:root,[data-theme=dark]{--sts-bg: #070b11;--sts-surface: #0d131b;--sts-surface-raised: #141b25;--sts-card: #0f151d;--sts-stroke: #1d2632;--sts-text: #eef4fb;--sts-text-secondary: #93a4b8;--sts-accent: #22d3ee;--sts-accent-2: #4d7cfe;--sts-accent-3: #8b5cf6;--sts-accent-soft: #0a2330;--sts-on-accent: #04121b;--sts-brand-ink: #0b1e33;--sts-success: #00c853;--sts-warning: #ffab00;--sts-error: #ff4d6d;--sts-scrim: #0b1e33;--sts-grad: linear-gradient(115deg, #22d3ee 0%, #00b8d4 26%, #4d7cfe 66%, #8b5cf6 100%);--sts-grad-soft: linear-gradient(115deg, rgba(34, 211, 238, .18), rgba(77, 124, 254, .18), rgba(139, 92, 246, .18));--sts-hairline: rgba(147, 164, 184, .16);--sts-shadow-card: 0 18px 48px rgba(0, 0, 0, .45);--sts-shadow-nav: 0 8px 28px rgba(0, 0, 0, .5);--sts-glow: 0 0 32px rgba(34, 211, 238, .35)}[data-theme=light]{--sts-bg: #f6f9fc;--sts-surface: #eaf0f7;--sts-surface-raised: #ffffff;--sts-card: #ffffff;--sts-stroke: #dbe3ec;--sts-text: #101822;--sts-text-secondary: #5d6b7d;--sts-accent: #0097b2;--sts-accent-2: #3b62d9;--sts-accent-3: #6d3ee0;--sts-accent-soft: #dff3f8;--sts-on-accent: #ffffff;--sts-brand-ink: #0b1e33;--sts-success: #009e47;--sts-warning: #db8500;--sts-error: #d9143d;--sts-scrim: #0b1e33;--sts-grad: linear-gradient(115deg, #00a5c0 0%, #0097b2 26%, #3b62d9 66%, #6d3ee0 100%);--sts-grad-soft: linear-gradient(115deg, rgba(0, 165, 192, .14), rgba(59, 98, 217, .14), rgba(109, 62, 224, .14));--sts-hairline: rgba(93, 107, 125, .18);--sts-shadow-card: 0 16px 40px rgba(16, 24, 34, .1);--sts-shadow-nav: 0 6px 20px rgba(16, 24, 34, .08);--sts-glow: 0 0 26px rgba(0, 151, 178, .25)}:root{--sts-max: 1180px;--sts-max-wide: 1280px;--sts-nav-h: 62px;--sts-nav-h-expanded: 76px;--sts-radius: 16px;--sts-radius-sm: 10px;--sts-radius-lg: 22px;--font-sans: "IBM Plex Sans", "Noto Sans SC", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--sts-ease-out: cubic-bezier(.16, .84, .44, 1);--sts-ease-spring: cubic-bezier(.34, 1.32, .64, 1)}*,*:before,*:after{box-sizing:border-box}html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;background:var(--sts-bg);color:var(--sts-text);font-family:var(--font-sans);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}main{flex:1}a{color:var(--sts-accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;letter-spacing:-.02em}:focus-visible{outline:2px solid var(--sts-accent);outline-offset:3px;border-radius:6px}::selection{background:color-mix(in srgb,var(--sts-accent) 32%,transparent);color:var(--sts-text)}*{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--sts-accent) 50%,transparent) color-mix(in srgb,var(--sts-surface) 55%,transparent)}::-webkit-scrollbar{width:11px;height:11px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{border-radius:999px;background-color:color-mix(in srgb,var(--sts-accent) 42%,transparent);border:3px solid transparent;background-clip:padding-box;transition:background-color .2s var(--sts-ease-out)}::-webkit-scrollbar-thumb:hover{background-color:color-mix(in srgb,var(--sts-accent) 68%,transparent);background-clip:padding-box}::-webkit-scrollbar-corner{background:transparent}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.shell{width:100%;max-width:var(--sts-max);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}.shell-wide{width:100%;max-width:var(--sts-max-wide);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}@media(min-width:720px){.shell,.shell-wide{padding-left:max(32px,env(safe-area-inset-left));padding-right:max(32px,env(safe-area-inset-right))}}.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 22px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;overflow:hidden;transition:transform .22s var(--sts-ease-out),box-shadow .22s var(--sts-ease-out),border-color .22s var(--sts-ease-out),background .22s var(--sts-ease-out),color .22s var(--sts-ease-out)}.btn:hover{text-decoration:none;transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--sts-grad);background-size:180% 180%;background-position:0% 50%;color:var(--sts-on-accent);box-shadow:0 10px 30px -12px color-mix(in srgb,var(--sts-accent) 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10%,transparent);color:var(--sts-accent);font-size:.78rem;font-weight:600;letter-spacing:.04em}.dot-pulse{position:relative;width:7px;height:7px;border-radius:999px;background:var(--sts-accent);flex:none}.dot-pulse:after{content:"";position:absolute;inset:-4px;border-radius:999px;border:1px solid var(--sts-accent);opacity:.7;animation:sts-pulse-ring 2.2s var(--sts-ease-out) infinite}.kbd{font-family:var(--font-mono);font-size:.82em;padding:2px 7px;border-radius:6px;border:1px solid var(--sts-stroke);background:var(--sts-surface);color:var(--sts-text)}.page-shell{max-width:var(--sts-max);margin:0 auto;padding:40px max(20px,env(safe-area-inset-right)) 88px