:root{color-scheme:dark;--bg: #0b1220;--bg-elevated: #101a2d;--panel: rgba(19, 30, 50, 0.92);--panel-strong: #162238;--panel-border: rgba(139, 163, 199, 0.16);--text: #e7eefc;--muted: #9fb0cd;--heading: #f8fbff;--accent: #7dd3fc;--accent-strong: #38bdf8;--accent-soft: rgba(56, 189, 248, 0.16);--success: #6ee7b7;--shadow: 0 28px 80px rgba(2, 8, 23, 0.48);--radius-lg: 15px;--radius-md: 15px;--radius-sm: 12px;--content-width: 840px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:"Segoe UI", "Inter", "Helvetica Neue", sans-serif;color:var(--text);background:radial-gradient(circle at top, rgba(56,189,248,0.16), transparent 34%),linear-gradient(180deg, #0b1220 0%, #09111d 100%)}a{color:var(--accent);text-decoration:none}a:hover{color:#b6ecff}img{display:block;max-width:100%;height:auto;margin:1.5rem 0;border:1px solid var(--panel-border);border-radius:var(--radius-md);box-shadow:var(--shadow)}code,pre{font-family:"SFMono-Regular", "Consolas", "Liberation Mono", monospace}code{padding:0.16rem 0.42rem;border-radius:999px;background:rgba(125,211,252,0.12);color:#c6f4ff}pre{position:relative;overflow-x:auto;padding:1rem 1.15rem 1.1rem;border:1px solid var(--panel-border);border-radius:var(--radius-md);background:#09101c}pre code{display:block;padding:0;background:transparent;line-height:1.55}pre.has-copy-button{display:grid;grid-template-columns:minmax(0, 1fr) auto;align-items:center;gap:0.85rem;padding-top:0.95rem}.copy-button{position:relative;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:34px;height:34px;padding:0;border:1px solid rgba(125,211,252,0.18);border-radius:999px;background:rgba(15,23,38,0.92);color:var(--muted);line-height:0;cursor:pointer;transition:color 120ms ease, border-color 120ms ease, background 120ms ease}.copy-button:hover{color:var(--heading);border-color:rgba(125,211,252,0.38);background:rgba(19,30,50,0.98)}.copy-button.is-copied{color:#dffef0;border-color:rgba(110,231,183,0.4);background:rgba(12,43,34,0.92)}.copy-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.site-shell{width:min(1400px, calc(100% - 32px));margin:0 auto;padding:24px 0 40px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:24px;padding:18px 22px;border:1px solid var(--panel-border);border-radius:15px;background:rgba(8,15,28,0.72);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.brand{display:inline-flex;align-items:center;gap:0.9rem;color:var(--heading);font-size:1.55rem}.brand:hover{color:var(--heading)}.brand-subtitle{margin-left:0.45rem;color:var(--muted);font-size:0.9rem;font-weight:500;letter-spacing:0.12em;text-transform:uppercase}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:15px;background:linear-gradient(180deg, rgba(56,189,248,0.22), rgba(125,211,252,0.08));color:var(--accent)}.brand-mark svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linejoin:round}.header-nav{display:flex;gap:0.9rem}.header-nav a{display:inline-flex;align-items:center;gap:0.55rem;padding:0.65rem 1rem;border-radius:999px;color:var(--muted)}.header-nav a:hover{background:rgba(125,211,252,0.09);color:var(--heading)}.nav-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px}.nav-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.header-nav a:last-child .nav-icon svg{fill:currentColor;stroke:none}.layout{display:grid;grid-template-columns:280px minmax(0, 1fr);gap:24px}.sidebar{position:sticky;top:24px;align-self:start}.sidebar-card,.doc-content,.hero-card{border:1px solid var(--panel-border);background:var(--panel);box-shadow:var(--shadow)}.sidebar-card{margin-bottom:16px;padding:16px;border-radius:var(--radius-lg)}.eyebrow{margin:0;color:var(--accent);font-size:0.8rem;font-weight:700;letter-spacing:0.16em;text-transform:uppercase}.sidebar-nav{display:grid;gap:0.3rem;padding:8px;border:1px solid