@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/unbounded-cyrillic-ext-wght-normal.3mbm-jgk33j9h.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/unbounded-cyrillic-wght-normal.4410a-by3wkmp.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/unbounded-vietnamese-wght-normal.2vkv9zvo-i28x.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/unbounded-latin-ext-wght-normal.2rc2qo3fyex9c.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Unbounded Variable;font-style:normal;font-display:swap;font-weight:200 900;src:url(../media/unbounded-latin-wght-normal.1tz5lbfnvawi1.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-cyrillic-ext-wght-normal.0w5-20wrij2y1.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-cyrillic-wght-normal.1fjuga16p-_i_.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-greek-wght-normal.1bpl7wsc6313m.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-vietnamese-wght-normal.3t024er0ypawq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-latin-ext-wght-normal.3t_7mbg42824f.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(../media/ibm-plex-sans-latin-wght-normal.15jby9eboz7vb.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(../media/ibm-plex-mono-cyrillic-400-normal.0m1ahpdxrpokj.woff2)format("woff2"),url(../media/ibm-plex-mono-cyrillic-400-normal.2-z93d2j9-3s0.woff)format("woff")}
@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(../media/ibm-plex-mono-cyrillic-500-normal.26ox_itp_alxp.woff2)format("woff2"),url(../media/ibm-plex-mono-cyrillic-500-normal.1eaan1mch682e.woff)format("woff")}
@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(../media/ibm-plex-mono-latin-400-normal.3xdfs0-p_zi4c.woff2)format("woff2"),url(../media/ibm-plex-mono-latin-400-normal.2lhng2ntocry9.woff)format("woff")}
@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(../media/ibm-plex-mono-latin-500-normal.11q3guvgd1r20.woff2)format("woff2"),url(../media/ibm-plex-mono-latin-500-normal.1fgk-kmy-32_a.woff)format("woff")}
:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f2f5f9;--surface:#fff;--surface-2:#e8edf4;--ink:#0c1627;--muted:#546178;--line:#d6dde8;--line-strong:#aeb9ca;--accent:#1d4ed8;--accent-strong:#1e3fae;--accent-soft:#e2eafd;--on-accent:#fff;--signal:#e8590c;--ok:#137537;--ok-soft:#dcf3e4;--warn:#a84b08;--warn-soft:#fbecd2;--bad:#bd2525;--bad-soft:#fbe0e0;--grid:#0c162712;--shadow:0 1px 2px #0c16270f, 0 8px 24px #0c16270f;--c-entry:#1d4ed8;--c-network:#0e7490;--c-compute:#4f46e5;--c-storage:#b45309;--c-async:#15803d;--c-interface:#be185d;--c-ops:#0f766e;--font-display:"Unbounded Variable", "Unbounded", "IBM Plex Sans", system-ui, sans-serif;--font-body:"IBM Plex Sans Variable", "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--radius:12px;--radius-sm:8px;--fg:var(--ink);--card:var(--surface);--border:var(--line)}:root[data-theme=dark]{--bg:#090f19;--surface:#111a29;--surface-2:#172335;--ink:#e7edf7;--muted:#94a2b8;--line:#22314a;--line-strong:#364d70;--accent:#7c9cff;--accent-strong:#a6bbff;--accent-soft:#16264d;--on-accent:#08101d;--signal:#ff8a3d;--ok:#4ade80;--ok-soft:#12301f;--warn:#fbbf24;--warn-soft:#33270c;--bad:#ff7b7b;--bad-soft:#3a1818;--grid:#e7edf712;--shadow:0 1px 2px #0006, 0 8px 24px #00000059;--c-entry:#7c9cff;--c-network:#5eead4;--c-compute:#a5b4fc;--c-storage:#fbbf24;--c-async:#4ade80;--c-interface:#f9a8d4;--c-ops:#5eead4;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}html,body{background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}a{color:var(--accent)}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}.muted{color:var(--muted)}.small{font-size:.85rem}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site{flex-direction:column;min-height:100dvh;display:flex}.site:has(.sd-app){height:var(--editor-height,100dvh);min-height:0;overflow:hidden}body:has(.sd-app){overscroll-behavior:none;overflow:hidden}.site-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.site-main>main{flex:1}.site-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 24px;padding:0;font-size:.85rem;display:flex}.site-footer a{color:var(--muted);text-underline-offset:3px}.site-footer