:root{color-scheme:dark;--c-bg:#0b101a;--c-panel:#101824;--c-line:#263040;--c-text:#eef3f9;--c-muted:#a1afc2;--c-cyan:#73e4d2;--c-gold:#d9bd80}
*{box-sizing:border-box}.sigma-center{margin:0;background:var(--c-bg);color:var(--c-text);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.sigma-center a{color:inherit;text-decoration:none}.sigma-center button,.sigma-center input{font:inherit}.sigma-center button{cursor:pointer}.sigma-center [hidden]{display:none!important}.sigma-center a:focus-visible,.sigma-center button:focus-visible,.sigma-center input:focus-visible,.sigma-center summary:focus-visible{outline:2px solid var(--c-cyan);outline-offset:4px}.center-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.center-skip{position:fixed;top:8px;left:12px;background:var(--c-cyan);color:#071b18!important;padding:12px;transform:translateY(-160%);z-index:10}.center-skip:focus{transform:none}
.center-header{max-width:1480px;margin:auto;min-height:96px;display:flex;align-items:center;gap:32px;padding:20px 48px;border-bottom:1px solid var(--c-line)}.center-brand{display:flex;align-items:center;gap:12px;white-space:nowrap;font-size:18px;letter-spacing:3px;line-height:1.2}.center-brand b{font-weight:400;color:var(--c-cyan)}.center-brand small{display:block;font-size:8px;letter-spacing:1.4px;color:var(--c-muted);margin-top:7px}.center-brand-mark{font:32px/1 Georgia,serif;color:var(--c-cyan);border:1px solid #396056;border-radius:12px;width:46px;height:46px;display:grid;place-items:center}.center-header nav{display:flex;justify-content:center;gap:25px;flex:1;font-size:13px;color:var(--c-muted)}.center-header nav a{padding:10px 0;border-bottom:1px solid transparent}.center-header nav a[aria-current]{color:var(--c-text);border-color:var(--c-cyan)}.center-header a:hover{color:var(--c-cyan)}.center-account{border:1px solid var(--c-line);border-radius:7px;padding:10px 14px;font-size:12px;white-space:nowrap;display:flex;gap:18px}.center-account span{color:var(--c-cyan)}
.center-main{max-width:1384px;padding:0 32px;margin:auto}.center-hero{display:grid;grid-template-columns:1.55fr 1fr;gap:70px;padding:64px 0 60px;align-items:center;border-bottom:1px solid var(--c-line)}.center-eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:var(--c-muted)}.center-hero .center-eyebrow{color:var(--c-cyan)}.center-dot{display:inline-block;width:6px;height:6px;background:var(--c-cyan);border-radius:50%;margin-right:6px;vertical-align:1px}.center-hero h1{font-size:clamp(32px,3.5vw,48px);line-height:1.14;letter-spacing:-1.7px;font-weight:600;margin:22px 0}.center-hero h1 span{color:var(--c-cyan)}.center-hero p{color:var(--c-muted);font-size:15px;line-height:1.8;margin:0 0 26px}.center-jump{display:inline-flex;align-items:center;gap:32px;border:1px solid #335d57;background:#132b2b;border-radius:7px;padding:10px 17px;font-size:12px;font-weight:600}.center-jump span{color:var(--c-cyan)}.center-shortcuts{background:linear-gradient(130deg,#13232b,#111924 75%);border:1px solid #2d4249;border-radius:12px;padding:24px 26px}.center-shortcuts-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}.center-muted{color:var(--c-muted);font:10px/1.6 monospace}.center-shortcut{display:flex;align-items:center;gap:17px;padding:14px 0;border-bottom:1px solid #263640}.center-shortcut:last-child{border-bottom:0;padding-bottom:0}.center-shortcut-number{font:11px/1.5 monospace;color:#8eaaa9}.center-shortcut strong{display:block;font-size:14px;font-weight:600}.center-shortcut small{display:block;font-size:11px;color:var(--c-muted);margin-top:1px}.center-arrow{margin-left:auto;color:var(--c-cyan);font-size:20px}.center-shortcut:hover strong{color:var(--c-cyan)}
.center-workspace{display:grid;grid-template-columns:225px minmax(0,1fr);gap:42px;padding:38px 0 70px;scroll-margin-top:20px}.center-sidebar{padding-top:10px}.center-sidebar> .center-eyebrow{display:block;margin:0 12px 16px;font-size:9px}.center-sidebar nav{display:flex;flex-direction:column;gap:4px}.center-sidebar button{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;border:1px solid transparent;border-radius:7px;background:transparent;color:var(--c-muted);padding:11px 12px;font-size:12px}.center-sidebar button[aria-pressed=true]{border-color:#2d4847;background:#142929;color:var(--c-cyan)}.center-sidebar button:hover{background:#16212f;color:var(--c-text)}.center-badge{font:10px/1.5 monospace;min-width:23px;text-align:center;color:#adc2cd}.center-sidebar-rule{height:1px;background:var(--c-line);margin:12px}.center-sidebar-note{border:1px solid var(--c-line);border-radius:8px;padding:18px;margin-top:30px;background:#0e1621}.center-sidebar-note strong{font-size:12px;font-weight:600}.center-sidebar-note p{font-size:11px;color:var(--c-muted);margin:10px 0}.center-sidebar-note small{display:block;font-size:10px;line-height:1.6;color:#95a8b9}
