:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.7);
  --faint: rgba(255,255,255,.55);
  --border: rgba(255,255,255,.12);
  --brand: #63e6be;
  --brand2: #74c0fc;
  --warn: #ffd43b;
  --danger: #ff6b6b;
  --shadow: 0 14px 40px rgba(0,0,0,.35);
  --radius: 16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
*{box-sizing:border-box}
html,body{height:100%; scroll-behavior: smooth;}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(116,192,252,.12), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(99,230,190,.10), transparent 55%),
    radial-gradient(1200px 600px at 70% 90%, rgba(255,212,59,.06), transparent 65%),
    linear-gradient(180deg, #05080f, var(--bg));
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}
a{color:inherit; text-decoration:none}
a:hover{text-decoration:underline}

.skip{
  position:absolute; left:-10000px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{left:16px; top:16px; width:auto; height:auto; padding:10px 12px; z-index:999;
  background:#111a2e; border:1px solid var(--border); border-radius:10px;
}

.topbar{
  position: sticky; top:0; z-index:50;
  backdrop-filter: blur(16px);
  background: rgba(10,16,30,.65);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  display:flex; align-items:center; gap:16px;
  padding: 14px 16px;
  max-width: 1200px; margin: 0 auto;
}
.brand{display:flex; align-items:center; gap:12px; min-width: 220px}
.brand__mark{
  width:38px; height:38px; display:grid; place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99,230,190,.18), rgba(116,192,252,.18));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 800;
}
.brand__title{font-weight:700; letter-spacing: .2px}
.brand__subtitle{color:var(--muted); font-size: 12.5px}

.iconbtn{
  display:none;
  margin-left:auto;
  width:44px; height:44px;
  border:1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  cursor:pointer;
}
.iconbtn__bar{
  display:block;
  width:18px; height:2px;
  background: rgba(255,255,255,.85);
  margin:4px auto;
  border-radius: 2px;
}

.search{margin-left:auto; position:relative; max-width: 420px; flex: 1}
.search__input{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline: none;
}
.search__input:focus{border-color: rgba(99,230,190,.45); box-shadow: 0 0 0 4px rgba(99,230,190,.08)}
.search__results{
  position:absolute; left:0; right:0; top: calc(100% + 10px);
  border: 1px solid var(--border);
  background: rgba(10,16,30,.92);
  border-radius: 14px;
  overflow:hidden;
  box-shadow: var(--shadow);
}
.search__item{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,.05);
  transition: background .15s;
}
.search__item:last-child{border-bottom:none}
.search__item:hover, .search__item:focus{
  background: rgba(255,255,255,.08);
  outline: none;
  text-decoration: none;
}
.search__item-main{
    font-weight: 500;
}
.badge--local{
    background: rgba(99,230,190,.15);
    color: var(--brand);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
}
.badge--page{
    background: rgba(116,192,252,.15);
    color: var(--brand2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
}
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: var(--text);
}
.search__item small{display:block; color: var(--muted); margin-top: 2px}
.search__item:hover{background: rgba(255,255,255,.05); text-decoration:none}

.shell{
  max-width: 1200px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  padding: 18px 16px;
}
.nav{
  position: sticky; top: 78px;
  height: calc(100vh - 98px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  overflow:auto;
  box-shadow: var(--shadow);
}
.nav__section{padding: 10px}
.nav__section--small{border-top: 1px solid rgba(255,255,255,.08)}
.nav__link{
  display:block;
  padding: 10px 10px;
  border-radius: 12px;
  color: var(--muted);
}
.nav__link:hover{background: rgba(255,255,255,.05); color: var(--text); text-decoration:none}
.nav__link--active{
  background: linear-gradient(135deg, rgba(99,230,190,.14), rgba(116,192,252,.10));
  color: var(--text);
  border: 1px solid rgba(99,230,190,.18);
}
.nav__hint{color: var(--faint); font-size: 12.5px; padding: 10px 10px}
.nav kbd{font-family: var(--mono); font-size: 12px; padding: 2px 6px; border-radius: 8px; border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
}