a:hover{color:var(--accent)}.site:has(.sd-app) .site-footer{font-size:.8rem}.wrap{width:100%;max-width:1120px;margin-inline:auto;padding-inline:24px}.logo{color:var(--ink);font-family:var(--font-display);align-items:center;gap:10px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.logo-bg{fill:var(--accent)}.logo-line{stroke:var(--on-accent)}.logo-dot{fill:var(--on-accent)}.logo-dot.hot{fill:var(--signal)}.site-header{z-index:20;border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0}.site-header-inner{align-items:center;gap:24px;min-height:60px;display:flex}.site-header nav{gap:4px;display:flex}.site-header nav a{color:var(--muted);border-radius:8px;padding:6px 12px;font-size:.92rem;text-decoration:none}.site-header nav a:hover{background:var(--surface-2);color:var(--ink)}.theme-toggle{white-space:nowrap;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);min-width:104px;height:44px;color:var(--muted);font:inherit;cursor:pointer;flex:none;justify-content:center;align-items:center;gap:8px;padding:0 12px;font-size:.85rem;display:inline-flex}.theme-toggle:hover{border-color:var(--line-strong);color:var(--ink)}@media (max-width:720px){.site-header nav{display:none}.theme-toggle{margin-left:auto}}.btn{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-weight:500;text-decoration:none;transition:transform .12s,border-color .12s,background .12s;display:inline-flex}.btn:hover{border-color:var(--accent)}.btn.primary{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}.btn.primary:hover{background:var(--accent-strong);transform:translateY(-1px)}.btn.ghost{background:0 0}.badge{background:var(--surface-2);color:var(--muted);letter-spacing:.02em;white-space:nowrap;border-radius:999px;align-items:center;padding:2px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge.easy{background:var(--ok-soft);color:var(--ok)}.badge.medium{background:var(--warn-soft);color:var(--warn)}.badge.hard{background:var(--bad-soft);color:var(--bad)}.hero{border-bottom:1px solid var(--line);background-image:linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);background-size:32px 32px;position:relative;overflow:hidden}.hero:after{content:"";background:radial-gradient(ellipse at 30% 40%, transparent 0, var(--bg) 85%);pointer-events:none;position:absolute;inset:0}.hero-grid{z-index:1;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:center;gap:48px;padding-block:72px 80px;display:grid;position:relative}.hero h1{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 20px;font-size:clamp(2rem,4.4vw,3.3rem);font-weight:700;line-height:1.1}.lead{max-width:34em;color:var(--muted);margin:0 0 28px;font-size:1.125rem}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-stats{flex-wrap:wrap;gap:12px 40px;margin:40px 0 0;display:flex}.hero-stats div{flex-direction:column-reverse;display:flex}.hero-stats dt{color:var(--muted);font-size:.85rem}.hero-stats dd{font-family:var(--font-mono);font-variant-numeric:tabular-nums;margin:0;font-size:1.8rem;font-weight:500}.hero-visual{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 92%, transparent);min-width:0;box-shadow:var(--shadow);border-radius:18px;padding:16px}.hero-diagram{width:100%;height:auto;display:block}.hd-node{fill:var(--surface);stroke:var(--line-strong);stroke-width:1.5px}.hd-node.hot{fill:var(--bad-soft);stroke:var(--signal)}.hd-title{fill:var(--ink);font-family:var(--font-body);font-size:12.5px;font-weight:600}.hd-num{fill:var(--muted);font-family:var(--font-mono);font-size:11px}.hd-track{fill:var(--surface-2)}.hd-fill{fill:var(--accent)}.hd-fill.hot{fill:var(--signal)}.hd-links path{stroke:var(--line-strong);stroke-width:1.5px}.hd-flow path{stroke:var(--accent);stroke-width:2px;stroke-linecap:round;stroke-dasharray:2 14;animation:1.2s linear 3 flow}.hd-flow path.hot{stroke:var(--signal)}.hd-tag{fill:var(--warn-soft)}.hd-tag-text{fill:var(--warn);font-family:var(--font-body);font-size:11px;font-weight:600}@keyframes flow{to{stroke-dashoffset:-16px}}@media (prefers-reduced-motion:reduce){.hd-flow path{animation:none}html{scroll-behavior:auto}}.section{padding-block:80px}.section.alt{border-block:1px solid var(--line);background:var(--surface)}.section h2{font-family:var(--font-display);letter-spacing:-.015em;margin:0 0 32px;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:600}.