/* ── CSS Variables (shared with landing) ─────────────────────────────────── */
:root {
  --l-bg: #0f172a;
  --l-bg2: #1e293b;
  --l-bg3: #334155;
  --l-surface: #1e293b;
  --l-border: rgba(255,255,255,0.08);
  --l-text: #f1f5f9;
  --l-text-muted: #94a3b8;
  --l-accent: #6366f1;
  --l-accent-hover: #818cf8;
  --l-accent-soft: rgba(99,102,241,0.15);
  --l-green: #10b981;
  --l-gold: #f59e0b;
  --l-radius: 14px;
  --l-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

[data-theme="light"] {
  --l-bg: #f8fafc;
  --l-bg2: #ffffff;
  --l-bg3: #e2e8f0;
  --l-surface: #ffffff;
  --l-border: rgba(0,0,0,0.08);
  --l-text: #0f172a;
  --l-text-muted: #64748b;
  --l-accent: #4f46e5;
  --l-accent-hover: #6366f1;
  --l-accent-soft: rgba(79,70,229,0.08);
  --l-shadow: 0 4px 24px rgba(0,0,0,0.1);
}

/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--l-bg);
  color: var(--l-text);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* ── Docs header (matches terms.html style) ───────────────────────────────── */
.docs-header {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--l-bg);
  border-bottom: 1px solid var(--l-border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.docs-header-left { display: flex; align-items: center; gap: 0.75rem; }
.docs-header-left a { color: var(--l-text-muted); font-size: 0.875rem; font-weight: 500; transition: color .15s; }
.docs-header-left a:hover { color: var(--l-text); }
.docs-header-sep { color: var(--l-border); font-size: 1.1rem; }
.docs-header-title { font-weight: 700; font-size: 0.875rem; color: var(--l-text); }
.docs-header-right { display: flex; gap: 0.5rem; align-items: center; }

/* ── icon-btn (theme toggle, matches style.css) ───────────────────────────── */
.icon-btn {
  background: none;
  border: 1px solid var(--l-border);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  color: var(--l-text-muted);
  font-size: 1rem;
  line-height: 1;
  transition: border-color .15s, color .15s;
}
.icon-btn:hover { border-color: var(--l-accent); color: var(--l-text); }

/* Lang switcher */
.lang-switcher { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  background: transparent;
  border: 1px solid var(--l-border);
  color: var(--l-text);
  border-radius: 8px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: border-color .15s;
}
.lang-btn:hover { border-color: var(--l-accent); }
.lang-chevron { transition: transform .2s; width: 10px; height: 10px; }
.lang-btn[aria-expanded="true"] .lang-chevron { transform: rotate(180deg); }
.lang-flag-circle { width: 18px; height: 18px; border-radius: 50%; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--l-surface);
  border: 1px solid var(--l-border);
  border-radius: 10px;
  min-width: 130px;
  box-shadow: var(--l-shadow);
  display: none;
  z-index: 200;
  overflow: hidden;
}
.lang-menu.open { display: block; }
.lang-menu-item {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: background .12s;
}
.lang-menu-item:hover { background: var(--l-accent-soft); }
.lang-menu-item.selected { color: var(--l-accent); font-weight: 700; }

/* ── Docs Layout ──────────────────────────────────────────────────────────── */
.docs-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  max-width: 1280px;
  margin: 0 auto;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.docs-sidebar {
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  border-right: 1px solid var(--l-border);
  padding: 1.75rem 0 3rem;
  scrollbar-width: thin;
  scrollbar-color: var(--l-bg3) transparent;
}
.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--l-bg3); border-radius: 4px; }

.docs-sidebar-search {
  padding: 0 1rem 1.25rem;
  border-bottom: 1px solid var(--l-border);
  margin-bottom: 0.75rem;
}
.docs-search-input {
  width: 100%;
  background: var(--l-bg2);
  border: 1px solid var(--l-border);
  border-radius: 8px;
  padding: 0.45rem 0.8rem 0.45rem 2rem;
  color: var(--l-text);
  font-size: 0.82rem;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 0.55rem center;
  transition: border-color .15s;
}
.docs-search-input:focus { border-color: var(--l-accent); }
.docs-search-input::placeholder { color: var(--l-text-muted); }

