:root {
    --blue:    #3B8FE0;
    --blue-light: #5AAFF5;
    --green:   #5BBF2A;
    --green-light: #7DD94A;
    --gold:    #FFB300;
    --gold-light: #FFCC50;
    --bg:      #12121E;
    --bg2:     #1C1C2E;
    --bg3:     #252540;
    --bg4:     #2E2E50;
    --border:  #3A3A60;
    --text:    #D8D8F0;
    --text-dim:#9090B8;
    --red:     #E05050;
    --cyan:    #40D0D0;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body { background: var(--bg); color: var(--text); font-family: 'Segoe UI', system-ui, sans-serif; font-size: 15px; line-height: 1.7; }

  /* ── Sidebar ── */
  #sidebar {
    position: fixed; top: 0; left: 0; width: 270px; height: 100vh;
    background: var(--bg2); border-right: 1px solid var(--border);
    overflow-y: auto; z-index: 100; padding-bottom: 40px;
  }
  #sidebar-logo { padding: 20px 16px 12px; text-align: center; border-bottom: 1px solid var(--border); }
  #sidebar-logo img { width: 130px; }
  #sidebar-logo .version { font-size: 11px; color: var(--text-dim); margin-top: 4px; }
  #sidebar nav a {
    display: block; padding: 7px 20px; color: var(--text-dim); text-decoration: none;
    font-size: 13px; border-left: 3px solid transparent; transition: all .15s;
  }
  #sidebar nav a:hover { color: var(--blue-light); border-left-color: var(--blue); background: rgba(59,143,224,.08); }
  #sidebar nav a.active { color: var(--green-light); border-left-color: var(--green); background: rgba(91,191,42,.08); }
  #sidebar nav .nav-section {
    padding: 14px 20px 4px; font-size: 10px; font-weight: 700; letter-spacing: 1.5px;
    text-transform: uppercase; color: var(--gold); pointer-events: none;
  }
  #sidebar nav .nav-sub { padding-left: 34px; }

  /* ── Main ── */
  #main { margin-left: 270px; padding: 40px 50px 80px; max-width: 1100px; }

  /* ── Hero ── */
  .hero {
    text-align: center; padding: 60px 20px 50px;
    background: linear-gradient(135deg, #1a1a30 0%, #1e2840 50%, #1a2820 100%);
    border-radius: 16px; margin-bottom: 50px;
    border: 1px solid var(--border);
  }
  .hero img { width: 180px; margin-bottom: 20px; }
  .hero h1 { font-size: 2.8rem; font-weight: 800; background: linear-gradient(90deg, var(--blue-light), var(--green-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
  .hero p { color: var(--text-dim); font-size: 1.1rem; margin-top: 10px; max-width: 600px; margin-inline: auto; }
  .badges { display: flex; gap: 10px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
  .badge { background: var(--bg3); border: 1px solid var(--border); padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; }
  .badge.blue { border-color: var(--blue); color: var(--blue-light); }
  .badge.green { border-color: var(--green); color: var(--green-light); }
  .badge.gold { border-color: var(--gold); color: var(--gold-light); }

  /* ── Typography ── */
  h1, h2, h3, h4, h5 { line-height: 1.3; }
  h2 { font-size: 1.9rem; color: var(--blue-light); margin: 50px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
  h3 { font-size: 1.35rem; color: var(--green-light); margin: 32px 0 12px; }
  h4 { font-size: 1.1rem; color: var(--gold-light); margin: 24px 0 8px; }
  h5 { font-size: .95rem; color: var(--cyan); margin: 16px 0 6px; }
  p  { margin-bottom: 12px; }
  ul, ol { margin: 10px 0 14px 24px; }
  li { margin-bottom: 5px; }
  strong { color: #fff; }
  a { color: var(--blue-light); }

  /* ── Code ── */
  code { background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; padding: 1px 6px; font-family: 'Cascadia Code','Fira Code', monospace; font-size: 13px; color: var(--gold-light); }
  pre {
    background: var(--bg3); border: 1px solid var(--border); border-radius: 8px;
    padding: 18px 20px; overflow-x: auto; margin: 14px 0;
    font-family: 'Cascadia Code','Fira Code', monospace; font-size: 13px; line-height: 1.6;
  }
  pre .c  { color: #607090; }
  pre .k  { color: var(--blue-light); }
  pre .v  { color: var(--green-light); }
  pre .s  { color: var(--gold-light); }
  pre .n  { color: #c0a0ff; }

  /* ── Callouts ── */
  .callout { border-radius: 8px; padding: 14px 18px; margin: 16px 0; border-left: 4px solid; }
  .callout-tip   { background: rgba(91,191,42,.1);  border-color: var(--green); }
  .callout-warn  { background: rgba(255,179,0,.1);  border-color: var(--gold); }
  .callout-info  { background: rgba(59,143,224,.1); border-color: var(--blue); }
  .callout-danger{ background: rgba(224,80,80,.1);  border-color: var(--red); }
  .callout-icon  { font-weight: 700; margin-right: 6px; }