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:0;padding:0;list-style:none;display:grid}.steps li{border-top:2px solid var(--ink);padding-top:20px}.step-num{color:var(--accent);font-family:var(--font-mono);margin-bottom:16px;font-size:1.1rem;font-weight:500;display:block}.steps h3{margin:0 0 8px;font-size:1.15rem}.steps p{color:var(--muted);margin:0}.level-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.level-card{border:1px solid var(--line);background:var(--bg);min-width:0;color:var(--ink);border-radius:16px;flex-direction:column;gap:8px;padding:24px;text-decoration:none;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex;position:relative}a.level-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.level-card h3{font-family:var(--font-display);margin:8px 0 0;font-size:1.15rem;font-weight:600}.level-card p{color:var(--muted);margin:0}.level-card-top{justify-content:space-between;align-items:center;gap:8px;min-height:24px;display:flex}.level-status{color:var(--muted);font-size:.8rem}.level-status.done{color:var(--ok);font-weight:600}.level-meta{border-top:1px dashed var(--line-strong);gap:32px;margin:12px 0 4px;padding-top:14px;display:flex}.level-meta div{flex-direction:column-reverse;display:flex}.level-meta dt{color:var(--muted);font-size:.8rem}.level-meta dd{font-family:var(--font-mono);font-variant-numeric:tabular-nums;margin:0;font-size:1.05rem}.level-cta{color:var(--accent);align-items:center;gap:6px;margin-top:auto;padding-top:12px;font-weight:600;display:inline-flex}.level-attempts{color:var(--muted);font-size:.8rem}.level-card.soon{opacity:.75;background:0 0;border-style:dashed}.faq-layout{grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:48px;display:grid}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{cursor:pointer;padding:18px 40px 18px 0;font-weight:600;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--accent);font-family:var(--font-mono);font-size:1.4rem;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.faq-list details[open] summary:after{content:"−"}.faq-list p{max-width:38em;color:var(--muted);margin:0 0 20px}@media (max-width:860px){.hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:48px 56px}.steps{grid-template-columns:minmax(0,1fr)}.faq-layout{grid-template-columns:minmax(0,1fr);gap:8px}.section{padding-block:56px}}.prose{max-width:760px;padding-block:48px 72px}.prose>a:first-child{margin-block:-8px;padding-block:8px;display:inline-block}.prose h1{overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;font-family:var(--font-display);margin:24px 0 8px;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:600}.terms{counter-reset:term;gap:8px;margin:32px 0 0;padding:0;list-style:none;display:grid}.terms li{counter-increment:term;border-top:1px solid var(--line);padding:16px 0}.terms h2{margin:0 0 4px;font-size:1rem;font-weight:600}.terms h2:before{content:counter(term) ". ";color:var(--accent);font-family:var(--font-mono)}.terms p{color:var(--muted);margin:0}.sd-app{flex-direction:column;flex:1;min-height:0;display:flex}.sd-header{border-bottom:1px solid var(--line);background:var(--surface);align-items:center;gap:14px;padding:10px 16px;display:flex}.sd-home{display:inline-flex}.sd-crumbs{flex-direction:column;min-width:0;display:flex}.sd-crumbs a{color:var(--muted);margin-block:-4px;padding-block:4px;font-size:.75rem;text-decoration:none}.sd-crumbs a:hover{color:var(--accent)}.sd-header h1{font-family:var(--font-display);margin:0;font-size:1rem;font-weight:600;line-height:1.2}.sd-toolbar{flex-wrap:wrap;gap:8px;margin-left:auto;display:flex}.sd-btn{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font:inherit;cursor:pointer;align-items:center;gap:8px;padding:7px 14px;font-size:.9rem;transition:border-color .12s,background .12s;display:inline-flex}.sd-btn:hover:not(:disabled){border-color:var(--accent)}.sd-btn:disabled{opacity:.4;cursor:default}.sd-btn.primary{border-color:var(--accent);background:var(--accent);color:var(--on-accent);font-weight:600}.sd-btn.primary:hover:not(:disabled){background:var(--accent-strong)}.sd-btn.danger{color:var(--bad);margin-top:20px}.sd-btn.small{padding:3px 10px;font-size:.85rem}.sd-link{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.sd-banners{border-bottom:1px solid