.docs-nav-section { margin-bottom: 0.25rem; }
.docs-nav-section-title {
  display: block;
  padding: 0.3rem 1rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--l-text-muted);
  margin-top: 1rem;
}
.docs-nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 1rem 0.38rem 1.25rem;
  font-size: 0.84rem;
  color: var(--l-text-muted);
  border-left: 2px solid transparent;
  transition: color .12s, border-color .12s, background .12s;
  line-height: 1.4;
  cursor: pointer;
}
.docs-nav-link:hover { color: var(--l-text); background: var(--l-accent-soft); }
.docs-nav-link.active {
  color: var(--l-accent);
  border-left-color: var(--l-accent);
  background: var(--l-accent-soft);
  font-weight: 600;
}
.docs-nav-subsection { padding-left: 2rem; font-size: 0.8rem; }

/* ── Main Content ─────────────────────────────────────────────────────────── */
.docs-content {
  padding: 3rem 3.5rem 6rem;
  max-width: 860px;
  min-width: 0;
}

/* Sections */
.docs-section { margin-bottom: 5rem; }
.docs-section:last-child { margin-bottom: 2rem; }

.docs-section-title {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--l-text);
  margin-bottom: 0.4rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.docs-section-subtitle {
  font-size: 0.95rem;
  color: var(--l-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--l-border);
}

.docs-h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--l-text);
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
}
.docs-h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--l-text);
  margin: 1.5rem 0 0.5rem;
}

.docs-p {
  color: var(--l-text-muted);
  font-size: 0.94rem;
  margin-bottom: 1rem;
  line-height: 1.75;
}
.docs-p strong { color: var(--l-text); }

.docs-ul, .docs-ol {
  padding-left: 1.5rem;
  color: var(--l-text-muted);
  font-size: 0.93rem;
  margin-bottom: 1rem;
}
.docs-ul li, .docs-ol li { margin-bottom: 0.4rem; line-height: 1.65; }
.docs-ul li strong, .docs-ol li strong { color: var(--l-text); }

/* Callout boxes */
.docs-callout {
  display: flex;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin: 1.25rem 0;
  font-size: 0.88rem;
  line-height: 1.65;
  border: 1px solid transparent;
}
.docs-callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.05rem; }
.docs-callout-body { color: var(--l-text-muted); }
.docs-callout-body strong { color: var(--l-text); display: block; margin-bottom: 0.15rem; font-size: 0.9rem; }

.docs-callout.info {
  background: rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.25);
}
.docs-callout.tip {
  background: rgba(16,185,129,0.08);
  border-color: rgba(16,185,129,0.25);
}
.docs-callout.warning {
  background: rgba(245,158,11,0.1);
  border-color: rgba(245,158,11,0.25);
}
.docs-callout.enterprise {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(139,92,246,0.08));
  border-color: rgba(139,92,246,0.3);
}

/* Tables */
.docs-table-wrap { overflow-x: auto; margin: 1.25rem 0; border-radius: 10px; border: 1px solid var(--l-border); }
.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.docs-table th {
  background: var(--l-bg2);
  padding: 0.65rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--l-text-muted);
  border-bottom: 1px solid var(--l-border);
}
.docs-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--l-border);
  color: var(--l-text-muted);
  vertical-align: top;
}
.docs-table tr:last-child td { border-bottom: none; }
.docs-table td strong { color: var(--l-text); }
.docs-table td code {
  background: var(--l-bg3);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--l-accent-hover);
}

/* Code blocks */
.docs-code-block {
  background: var(--l-bg2);
  border: 1px solid var(--l-border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin: 1.25rem 0;
  overflow-x: auto;
  font-size: 0.83rem;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--l-text-muted);
  line-height: 1.6;
}
.docs-code-block .kw  { color: #818cf8; }
.docs-code-block .str { color: #34d399; }
.docs-code-block .cm  { color: #4b5563; font-style: italic; }

code.inline-code {
  background: var(--l-bg3);
  padding: 0.15rem 0.45rem;
  border-radius: 5px;
  font-size: 0.82em;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--l-accent-hover);
}

/* Mermaid diagrams */
.docs-diagram {
  background: var(--l-bg2);
  border: 1px solid var(--l-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  text-align: center;
  overflow-x: auto;
}
.docs-diagram-caption {
  font-size: 0.78rem;
  color: var(--l-text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