.center-search-row{display:flex;gap:12px;align-items:center}.center-search{display:flex;align-items:center;gap:13px;background:var(--c-panel);border:1px solid #334154;border-radius:8px;padding:0 16px;min-width:0;flex:1}.center-search svg{fill:none;stroke:var(--c-muted);stroke-width:1.6;flex-shrink:0}.center-search input{background:transparent;border:0;color:var(--c-text);width:100%;min-width:0;height:50px;font-size:13px}.center-search input::placeholder{color:#98a9bf;opacity:1}.center-clear,.center-empty button{background:#172838;color:var(--c-text);border:1px solid #375365;border-radius:6px;font-size:12px;padding:10px 13px}.center-result-row{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:13px 1px 27px;color:var(--c-muted);font-size:10px}.center-result-row p{margin:0}.center-result-row>span{color:#95a7ba}.center-section-heading{display:flex;align-items:center;justify-content:space-between}.center-section-heading h2{font-weight:600;font-size:23px;letter-spacing:-.4px;margin:3px 0}.center-group-total{font:12px/1.5 monospace;color:var(--c-muted);border:1px solid var(--c-line);border-radius:6px;padding:3px 9px}.center-group-description{font-size:12px;color:var(--c-muted);margin:4px 0 22px}.center-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.center-card{display:flex;flex-direction:column;min-width:0;background:var(--c-panel);border:1px solid var(--c-line);border-radius:9px;padding:18px;transition:border-color .15s ease,background-color .15s ease}.center-card:hover{border-color:#496269;background:#13212d}.center-card-top{display:flex;align-items:center;justify-content:space-between;gap:4px}.center-card-category{font-size:9px;letter-spacing:.7px;color:#a9c4cd}.center-favorite{background:transparent;color:#a4b5c8;border:1px solid transparent;border-radius:5px;font-size:20px;line-height:1;min-width:34px;min-height:34px;padding:5px}.center-favorite[aria-pressed=true]{color:var(--c-gold);background:#2b2822}.center-favorite:hover{border-color:#617180}.center-card h3{font-size:15px;line-height:1.35;font-weight:600;margin:15px 0 9px;overflow-wrap:anywhere}.center-card h3 a:hover{color:var(--c-cyan)}.center-card p{font-size:12px;line-height:1.75;color:var(--c-muted);margin:0 0 20px;flex:1}.center-card-open{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--c-line);padding-top:13px;font-size:11px;color:#c9d9e4!important}.center-card-open span[aria-hidden]{font-size:19px;line-height:1;color:var(--c-cyan)}
details.center-group{border-top:1px solid var(--c-line);margin-top:30px;padding-top:24px}.center-group-summary{display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;gap:15px;padding-bottom:10px}.center-group-summary::-webkit-details-marker{display:none}.center-group-summary strong{display:block;font-size:19px;font-weight:500;margin-top:4px}.center-group-summary-end{display:flex;gap:24px;align-items:center;color:var(--c-muted);font-size:12px}.center-chevron{font-size:24px;color:var(--c-cyan)}details[open] .center-chevron{transform:rotate(180deg)}.center-owner-note{margin-top:28px;border:1px solid #3c3b32;background:#1a1c1e;border-radius:8px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.center-owner-note strong{font-size:13px;color:#e2d6b8}.center-owner-note p{font-size:11px;color:#b6b6af;margin:5px 0 0;max-width:530px}.center-owner-note>a{color:var(--c-gold);font-size:12px;white-space:nowrap}.center-empty{padding:50px 20px;text-align:center;border:1px dashed #344659;border-radius:9px}.center-empty>span{font-size:35px;color:var(--c-cyan)}.center-empty h2{font-size:21px;font-weight:500}.center-empty p{font-size:13px;color:var(--c-muted);margin-bottom:24px}.center-notice{font-size:13px;color:var(--c-gold)}.center-footer{max-width:1320px;margin:auto;border-top:1px solid var(--c-line);padding:25px 0 35px;display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:10px;color:var(--c-muted)}.center-footer>span{letter-spacing:1.6px}.center-footer p{margin:0}.center-footer a{white-space:nowrap}