var(--line);background:var(--warn-soft);color:var(--ink);padding:8px 16px;font-size:.9rem}.sd-banners p,.sd-banners ul{margin:2px 0}.sd-main{flex:1;grid-template-columns:220px minmax(0,1fr) 480px;min-height:0;display:grid}.sd-palette,.sd-side{background:var(--surface);overflow-y:auto}.sd-palette{border-right:1px solid var(--line);padding:16px 12px}.sd-palette h2{font-family:var(--font-display);margin:0 0 2px;font-size:.95rem;font-weight:600}.sd-palette h3{color:var(--muted);font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin:18px 0 8px;font-size:.7rem;font-weight:500}.sd-palette-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);width:100%;color:var(--ink);font:inherit;text-align:left;cursor:grab;align-items:center;gap:10px;margin-bottom:6px;padding:7px 10px;font-size:.9rem;transition:border-color .12s,transform .12s;display:flex}.sd-palette-item:hover{border-color:var(--accent);transform:translate(2px)}.sd-palette-icon,.sd-node-icon{width:28px;height:28px;color:var(--tint,var(--accent));background:color-mix(in srgb, var(--tint,var(--accent)) 14%, var(--surface));border-radius:7px;flex:none;justify-content:center;align-items:center;display:inline-flex}[data-category=entry]{--tint:var(--c-entry)}[data-category=network]{--tint:var(--c-network)}[data-category=compute]{--tint:var(--c-compute)}[data-category=interface]{--tint:var(--c-interface)}[data-category=ops]{--tint:var(--c-ops)}[data-category=storage]{--tint:var(--c-storage)}[data-category=async]{--tint:var(--c-async)}.sd-canvas{min-width:0;height:100%;position:relative}.sd-canvas .react-flow{--xy-background-color:var(--bg);--xy-background-pattern-dots-color-default:var(--line-strong);--xy-edge-stroke-default:var(--ink);--xy-edge-stroke-width-default:2.5;--xy-edge-stroke-selected-default:var(--accent);--xy-controls-button-background-color-default:var(--surface);--xy-controls-button-color-default:var(--ink);--xy-controls-button-border-color-default:var(--line)}.hud{z-index:5;pointer-events:none;flex-wrap:wrap;gap:8px;max-width:calc(100% - 24px);display:flex;position:absolute;top:12px;left:12px}.hud-chip{border:1px solid var(--line);background:color-mix(in srgb, var(--surface) 94%, transparent);min-width:78px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:10px;flex-direction:column;padding:6px 12px;display:flex}.hud-chip span{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:.7rem}.hud-chip strong{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:.95rem;font-weight:500}.hud-chip.ok strong{color:var(--ok)}.hud-chip.warn strong{color:var(--warn)}.hud-chip.bad strong{color:var(--bad)}.sd-side{border-left:1px solid var(--line);flex-direction:column;display:flex}.sd-tabs{border-bottom:1px solid var(--line);padding:0 8px;display:flex}.sd-tabs button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;flex:1;padding:12px 6px;font-size:.9rem}.sd-tabs button:hover{color:var(--ink)}.sd-tabs button.active{border-bottom-color:var(--accent);color:var(--ink);font-weight:600}.sd-panel{flex:1;padding:16px;overflow-y:auto}.sd-panel h2{font-family:var(--font-display);margin:0 0 4px;font-size:1rem;font-weight:600}.sd-node{border:1.5px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);min-width:150px;max-width:230px;color:var(--ink);box-shadow:var(--shadow);padding:10px 12px}.sd-node.selected{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent)}.sd-node.warm{border-color:var(--warn)}.sd-node.hot{border-color:var(--signal);background:color-mix(in srgb, var(--signal) 12%, var(--surface))}.sd-node-head{align-items:center;gap:10px;display:flex}.sd-node-text{min-width:0}.sd-node-title{font-size:.9rem;font-weight:600;line-height:1.2}.sd-node-sub{color:var(--muted);font-size:.72rem;line-height:1.3}.sd-node-load{font-family:var(--font-mono);font-variant-numeric:tabular-nums;align-items:center;gap:8px;margin-top:8px;font-size:.72rem;display:flex}.sd-meter{background:var(--surface-2);border-radius:3px;flex:1;height:6px;overflow:hidden}.sd-meter>span{background:var(--accent);border-radius:3px;height:100%;display:block}.sd-node.warm .sd-meter>span{background:var(--warn)}.sd-node.hot .sd-meter>span{background:var(--signal)}.react-flow__edge.sd-edge-warn path.react-flow__edge-path{stroke:var(--warn);stroke-dasharray:8 5}.sd-canvas .react-flow__handle{border:2px solid var(--surface);background:var(--accent);width:16px;height:16px}.sd-field{margin-top:16px}.sd-field label{margin-bottom:4px;font-size:.85rem;font-weight:600;display:block}.sd-field .sd-check{align-items:center;gap:8px;display:flex}.sd-field select,.sd-field input[type=number],.sd-connect-row select{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--bg);width:100%;color:var(--ink);font:inherit;padding:7px 10px}.sd-field input[type=checkbox]{accent-color:var(--accent)}.sd-tradeoff{flex-direction:column;gap:2px;margin:8px 0 0;font-size:.8rem;display:flex}.sd-tradeoff .pro{color:var(--ok)}.sd-tradeoff .con{color:var(--bad)}.sd-connections h3{margin:24px 0 8px;font-size:.85rem}.sd-advanced{border-block:1px solid var(--line);margin-top:20px;padding-block:4px}.sd-advanced summary{cursor:pointer;min-height:44px;padding-block:10px;font-weight:500}.sd-connect-row{gap:6px;display:flex}.sd-connect-row select{flex:1;min-width:0}.sd-story{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);margin-bottom:12px;padding:10px 12px}.sd-story summary{cursor:pointer;font-weight:600}.sd-story p{margin:8px 0 0;font-size:.9rem}.sd-reqs,.sd-list{margin:0;padding:0;list-style:none}.sd-req{border-bottom:1px solid var(--line)}.sd-req-head{width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;gap:10px;padding:12px 0;font-size:.92rem;display:flex}.sd-req-body{padding:0 0 12px 28px}.sd-req-body p{margin:4px 0;font-size:.9rem}.sd-hint{border-radius:var(--radius-sm);background:var(--accent-soft);padding:8px 10px}.fix{color:var(--warn)}.sd-status{background:var(--surface-2);width:20px;height:20px;color:var(--muted);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:.75rem;font-weight:700;display:inline-flex}.sd-status.met{background:var(--ok-soft);color:var(--ok)}.sd-status.partial{background:var(--warn-soft);color:var(--warn)}.sd-status.unmet{background:var(--bad-soft);color:var(--bad)}.sd-score{align-items:center;gap:20px;display:flex}.sd-ring{flex:none;width:96px;height:96px;position:relative}.sd-ring svg{width:100%;height:100%}.sd-ring circle{fill:none;stroke-width:7px}.sd-ring .track{stroke:var(--surface-2)}.sd-ring .value{stroke:var(--accent);stroke-linecap:round}.sd-ring.ok .value{stroke:var(--ok)}.sd-ring.warn .value{stroke:var(--warn)}.sd-ring.bad .value{stroke:var(--bad)}.sd-ring span{font-family:var(--font-display);justify-content:center;align-items:center;font-size:1.7rem;font-weight:600;display:flex;position:absolute;inset:0}.sd-score-bars{flex:180px;min-width:0}.sd-bar-row{grid-template-columns:minmax(0,1fr) 28px;align-items:center;gap:2px 8px;margin-bottom:8px;font-size:.8rem;display:grid}.sd-bar-row span:last-child{font-family:var(--font-mono);text-align:right}.sd-bar-row>span:first-child{grid-column:1/-1}.sd-report h3{font-family:var(--font-display);margin:24px 0 8px;font-size:.9rem;font-weight:600}.sd-list li{margin-bottom:12px;font-size:.9rem}.sd-table{border-collapse:collapse;width:100%;font-size:.85rem}.sd-table th{color:var(--muted);text-align:left;padding:5px 0;font-weight:400}.sd-table td{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right;padding:5px 0}.sd-table tr+tr{border-top:1px solid var(--line)}.sd-alert{border-radius:var(--radius-sm);background:var(--bad-soft);color:var(--bad);padding:10px 12px;font-size:.9rem}.react-flow__attribution{background:color-mix(in srgb, var(--surface) 85%, transparent);font-size:.65rem}.react-flow__attribution a{color:var(--muted)}.canvas-empty{z-index:4;color:var(--muted);text-align:center;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:24px;display:flex;position:absolute;inset:0}.canvas-empty strong{color:var(--ink);font-family:var(--font-display);font-size:1.1rem;font-weight:600}.canvas-empty span{max-width:28em}.react-flow__edge.selected path.react-flow__edge-path,.react-flow__edge:focus path.react-flow__edge-path{stroke:var(--accent);stroke-width:3px}.react-flow__edge:not(.selected) .react-flow__edgeupdater{display:none}.react-flow__edgeupdater{fill:var(--surface);stroke:var(--accent);stroke-width:2.5px}.sd-menu{z-index:50;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);width:220px;max-width:calc(100vw - 16px);box-shadow:var(--shadow);padding:4px;position:fixed}.sd-menu