/* =========================
   Professional Docs Theme
   ========================= */

:root{
  --bg: #0b1020;
  --bg2:#070a12;

  --panel:#0f172a;
  --panel2:#0b1222;

  --text:#e5e7eb;
  --muted:#9aa4b2;

  --border: rgba(255,255,255,.09);
  --shadow: 0 20px 60px rgba(0,0,0,.35);

  --radius: 14px;
  --max: 1200px;

  --link:#93c5fd;
  --link2:#60a5fa;

  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* Optional Light Theme */
[data-theme="light"]{
  --bg:#ffffff;
  --bg2:#f5f7fb;

  --panel:#ffffff;
  --panel2:#f8fafc;

  --text:#0f172a;
  --muted:#475569;

  --border: rgba(15,23,42,.12);
  --shadow: 0 12px 35px rgba(2,6,23,.12);

  --link:#1d4ed8;
  --link2:#2563eb;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  line-height:1.7;

  background:
    radial-gradient(900px 520px at 20% -10%, color-mix(in oklab, var(--link2) 22%, transparent), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, color-mix(in oklab, var(--link) 18%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

/* Links */
a{ color:var(--link); text-decoration:none; }
a:hover{ color:var(--link2); text-decoration:underline; }

/* =========================
   Top Bar
   ========================= */

.topbar{
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--border);
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
}

.topbar-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
  color:var(--text);
}
.brand-title{
  font-weight:800;
  letter-spacing:.2px;
}
.brand-sub{
  font-size:.92rem;
  color:var(--muted);
}

.topbar-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.toplink{
  padding:8px 10px;
  border-radius:10px;
  color:var(--text);
  text-decoration:none;
  border:1px solid transparent;
}
.toplink:hover{
  border-color:var(--border);
  background: color-mix(in oklab, var(--panel2) 72%, transparent);
  text-decoration:none;
}

.btn{
  padding:8px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 80%, transparent);
  color:var(--text);
  cursor:pointer;
}
.btn:hover{
  background: color-mix(in oklab, var(--panel2) 72%, transparent);
}

/* =========================
   Container + Grid
   Uses container queries (auto adapts)
   ========================= */

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:18px 16px 40px;

  /* Container Query magic */
  container-type: inline-size;
  container-name: page;
}

.grid{
  display:grid;
  grid-template-columns: 260px minmax(0, 1fr) 260px;
  gap:16px;
  align-items:start;
}

/* =========================
   Sidebars
   ========================= */

.side{
  position:sticky;
  top:78px;
  max-height: calc(100vh - 98px);
  overflow:auto;

  border:1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--panel) 86%, transparent);
  box-shadow: var(--shadow);
  padding:14px;
}

.side-title{
  font-size:.86rem;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:.1em;
  margin:2px 0 10px;
}

.side-divider{
  height:1px;
  background: var(--border);
  margin:12px 0;
}

/* TOC + Nav links */
.toc a, .sitenav a{
  display:block;
  padding:8px 10px;
  border-radius:10px;
  color:var(--text);
  text-decoration:none;
  border:1px solid transparent;
}
.toc a:hover, .sitenav a:hover{
  border-color:var(--border);
  background: color-mix(in oklab, var(--panel2) 72%, transparent);
  text-decoration:none;
}
.toc a.active{
  border-color:var(--border);
  background: color-mix(in oklab, var(--panel2) 78%, transparent);
}

.toc a.depth-3{
  padding-left:18px;
  color: color-mix(in oklab, var(--text) 86%, var(--muted));
}

/* =========================
   Content Panel
   ========================= */

.content{
  border:1px solid var(--border);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--panel) 90%, transparent);
  box-shadow: var(--shadow);
}

.doc{
  padding:22px 22px 26px;
}

/* Typography */
h1,h2,h3{ line-height:1.25; }
h1{ margin:0 0 12px; font-size:2rem; letter-spacing:-.01em; }
h2{ margin:28px 0 10px; font-size:1.35rem; }
h3{
  margin:18px 0 8px;
  font-size:1.1rem;
  color: color-mix(in oklab, var(--text) 92%, var(--muted));
}
p{ margin:10px 0; }
ul,ol{ margin:10px 0 10px 22px; }
li{ margin:6px 0; }
hr{
  border:0;
  border-top:1px solid var(--border);
  margin:18px 0;
}

.muted{ color:var(--muted); font-size:.92rem; }

/* Blockquotes */
blockquote{
  margin:14px 0;
  padding:12px 14px;
  border-left:3px solid color-mix(in oklab, var(--link2) 55%, var(--border));
  background: color-mix(in oklab, var(--panel2) 74%, transparent);
  border-radius:12px;
}

/* Inline code and code blocks */
code{
  font-family:var(--mono);
  font-size:.95em;
  padding:.15em .35em;
  border-radius:8px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--panel2) 72%, transparent);
}
pre{
  overflow:auto;
  padding:14px;
  border-radius:12px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--panel2) 74%, transparent);
}
pre code{
  border:none;
  background:transparent;
  padding:0;
}

/* Tables */
table{
  width:100%;
  border-collapse:collapse;
  margin:14px 0;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--border);
}
th,td{
  padding:10px 12px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}
th{
  text-align:left;
  font-weight:700;
  background: color-mix(in oklab, var(--panel2) 78%, transparent);
}
tr:last-child td{ border-bottom:none; }

/* Images */
img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid var(--border);
}

/* Footer */
.footer{
  margin-top:14px;
  padding:10px 4px;
}

/* =========================
   Container Query Responsiveness
   (no fixed viewport breakpoints)
   ========================= */

/* Not enough room for 3 columns -> hide right sidebar */
@container page (max-width: 1080px){
  .grid{ grid-template-columns: 260px minmax(0,1fr); }
  .side-right{ display:none; }
}

/* Not enough room for 2 columns -> content only */
@container page (max-width: 820px){
  .grid{ grid-template-columns: 1fr; }
  .side-left{ display:none; }

  /* Sidebars become normal blocks if you later choose to show them */
  .side{
    position:relative;
    top:auto;
    max-height:none;
  }
}

/* =========================
   Print (optional)
   ========================= */

@media print{
  .topbar, .side{ display:none !important; }
  .content{ box-shadow:none; border:none; }
  body{ background:#fff; color:#000; }
}
/* TEMP DEBUG: force sidebars + 3 columns to show */
.grid{
  display: grid !important;
  grid-template-columns: 260px minmax(0, 1fr) 260px !important;
  gap: 16px !important;
}

.side{
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  position: sticky !important;
  top: 78px !important;
  border: 2px solid red !important;   /* debug border so you can SEE it */
}

.topbar-inner{
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;
}

.left-space{
  justify-self:start;
}

.topbar-actions{
  justify-self:end;
}

.footer{
  margin-top:30px;
  padding:20px 10px;
  border-top:1px solid var(--border);
}

.footer-inner{
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

.footer-links a{
  margin-right:14px;
  color:var(--muted);
}
.footer-links a:hover{
  color:var(--text);
}

.footer-author{
  font-size:.95rem;
}

.footer-copy{
  font-size:.85rem;
}