/* ─── Irrlicht Documentation Styles ─── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root {
  --bg: #050a14;
  --bg-surface: #0a1020;
  --bg-card: rgba(12, 18, 35, 0.65);
  --bg-code: #060d1a;
  --working: #8B5CF6;
  --waiting: #FF9500;
  --ready: #34C759;
  --text: #c8cdd8;
  --text-dim: #5a6378;
  --text-bright: #e8ecf4;
  --accent: #8B5CF6;
  --border: rgba(138, 92, 246, 0.08);
  --border-subtle: rgba(200, 205, 216, 0.06);
  --sidebar-w: 260px;
}

html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: rgba(138,92,246,0.2) transparent; }
body { font-family: 'Outfit', sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* ─── Layout ─── */
.docs-layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  overflow-y: auto;
  z-index: 50;
  scrollbar-width: thin;
  scrollbar-color: rgba(138,92,246,0.15) transparent;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1.5rem 1.5rem;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.sidebar-logo .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--working);
  box-shadow: 0 0 8px var(--working);
}

.sidebar-logo span {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text-bright);
}

.sidebar-logo small {
  font-family: 'DM Mono', monospace;
  font-size: 0.55rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-left: auto;
}

.sidebar-section {
  padding: 0 1.5rem;
  margin-bottom: 1.5rem;
}

.sidebar-section h4 {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
}

.sidebar-section a {
  display: block;
  padding: 0.35rem 0;
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.sidebar-section a:hover { color: var(--text-bright); }
.sidebar-section a.active { color: var(--accent); font-weight: 400; }

/* ─── Main content ─── */
.docs-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}

.docs-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 3rem 3rem 6rem;
}

/* ─── Typography ─── */
.docs-content h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--text-bright);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.docs-content .page-subtitle {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-dim);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.docs-content h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-bright);
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.docs-content h2:first-of-type { border-top: none; padding-top: 0; }

.docs-content h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-bright);
  margin: 2rem 0 0.75rem;
}

.docs-content h4 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-bright);
  margin: 1.5rem 0 0.5rem;
}

.docs-content p {
  margin-bottom: 1rem;
  font-weight: 300;
}

.docs-content ul, .docs-content ol {
  margin: 0 0 1.25rem 1.25rem;
  font-weight: 300;
}

.docs-content li { margin-bottom: 0.35rem; }
.docs-content li code { font-size: 0.85em; }

.docs-content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(139,92,246,0.2);
  transition: border-color 0.2s;
}
.docs-content a:hover { border-color: var(--accent); }

/* ─── Code ─── */
.docs-content code {
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  background: rgba(139,92,246,0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--text-bright);
}

.docs-content pre {
  margin: 0 0 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
  line-height: 1.5;
}

.docs-content pre code {
  background: none;
  padding: 0;
  font-size: 0.8rem;
  color: var(--text);
}

/* ─── Tables ─── */
.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.88rem;
}

.docs-content th {
  text-align: left;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}

.docs-content td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 300;
  vertical-align: top;
}

.docs-content td code { font-size: 0.78rem; }

/* ─── Callouts ─── */
.callout {
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  margin: 1.5rem 0;
  border-left: 3px solid;
  font-size: 0.9rem;
}

.callout-info {
  background: rgba(139,92,246,0.04);
  border-color: var(--accent);
}

.callout-warning {
  background: rgba(255,149,0,0.04);
  border-color: var(--waiting);
}

.callout-tip {
  background: rgba(52,199,89,0.04);
  border-color: var(--ready);
}

.callout strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-bright);
  font-weight: 500;
}

/* ─── State badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 5px;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
}

.badge-working { background: rgba(139,92,246,0.12); color: var(--working); }
.badge-waiting { background: rgba(255,149,0,0.12); color: var(--waiting); }
.badge-ready   { background: rgba(52,199,89,0.12); color: var(--ready); }

.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
}

.badge-working::before { background: var(--working); }
.badge-waiting::before { background: var(--waiting); }
.badge-ready::before   { background: var(--ready); }

/* ─── Diagram boxes ─── */
.diagram {
  padding: 2rem;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin: 1.5rem 0;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}

/* ─── Step list (numbered guide) ─── */
.steps {
  counter-reset: step;
  list-style: none;
  margin-left: 0;
  padding: 0;
}

.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.5rem;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: rgba(139,92,246,0.1);
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Bottom nav ─── */
.docs-nav-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.docs-nav-bottom a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--accent);
  text-decoration: none;
  border: none;
}

.docs-nav-bottom a:hover { opacity: 0.8; }
.docs-nav-bottom .label {
  display: block;
  font-size: 0.65rem;
  font-weight: 300;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

/* ─── Mobile ─── */
@media (max-width: 800px) {
  .sidebar { display: none; }
  .docs-main { margin-left: 0; }
  .docs-content { padding: 2rem 1.5rem 4rem; }
}