 76px;
}
.content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 26px 0 10px;
  scroll-margin-top: 76px;
}
.content p { color: var(--text-muted); margin: 0 0 16px; }
.content ul, .content ol { color: var(--text-muted); margin: 0 0 16px; padding-left: 20px; }
.content li { margin-bottom: 6px; }
.content li::marker { color: var(--text-faint); }
.content strong { color: var(--text); font-weight: 600; }
.content a.inline-link { color: var(--accent-teal); border-bottom: 1px solid color-mix(in srgb, var(--accent-teal) 40%, transparent); }
.content a.inline-link:hover { border-color: var(--accent-teal); }

code.inline {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 1.5px 6px;
  border-radius: 5px;
  color: var(--accent-teal);
}

pre.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}

.callout {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  margin: 0 0 20px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.callout .callout-icon { flex-shrink: 0; margin-top: 1px; }
.callout.tip { border-color: color-mix(in srgb, var(--accent-teal) 35%, var(--border)); background: color-mix(in srgb, var(--accent-teal) 6%, var(--bg-elevated)); }
.callout.tip .callout-icon { color: var(--accent-teal); }
.callout.warn { border-color: color-mix(in srgb, #f0b429 35%, var(--border)); background: color-mix(in srgb, #f0b429 6%, var(--bg-elevated)); }
.callout.warn .callout-icon { color: #f0b429; }
.callout.info { border-color: color-mix(in srgb, var(--accent-blue) 35%, var(--border)); background: color-mix(in srgb, var(--accent-blue) 6%, var(--bg-elevated)); }
.callout.info .callout-icon { color: var(--accent-blue); }
.callout p { margin: 0; color: inherit; }
.callout code.inline { background: color-mix(in srgb, var(--bg) 60%, transparent); }

/* Steps */
.steps { counter-reset: step; margin: 0 0 24px; padding: 0; list-style: none; }
.step {
  counter-increment: step;
  position: relative;
  padding: 0 0 22px 40px;
  border-left: 1px solid var(--border);
  margin-left: 15px;
}
.step:last-child { border-color: transparent; padding-bottom: 0; }
.step::before {
  content: counter(step);
  position: absolute;
  left: -15px;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-teal);
}
.step h4 { margin: 3px 0 6px; font-size: 14.5px; font-weight: 700; }
.step p { margin: 0; font-size: 13.5px; }

/* Table */
table.doc-table { width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 13.5px; }
table.doc-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
table.doc-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-muted);
  vertical-align: top;
}
table.doc-table tr:last-child td { border-bottom: none; }

/* Command list */
.cmd-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
}
.cmd-row:last-child { border-bottom: none; }
.cmd-name { font-family: var(--font-mono); font-size: 13.5px; color: var(--accent-teal); flex-shrink: 0; }
.cmd-desc { font-size: 13.5px; color: var(--text-muted); text-align: right; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
  color: var(--text-muted);
  margin-right: 6px;
}
.tag.everyone { color: var(--accent-blue); border-color: color-mix(in srgb, var(--accent-blue) 40%, var(--border)); }
.tag.admin { color: #f0b429; border-color: color-mix(in srgb, #f0b429 40%, var(--border)); }
.tag.owner { color: var(--accent-teal); border-color: color-mix(in srgb, var(--accent-teal) 40%, var(--border)); }

.pager {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
}
.pager a {
  font-size: 13px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 16px;
  max-width: 47%;
}
.pager a:hover { border-color: var(--accent-teal); color: var(--text); }
.pager .pager-label { display: block; font-size: 10.5px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px; }
.pager .next { text-align: right; margin-left: auto; }

/* Right TOC */
.toc {
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
  padding: 40px 16px 40px 0;
}
.toc-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 12px; }
.toc-list { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--border); }
.toc-list li { margin: 0; }
.toc-list a {
  display: block;
  padding: 5px 0 5px 14px;
  font-size: 12.5px;
  color: var(--text-faint);
  border-left: 2px solid transparent;
  margin-left: -1px;
}
.toc-list a:hover { color: var(--text-muted); }
.toc-list a.active { color: var(--accent-teal); border-left-color: var(--accent-teal); }
.toc-note { margin-top: 22px; font-size: 12px; color: var(--text-faint); line-height: 1.6; padding-top: 18px; border-top: 1px solid var(--border-soft); }

/* Hero (index page only) */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--badge-border);
  background: var(--badge-bg);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-teal);
  margin-bottom: 22px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--badge-dot); }
.hero h1 {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 18px;
}
.hero h1 .accent { color: var(--accent-blue); }
.hero h1 .accent2 { color: var(--accent-teal); }
.hero p.lead { font-size: 16px; color: var(--text-muted); max-width: 62ch; margin: 0 0 30px; }

.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 30px 0 10px; }
.card-link {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}
.card-link:hover { border-color: var(--accent-teal); }
.card-link .card-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.card-link .card-desc { font-size: 12.5px; color: var(--text-faint); }

/* Mobile */
@media (max-width: 980px) {
  .toc { display: none; }
  .docs-layout { grid-template-columns: 240px minmax(0,1fr); }
}
@media (max-width: 760px) {
  .topbar-links { display: none; }
  .topbar-menu-btn { display: flex; align-items: center; }
  .docs-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    width: 260px;
    background: var(--bg);
    z-index: 39;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 28px 20px 80px; }
  .hero h1 { font-size: 30px; }
  .card-grid { grid-template-columns: 1fr; }
}