:root{--text:#a8b4c8;--text-h:#eef3ff;--text-muted:#6d7d96;--bg:#0b1220;--surface:#121b2e;--surface-2:#0f1728;--border:#243049;--accent:#3dd6c6;--accent-dim:#3dd6c61a;--sans:"Segoe UI", system-ui, sans-serif;--mono:ui-monospace, Consolas, monospace;--sidebar-w:240px;font:16px/1.6 var(--sans);color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100svh;margin:0}code{font-family:var(--mono);background:var(--accent-dim);color:var(--accent);border-radius:4px;padding:2px 6px;font-size:.9em}.layout{grid-template-columns:var(--sidebar-w) 1fr;min-height:100svh;display:grid}.main{max-width:820px;padding:40px 40px 64px}.sidebar{border-right:1px solid var(--border);background:var(--surface-2);flex-direction:column;gap:20px;height:100svh;padding:20px 16px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-brand{color:var(--text-h);align-items:center;gap:10px;font-size:1.05rem;font-weight:650;text-decoration:none;display:flex}.sidebar-nav{text-align:left;flex-direction:column;flex:1;gap:4px;display:flex}.nav-group{flex-direction:column;gap:2px;display:flex}.nav-group__link{font-weight:600}.nav-group__children{border-left:2px solid var(--accent);flex-direction:column;gap:1px;margin-left:4px;padding:2px 0 6px 12px;display:flex}.nav-branch{flex-direction:column;gap:1px;display:flex}.nav-group__children--branch{border-left-color:#3dd6c673;margin-top:1px;padding-left:10px}.sidebar-group{border:1px solid var(--border);background:#0000001f;border-radius:8px;overflow:hidden}.sidebar-group+.sidebar-group{margin-top:6px}.sidebar-summary{cursor:pointer;color:var(--text-h);-webkit-user-select:none;user-select:none;text-align:left;justify-content:flex-start;align-items:center;padding:7px 10px;font-size:.88rem;font-weight:600;list-style:none;display:flex}.sidebar-summary::-webkit-details-marker{display:none}.sidebar-summary:before{content:"▸";width:1rem;color:var(--text-muted);margin-right:4px;transition:transform .15s;display:inline-block}.sidebar-group[open]>.sidebar-summary:before{transform:rotate(90deg)}.sidebar-summary-link{color:inherit;text-decoration:none}.sidebar-summary-link:hover{color:var(--accent)}.sidebar-summary-label{color:inherit}.sidebar-children{border-left:2px solid var(--accent);background:#0000002e;border-radius:0 6px 6px 0;flex-direction:column;gap:1px;margin:0 8px 8px;padding:4px 8px 8px;display:flex}.sidebar-link{color:var(--text);text-align:left;border-radius:6px;padding:7px 10px;font-size:.92rem;text-decoration:none;transition:background .15s,color .15s;display:block}.sidebar-link:hover,.sidebar-link:focus-visible{background:var(--accent-dim);color:var(--text-h)}.sidebar-link.subtle{color:var(--text-muted)}.sidebar-link.active{background:var(--accent-dim);color:var(--text-h)}.sidebar-link--nested{color:var(--text-muted);padding:5px 10px;font-size:.86rem}.sidebar-link--nested:hover,.sidebar-link--nested:focus-visible,.sidebar-link--nested.active{color:var(--text-h);background:var(--accent-dim)}.sidebar-link--deep{color:var(--text-muted);padding:4px 10px;font-size:.82rem}.sidebar-link--deep:hover,.sidebar-link--deep:focus-visible,.sidebar-link--deep.active{color:var(--text-h);background:var(--accent-dim)}.sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:12px;display:flex}.sidebar-pill{color:var(--text-muted);border:1px solid var(--border);text-align:center;border-radius:6px;padding:6px 10px;font-size:.8rem}.hero{border-bottom:1px solid var(--border);margin-bottom:48px;padding-bottom:40px}.hero--compact{margin-bottom:36px;padding-bottom:28px}.hero--minimal{text-align:left;border-bottom:none;margin-bottom:20px;padding-bottom:0}.hero--minimal h1{margin-bottom:0}.logo{margin-bottom:20px;display:block}.logo--sm{margin-bottom:14px}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 8px;font-size:.8rem}h1{letter-spacing:-.03em;color:var(--text-h);margin:0 0 14px;font-size:clamp(2.2rem,5vw,3rem);font-weight:650}.lede{max-width:38rem;color:var(--text);margin:0;font-size:1.08rem}.hero-links{margin:18px 0 0}.text-link{color:var(--accent);font-weight:600;text-decoration:none}.text-link:hover{text-decoration:underline}.showcase{margin-bottom:40px}.gallery{max-width:100%;margin:0 0 20px}.gallery__stage{border:1px solid var(--border);background:#000;border-radius:12px;line-height:0;overflow:hidden}.gallery__stage--video{aspect-ratio:16/9;max-height:420px}.gallery__main{object-fit:contain;background:#050a12;width:100%;height:auto;max-height:420px;display:block}.gallery__main--video{aspect-ratio:16/9;border:0;width:100%;height:100%;max-height:none}.gallery__thumbs{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:10px;display:grid}.gallery__thumb{appearance:none;border:2px solid var(--border);cursor:pointer;opacity:.72;background:#000;border-radius:8px;padding:0;transition:border-color .15s,opacity .15s,transform .15s;position:relative;overflow:hidden}.gallery__thumb:hover{opacity:1;border-color:var(--accent)}.gallery__thumb--active{opacity:1;border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.gallery__thumb img{aspect-ratio:16/10;object-fit:cover;width:100%;display:block}.gallery__video-icon{color:#fff;pointer-events:none;background:#000000a6;border:1px solid #ffffff47;border-radius:5px;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex;position:absolute;bottom:5px;right:5px}.gallery__video-icon svg{display:block}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.card{border:1px solid var(--border);background:linear-gradient(145deg, var(--surface) 0%, #3dd6c614 100%);border-radius:12px;flex-direction:column;gap:6px;padding:20px 22px;text-decoration:none;transition:border-color .15s,transform .15s,box-shadow .15s;display:flex}.