/* Screenshot images */
.docs-screenshot {
  margin: 1.5rem 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--l-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.docs-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}
.docs-screenshot-caption {
  background: var(--l-bg2);
  padding: 0.5rem 1rem;
  font-size: 0.78rem;
  color: var(--l-text-muted);
  font-style: italic;
  border-top: 1px solid var(--l-border);
}

/* Plan badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-left: 0.35rem;
  vertical-align: middle;
}
.badge-free     { background: rgba(148,163,184,0.15); color: #94a3b8; }
.badge-starter  { background: rgba(16,185,129,0.12);  color: #10b981; }
.badge-pro      { background: rgba(99,102,241,0.15);  color: #818cf8; }
.badge-enterprise { background: linear-gradient(90deg,rgba(139,92,246,0.18),rgba(99,102,241,0.18)); color: #c4b5fd; }

/* Quality score visual */
.quality-bar-wrap { display: flex; align-items: center; gap: 0.75rem; margin: 0.5rem 0; }
.quality-bar-track {
  flex: 1; height: 6px; background: var(--l-bg3);
  border-radius: 999px; overflow: hidden;
}
.quality-bar-fill { height: 100%; border-radius: 999px; }
.quality-bar-fill.green  { background: #10b981; }
.quality-bar-fill.yellow { background: #f59e0b; }
.quality-bar-fill.red    { background: #ef4444; }
.quality-bar-label { font-size: 0.78rem; color: var(--l-text-muted); min-width: 30px; text-align: right; }

/* Step list */
.docs-steps { counter-reset: step; margin: 1.25rem 0; }
.docs-step {
  display: flex; gap: 1rem; margin-bottom: 1.25rem;
  counter-increment: step;
}
.docs-step-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--l-accent-soft);
  border: 1.5px solid var(--l-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800; color: var(--l-accent);
  margin-top: 0.1rem;
}
.docs-step-num::before { content: counter(step); }
.docs-step-body h4 { font-size: 0.93rem; font-weight: 700; color: var(--l-text); margin-bottom: 0.2rem; }
.docs-step-body p  { font-size: 0.875rem; color: var(--l-text-muted); line-height: 1.6; margin: 0; }

/* FAQ */
.docs-faq-item { border-bottom: 1px solid var(--l-border); }
.docs-faq-q {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0;
  font-size: 0.93rem; font-weight: 600; color: var(--l-text);
  text-align: left; gap: 1rem;
}
.docs-faq-q:hover { color: var(--l-accent); }
.docs-faq-chevron {
  width: 20px; height: 20px; flex-shrink: 0;
  background: var(--l-bg3); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform .25s, background .2s;
}
.docs-faq-item.open .docs-faq-chevron { transform: rotate(180deg); background: var(--l-accent-soft); color: var(--l-accent); }
.docs-faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.docs-faq-a-inner { padding: 0 0 1rem; font-size: 0.875rem; color: var(--l-text-muted); line-height: 1.7; }

/* Divider */
.docs-divider { border: none; border-top: 1px solid var(--l-border); margin: 2.5rem 0; }

/* Role cards */
.docs-role-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 1.25rem 0; }
.docs-role-card {
  background: var(--l-bg2);
  border: 1px solid var(--l-border);
  border-radius: 10px;
  padding: 1.1rem 1.1rem 1rem;
}
.docs-role-card-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; }
.docs-role-icon { font-size: 1.25rem; }
.docs-role-name { font-weight: 700; font-size: 0.9rem; color: var(--l-text); }
.docs-role-card ul { padding-left: 1.1rem; font-size: 0.8rem; color: var(--l-text-muted); }
.docs-role-card li { margin-bottom: 0.25rem; }

/* Connector chips */
.docs-connectors { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1rem 0; }
.docs-connector-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--l-bg2);
  border: 1px solid var(--l-border);
  border-radius: 8px;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--l-text);
  transition: border-color .15s;
}
.docs-connector-chip:hover { border-color: var(--l-accent); }

/* On this page / ToC */
.docs-toc {
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 2rem 1.25rem 3rem;
  font-size: 0.8rem;
  border-left: 1px solid var(--l-border);
  display: none;
}

/* Responsive */
@media (max-width: 900px) {
  .docs-wrapper { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
  .docs-content { padding: 2rem 1.25rem 4rem; }
}