button{width:100%;min-height:44px;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:8px 12px;display:block}.sd-menu button:hover{background:var(--surface-2)}.sd-menu button.danger{color:var(--bad)}.sd-help{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);margin-top:10px;padding:8px 10px;font-size:.8rem}.sd-help summary{cursor:pointer;font-weight:600}.sd-help ul{color:var(--muted);margin:8px 0 0;padding-left:16px}.sd-help li{margin-bottom:4px}.sd-kind{color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin:0 0 2px;font-size:.7rem}.sd-node-kind{color:var(--muted);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;font-size:.62rem}.sd-node-duties{flex-wrap:wrap;gap:4px;margin-top:8px;display:flex}.sd-node-duties span{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:1px 8px;font-size:.68rem;font-weight:600}.sd-node-idle{background:var(--warn-soft);color:var(--warn);border-radius:6px;margin-top:8px;padding:2px 8px;font-size:.7rem;font-weight:600}.sd-tech,.sd-duties{border:0;margin:16px 0 0;padding:0}.sd-tech legend,.sd-duties legend{padding:0;font-size:.85rem;font-weight:600}.sd-tech-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:6px;margin-top:8px;display:grid}.sd-tech-card{border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink);font:inherit;text-align:left;cursor:pointer;padding:9px 10px;font-size:.85rem;font-weight:500;transition:border-color .12s,background .12s}.sd-tech-card:hover{border-color:var(--accent)}.sd-tech-card.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong);font-weight:600}.sd-tech-summary{margin:10px 0 0;font-size:.88rem}.sd-chips{gap:6px;margin-top:8px;display:grid}.sd-chip{border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink);font:inherit;text-align:left;cursor:pointer;align-items:flex-start;gap:10px;padding:8px 10px;font-size:.88rem;font-weight:600;transition:border-color .12s,background .12s;display:flex}.sd-chip small{color:var(--muted);font-size:.75rem;font-weight:400;display:block}.sd-chip:hover{border-color:var(--accent)}.sd-chip.on{border-color:var(--accent);background:var(--accent-soft)}.sd-chip-mark{background:var(--surface-2);width:20px;height:20px;color:var(--muted);border-radius:6px;flex:none;justify-content:center;align-items:center;font-size:.8rem;display:inline-flex}.sd-chip.on .sd-chip-mark{background:var(--accent);color:var(--on-accent)}.sd-warn{border-radius:var(--radius-sm);background:var(--warn-soft);color:var(--warn);margin:8px 0 0;padding:6px 10px;font-size:.82rem}.sd-segmented{border:1px solid var(--line-strong);border-radius:var(--radius-sm);display:flex;overflow:hidden}.sd-segmented button{border:0;border-right:1px solid var(--line);background:var(--bg);color:var(--muted);font:inherit;cursor:pointer;flex:1;padding:7px 8px;font-size:.82rem}.sd-segmented button:last-child{border-right:0}.sd-segmented button.active{background:var(--accent);color:var(--on-accent);font-weight:600}.site-header-inner{min-width:0}.site-header-actions{flex:none;margin-left:auto;display:flex}.site-header nav{margin-left:0}.logo{min-width:0;min-height:44px}.logo svg{flex:none}.site-footer-inner{justify-content:space-between;align-items:center;gap:16px 24px;padding-block:24px;display:flex}.site-footer nav{flex-wrap:wrap;gap:4px 24px;display:flex}.site-footer nav a{align-items:center;min-height:44px;display:inline-flex}.site:has(.sd-app) .site-footer-inner{padding-block:4px}.skip-link{z-index:100;background:var(--surface);border:2px solid var(--accent);border-radius:var(--radius-sm);padding:12px 18px;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary{touch-action:manipulation}input,select,textarea{accent-color:var(--accent);caret-color:var(--accent)}::selection{background:var(--accent-soft);color:var(--ink)}*{scrollbar-color:var(--line-strong) var(--bg)}.sd-toolbar{align-items:center;min-width:0}.sd-toolbar-secondary{align-items:center;gap:6px;display:flex}.sd-mobile-nav,.sd-actions-toggle,.sd-mobile-selection,.sd-touch-hint,.sd-palette-touch-hint{display:none}.sd-node-picker{gap:6px;margin-bottom:16px;font-size:.85rem;display:grid}.sd-node-picker select{width:100%;color:var(--ink);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;padding:10px}.sd-panel,.sd-palette,.sd-side{overscroll-behavior:contain;min-width:0}.sd-panel{overflow-wrap:anywhere}.sd-btn,.sd-tabs button,.sd-tech-card,.sd-segmented button,.sd-check,.sd-connect-row select{min-height:44px}.sd-connect-row,.sd-connect-row select{min-width:0}.sd-table{table-layout:fixed;font-variant-numeric:tabular-nums;width:100%}.sd-table td,.sd-table th{overflow-wrap:anywhere}.sd-segmented button{overflow-wrap:anywhere;min-width:0}.hero-stats{font-variant-numeric:tabular-nums}.link-label{min-width:6em;display:inline-block;position:relative}.link-pending{white-space:nowrap;position:absolute;inset:0}@media (min-width:1101px) and (max-width:1439px){.sd-header{gap:10px}.sd-header h1{white-space:nowrap}.sd-toolbar{gap:6px}.sd-toolbar .sd-btn{padding-inline:10px}.sd-toolbar>.theme-toggle{width:44px;min-width:44px;padding:0}.sd-toolbar>.theme-toggle [data-theme-label]{display:none}}@media (max-width:1279px){.sd-main{grid-template-columns:180px minmax(0,1fr) 440px}}@media (max-width:1239px){.sd-header{flex-wrap:wrap}.sd-toolbar{width:100%;margin-left:0}.sd-toolbar-secondary{flex:1;padding:3px;overflow-x:auto}.sd-toolbar-secondary .sd-btn{flex:none}}@media (max-width:1100px){.sd-mobile-nav{border-bottom:1px solid var(--line);background:var(--surface);flex:none;display:flex}.sd-mobile-nav button{min-height:48px;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;flex:1;padding:8px;font-size:.85rem}.sd-mobile-nav button[aria-pressed=true]{color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 -2px var(--accent)}.sd-main{display:flex;position:relative}.sd-canvas,.sd-side,.sd-palette{flex:1;width:100%;min-height:0}.sd-side{border-left:0;flex-direction:column;display:flex}.sd-panel{flex:1;overflow-y:auto}.sd-app[data-pane=canvas] .sd-side,.sd-app[data-pane=canvas] .sd-palette,.sd-app[data-pane=palette] .sd-side,.sd-app[data-pane=palette] .sd-canvas,.sd-app[data-pane=details] .sd-palette,.sd-app[data-pane=details] .sd-canvas{display:none}.sd-palette{border-right:0;padding:16px}.sd-palette-item{cursor:pointer;min-height:48px}.sd-panel select,.sd-panel input[type=number]{min-height:44px;font-size:16px}.site:has(.sd-app) .site-footer{display:none}.sd-app{min-height:0}}@media (max-width:720px){.wrap{padding-inline:16px}.site-header-inner{gap:8px}.logo{gap:7px;font-size:.75rem}.site-footer-inner{flex-direction:column;align-items:flex-start;gap:8px}.site-footer nav{gap:4px 16px}.hero-actions{flex-wrap:wrap}.sd-header{gap:8px;padding:8px}.sd-header h1{overflow-wrap:anywhere;font-size:.8rem}.sd-header>.badge{margin-left:auto}.sd-toolbar{gap:6px}.sd-toolbar .primary{padding-inline:10px;font-size:.8rem}.sd-toolbar-secondary{flex-basis:100%;order:2}.sd-toolbar>.theme-toggle{margin-left:0}.sd-toolbar>.primary{margin-left:auto}.sd-mobile-nav button{font-size:.78rem}.hud{flex-wrap:wrap;gap:4px;left:8px;right:8px}.hud-chip{padding:5px 8px}.hud-chip:nth-child(n+4){display:none}.sd-score{flex-wrap:wrap}.sd-score-bars{min-width:0}}@media (prefers-reduced-motion:reduce){.level-card,.btn,.sd-palette-item,.sd-chip,.sd-tech-card{transition:none}.sd-palette-item:hover,.level-card:hover,.btn:hover{transform:none}}.mobile-add{pointer-events:auto;display:none}.sd-canvas .react-flow__controls-button{width:44px;height:44px}@media (max-width:1100px){.mobile-add{margin-top:12px;display:inline-flex}}.sd-panel{padding:24px;font-size:15px;line-height:1.55}.sd-panel h2{margin-bottom:12px;font-family:inherit;font-size:21px;line-height:1.3}.sd-panel h3{margin-top:24px;font-family:inherit;font-size:18px;line-height:1.4}.sd-panel :is(.small,.sd-tech-summary,.sd-tech-card,.sd-chip,.sd-chip small,.sd-tradeoff,.sd-field label,.sd-tech legend,.sd-duties legend,.sd-segmented button,.sd-req-head,.sd-req-body p,.sd-story p,.sd-node-picker,select,input[type=number],.sd-btn,.sd-list){font-size:15px;line-height:1.55}.sd-panel :is(select,input[type=number],.sd-tech-card,.sd-segmented button){min-height:44px}.sd-panel .sd-field{margin-top:24px}.sd-panel .sd-field label{margin-bottom:8px}.sd-panel input[type=checkbox]{flex-shrink:0;width:18px;height:18px}.sd-setting-help{font-size:inherit;margin-top:10px}.sd-setting-help summary{cursor:pointer;color:var(--accent-strong);padding-block:6px}.sd-setting-help p{margin:8px 0}.sd-setting-help dl{margin:12px 0 