  /* ── Tables ── */
  table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
  th { background: var(--bg3); color: var(--gold-light); padding: 10px 14px; text-align: left; border: 1px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: .8px; }
  td { padding: 9px 14px; border: 1px solid var(--border); vertical-align: top; }
  tr:nth-child(even) td { background: rgba(255,255,255,.02); }
  tr:hover td { background: rgba(59,143,224,.06); }

  /* ── Cards ── */
  .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 20px 0; }
  .card { background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; padding: 18px; transition: border-color .2s; }
  .card:hover { border-color: var(--blue); }
  .card-icon { font-size: 1.8rem; margin-bottom: 8px; }
  .card h4 { margin: 0 0 6px; color: var(--blue-light); }
  .card p  { margin: 0; font-size: 13px; color: var(--text-dim); }

  /* ── Job cards ── */
  .job-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin: 20px 0; }
  .job-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-align: center; }
  .job-card .emoji { font-size: 2rem; }
  .job-card h4 { margin: 8px 0 4px; font-size: 1rem; }
  .job-card p  { font-size: 12px; color: var(--text-dim); margin: 0; }

  /* ── Perk tags ── */
  .perk-tag { display: inline-block; background: rgba(91,191,42,.15); border: 1px solid var(--green); color: var(--green-light); border-radius: 12px; padding: 2px 10px; font-size: 12px; margin: 2px; }
  .perm-tag { display: inline-block; background: rgba(59,143,224,.15); border: 1px solid var(--blue); color: var(--blue-light); border-radius: 4px; padding: 1px 8px; font-size: 12px; font-family: monospace; margin: 2px; }

  /* ── Section anchor ── */
  .section-anchor { scroll-margin-top: 30px; }

  /* ── Step boxes ── */
  .steps { counter-reset: step; }
  .step { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
  .step-num { counter-increment: step; content: counter(step); min-width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 14px; }
  .step-body h4 { margin: 0 0 4px; }
  .step-body p  { margin: 0; color: var(--text-dim); font-size: 14px; }

  /* ── GUI diagram ── */
  .gui-grid { display: grid; grid-template-columns: repeat(9, 1fr); gap: 3px; max-width: 500px; margin: 16px auto; }
  .gui-cell { aspect-ratio: 1; background: var(--bg4); border: 1px solid var(--border); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 10px; text-align: center; padding: 2px; cursor: default; transition: background .15s; }
  .gui-cell:hover { background: var(--bg3); }
  .gui-cell.filler { background: #1a1a30; color: var(--text-dim); }
  .gui-cell.job    { background: rgba(91,191,42,.2); border-color: var(--green); color: var(--green-light); font-weight: 600; }
  .gui-cell.nav    { background: rgba(255,179,0,.15); border-color: var(--gold); color: var(--gold-light); }
  .gui-cell.close  { background: rgba(224,80,80,.2); border-color: var(--red); color: #ff8888; }
  .gui-cell.btn    { background: rgba(59,143,224,.2); border-color: var(--blue); color: var(--blue-light); }
  .gui-cell.perk   { background: rgba(192,160,255,.2); border-color: #c0a0ff; color: #c0a0ff; }
  .gui-cell.empty  { background: transparent; border-color: transparent; }
  .lang-switch {
    position: fixed; top: 16px; right: 16px; z-index: 200;
    display: flex; gap: 8px;
  }
  .lang-switch a {
    text-decoration: none; background: var(--bg3); border: 1px solid var(--border);
    color: var(--text); padding: 8px 12px; border-radius: 999px; font-size: 12px; font-weight: 700;
  }
  .lang-switch a.active { border-color: var(--green); color: var(--green-light); background: rgba(91,191,42,.12); }
  .quick-links { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
  .quick-links a {
    text-decoration: none; background: rgba(59,143,224,.12); border: 1px solid var(--blue);
    color: var(--blue-light); border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 600;
  }
  @media (max-width: 980px) {
    .lang-switch { position: static; padding: 12px 16px 0; justify-content: center; }
  }

  /* scrollbar */
  #sidebar::-webkit-scrollbar { width: 5px; }
  #sidebar::-webkit-scrollbar-track { background: var(--bg2); }
  #sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.docs-page-links {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
}
.docs-page-links a {
  display: block;
  margin-bottom: 6px;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  border: 1px solid transparent;
}
.docs-page-links a:hover,
.docs-page-links a.active {
  color: var(--green-light);
  border-color: var(--green);
  background: rgba(91,191,42,.08);
}
#sidebar-logo img {
  width: 180px;
  max-width: 100%;
  height: auto;
}
.hero img {
  width: 280px;
  max-width: 100%;
  height: auto;
}
@media (max-width: 980px) {
  #sidebar-logo img {
    width: 150px;
  }
  .hero img {
    width: 220px;
  }
}