:root {
  --bg:      #f8fafc;
  --bg2:     #ffffff;
  --bg3:     #f1f5f9;
  --border:  rgba(0,0,0,0.07);
  --accent:  #f97316;
  --accent2: #a855f7;
  --text:    #0f172a;
  --muted:   #475569;
  --dim:     #64748b;
  --green:   #16a34a;
  --red:     #ef4444;
  --blue:    #2563eb;
  --yellow:  #d97706;
  --sidebar-w: 260px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  display: flex;
  min-height: 100vh;
}
/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 1px 0 4px rgba(0,0,0,0.04);
}
.sidebar-logo {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.logo-icon {
  width: 28px; height: 28px; border-radius: 0.4rem;
  background: linear-gradient(135deg,#f97316,#a855f7);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; flex-shrink: 0;
}
.logo-text { font-weight: 700; color: #0f172a; font-size: 0.95rem; }
.logo-text span { color: var(--accent); }
.logo-ver {
  font-size: 0.6rem; background: rgba(249,115,22,0.1);
  color: var(--accent); border: 1px solid rgba(249,115,22,0.25);
  border-radius: 0.3rem; padding: 0.1rem 0.35rem; font-weight: 700; margin-left: auto;
}
.sidebar-company {
  font-size: 0.65rem; color: var(--dim); padding: 0.4rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
.sidebar nav { padding: 0.75rem 0.75rem 2rem; flex: 1; }
.nav-section {
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent);
  padding: 0.9rem 0.5rem 0.35rem;
}
.nav-link {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 0.6rem; border-radius: 0.4rem;
  font-size: 0.82rem; color: var(--muted); text-decoration: none;
  transition: background 0.12s, color 0.12s;
  margin-bottom: 0.05rem;
}
.nav-link:hover { background: rgba(249,115,22,0.07); color: var(--text); }
.nav-link.active { background: rgba(249,115,22,0.09); color: var(--accent); font-weight: 600; }
.nav-link .icon { font-size: 0.8rem; width: 16px; text-align: center; }
/* ── Content ── */
.content {
  margin-left: var(--sidebar-w);
  flex: 1;
  max-width: 900px;
  padding: 3rem 3.5rem;
}
.page-header {
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}
.page-label {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.5rem;
}
.page-header h1 {
  font-size: 2rem; font-weight: 800; color: var(--text); line-height: 1.2;
  margin-bottom: 0.6rem;
}
.page-header p { color: var(--muted); font-size: 0.95rem; max-width: 600px; }
h2 { font-size: 1.25rem; font-weight: 700; color: var(--text); margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin: 1.75rem 0 0.5rem; }
h4 { font-size: 0.8rem; font-weight: 700; color: var(--dim); margin: 1.25rem 0 0.35rem; text-transform: uppercase; letter-spacing: 0.06em; }
p { color: var(--muted); margin-bottom: 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { padding-left: 1.5rem; color: var(--muted); margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }
li strong { color: var(--text); }
/* ── Code ── */
code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.85em;
  background: #f1f5f9;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 0.3rem;
  padding: 0.1em 0.4em;
  color: #16a34a;
}
pre {
  background: #1e293b;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 0.6rem;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
}
pre code {
  background: none; border: none; padding: 0;
  font-size: 0.85rem; color: #4ade80; white-space: pre;
}
/* ── Callouts ── */
.callout {
  border-radius: 0.6rem;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  display: flex; gap: 0.75rem; align-items: flex-start;
  font-size: 0.875rem;
}
.callout .icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.callout p { margin: 0; }
.callout.info    { background: rgba(37,99,235,0.06); border: 1px solid rgba(37,99,235,0.18); }
.callout.info p  { color: #1d4ed8; }