.main{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}
.container{padding: 20px}

h1{font-size: 34px; margin: 6px 0 8px}
h2{font-size: 22px; margin: 22px 0 10px}
h3{font-size: 16px; margin: 18px 0 8px; color: rgba(255,255,255,.9)}
p{color: var(--muted); line-height: 1.65}
ul,ol{color: var(--muted); line-height:1.65}
li{margin: 4px 0}
code{font-fa8px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.card:hover{
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.success-card {
    background: rgba(255,255,255,0.03);
    padding: 16px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.2s;
    height: 100%;
}
.success-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
}
.success-card strong {
    display: block;
    font-size: 1.05em;
    margin-bottom: 6px;
}
.success-card p {
    font-size: 0.9em;
    margin: 0;
    color: var(--muted);
    line-height: 1.5y: var(--mono); font-size: 0.95em}

.card{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  padding: 14px;
}
.grid{display:grid; gap: 14px}
.grid--2{grid-template-columns: repeat(2, minmax(0, 1fr))}
.grid--3{grid-template-columns: repeat(3, minmax(0, 1fr))}

.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.85);
  font-size: 12.5px;
}
.badge i{width:8px; height:8px; border-radius: 50%; display:inline-block; background: var(--brand)}

.table{
  width:100%; border-collapse: collapse;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
}
.table th, .table td{padding: 10px 10px; border-bottom: 1px solid rgba(255,255,255,.08); vertical-align: top}
.table th{color: rgba(255,255,255,.9); font-weight:600; background: rgba(255,255,255,.04)}
.table td{color: var(--muted)}
.table code{font-family: var(--mono); font-size: 12.5px}

.callout{
  border: 1px solid rgba(116,192,252,.22);
  background: linear-gradient(135deg, rgba(116,192,252,.12), rgba(99,230,190,.08));
  border-radius: 16px;
  padding: 12px 14px;
}
.callout b{color: rgba(255,255,255,.95)}

.flex{display:flex; gap: 12px; align-items:center; flex-wrap:wrap}

.figure{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  background: rgba(0,0,0,.12);
  padding: 14px;
}
.figure__title{display:flex; justify-content:space-between; gap:12px; align-items:baseline}
.figure__title small{color: var(--faint)}
.canvasWrap{position:relative; width:100%; height: 280px}
.canvasWrap--sm{height: 220px}
.canvasWrap canvas{width:100% !important; height:100% !important}

.footer{border-top: 1px solid var(--border); background: rgba(10,16,30,.55); backdrop-filter: blur(14px)}
.footer__inner{max-width:1200px; margin: 0 auto; padding: 14px 16px; display:flex; justify-content:space-between; color: var(--faint); gap: 12px}
.footer__links a{margin-left: 12px; color: rgba(255,255,255,.75)}

@media (max-width: 980px){
  .shell{grid-template-columns: 1fr}
  .nav{position:fixed; left: 16px; right: 16px; top: 74px; height: calc(100vh - 90px);
    transform: translateY(-10px);
    opacity: 0; pointer-events:none;
    transition: opacity .18s ease, transform .18s ease;
    background: #0f1623;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    z-index: 100;
  }
  .nav.nav--open{opacity: 1; transform: translateY(0); pointer-events:auto}
  .iconbtn{display:block}
  /* Show search but maybe smaller or stacked? For now keep hidden if space is tight, 
     but actually 980px is quite wide (tablet). Let's allow search on tablet, hide on phone. */
  .brand{min-width: 0}
}

@media (max-width: 700px) {
    .search { display: none; }
    .grid--2, .grid--3 { grid-template-columns: 1fr; }
    .table { display: block; overflow-x: auto; white-space: nowrap; }
    .brand__subtitle { display: none; }
    
    /* Improve Home page layout on mobile */
    .flex { flex-direction: column; align-items: flex-start; }
    .flex > .card { width: 100%; }
    
    /* Improve figure header on mobile */
    .figure__title { flex-direction: column; gap: 6px; align-items: flex-start; }
}