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px #00000040}.card__title{color:var(--text-h);font-size:1.15rem;font-weight:650}.card__desc{color:var(--text);font-size:.92rem;line-height:1.45}.card:after{content:"→";color:var(--accent);margin-top:4px;font-size:1.1rem;font-weight:600}.section{margin-bottom:48px;scroll-margin-top:24px}.section h2{border-bottom:1px solid var(--border);color:var(--text-h);margin:0 0 20px;padding-bottom:10px;font-size:1.35rem;font-weight:600}.section--nested h3{color:var(--text-h);margin:28px 0 12px;font-size:1.05rem}.section--nested:first-of-type h3{margin-top:0}.section-intro{color:var(--text);margin:0 0 20px;line-height:1.6}.steps{margin:0 0 20px;padding-left:1.25rem}.steps li+li{margin-top:10px}.tutorial__figure{border:1px solid var(--border);background:#000;border-radius:12px;margin:0 0 24px;line-height:0;overflow:hidden}.tutorial__figure-btn{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0;line-height:0;display:block}.tutorial__figure-btn:hover .tutorial__image,.tutorial__figure-btn:focus-visible .tutorial__image{opacity:.92}.tutorial__figure-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.tutorial__image{width:100%;height:auto;display:block}.figure-modal{z-index:1000;background:#000000f0;justify-content:center;align-items:center;padding:48px 24px 24px;display:flex;position:fixed;inset:0}.figure-modal[hidden]{display:none}.figure-modal__image{object-fit:contain;border-radius:8px;max-width:100%;max-height:100%;display:block}.figure-modal__close{color:#fff;cursor:pointer;background:#ffffff1a;border:0;border-radius:8px;width:40px;height:40px;font-size:1.75rem;line-height:1;position:absolute;top:12px;right:16px}.figure-modal__close:hover,.figure-modal__close:focus-visible{background:#fff3}body.figure-modal-open{overflow:hidden}.tutorial__part-title{margin:28px 0 12px;font-size:1.05rem;font-weight:600}.tutorial__part-title:first-of-type{margin-top:0}.media__figure{border:1px solid var(--border);background:#000;border-radius:12px;margin:24px 0 0;line-height:0;overflow:hidden}.media__video{width:100%;height:auto;display:block}.callout{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:16px 18px;font-size:.95rem;line-height:1.55}.callout strong{color:var(--text-h)}.callout--warning{background:#ffba4914;border-color:#ffba4959;align-items:flex-start;gap:12px;margin-bottom:20px;display:flex}.callout__icon{color:#ffba49;flex-shrink:0;font-size:1rem;line-height:1.55}.callout__body{flex:1;font-size:.95rem;line-height:1.55}.table-wrap{border:1px solid var(--border);background:var(--surface);border-radius:10px;overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:.92rem}.table th,.table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:12px 14px}.table th{color:var(--text-h);background:#00000026;font-weight:600}.table tr:last-child td{border-bottom:none}.table__name{color:var(--text-h);white-space:nowrap;font-weight:600}.table__type{white-space:nowrap}.table__default{white-space:nowrap;color:var(--text-muted)}.table__desc{min-width:16rem}.note-grid{gap:14px;display:grid}@media (width>=720px){.note-grid{grid-template-columns:repeat(3,1fr)}}.note-card{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:16px 18px}.note-card h3{color:var(--text-h);margin:0 0 8px;font-size:.98rem}.note-card p{margin:0;font-size:.92rem}.api-list{flex-direction:column;gap:12px;display:flex}.api-entry{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:16px 18px}.api-entry-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;display:flex}.api-name{color:var(--text-h);margin:0;font-size:1rem;font-weight:600}.api-badge{letter-spacing:.04em;text-transform:uppercase;background:var(--accent-dim);color:var(--accent);border-radius:999px;padding:3px 8px;font-size:.72rem;font-weight:600}.api-signature{color:#9ec9ff;word-break:break-word;background:#00000040;border-radius:6px;margin:0 0 10px;padding:8px 10px;font-size:.82rem;line-height:1.45;display:block}.api-desc{color:var(--text);margin:0;font-size:.94rem}.footer{border-top:1px solid var(--border);color:var(--text-muted);margin-top:32px;padding-top:24px;font-size:.9rem}.footer a{color:var(--accent);text-decoration:none}@media (width<=900px){.layout{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border);height:auto;position:static}.sidebar-nav{flex:none}.gallery__thumbs{grid-template-columns:repeat(3,minmax(0,1fr))}.card-grid{grid-template-columns:1fr}.main{padding:28px 20px 48px}}