*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.65;-webkit-font-smoothing:antialiased}.layout{min-height:100vh;display:flex;flex-direction:column}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{max-width:1200px;margin:0 auto;padding:.7rem 1.5rem;display:flex;align-items:center;gap:1.5rem}.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--text);font-weight:700}.brand-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--pastel-pink),var(--pastel-lavender),var(--pastel-blue));display:inline-block}.brand-name{font-size:1.05rem;letter-spacing:.01em}.brand-slogan{font-size:.8rem;font-weight:400;color:var(--text-faint);margin-left:.35rem;padding-left:.75rem;border-left:1px solid var(--border);white-space:nowrap}.header-nav{display:flex;gap:1.1rem;flex:1}.header-nav a{color:var(--text-soft);text-decoration:none;font-size:.95rem}.header-nav a:hover{color:var(--text)}.header-tools{display:flex;align-items:center;gap:.4rem;margin-left:auto}.icon-btn{background:0 0;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.35rem .65rem;cursor:pointer;color:var(--text);font-size:1rem;background:var(--card)}.icon-btn:hover{border-color:var(--pastel-lavender)}.body{flex:1;display:flex;max-width:1200px;width:100%;margin:0 auto}.sidebar{width:280px;flex-shrink:0;border-right:1px solid var(--border);padding:1.5rem 1rem;position:sticky;top:60px;align-self:flex-start;height:calc(100vh - 60px);overflow-y:auto}.content{flex:1;padding:2.5rem 3rem 4rem;min-width:0;max-width:820px}.body--home{justify-content:center}.body--home .content{max-width:100%}.content.center{display:flex;align-items:center;justify-content:center;max-width:100%;flex:1;min-height:70vh}.site-footer{border-top:1px solid var(--border);background:var(--bg-soft)}.footer-inner{max-width:1200px;margin:0 auto;padding:1.2rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.footer-links{display:flex;gap:1.2rem}.footer-links a{color:var(--text-soft);text-decoration:none}.footer-links a:hover{color:var(--text)}.footer-copy{color:var(--text-faint);font-size:.9rem}.build-stamp{font-family:var(--font-mono);font-size:.8rem;color:var(--text-faint)}h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em}h1{font-size:2.1rem}h2{font-size:1.45rem;margin-top:2.2em;padding-bottom:.25em;border-bottom:2px solid var(--border)}h3{font-size:1.15rem;margin-top:1.8em}a{color:var(--accent)}.page-header h1{margin-bottom:.3em}.page-subtitle{color:var(--text-soft);font-size:1.05rem;margin-top:0}code{font-family:var(--font-mono);background:var(--code-bg);color:var(--code-text);padding:.12em .35em;border-radius:5px;font-size:.9em}pre{background:var(--code-bg);color:var(--code-text);padding:1.1rem 1.3rem;border-radius:var(--radius);border:1px solid var(--code-border);overflow-x:auto;line-height:1.55;background-image:var(--code-gradient);scrollbar-width:thin;scrollbar-color:var(--code-scroll-thumb)var(--code-bg)}pre::-webkit-scrollbar{height:10px}pre::-webkit-scrollbar-track{background:var(--code-bg);border-radius:0 0 var(--radius-sm)var(--radius-sm)}pre::-webkit-scrollbar-thumb{background:var(--code-scroll-thumb);border-radius:5px;border:2px solid var(--code-bg)}pre::-webkit-scrollbar-thumb:hover{background:var(--code-scroll-thumb-hover)}pre code{background:0 0;padding:0;color:inherit}.page-content table{width:100%;border-collapse:collapse;margin:1.2em 0;background:var(--card);border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}.page-content th{background:var(--bg-soft);text-align:left;padding:.6rem .9rem;font-size:.9rem;text-transform:uppercase;letter-spacing:.03em;color:var(--text-soft)}.page-content td{padding:.55rem .9rem;border-top:1px solid var(--border);vertical-align:top}.page-content tr:nth-child(even) td{background:color-mix(in srgb,var(--bg) 