0}.sd-setting-help dt{margin-top:12px;font-weight:600}.sd-setting-help dd{color:var(--muted);margin:4px 0 0}.sd-setting-help .sd-tradeoff{color:var(--ink);gap:0}.sd-node-price{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}.sd-owned-apis{border-block:1px solid var(--line);margin-top:20px;padding-bottom:12px}.sd-next-step{border-bottom:1px solid var(--line);margin-bottom:24px;padding-bottom:16px}.sd-next-step h2{margin-bottom:8px;font-size:18px}.sd-next-step p{margin:0}.sd-connection-message,.sd-edge-toolbar{background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;max-width:min(460px,100vw - 40px);padding:12px 16px;font-size:14px}.sd-connection-message button{margin-top:8px;display:block}.sd-edge-toolbar{align-items:center;gap:12px;display:flex}.react-flow__handle:after{content:"";border-radius:50%;position:absolute;inset:-8px}.react-flow__handle:hover{background:var(--accent-strong)}@media (max-width:1100px){.sd-panel{padding:20px}}.sd-owner-choice{align-items:center;gap:10px;min-height:44px;display:flex}.sd-owner-choice input{width:18px;height:18px;accent-color:var(--accent)}.sd-canvas .react-flow__edge-textwrapper{pointer-events:none}.theme-toggle svg{flex:none}.logo span{overflow-wrap:anywhere}@media (max-width:399px){.theme-toggle{min-width:80px;padding-inline:8px}.theme-toggle svg{display:none}}.sd-canvas{touch-action:none;overscroll-behavior:none}.sd-node,.sd-palette-item,.sd-mobile-nav,.sd-tabs,.sd-toolbar{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}@media (max-width:1100px){.sd-header{flex:none}.sd-toolbar{flex-wrap:nowrap;position:relative}.sd-actions-toggle{display:inline-flex}.sd-toolbar-secondary{z-index:20;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);width:min(340px,100%);max-height:50dvh;box-shadow:var(--shadow);padding:12px;display:none;position:absolute;top:calc(100% + 6px);left:0;overflow:auto}.sd-toolbar-secondary[data-open=true]{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.sd-toolbar-secondary .sd-btn{justify-content:center;margin:0;padding-inline:6px}.sd-toolbar>.theme-toggle{justify-content:center;width:44px;min-width:44px;height:44px;padding:0}.sd-toolbar>.theme-toggle svg{display:block}.sd-toolbar>.theme-toggle [data-theme-label]{display:none}.sd-toolbar>.primary{margin-left:auto}.sd-mobile-nav button{font-size:13px}.sd-main,.sd-side{overflow:hidden}.sd-tabs{flex:none}.sd-panel{min-height:0;padding:16px;scroll-padding-block:20px}.sd-panel,.sd-panel :is(.small,.sd-tech-summary,.sd-tech-card,.sd-chip,.sd-chip small,.sd-tradeoff,.sd-field label,.sd-tech legend,.sd-duties legend,.sd-segmented button,.sd-req-head,.sd-req-body p,.sd-story p,.sd-node-picker,select,input[type=number],.sd-btn,.sd-list){font-size:16px}.sd-panel :is(select,input){max-width:100%}.sd-palette-touch-hint{font-size:16px;display:block}.sd-palette-desktop-hint{display:none}.sd-touch-hint{pointer-events:none;color:var(--muted);margin:0;font-size:13px;line-height:1.4;display:block;position:absolute;top:10px;left:16px;right:16px}.sd-mobile-selection{z-index:5;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex;position:absolute;bottom:12px;left:12px;right:12px}.sd-mobile-selection>span{overflow-wrap:anywhere;min-width:0;font-size:15px;font-weight:600;line-height:1.3}.sd-mobile-selection small{color:var(--muted);font-size:12px;font-weight:400;display:block}.sd-mobile-selection button{flex:none}.sd-canvas:has(.sd-mobile-selection) .react-flow__controls{bottom:96px}.sd-edge-toolbar{flex-direction:column;align-items:stretch;gap:4px}.sd-canvas:has(.sd-edge-toolbar) .react-flow__controls{bottom:140px}.sd-canvas .react-flow__controls{flex-direction:row;margin:12px}.sd-canvas .react-flow__controls-button{border-bottom:0;border-right:1px solid var(--line)}.sd-canvas .react-flow__controls-button:last-child{border-right:0}}@media (max-height:500px) and (max-width:1100px) and (min-width:600px){.sd-header{flex-wrap:nowrap;gap:8px;padding:4px 8px}.sd-header>.badge{display:none}.sd-toolbar{flex:1;width:auto}.sd-crumbs{max-width:220px}.sd-header h1{font-size:13px}.sd-mobile-nav button{min-height:44px}.sd-mobile-selection{width:min(380px,100% - 180px);right:auto}.sd-canvas:has(.sd-mobile-selection) .react-flow__controls{bottom:12px;left:auto;right:0}}