max(20px,env(safe-area-inset-left))}@media(min-width:720px){.page-shell{padding:64px max(32px,env(safe-area-inset-right)) 112px max(32px,env(safe-area-inset-left))}}.page-shell h1{margin:0 0 12px;font-size:clamp(1.7rem,4vw,2.5rem)}.page-lead{margin:0;max-width:42rem;color:var(--sts-text-secondary);font-size:1.02rem}.card{border:1px solid var(--sts-hairline);border-radius:var(--sts-radius);background:color-mix(in srgb,var(--sts-card) 82%,transparent);box-shadow:var(--sts-shadow-card)}[data-theme=light] .card{border-color:var(--sts-stroke)}.section{position:relative;padding-block:56px}@media(min-width:720px){.section{padding-block:96px}}.section-head{display:grid;gap:12px;max-width:44rem;margin-bottom:32px}.section-head h2{margin:0;font-size:clamp(1.5rem,3.4vw,2.15rem)}.section-head p{margin:0;color:var(--sts-text-secondary)}.grad-text{background:var(--sts-grad);-webkit-background-clip:text;background-clip:text;color:transparent}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@keyframes sts-grad-pan{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes 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var(--sts-ease-out)}.panel:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--sts-accent) 40%,transparent)}.panel h3{margin:0 0 8px;font-size:1.05rem}.panel p{margin:0;color:var(--sts-text-secondary);font-size:.93rem}.panel.accent{border-color:color-mix(in srgb,var(--sts-accent) 45%,transparent);box-shadow:var(--sts-shadow-card),0 0 0 1px color-mix(in srgb,var(--sts-accent) 18%,transparent)}.panel .mono-tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;color:var(--sts-accent)}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.74rem;font-weight:700;letter-spacing:.04em;color:var(--sts-accent);background:color-mix(in srgb,var(--sts-accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--sts-accent) 30%,transparent)}.pill.muted{color:var(--sts-text-secondary);background:color-mix(in srgb,var(--sts-text-secondary) 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summary:after{content:"+";font-family:var(--font-mono);color:var(--sts-accent);font-size:1.1rem;line-height:1;transition:transform .24s var(--sts-ease-out)}.acc[open] summary:after{content:"−"}.acc p{margin:0 0 16px;color:var(--sts-text-secondary)}.doc-layout{display:grid;gap:24px;align-items:start}@media(min-width:900px){.doc-layout{grid-template-columns:230px minmax(0,1fr)}.doc-layout .toc-card{position:sticky;top:calc(var(--sts-nav-h) + 20px)}}.toc-card{padding:18px}.toc-card h2{margin:0 0 10px;font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--sts-text-secondary)}.toc-card ol{margin:0;padding:0;list-style:none;display:grid;gap:2px}.toc-card a{display:block;padding:7px 10px;border-radius:8px;color:var(--sts-text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s var(--sts-ease-out),background .2s var(--sts-ease-out)}.toc-card a:hover{color:var(--sts-accent);background:color-mix(in srgb,var(--sts-accent) 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var(--sts-hairline);border-radius:var(--sts-radius);background:color-mix(in srgb,var(--sts-card) 70%,transparent);box-shadow:var(--sts-shadow-card)}.mx{width:100%;min-width:620px;border-collapse:collapse;font-size:.92rem}.mx th,.mx td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--sts-hairline);vertical-align:middle}.mx thead th{font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--sts-text-secondary);background:color-mix(in srgb,var(--sts-surface) 70%,transparent);position:sticky;top:0;backdrop-filter:blur(6px);z-index:1}.mx tbody tr{transition:background .22s var(--sts-ease-out)}.mx tbody tr:hover{background:color-mix(in srgb,var(--sts-accent) 6%,transparent)}.mx tbody tr:last-child td{border-bottom:0}.mx .row-label{font-weight:600;color:var(--sts-text)}.mx .yes,.mx .no,.mx .partial{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-size:.8rem;font-weight:700}.mx .yes{color:var(--sts-success);background:color-mix(in srgb,var(--sts-success) 16%,transparent)}.mx .no{color:var(--sts-text-secondary);background:color-mix(in srgb,var(--sts-text-secondary) 12%,transparent)}.mx .partial{color:var(--sts-warning);background:color-mix(in srgb,var(--sts-warning) 16%,transparent)}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.tab{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 15px;border-radius:999px;border:1px solid var(--sts-hairline);background:color-mix(in srgb,var(--sts-card) 60%,transparent);color:var(--sts-text-secondary);font:inherit;font-size:.86rem;font-weight:600;cursor:pointer;transition:color .22s var(--sts-ease-out),border-color .22s var(--sts-ease-out),background .22s var(--sts-ease-out),transform .22s var(--sts-ease-out)}.tab:hover{color:var(--sts-text);border-color:color-mix(in srgb,var(--sts-accent) 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