50%,transparent)}.page--cheat-sheet table{table-layout:fixed;width:100%}.page--cheat-sheet th:nth-child(1),.page--cheat-sheet td:nth-child(1){width:22%}.page--cheat-sheet th:nth-child(2),.page--cheat-sheet td:nth-child(2){width:53%}.page--cheat-sheet th:nth-child(3),.page--cheat-sheet td:nth-child(3){width:25%}.page--cheat-sheet td:nth-child(1) code{white-space:nowrap}.page-content blockquote{margin:1.2em 0;padding:.7em 1.2em;border-left:4px solid var(--pastel-lavender);background:var(--bg-soft);border-radius:0 var(--radius-sm)var(--radius-sm)0;color:var(--text-soft)}.motd{display:flex;align-items:center;gap:.8rem;margin-top:1.5rem;padding:.85rem 1.1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-soft)}.motd-label{flex-shrink:0;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);font-family:var(--font-mono)}.motd-text{color:var(--text-soft);font-size:.95rem;text-decoration:none}.motd-text:hover{color:var(--text);text-decoration:underline}.motd-shuffle{flex-shrink:0;margin-left:auto;border:1px solid transparent;border-radius:var(--radius-sm);background:var(--motd-btn-bg);color:var(--motd-btn-icon);cursor:pointer;width:1.9rem;height:1.9rem;font-size:.95rem;line-height:1;display:grid;place-items:center;transition:transform .2s,filter .15s,box-shadow .15s}.motd-shuffle:hover{filter:brightness(1.06);box-shadow:var(--shadow)}.motd-shuffle:active{transform:rotate(180deg)}.hero{padding:2rem 1rem 6rem;text-align:center}.hero-eyebrow{margin:0 0 .5rem;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint)}.hero-title{font-size:2.3rem;margin:0 0 .35em;background:linear-gradient(135deg,var(--text),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-tagline{font-size:1.1rem;color:var(--text-soft);margin:0 auto 1.2em;max-width:36em}.hero-actions{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:.6rem 1.4rem;border-radius:999px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--accent);color:var(--accent-contrast);box-shadow:var(--shadow)}.btn-ghost{background:var(--card);color:var(--text);border:1px solid var(--border)}.home-block{margin-bottom:2.5rem}.home-block-title{font-size:1.35rem;font-weight:700;margin:0 0 .2em;line-height:1.3}.home-block-desc{color:var(--text-soft);margin:0 0 1rem;font-size:.95rem}.home-block-more{display:inline-flex;align-items:center;gap:.3rem;font-size:.85rem;font-weight:600;color:var(--accent);text-decoration:none;padding:.35rem .85rem;border:1px solid var(--border);border-radius:999px;background:var(--card);white-space:nowrap;margin-top:.9rem;transition:border-color .15s,background .15s,box-shadow .15s}.home-block-more:hover{border-color:var(--pastel-lavender);background:linear-gradient(135deg,#f9c7dc1f,#d9c9f51f,#bfdcf51f);box-shadow:var(--shadow)}.home-block-more span{transition:transform .15s}.home-block-more:hover span{transform:translateX(3px)}.home-chapter-grid{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.6rem}.home-chapter-link{display:flex;align-items:center;gap:.7rem;padding:.62rem .85rem;text-decoration:none;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);transition:border-color .15s,box-shadow .15s}.home-chapter-link:hover{border-color:var(--pastel-lavender);box-shadow:var(--shadow)}.home-chapter-num{flex-shrink:0;width:1.7rem;height:1.7rem;display:grid;place-items:center;border-radius:50%;background:var(--acc,var(--code-bg));color:var(--text-soft);font-family:var(--font-mono);font-size:.78rem}.home-chapter-name{font-size:.94rem}.home-child-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:.6rem}.home-child-list a{display:flex;align-items:center;gap:.6rem;padding:.62rem .85rem;text-decoration:none;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);font-size:.94rem;overflow:hidden}.home-child-list a