@media(min-width:1500px){.center-main{padding:0 0}}@media(max-width:1180px){.center-header{padding:18px 28px;gap:22px}.center-header nav{gap:15px}.center-brand{font-size:15px}.center-brand small{font-size:7px}.center-main{padding:0 28px}.center-hero{gap:38px}.center-workspace{gap:25px;grid-template-columns:205px minmax(0,1fr)}.center-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.center-footer{margin:0 28px}}@media(max-width:880px){.center-header{flex-wrap:wrap;gap:16px}.center-header nav{order:3;flex-basis:100%;justify-content:flex-start}.center-account{margin-left:auto}.center-hero{gap:25px;grid-template-columns:1.2fr 1fr;padding:42px 0}.center-hero h1{font-size:32px;letter-spacing:-1px}.center-hero p{font-size:13px}.center-shortcuts{padding:20px}.center-workspace{display:block;padding-top:24px}.center-sidebar{padding-top:0}.center-sidebar nav{flex-direction:row;overflow-x:auto;padding-bottom:10px;gap:8px}.center-sidebar button{white-space:nowrap;border-color:var(--c-line);padding:9px 11px}.center-sidebar-rule,.center-sidebar-note,.center-sidebar> .center-eyebrow{display:none}.center-search-row{margin-top:12px}.center-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.center-card{padding:15px}.center-footer{flex-wrap:wrap}}@media(max-width:650px){.center-main{padding:0 18px}.center-header{padding:16px 18px;gap:16px}.center-brand{font-size:14px;gap:9px;letter-spacing:2px}.center-brand-mark{height:38px;width:38px;font-size:26px}.center-brand small{font-size:6px;letter-spacing:.7px}.center-account{font-size:10px;padding:8px;gap:6px}.center-header nav{gap:22px;font-size:11px}.center-hero{grid-template-columns:1fr;padding:35px 0 28px;gap:28px}.center-hero h1{font-size:33px;letter-spacing:-1.1px}.center-hero-copy p{font-size:13px}.center-shortcuts{padding:20px}.center-shortcut{padding:11px 0}.center-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.center-card{padding:13px}.center-card-category{font-size:8px;letter-spacing:.2px}.center-card h3{font-size:14px;margin-top:10px}.center-card p{font-size:11px}.center-search input{font-size:12px}.center-search-row{flex-wrap:wrap}.center-clear{width:100%}.center-result-row>span{display:none}.center-owner-note{align-items:flex-start;flex-direction:column;gap:12px}.center-group-summary strong{font-size:17px}.center-footer{margin:0 18px;gap:12px}.center-footer p{order:3;flex-basis:100%}.center-footer a{margin-left:auto}}@media(max-width:370px){.center-cards{grid-template-columns:1fr}.center-header nav{gap:14px}.center-hero h1{font-size:29px}.center-account{width:100%;justify-content:space-between}.center-header nav{order:0}}@media(prefers-reduced-motion:reduce){.center-card{transition:none}}

/* NEBULA 1 */
.sigma-center{background:radial-gradient(ellipse at 78% 7%,#2238664d,transparent 30%),radial-gradient(ellipse at 4% 28%,#124a5540,transparent 34%),#080f1c;color:#e4eef8;font-family:Inter,ui-sans-serif,system-ui,sans-serif}.center-header{border-color:#99bdea24}.center-brand-mark{background:linear-gradient(135deg,#a7f7f321,#8b83ff0e);box-shadow:0 0 30px #7ed2ec15;transform:rotate(-5deg)}.center-hero{padding:65px 25px 50px;gap:65px}.center-hero h1{font-size:clamp(40px,4.1vw,65px);font-weight:550;letter-spacing:-.055em;line-height:1.12}.center-hero h1 span{background:linear-gradient(100deg,#b2f6e5,#92c4ff,#b3a2ed);background-clip:text;color:transparent}.center-hero-copy>p{font-size:16px;line-height:1.9}.center-shortcuts{background:linear-gradient(130deg,#b6dafb12,#5384a90b);border:1px solid #afd2f53d;box-shadow:inset 0 1px #effaff17,0 25px 70px #0003;transform:perspective(1000px) rotateY(-4deg);border-radius:22px}.center-card{background:linear-gradient(125deg,#c4e8ff0d,#29466b16);border-color:#98c3ef2e;border-radius:18px;box-shadow:inset 0 1px #ecfaff0b;transition:transform .22s,border-color .22s,box-shadow .22s}.center-card:hover{transform:translateY(-4px);border-color:#9acbff68;box-shadow:0 15px 35px #0003}.center-card h3{font-size:19px}.center-card p{font-size:13px;line-height:1.8;color:#a9bdd1}.center-card-open{color:#9ee9e7}.center-sidebar-note,.center-search{background:#8bb7ed09;border-color:#9bbde338}.center-architecture{margin:10px 25px 55px}.center-architecture h2{font-size:26px;font-weight:500}.center-architecture a{color:#a0dfe8;font-size:12px;text-decoration:none}.center-jump{border-color:#8eddde66;background:linear-gradient(100deg,#80e0d529,#899be625)}.center-header nav a{font-size:12px}.center-section-heading{gap:20px}@media(max-width:800px){.center-hero{padding:30px 0;gap:25px}.center-architecture{margin:10px 0 35px}.center-shortcuts{transform:none}.center-architecture .center-section-heading{align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){.center-card{transition:none}.center-card:hover{transform:none}}