var(--panel-border);border-radius:var(--radius-lg);background:rgba(12,20,34,0.82);box-shadow:var(--shadow)}.sidebar-nav a{display:block;padding:0.72rem 0.82rem;border-radius:12px;color:var(--muted);font-size:0.98rem;line-height:1.28}.sidebar-nav a:hover,.sidebar-nav a.is-active{background:linear-gradient(90deg, rgba(56,189,248,0.16), rgba(56,189,248,0.06));color:var(--heading)}.content-wrap{min-width:0}.hero-card{margin-bottom:20px;padding:28px 32px;border-radius:15px;background:radial-gradient(circle at top right, rgba(125,211,252,0.12), transparent 30%),linear-gradient(180deg, rgba(19,30,50,0.98), rgba(13,22,37,0.96))}.hero-card h1{margin:0.4rem 0 0.75rem;color:var(--heading);font-size:clamp(1.8rem, 2vw, 2.6rem);line-height:1.05}.lede{max-width:64ch;margin:0;color:var(--muted);font-size:1rem;line-height:1.75}.doc-content{max-width:var(--content-width);padding:34px 36px;border-radius:15px}.sidebar-graphic{margin-top:0.9rem;border:1px solid var(--panel-border);border-radius:12px;background:radial-gradient(circle at top, rgba(125,211,252,0.12), transparent 42%),linear-gradient(180deg, rgba(10,17,30,0.86), rgba(12,19,33,0.96));overflow:hidden}.sidebar-graphic svg{display:block;width:100%;height:auto}.chart-grid line{stroke:rgba(159,176,205,0.18);stroke-dasharray:4 8}.chart-area{fill:url(#snapfs-grid)}.chart-line{fill:none;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:100;stroke-dashoffset:100;animation-fill-mode:forwards}.chart-line-a{stroke:url(#snapfs-line-a);stroke-width:3;animation:chartRevealA 1.8s ease-out forwards}.chart-line-b{stroke:url(#snapfs-line-b);stroke-width:2;opacity:0.8;animation:chartRevealB 1.8s ease-out 0.18s forwards}@keyframes chartRevealA{0%{stroke-dashoffset:100;opacity:0.35}100%{stroke-dashoffset:0;opacity:1}}@keyframes chartRevealB{0%{stroke-dashoffset:100;opacity:0.2}100%{stroke-dashoffset:0;opacity:0.8}}@media (prefers-reduced-motion: reduce){.chart-line-a,.chart-line-b{animation:none}.chart-line{stroke-dashoffset:0}}.doc-content>:first-child{margin-top:0}.doc-content>h1:first-child{display:none}.doc-content h1,.doc-content h2,.doc-content h3{color:var(--heading);letter-spacing:-0.02em}.doc-content h1{font-size:2.2rem}.doc-content h2{margin-top:2.75rem;padding-top:0.35rem;font-size:1.45rem}.doc-content h3{margin-top:1.75rem;font-size:1.1rem}.doc-content p,.doc-content li{color:var(--text);line-height:1.8}.doc-content ul,.doc-content ol{padding-left:1.4rem}.doc-content li+li{margin-top:0.35rem}.doc-content blockquote{margin:1.5rem 0;padding:0.2rem 1rem;border-left:3px solid var(--accent-strong);color:var(--muted);background:rgba(125,211,252,0.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.doc-content hr{border:0;border-top:1px solid var(--panel-border);margin:2rem 0}.doc-content strong{color:var(--heading)}.doc-content table{width:100%;border-collapse:collapse;margin:1.5rem 0;overflow:hidden;border-radius:var(--radius-md)}.doc-content th,.doc-content td{padding:0.9rem 1rem;border-bottom:1px solid var(--panel-border);text-align:left}.doc-content th{color:var(--heading);background:rgba(125,211,252,0.08)}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:22px;padding:18px 6px 0;color:var(--muted);font-size:0.92rem}.site-footer p{margin:0}.footer-nav{display:flex;gap:1rem;flex-wrap:wrap}.footer-nav a{color:var(--muted)}.footer-nav a:hover{color:var(--heading)}@media (max-width: 980px){.layout{grid-template-columns:1fr}.sidebar{position:static}.doc-content{padding:28px 22px}.site-footer{padding-top:6px}}@media (max-width: 720px){.site-shell{width:min(100% - 20px, 100%);padding-top:12px}.site-header{flex-direction:column;align-items:stretch;border-radius:28px}.header-nav{flex-wrap:wrap}.hero-card{padding:24px 22px;border-radius:15px}.site-footer{flex-direction:column;align-items:flex-start}}