span:last-child{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home-child-list a:hover{border-color:var(--pastel-lavender);box-shadow:var(--shadow)}.menu-section-title{display:block;font-weight:700;text-decoration:none;color:var(--text);padding:.3rem .5rem;margin-bottom:.5rem;font-size:1.02rem}.menu-list{list-style:none;margin:0;padding:0}.menu-link{display:flex;align-items:center;gap:.6rem;padding:.42rem .5rem;text-decoration:none;color:var(--text-soft);border-radius:var(--radius-sm);font-size:.94rem}.menu-link:hover{background:var(--bg-soft);color:var(--text)}.menu-link.active{background:var(--bg-soft);color:var(--text);font-weight:600}.menu-dot,.chapter-dot,.card-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;background:var(--acc)}.chapter-list{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.6rem}.chapter-link{display:flex;align-items:baseline;gap:.8rem;text-decoration:none;padding:.7rem .9rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);color:var(--text)}.chapter-link:hover{border-color:var(--pastel-lavender);box-shadow:var(--shadow)}.chapter-title{font-weight:600}.chapter-desc{color:var(--text-faint);font-size:.88rem}.child-list{list-style:none;padding:0;margin-top:1.5rem;display:grid;gap:.5rem}.child-list a{text-decoration:none;color:var(--text);display:flex;align-items:center;gap:.6rem;padding:.6rem .9rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card)}.child-list a:hover{border-color:var(--pastel-lavender)}.breadcrumbs{font-size:.88rem;color:var(--text-faint);margin-bottom:1rem;display:flex;gap:.4rem;flex-wrap:wrap}.breadcrumbs a{color:var(--text-faint);text-decoration:none}.breadcrumbs a:hover{color:var(--text)}.breadcrumbs-current{color:var(--text-soft)}.toc{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-soft);padding:.8rem 1rem;margin:1.2em 0}.toc summary{cursor:pointer;font-weight:600}.toc nav ul{margin:.5rem 0 0;padding-left:1.2rem}.toc nav ul ul{margin:.15rem 0 .4rem;padding-left:1rem}.toc a{color:var(--text-soft);text-decoration:none;font-size:.92rem}.toc a:hover{color:var(--text)}.prev-next{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border)}.pn-link{text-decoration:none;color:var(--text);font-weight:600;padding:.6rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);max-width:45%}.pn-link:hover{border-color:var(--pastel-lavender)}.pn-next{margin-left:auto;text-align:right}.lang details{position:relative}.lang summary{cursor:pointer;list-style:none;padding:.35rem .65rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);font-size:.92rem}.lang summary::-webkit-details-marker{display:none}.lang ul{position:absolute;right:0;top:100%;margin:.3rem 0 0;padding:.35rem;list-style:none;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:8rem;z-index:60}.lang a{display:block;padding:.35rem .6rem;text-decoration:none;color:var(--text);border-radius:5px}.lang a:hover{background:var(--bg-soft)}.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:12vh 1rem 0}.modal[hidden]{display:none}.modal-backdrop{position:absolute;inset:0;background:rgba(30,26,45,.4)}.modal-card{position:relative;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:560px;padding:1rem;border:1px solid var(--border)}.modal-head{display:flex;align-items:center;gap:.5rem}#search-input{flex:1;width:100%;padding:.7rem 1rem;font-size:1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-family:var(--font-sans)}#search-input:focus{outline:2px solid var(--pastel-lavender);border-color:transparent}.search-results{list-style:none;margin:.7rem 0 0;padding:0;max-height:50vh;overflow-y:auto}.search-results li{border-top:1px solid var(--border)}.search-results a{display:block;padding:.6rem .4rem;text-decoration:none;color:var(--text)}.search-results