:root{color-scheme:dark;--bg:#0c1119;--surface:#121b28;--text:#e1e8f2;--muted:#9aaac0;--line:#283447;--cyan:#64dce8;--coral:#ff8885;--code:#09101a;--shadow:0 24px 80px #0003}
#theme-toggle:checked~.site{color-scheme:light;--bg:#f3f5f8;--surface:#fff;--text:#202b3c;--muted:#56677d;--line:#d6dee8;--cyan:#087480;--coral:#ba353b;--code:#101a28;--shadow:0 18px 60px #20304a0b}
.site{min-height:100vh;background:var(--bg);color:var(--text)}.theme-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.theme{display:inline-flex;align-items:center;min-height:44px;cursor:pointer;user-select:none}.theme-light-label{display:none}#theme-toggle:checked~.site .theme-dark-label{display:none}#theme-toggle:checked~.site .theme-light-label{display:inline}#theme-toggle:focus-visible~.site .theme{outline:3px solid var(--cyan);outline-offset:5px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,Arial,sans-serif;line-height:1.8;font-size:18px}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--cyan)}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,pre:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}::selection{background:#56dce744}header{border-bottom:1px solid var(--line)}.topbar{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:20px 30px;gap:20px}.brand{font-size:14px;font-weight:800;letter-spacing:.14em;text-decoration:none;color:var(--text)}.brand b{color:var(--cyan)}.actions{display:flex;align-items:center;gap:20px}.issue{font-size:12px;color:var(--muted);letter-spacing:.1em}.theme{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:30px;padding:6px 15px;font-size:13px}.reading-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--coral));width:0;z-index:20}
.hero{max-width:1180px;margin:58px auto 0;padding:0 30px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}.hero h1{font-size:clamp(34px,4.3vw,60px);line-height:1.12;letter-spacing:-.035em;max-width:980px;margin:22px 0}.hero .subtitle{max-width:700px;color:var(--muted);font-size:18px;margin:0 0 25px}.meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px}.pill{border:1px solid var(--line);border-radius:20px;padding:3px 12px}.cover{margin:32px 0 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.cover img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:contain}
.layout{max-width:1180px;margin:54px auto 0;padding:0 30px;display:grid;grid-template-columns:228px minmax(0,1fr);gap:54px;align-items:start}.sidebar{position:sticky;top:30px;max-height:calc(100vh - 60px);overflow:auto;scrollbar-width:thin}.sidebar summary{font-size:12px;font-weight:800;letter-spacing:.13em;color:var(--muted);list-style:none;margin-bottom:18px;cursor:pointer}.sidebar nav{display:grid;border-left:1px solid var(--line)}.sidebar a{font-size:13px;line-height:1.55;padding:8px 13px;text-decoration:none;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}.sidebar a:hover,.sidebar a.active{color:var(--cyan);border-left-color:var(--cyan);background:#64dce807}.article{min-width:0;max-width:800px}.opening{padding:26px 28px;border:1px solid var(--line);border-top:3px solid var(--cyan);background:var(--surface);border-radius:0 0 14px 14px}.opening>.eyebrow{margin-bottom:22px}.article p{margin:17px 0}.article strong{font-weight:700;color:var(--text)}.article-section{padding:46px 0 20px;border-bottom:1px solid var(--line)}.article-section:last-child{border:0}.section-heading{display:flex;gap:16px;align-items:baseline;margin-bottom:24px}.section-index{font-family:Consolas,monospace;font-size:13px;color:var(--cyan)}h2{font-size:29px;line-height:1.3;letter-spacing:-.02em;margin:0}h3{font-size:21px;margin:32px 0 12px}.risk .section-index{color:var(--coral)}.solution .section-heading{border-left:3px solid var(--cyan);padding-left:17px}.article ul{padding-left:25px}.article li{padding-left:5px;margin:7px 0}.article li::marker{color:var(--cyan)}.article p code,.article li code,blockquote code{background:#64dce80c;color:var(--cyan);border:1px solid var(--line);padding:2px 6px;border-radius:5px;font-family:Consolas,monospace;font-size:.88em;overflow-wrap:anywhere}blockquote{display:flex;gap:16px;background:var(--surface);border-left:3px solid var(--cyan);border-radius:0 9px 9px 0;padding:18px 22px;margin:25px 0}.quote-mark{color:var(--cyan);font-size:24px}.risk blockquote{border-color:var(--coral)}
.code-block{border:1px solid var(--line);border-radius:12px;margin:23px 0;overflow:hidden;background:var(--code);color:#dbe6f4}.code-toolbar{display:flex;align-items:center;justify-content:space-between;background:#ffffff04;padding:9px 16px;border-bottom:1px solid #273348;font-family:Consolas,monospace;font-size:11px;letter-spacing:.1em;color:#9daec5}.copy{border:1px solid #334359;border-radius:6px;background:#ffffff05;color:#c8d7e9;padding:4px 10px;font-size:12px;letter-spacing:normal}.copy:hover{border-color:#64dce8;color:#64dce8}.code-block pre{padding:20px;margin:0;overflow-x:auto;line-height:1.65;font-size:14px;tab-size:4}.code-block code{font-family:Consolas,Courier New,monospace}.str{color:#9dddb6}.num{color:#ffb091}.kw{color:#70dce8}.end-note{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:28px 0;margin-top:34px;color:var(--muted);font-size:13px}.end-note a{text-decoration:none}.status{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:10px 20px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:10px;font-size:14px;z-index:30}.status:empty{display:none}
@media(max-width:900px){.layout{grid-template-columns:1fr;gap:30px}.sidebar{position:static;max-height:none;border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--surface)}.sidebar summary{margin:0}.sidebar nav{margin-top:16px;max-height:320px;overflow:auto}.sidebar summary::after{content:' ↕';float:right}.hero{margin-top:35px}}
@media(max-width:560px){body{font-size:17px}.topbar{padding:16px 20px}.actions{gap:10px}.issue{display:none}.hero,.layout{padding:0 20px}.hero h1{font-size:35px}.hero .subtitle{font-size:16px}.hero{margin-top:30px}.cover{border-radius:10px;margin-top:24px}.layout{margin-top:28px}.opening{padding:20px 18px}h2{font-size:25px}.section-heading{gap:12px}.article-section{padding-top:34px}.code-block pre{padding:16px;font-size:13px}.meta{gap:8px}.end-note{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{html{color-scheme:light}body{background:white;color:black;font-size:12pt}.topbar,.sidebar,.reading-progress,.copy,.status,.end-note{display:none}.hero,.layout{display:block;margin:20px auto;padding:0;max-width:100%}.hero h1{font-size:28pt}.hero .subtitle,.meta{color:#444}.cover{max-width:650px;box-shadow:none}.article{max-width:100%}.opening,blockquote{background:#f7f7f7;color:black;border-color:#aaa}.article strong{color:black}.article-section{border-color:#ccc}.code-block{break-inside:avoid}.section-heading{break-after:avoid}.eyebrow,.section-index{color:#333}}

/* Magazine edition: all styles and assets stay inside this document. */
.site{background:radial-gradient(ellipse at 85% 0%,#45c9dc08,transparent 36%),var(--bg)}
.topbar{max-width:1240px;padding-top:23px;padding-bottom:23px}.brand{letter-spacing:.19em}.edition-note{font-size:10px;letter-spacing:.18em;color:var(--muted);margin-left:20px}.masthead{display:flex;align-items:center;gap:16px}.masthead::before{content:'';width:5px;height:30px;background:linear-gradient(var(--cyan),var(--coral));border-radius:3px}
.hero{position:relative;isolation:isolate;margin-top:64px}.hero::before{content:'';position:absolute;inset:-40px -20px auto;height:490px;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:42px 42px;opacity:.28;mask-image:linear-gradient(to bottom,#000,transparent);-webkit-mask-image:linear-gradient(to bottom,#000,transparent)}
.hero>.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:Consolas,monospace;font-size:11px;letter-spacing:.12em}.hero>.eyebrow::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px #64dce860}
.hero-intro{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;padding:22px 0 28px;margin-bottom:25px}.hero-intro::after{content:'';position:absolute;left:0;bottom:0;width:110px;height:3px;background:linear-gradient(90deg,var(--cyan),var(--coral));border-radius:3px}.hero h1{margin:0;font-size:clamp(36px,4.8vw,65px);line-height:1.08;letter-spacing:-.045em}.hero h1 .headline-topic{display:block;font-size:clamp(62px,8vw,106px);line-height:1;margin-bottom:14px;color:var(--cyan);letter-spacing:-.055em}.headline-text{display:block;max-width:760px}.issue-number{display:flex;flex-direction:column;align-items:flex-end;align-self:start;padding-top:5px}.issue-number b{font-family:Segoe UI,Arial,sans-serif;font-size:clamp(80px,12vw,148px);font-weight:800;line-height:1;letter-spacing:-.07em;color:transparent;-webkit-text-stroke:1px var(--muted);opacity:.42}.issue-number span{font-family:Consolas,monospace;font-size:10px;letter-spacing:.25em;color:var(--muted);margin-top:14px}.hero .subtitle{max-width:650px;line-height:1.7}.meta{font-family:Consolas,monospace;font-size:12px}.pill{border-radius:4px;background:var(--surface);letter-spacing:.08em}.cover{border-radius:12px;margin-top:34px;box-shadow:0 22px 65px #0002}.cover img{width:100%;height:auto;object-fit:contain}
.layout{margin-top:66px;gap:60px}.sidebar summary{font-family:Consolas,monospace;font-size:11px}.sidebar a{padding-top:10px;padding-bottom:10px}.opening{padding:30px 34px;border:1px solid var(--line);border-top:0;border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;background:linear-gradient(110deg,#64dce809,transparent 75%),var(--surface)}.opening>.eyebrow{font-family:Consolas,monospace;font-size:11px}.article{line-height:1.9}.article-section{padding:62px 0 30px;border-bottom:0}.article-section+.article-section{border-top:1px solid var(--line)}.section-heading{gap:19px;margin-bottom:27px}.section-index{font-size:15px;font-weight:700;letter-spacing:.05em}.section-heading h2{font-size:clamp(26px,2.7vw,33px);letter-spacing:-.035em}.solution .section-heading{border-left:0;padding-left:0}.solution .section-index{background:#64dce812;padding:5px 9px;border-radius:5px}.risk .section-index{background:#ff888512;padding:5px 9px;border-radius:5px}.article p{margin:20px 0}.article h3{font-size:22px;margin-top:38px}
blockquote{position:relative;background:linear-gradient(110deg,#64dce80b,transparent),var(--surface);padding:24px 26px;border-radius:0 12px 12px 0}.risk blockquote{background:linear-gradient(110deg,#ff88850c,transparent),var(--surface)}.quote-mark{font-family:Consolas,monospace;font-weight:bold}.code-block{border-radius:10px;box-shadow:0 12px 35px #0001;margin:26px 0}.code-toolbar{padding:11px 18px}.code-toolbar>span::before{content:'●';font-size:8px;color:#64dce8;margin-right:9px}.copy{min-height:34px;padding:4px 12px}.code-block pre{padding:24px;line-height:1.75}
.article-section.closing{position:relative;padding:32px;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:0 14px 14px 0;margin-top:45px;background:linear-gradient(125deg,#64dce80b,#ff888506),var(--surface)}.article-section.closing .section-heading{align-items:center;margin-bottom:22px}.article-section.closing .code-block{background:transparent;border:0;box-shadow:none;margin:0}.article-section.closing .code-toolbar{background:transparent;border-bottom:1px solid var(--line);padding-left:0;padding-right:0}.article-section.closing pre{font-size:clamp(16px,1.8vw,21px);line-height:1.9;padding:24px 0 0;color:var(--text)}.end-note{font-family:Consolas,monospace;letter-spacing:.05em;padding-top:34px;margin-top:54px}
.article-section.closing .code-block--tall{border:1px solid var(--line);background:var(--code);box-shadow:0 12px 35px #0001;margin:26px 0}.article-section.closing .code-block--tall .code-toolbar{background:#ffffff04;border-bottom:1px solid #273348;padding:11px 18px}.article-section.closing .code-block--tall pre{padding:20px;font-size:14px;line-height:1.65;color:#dbe6f4}
@media(min-width:901px){.sidebar{top:35px}.sidebar details{padding-top:6px}}
@media(max-width:900px){.layout{gap:30px}.hero{margin-top:42px}.hero-intro{gap:20px}.issue-number b{font-size:100px}.sidebar{padding:20px}.opening{padding:26px}.article-section{padding-top:46px}.edition-note{display:none}}
@media(max-width:560px){.topbar{padding:15px 20px;gap:10px}.masthead{gap:10px}.brand{font-size:12px;letter-spacing:.09em}.masthead::before{height:25px;width:4px}.theme{padding:6px 12px;font-size:12px;white-space:nowrap}.hero{margin-top:29px}.hero::before{inset:-20px 0 auto;height:390px;background-size:30px 30px;opacity:.2}.hero>.eyebrow{font-size:10px;letter-spacing:.02em}.hero-intro{display:block;padding-top:20px;padding-bottom:25px;margin-bottom:20px}.hero h1{font-size:33px;line-height:1.15;letter-spacing:-.035em}.hero h1 .headline-topic{font-size:72px;max-width:calc(100% - 100px);margin-bottom:20px}.issue-number{position:absolute;right:0;top:23px;padding:0;pointer-events:none}.issue-number b{font-size:64px}.issue-number span{font-size:8px;letter-spacing:.1em;margin-top:7px}.hero .subtitle{font-size:15px}.cover{margin-top:26px;border-radius:8px}.layout{margin-top:34px}.opening{padding:23px 18px}.article-section{padding:40px 0 22px}.section-heading{gap:12px}.section-index{font-size:12px}.section-heading h2{font-size:26px}.solution .section-index,.risk .section-index{padding:4px 6px}.article p{margin:18px 0}blockquote{padding:20px 17px;gap:12px}.code-block pre{padding:18px;font-size:13px}.code-toolbar{padding:9px 13px}.article-section.closing{padding:23px 18px;margin-top:28px}.article-section.closing pre{font-size:16px}.article-section.closing .code-block--tall pre{padding:16px;font-size:13px;line-height:1.6}.end-note{font-size:11px;gap:12px}}
@media print{.site{background:white;--text:#202b3c;--muted:#56677d;--line:#d6dee8;--cyan:#087480;--coral:#ba353b;--surface:white}.hero::before,.issue-number,.edition-note{display:none}.hero-intro{display:block}.hero h1{font-size:26pt}.hero h1 .headline-topic{font-size:42pt}.article-section{padding:25px 0}.article-section.closing{background:#f5f5f5;break-inside:avoid}.opening,blockquote{box-shadow:none}.cover{box-shadow:none}}


.article-column{min-width:0;width:100%;max-width:100%}.article{width:100%;max-width:800px}.sidebar{min-width:0}.table-scroll{width:100%;min-width:0}.code-block{max-width:100%}
@media(max-width:900px){.layout{grid-template-columns:minmax(0,1fr)}}
.hero h1{overflow-wrap:anywhere}.headline-topic{font-size:clamp(38px,5vw,68px)!important}.headline-text{font-size:clamp(30px,3.8vw,52px)}.section-heading h2,blockquote>div{min-width:0;overflow-wrap:anywhere}.section-index{flex-shrink:0}.article hr{border:0;border-top:1px solid var(--line);margin:30px 0}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:26px 0}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.65}th,td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}th{background:var(--surface);color:var(--cyan);font-weight:700}tr:last-child td{border-bottom:0}td:first-child,th:first-child{min-width:170px}.article ol{padding-left:28px}.article ol li::marker{color:var(--cyan)}
@media(max-width:560px){.hero-intro{display:flex;flex-direction:column;align-items:stretch;gap:20px}.issue-number{position:static;order:-1;align-items:center;flex-direction:row;gap:12px}.issue-number b{font-size:50px}.issue-number span{margin-top:0}.hero h1 .headline-topic{max-width:none;font-size:clamp(36px,10vw,60px)!important}.headline-text{font-size:30px}table{font-size:13px}.cover img{height:auto;object-fit:contain}}

/* Joker author identity */
.masthead{gap:14px}.masthead::before{display:none}.joker-home-link{display:block;line-height:0;border-radius:12px;flex-shrink:0}.joker-mark{display:block;width:64px;height:64px;object-fit:contain;border-radius:12px;flex-shrink:0}.joker-brand-copy{display:flex;flex-direction:column;gap:2px}.joker-byline{display:flex;align-items:center;gap:9px;font-size:10px;line-height:1.5;letter-spacing:.12em;color:var(--muted)}.joker-byline strong{font-size:12px;letter-spacing:.22em;color:var(--cyan)}.joker-byline::before{content:'';width:20px;height:1px;background:var(--cyan)}.edition-note{margin-left:8px}.actions{flex-shrink:0}
.joker-signature{display:flex;align-items:center;gap:22px;margin:48px 0 0;padding:26px 0;border-top:1px solid var(--line)}.joker-signature .joker-mark{width:96px;height:96px;border-radius:18px}.joker-signature-copy{display:flex;flex-direction:column;gap:5px}.joker-signature-label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.joker-signature strong{font-size:28px;line-height:1.2;letter-spacing:.22em;color:var(--cyan)}.joker-signature-note{font-size:12px;color:var(--muted)}
@media(max-width:560px){.masthead{gap:9px}.joker-mark{width:48px;height:48px;border-radius:9px}.joker-byline{font-size:9px;gap:6px;letter-spacing:.05em}.joker-byline strong{font-size:11px;letter-spacing:.15em}.joker-byline::before{width:12px}.joker-signature{gap:16px;margin-top:32px;padding:22px 0}.joker-signature .joker-mark{width:76px;height:76px}.joker-signature strong{font-size:24px}.joker-signature-note{font-size:11px}}@media(max-width:380px){.topbar{flex-wrap:wrap}}@media print{.joker-signature{break-inside:avoid}}

/* Quiet author credit; keep the cube prominent */
.joker-byline{gap:0;font-size:11px;letter-spacing:0;color:var(--muted)}.joker-byline::before{display:none}.joker-byline strong{font-size:inherit;font-weight:400;letter-spacing:0;color:inherit}.joker-signature-copy{gap:6px}.joker-signature-label{font-size:12px;letter-spacing:0;text-transform:none;color:var(--muted)}.joker-signature-label strong{font-size:inherit;font-weight:400;line-height:inherit;letter-spacing:0;color:inherit}.joker-signature-note{font-size:11px}@media(max-width:560px){.joker-byline{font-size:10px}.joker-byline strong{font-size:inherit;letter-spacing:0}.joker-signature-label{font-size:11px}.joker-signature-label strong{font-size:inherit}}

.joker-profile{color:inherit;text-decoration:none;border-radius:2px}.joker-profile:hover,.joker-profile:focus-visible{text-decoration:underline;text-underline-offset:3px}
.article-reactions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:18px 0;color:var(--muted);font-size:13px}.article-heart{font:inherit;font-size:18px;color:var(--muted);border:1px solid var(--line);border-radius:20px;background:transparent;padding:6px 14px;cursor:pointer}.article-heart[aria-pressed="true"]{color:var(--coral,#ff8278)}.article-heart:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.article-heart:disabled{opacity:.6}.article-reactions a{color:var(--cyan)}.article-reactions [hidden]{display:none}.card-link{display:flex;flex-direction:column;flex:1;color:inherit;text-decoration:none}.card-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:6px 12px;padding:0 20px 18px}.card-actions .card-more{margin:0;text-decoration:none}.card-actions .article-reactions{display:contents}.card-actions .article-heart{grid-column:2;grid-row:1;font-size:14px;padding:4px 6px;border:0;border-radius:6px;white-space:nowrap}.card-actions .article-reactions>span,.card-actions .article-reactions>a{grid-column:1/-1;font-size:12px}.card-actions .article-reactions>span:empty{display:none}
/* Build-time Mermaid diagrams stay readable in both page themes. */
.mermaid-diagram{margin:26px 0;max-width:100%;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#09101a;color:#dbe6f4}.mermaid-viewport{overflow-x:auto;padding:20px}.mermaid-viewport:focus-visible{outline:3px solid var(--cyan);outline-offset:-3px}.mermaid-viewport>svg{display:block;margin:auto;min-width:100%;height:auto;max-width:100%}.mermaid-viewport svg .node rect,.mermaid-viewport svg .node circle,.mermaid-viewport svg .node ellipse,.mermaid-viewport svg .node polygon,.mermaid-viewport svg .node path{fill:#152233;stroke:#64dce8;stroke-width:2px}.mermaid-viewport svg .edgePath .path{stroke:#7ad9ee;stroke-width:2px}.mermaid-viewport svg .label{fill:#eaf8ff;font-size:14px}.mermaid-viewport svg .cluster rect{fill:#0f1722;stroke:#64dce8;stroke-width:1.5px}.mermaid-source{border-top:1px solid #273348}.mermaid-source>summary{padding:10px 16px;font-size:13px;cursor:pointer;color:#9daec5}.mermaid-source>.code-block{margin:0;border:0;border-top:1px solid #273348;border-radius:0;box-shadow:none}
@media(max-width:560px){.mermaid-diagram{margin:18px 0}.mermaid-viewport{padding:8px}.mermaid-viewport>svg{max-width:88vw;min-width:0}.mermaid-viewport svg .label{font-size:12px}.mermaid-viewport svg .edgePath .path{stroke-width:1.5px}} 
@media print{.mermaid-diagram{break-inside:avoid;print-color-adjust:exact;-webkit-print-color-adjust:exact}.mermaid-source{display:none}}

.admin-title select{min-height:44px;margin:8px;padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--text);font:inherit;font-size:14px}
.admin-title select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* Article metadata and actions share one accessible SVG icon system. */
.article-tools{display:flex;align-items:center;flex-wrap:wrap;gap:6px 20px;margin:12px 0;color:var(--muted);font-size:13px;font-weight:600}
.article-stat,.article-action,.article-heart{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.article-icon{width:20px;height:20px;flex:0 0 20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.article-action,.article-heart{min-height:44px;padding:4px 0;border:0;border-radius:6px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.article-action:hover,.article-heart:hover{color:var(--cyan)}
.article-heart[aria-pressed="true"]{color:var(--coral)}.article-heart[aria-pressed="true"] .article-icon{fill:currentColor}
.article-stat[data-level="easy"]{color:#73dda6}.article-stat[data-level="medium"]{color:var(--cyan)}.article-stat[data-level="hard"]{color:var(--coral)}
#theme-toggle:checked~.site .article-stat[data-level="easy"]{color:#197247}
.article-tools .article-reactions{display:contents}.article-tools .article-reactions>span:empty{display:none}
.article-tools .article-reactions>span:not(:empty),.article-tools .article-reactions>a{flex-basis:100%;white-space:normal}
.article-tools [hidden]{display:none}.article-tools .article-feedback{flex-basis:100%;font-weight:400;overflow-wrap:anywhere}.article-feedback:empty{display:none}
.card{container-type:inline-size}
.card .article-tools{display:grid;grid-template-columns:repeat(4,max-content) minmax(28px,1fr);align-items:center;gap:0 6px;padding:0 16px;margin:0 0 10px;font-size:12px}
.card .article-stat,.card .article-heart{gap:5px}.card .article-icon{width:18px;height:18px;flex-basis:18px}
.card .article-heart{grid-column:auto;grid-row:auto;padding:0;border:0;font-size:inherit}
.card .article-action{justify-self:end;justify-content:center;width:32px;font-size:inherit}
.card .article-feedback,.card .article-reactions>span:not(:empty),.card .article-reactions>a{grid-column:1/-1;white-space:normal}
@container(max-width:320px){.card .article-tools{font-size:11px;gap:0 4px}.card .article-stat,.card .article-heart{gap:4px}.card .article-icon{width:16px;height:16px;flex-basis:16px}.card .article-action{width:28px}}

.card h3{min-height:calc(3 * 1.4em);margin-bottom:14px}.article-tools-end{border-top:1px solid var(--line);padding-top:20px;margin-top:28px}
@media(max-width:560px){.article-tools{gap:4px 14px}}
@media print{.article-tools button,.article-tools .article-reactions,.article-feedback{display:none}}


.hub{max-width:1240px;margin:auto;padding:64px 30px 30px}.hub-intro{border-bottom:1px solid var(--line);padding-bottom:40px;margin-bottom:32px}.hub h1{font-size:clamp(54px,9vw,100px);letter-spacing:-.06em;line-height:1.05;margin:18px 0}.hub h1 span{color:var(--cyan)}.hub-intro p{color:var(--muted);max-width:620px}.catalog-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:30px 0}.catalog-bar h2{font-size:24px}.search{display:grid;gap:5px;font-size:12px;color:var(--muted)}.search input{font:inherit;font-size:16px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px 16px;width:300px;max-width:100%}.grid{display:grid;align-items:stretch;grid-auto-rows:1fr;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.card{display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s}.card:hover{border-color:var(--cyan);transform:translateY(-4px)}.card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#0c1119}.card-copy{display:flex;flex-direction:column;padding:16px 16px 8px}.card-meta{font:11px Consolas,monospace;letter-spacing:.1em;color:var(--muted)}.card h3{font-size:18px;line-height:1.4;margin:8px 0;overflow-wrap:anywhere}.card-more{color:var(--cyan);font-size:13px;margin-top:auto}.card[hidden],.empty[hidden]{display:none}.empty{color:var(--muted)}.hub footer{margin-top:48px}.hub .joker-signature{margin-top:0}.search input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}@media(max-width:950px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.hub{padding:36px 20px 24px}.grid{grid-template-columns:minmax(0,1fr);gap:20px}.catalog-bar{align-items:stretch;flex-direction:column}.search input{width:100%}.topbar{flex-wrap:wrap}.hub-intro{padding-bottom:24px}}@media(prefers-reduced-motion:reduce){.card{transition:none}.card:hover{transform:none}}
.quiz-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:28px;padding:20px 22px;border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:12px;background:var(--surface)}.quiz-cta strong{display:block;font-size:18px}.quiz-cta span{display:block;margin-top:4px;color:var(--muted);font-size:14px}.quiz-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:9px;background:var(--cyan);color:#071016;text-decoration:none;font-weight:800;white-space:nowrap}.quiz-link:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.quiz-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px}.quiz-card{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.quiz-card h2{font-size:25px;margin:8px 0 12px}.quiz-card ul{margin:18px 0;padding-left:22px;color:var(--muted)}.quiz-card.ready{border-color:var(--cyan)}.quiz-status{font:11px Consolas,monospace;letter-spacing:.1em;color:var(--cyan)}.quiz-card.planned .quiz-status{color:var(--muted)}.back-link{display:inline-block;margin-bottom:22px;color:var(--cyan)}@media(max-width:700px){.quiz-cta{align-items:stretch;flex-direction:column}.quiz-grid{grid-template-columns:minmax(0,1fr)}}
.pagination{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:30px}.pagination[hidden]{display:none}.page-button{min-width:42px;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-weight:700;cursor:pointer}.page-button:hover,.page-button[aria-current="page"]{border-color:var(--cyan);color:var(--cyan)}.page-button[aria-current="page"]{background:color-mix(in srgb,var(--cyan) 12%,var(--surface))}.page-button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.card.is-hidden,.card.is-scheduled{opacity:.68;border-style:dashed}.card-status{display:inline-flex;align-items:center;align-self:flex-start;margin:10px 0 0;padding:5px 9px;border:1px solid var(--muted);border-radius:999px;color:var(--muted);font:700 10px Consolas,monospace;letter-spacing:.08em}.admin-link{display:inline-flex;align-items:center;min-height:40px;padding:8px 14px;border:1px solid var(--cyan);border-radius:999px;color:var(--cyan);font-size:13px;font-weight:800;text-decoration:none}.admin-link[hidden]{display:none}.catalog-error{padding:20px;border:1px solid #ff908c66;border-radius:12px;color:#ff908c;background:var(--surface)}.catalog-error[hidden]{display:none}
.auth-gate{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:#05080fcf;backdrop-filter:blur(8px)}.auth-gate[hidden]{display:none}.auth-dialog{width:min(100%,480px);padding:30px;border:1px solid var(--line);border-top:4px solid var(--cyan);border-radius:16px;background:var(--surface);box-shadow:0 24px 80px #0009}.auth-dialog h2{margin:8px 0 10px;font-size:30px}.auth-dialog p{color:var(--muted)}.auth-dialog label{display:grid;gap:7px;margin-top:20px;font-size:13px;color:var(--muted)}.auth-dialog input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}.auth-dialog button{margin-top:16px}.auth-error{min-height:1.5em;color:#ff908c!important;font-size:13px}.quiz-content.auth-locked{filter:blur(4px);pointer-events:none;user-select:none}@media(max-width:600px){.auth-dialog{padding:24px 20px}}

.site.techhub-home{overflow-x:clip}
.techhub-home .hub-intro{position:relative;isolation:isolate;min-height:590px;margin-bottom:76px;padding:28px 0 58px;border-bottom:0;text-align:center;color:#e1e8f2;--text:#e1e8f2;--muted:#b9c9de;--surface:#121b28;--line:#34455c;--cyan:#64dce8}
.techhub-home .hub-intro::before{content:'';position:absolute;z-index:-1;pointer-events:none;top:-64px;bottom:-70px;left:50%;width:100vw;transform:translateX(-50%);background:#0c1119 url('../images/joker-lab-background-v1.webp') center top/cover no-repeat;mask-image:linear-gradient(#000 0%,#000 75%,transparent 100%)}
.techhub-home .hub-intro>p,.techhub-home .hub-intro>.meta{max-width:620px;margin-left:auto;margin-right:auto}
.techhub-home .hub-intro>.meta{justify-content:center}.techhub-home .hub-intro .pill{background:#121b28e6}.techhub-home .hub-intro h1{color:#e1e8f2;text-shadow:0 3px 28px #000}
@media(min-width:1600px){.techhub-home .hub-intro::before{background-size:100% auto}}
@media(max-width:700px){.techhub-home .hub-intro{min-height:0;padding-top:48px;padding-bottom:30px;margin-bottom:54px}.techhub-home .hub-intro::before{top:-36px;bottom:-44px;background-image:linear-gradient(180deg,#0c111930 0%,#0c1119b8 40%,#0c1119 88%),url('../images/joker-lab-background-v1.webp');background-size:cover;mask-image:linear-gradient(#000 0%,#000 85%,transparent 100%)}.techhub-home .hub-intro>p{font-size:16px}.techhub-home .hub-intro>.meta{font-size:12px}}
.home-section{margin:42px 0}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.section-heading h2{margin:0;font-size:28px}.section-heading a{color:var(--cyan)}.rail-controls{display:flex;gap:8px}.article-rail{display:grid;align-items:stretch;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:5px 0 18px;overscroll-behavior-x:contain}.article-rail .card{scroll-snap-align:start;min-width:0}.article-rail:focus-visible,.group-card:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.rail-controls button:disabled{opacity:.35;cursor:default}.group-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.group-card{display:flex;flex-direction:column;color:var(--text);text-decoration:none;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}.group-card:hover{border-color:var(--cyan)}.group-cover{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;background:var(--surface)}.group-placeholder{display:grid;place-items:center;background:radial-gradient(ellipse at 20% 25%,#27dbde33,transparent 65%),linear-gradient(135deg,#101e34,#102827);color:#8deff0;font:700 38px Consolas,monospace;letter-spacing:.15em}.group-copy{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px}.group-copy h3{min-width:0;margin:0;font-size:20px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-count{flex-shrink:0;color:var(--muted);font-size:14px;white-space:nowrap}.home-message{color:var(--muted)}.home-message[hidden],.group-cover[hidden]{display:none}@media(max-width:950px){.article-rail{grid-auto-columns:calc((100% - 24px)/2)}}@media(max-width:600px){.article-rail{grid-auto-columns:100%;gap:20px}.group-grid{grid-template-columns:minmax(0,1fr)}.section-heading{flex-wrap:wrap}.group-copy{gap:10px;padding:12px}.group-copy h3{font-size:14px}.group-count{font-size:12px}}
.home-shortcuts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:740px;margin:28px auto 0}
.home-shortcut{display:grid;grid-template-columns:24px minmax(0,1fr) 20px;align-items:center;gap:14px;min-height:112px;padding:18px;text-align:left;text-decoration:none;color:var(--text);border:1px solid var(--line);border-radius:12px;background:#121b28dc;transition:border-color .2s,background-color .2s}
.home-shortcut:hover{border-color:var(--cyan);background:#172436f5}.home-shortcut:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.home-shortcut svg{width:24px;height:24px;color:var(--cyan);fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.home-shortcut strong{display:block;font-size:17px;line-height:1.35}.home-shortcut-description{display:block;margin-top:5px;color:var(--muted);font-size:13px;line-height:1.5}.home-shortcut-arrow{font-size:22px;color:var(--cyan)}
@media(max-width:700px){.home-shortcuts{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:24px}.home-shortcut{min-height:96px;padding:16px}}