.callout.warn    { background: rgba(217,119,6,0.07); border: 1px solid rgba(217,119,6,0.2); }
.callout.warn p  { color: #92400e; }
.callout.tip     { background: rgba(22,163,74,0.07); border: 1px solid rgba(22,163,74,0.2); }
.callout.tip p   { color: #14532d; }
.callout.danger  { background: rgba(239,68,68,0.06); border: 1px solid rgba(239,68,68,0.2); }
.callout.danger p{ color: #991b1b; }
/* ── Steps ── */
.steps { display: flex; flex-direction: column; gap: 1rem; margin: 1.25rem 0; }
.step {
  display: flex; gap: 1rem;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 0.6rem; padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.step-num {
  width: 28px; height: 28px; border-radius: 0.4rem; flex-shrink: 0;
  background: rgba(249,115,22,0.1); color: var(--accent);
  font-weight: 800; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.step-body h4 { margin: 0 0 0.35rem; font-size: 0.875rem; color: var(--text); text-transform: none; letter-spacing: 0; }
.step-body p  { margin: 0; font-size: 0.85rem; }
/* ── Cards ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 1rem; margin: 1.25rem 0; }
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 0.75rem; padding: 1.25rem; text-decoration: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: rgba(249,115,22,0.35); box-shadow: 0 4px 12px rgba(249,115,22,0.08); }
.card .card-icon { font-size: 1.5rem; margin-bottom: 0.6rem; }
.card h3 { margin: 0 0 0.35rem; font-size: 0.9rem; color: var(--text); }
.card p  { margin: 0; font-size: 0.8rem; color: var(--dim); }
/* ── Table ── */
table {
  width: 100%; border-collapse: collapse; margin: 1.25rem 0;
  font-size: 0.875rem;
}
th {
  text-align: left; padding: 0.6rem 1rem;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--dim);
  background: var(--bg3); border-bottom: 1px solid var(--border);
}
td {
  padding: 0.65rem 1rem; border-bottom: 1px solid rgba(0,0,0,0.05);
  color: var(--muted); vertical-align: top;
}
td:first-child { color: var(--text); font-weight: 500; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }
/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center;
  font-size: 0.65rem; font-weight: 700; padding: 0.15rem 0.5rem;
  border-radius: 0.3rem; letter-spacing: 0.04em;
}
.badge.green  { background: rgba(22,163,74,0.1);  color: #15803d; border: 1px solid rgba(22,163,74,0.2); }
.badge.orange { background: rgba(249,115,22,0.1); color: #ea580c; border: 1px solid rgba(249,115,22,0.2); }
.badge.blue   { background: rgba(37,99,235,0.08); color: #1d4ed8; border: 1px solid rgba(37,99,235,0.18); }
.badge.purple { background: rgba(168,85,247,0.08); color: #7e22ce; border: 1px solid rgba(168,85,247,0.2); }
/* ── TOC ── */
.toc {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 0.6rem; padding: 1.25rem 1.5rem; margin-bottom: 2rem;
}
.toc h4 { margin: 0 0 0.75rem; font-size: 0.7rem; color: var(--dim); }
.toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { margin-bottom: 0.3rem; }
.toc a { color: var(--muted); font-size: 0.82rem; }
.toc a:hover { color: var(--accent); }
/* ── Print / PDF ── */
.print-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 0.4rem; padding: 0.35rem 0.75rem;
  font-size: 0.78rem; color: var(--dim); cursor: pointer;
  font-family: inherit; transition: background 0.12s;
  margin-bottom: 1.5rem;
}
.print-btn:hover { background: #e2e8f0; }
@media print {
  .sidebar { display: none; }
  .content { margin-left: 0; padding: 1rem; }
  .print-btn { display: none; }
  a { color: var(--text); }
  pre { border: 1px solid #ccc; }
}
/* ── Responsive ── */
@media (max-width: 800px) {
  .sidebar { width: 100%; min-width: unset; position: relative; }
  .content { margin-left: 0; padding: 1.5rem; }
  body { flex-direction: column; }
}