a:hover{background:var(--bg-soft)}.search-title{display:block;font-weight:600}.search-desc{display:block;color:var(--text-faint);font-size:.85rem}.search-status{color:var(--text-faint);font-size:.85rem;margin:.5rem 0 0}.back-to-top{position:fixed;right:1.1rem;bottom:1.1rem;z-index:90;width:2.6rem;height:2.6rem;display:grid;place-items:center;border:1px solid var(--to-top-border,var(--border));border-radius:50%;background:var(--to-top-bg,var(--card));color:var(--to-top-color,var(--text));font-size:1.15rem;line-height:1;cursor:pointer;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(.5rem);transition:opacity .2s,transform .2s,border-color .15s,filter .15s}.back-to-top:hover{border-color:var(--to-top-border-hover,var(--pastel-lavender));filter:brightness(1.05)}.back-to-top[data-tooltip]::after{content:attr(data-tooltip);position:absolute;right:calc(100% + .6rem);bottom:50%;transform:translateY(50%);padding:.35rem .7rem;background:var(--card);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:.8rem;font-weight:600;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}.back-to-top[data-tooltip]:hover::after{opacity:1}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.error-card{text-align:center;padding:3rem 2.5rem;max-width:26rem}.error-card h1{font-size:4rem;margin:0;background:linear-gradient(135deg,var(--error-grad-a),var(--error-grad-b));-webkit-background-clip:text;background-clip:text;color:transparent}@media(max-width:900px){.sidebar{position:static;width:100%;height:auto;border-right:none;border-bottom:1px solid var(--border)}.body{flex-direction:column}.content{padding:1.5rem 1.2rem 3rem}.header-nav{display:none}.brand-slogan{display:none}.hero{padding:1.5rem 0 3rem}.hero-title{font-size:1.9rem}.home-chapter-grid,.home-child-list{grid-template-columns:1fr}.back-to-top{display:none}}html[data-theme=dark]{--bg:#1e1c2b;--bg-soft:#282538;--card:#2c2940;--card-hover:#332f49;--text:#e8e4f2;--text-soft:#b8b2cc;--text-faint:#8a84a0;--border:#3a3650;--shadow:0 6px 24px rgba(0, 0, 0, 0.35);--shadow-lg:0 12px 40px rgba(0, 0, 0, 0.5);--accent:#a99ef0;--accent-contrast:#1e1c2b;--error-grad-a:#e8a0c0;--error-grad-b:#b3a0e8;--code-bg:#2b2740;--code-text:#e0d9f0;--code-border:#3c3757;--code-scroll-thumb:#4a4468;--code-scroll-thumb-hover:#5a5380;--motd-btn-bg:#bfdcf5;--motd-btn-icon:#2d2a3a;--code-gradient:linear-gradient(135deg, #f9c7dc11, #d9c9f511, #bfdcf511);--hero-gradient:linear-gradient(135deg, #f9c7dc22, #d9c9f522 40%, #c2ecd422 70%, #bfdcf522);--to-top-bg:linear-gradient(135deg, #f9c7dc, #d9c9f5 50%, #bfdcf5);--to-top-color:#2d2a3a;--to-top-border:rgba(0, 0, 0, 0.3);--to-top-border-hover:#b8a8f0;--border:#393450}html[data-theme=dark] .home-chapter-link,html[data-theme=dark] .home-child-list a,html[data-theme=dark] .home-block-more{border-color:#3a3650}html[data-theme=dark] .modal-backdrop{background:rgba(0,0,0,.6)}html[data-theme=dark] .brand-mark{filter:saturate(1.1)}html[data-theme=dark] .chapter-link,html[data-theme=dark] .child-list a,html[data-theme=dark] .pn-link,html[data-theme=dark] .card{border-color:#3a3650}html[data-theme=dark] .home-chapter-num{color:#2d2a3a}html[data-theme=titanium]{--bg:#ffffff;--bg-soft:#f5f6f8;--card:#ffffff;--card-hover:#fbfcfd;--text:#2f343a;--text-soft:#565e68;--text-faint:#6f7885;--border:#e2e6eb;--shadow:0 6px 24px rgba(30, 40, 55, 0.06);--shadow-lg:0 14px 44px rgba(30, 40, 55, 0.12);--accent:#4a5568;--accent-contrast:#ffffff;--error-grad-a:#6b7280;--error-grad-b:#9ca3af;--code-bg:#f4f6f9;--code-text:#333a45;--code-border:#dfe4ea;--code-gradient:linear-gradient(135deg, rgba(74, 85, 104, 0.04), rgba(148, 163, 184, 0.04));--code-scroll-thumb:#c4ccd6;--code-scroll-thumb-hover:#aab4c0;--motd-btn-bg:#c8d0da;--motd-btn-icon:#2f343a;--hero-gradient:linear-gradient(135deg, rgba(74, 85, 104, 0.05), rgba(148, 163, 184, 0.05));--to-top-bg:linear-gradient(135deg, #8a97a8, #b0b9c4);--to-top-color:#ffffff;--to-top-border:rgba(30, 40, 55, 0.25);--to-top-border-hover:#cbd5e1;--accent-10:#cbd5e1;--accent-20:#94a3b8;--accent-30:#cbd5e1;--accent-40:#94a3b8;--accent-50:#cbd5e1;--accent-60:#94a3b8;--accent-70:#cbd5e1;--accent-80:#94a3b8;--accent-90:#cbd5e1;--accent-100:#94a3b8;--accent-110:#cbd5e1;--accent-120:#94a3b8;--accent-130:#cbd5e1;--accent-140:#94a3b8;--accent-150:#cbd5e1;--accent-160:#94a3b8}html[data-theme=titanium] .icon-btn:hover{border-color:var(--border)}html[data-theme=titanium] .page-content blockquote{border-left-color:#cbd5e1}html[data-theme=titanium] .home-block-more:hover{border-color:#cbd5e1;background:#eef1f5}html[data-theme=titanium] .home-chapter-link:hover{border-color:#cbd5e1}html[data-theme=titanium] .home-child-list a:hover{border-color:#cbd5e1}html[data-theme=titanium] .chapter-link:hover{border-color:#cbd5e1}html[data-theme=titanium] .child-list a:hover{border-color:#cbd5e1}html[data-theme=titanium] .pn-link:hover{border-color:#cbd5e1}html[data-theme=titanium] #search-input:focus{outline-color:#94a3b8}html[data-theme=titanium] .hero-title{background:linear-gradient(135deg,var(--text),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}html[data-theme=titanium] .card-featured,html[data-theme=titanium] .card{background:var(--card)}html[data-theme=titanium] .chapter-link,html[data-theme=titanium] .child-list a,html[data-theme=titanium] .pn-link,html[data-theme=titanium] .home-chapter-link,html[data-theme=titanium] .home-child-list a,html[data-theme=titanium] .home-block-more{border-color:var(--border);background:var(--card)}html[data-theme=titanium] .modal-backdrop{background:rgba(30,40,55,.4)}html[data-theme=titanium] .brand-mark{background:linear-gradient(135deg,#8a97a8,#b0b9c4)}@font-face{font-family:space grotesk;font-style:normal;font-weight:100 700;font-display:swap;src:url(/fonts/space-grotesk-latin.woff2)format('woff2')}@font-face{font-family:jetbrains mono;font-style:normal;font-weight:100 800;font-display:swap;src:url(/fonts/jetbrains-mono-latin.woff2)format('woff2')}:root{--accent:#6b5fd0;--accent-contrast:#faf7ff;--error-grad-a:#e07aa8;--error-grad-b:#8f7ad6;--bg:#faf7ff;--bg-soft:#f3eefb;--card:#ffffff;--card-hover:#fdfbff;--text:#2d2a3a;--text-soft:#5c566e;--text-faint:#716c88;--border:#e7e0f3;--shadow:0 6px 24px rgba(90, 76, 140, 0.08);--shadow-lg:0 12px 40px rgba(90, 76, 140, 0.14);--pastel-pink:#f9c7dc;--pastel-lavender:#d9c9f5;--pastel-mint:#c2ecd4;--pastel-peach:#ffd9c2;--pastel-blue:#bfdcf5;--pastel-butter:#f8e6a0;--accent-10:var(--pastel-pink);--accent-20:var(--pastel-lavender);--accent-30:var(--pastel-mint);--accent-40:var(--pastel-peach);--accent-50:var(--pastel-blue);--accent-60:var(--pastel-butter);--accent-70:var(--pastel-pink);--accent-80:var(--pastel-lavender);--accent-90:var(--pastel-mint);--accent-100:var(--pastel-peach);--accent-110:var(--pastel-blue);--accent-120:var(--pastel-butter);--accent-130:var(--pastel-pink);--accent-140:var(--pastel-lavender);--accent-150:var(--pastel-mint);--accent-160:var(--pastel-peach);--code-bg:#f1ebfa;--code-text:#43385c;--code-border:#e3d9f2;--code-gradient:linear-gradient(135deg, #f9c7dc22, #d9c9f522, #bfdcf522);--hero-gradient:linear-gradient(135deg, #f9c7dc55, #d9c9f555 40%, #c2ecd455 70%, #bfdcf555);--code-scroll-thumb:#d9c9f5;--code-scroll-thumb-hover:#bfdcf5;--motd-btn-bg:#ffd9c2;--motd-btn-icon:#2d2a3a;--to-top-bg:linear-gradient(135deg, #f9c7dc, #d9c9f5 50%, #bfdcf5);--to-top-color:#2d2a3a;--to-top-border:rgba(90, 76, 140, 0.35);--to-top-border-hover:#c8b8ee;--radius:14px;--radius-sm:9px;--font-sans:"Space Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace}