/* Native diagrams and shared interface styling, no external fonts or assets. */
html{scroll-behavior:smooth}body{line-height:1.65}.wrap{max-width:1080px;padding-bottom:100px}button,input,select{font:inherit}button{color:inherit}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1:focus{outline:none}h1,h2,h3,p{overflow-wrap:anywhere}.pcg-eyebrow{font:700 11px/1.4 ui-monospace,Consolas,monospace;letter-spacing:.15em;color:var(--accent)}
.pcg-hero{display:grid;grid-template-columns:1.45fr .8fr;align-items:center;gap:40px;padding:48px 42px;margin:20px 0 22px;border:1px solid var(--border);border-radius:24px;background:radial-gradient(ellipse at 95% 20%,var(--accent-soft),transparent 65%),var(--surface);overflow:hidden}.pcg-hero h1{white-space:pre-line;font-size:clamp(30px,4.5vw,46px);line-height:1.18;letter-spacing:-.035em;margin:18px 0}.pcg-hero p{max-width:570px;font-size:16px;line-height:1.9;color:var(--muted)}.pcg-stats{display:flex;gap:22px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:30px}.pcg-stats b{display:block;color:var(--text);font:600 27px/1.3 ui-monospace,Consolas,monospace}.pcg-blueprint{height:235px;position:relative;display:grid;place-items:center;direction:ltr}.pcg-screen{width:220px;height:148px;border:1px solid var(--accent);border-radius:12px;padding:17px;background:var(--bg);z-index:2;box-shadow:12px 12px 0 var(--accent-soft);transform:rotate(-5deg);color:var(--accent)}.pcg-screen>span{font:10px ui-monospace,monospace;letter-spacing:.2em}.pcg-screen i{display:block;height:4px;margin-top:11px;border-radius:8px;background:var(--accent);opacity:.3;width:72%}.pcg-screen i:nth-child(3){width:45%;opacity:.65}.pcg-screen i:nth-child(4){width:58%}.pcg-screen-footer{display:flex;justify-content:space-between;margin-top:12px;font:20px Consolas,monospace}.pcg-screen-footer b{font-size:14px;width:22px;height:22px;text-align:center;border-radius:50%;border:1px solid}.pcg-stand{position:absolute;bottom:16px;width:80px;height:32px;border-bottom:1px solid var(--accent);border-top:1px solid var(--accent);transform:skew(-20deg);opacity:.5}.pcg-orbit{position:absolute;inset:0;border:1px dashed var(--border);border-radius:50%;transform:rotate(-30deg)}.orbit-two{inset:30px -25px;transform:rotate(35deg)}
.pcg-search{margin:22px 0}.pcg-search>label{display:block;margin-bottom:8px;font-size:13px;font-weight:650}.pcg-search>div{display:flex;gap:8px}.pcg-search input{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:15px 18px;width:100%;min-width:0}.pcg-search input::placeholder{color:var(--muted)}.pcg-search button{flex-shrink:0;min-width:85px}.pcg-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:26px 0 38px}.pcg-path{border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:20px;text-align:start;cursor:pointer;display:flex;flex-direction:column;gap:8px;position:relative}.pcg-path strong{font-size:16px;color:var(--accent)}.pcg-path span{font-size:13px;line-height:1.7;color:var(--muted);padding-inline-end:15px}.pcg-path>b{position:absolute;inset-inline-end:14px;bottom:12px;color:var(--accent)}.pcg-path:hover,.pcg-lesson-card:hover{border-color:var(--accent);background:var(--accent-soft)}
.sectitle{font-size:19px!important;font-weight:650!important;letter-spacing:0;margin:32px 0 16px}.pcg-flow-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.troublecard{width:100%;text-align:start;color:var(--text);font:inherit;margin:0;min-width:0;align-items:flex-start}.pcg-flow-grid .troublecard{margin:0}.troublecard+.troublecard{margin-top:10px}.pcg-flow-grid .troublecard+.troublecard{margin-top:0}.troublecard strong{display:block;font-size:15px;line-height:1.5}.pcg-description{display:block;font-size:13px;line-height:1.7;color:var(--muted);margin-top:5px}.pcg-arrow{margin-inline-start:auto;color:var(--accent)}.cat{color:var(--text);font:inherit;display:flex;flex-direction:column;align-items:flex-start;text-align:start;gap:4px}.cat strong{font-size:15px}.cat span{font-size:12px;color:var(--muted)}.cat .em{font-size:23px}.item{width:100%;text-align:start;background:var(--surface);color:var(--text);font:inherit;margin:10px 0;align-items:flex-start}.item .body{min-width:0}.item .risk{margin-top:8px;flex-shrink:0}.item strong{font-size:16px}.item .tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.tag{font-size:11px}.pcg-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.pcg-notice{background:var(--surface2);border:1px solid var(--border);border-inline-start:3px solid var(--accent);padding:14px 18px;border-radius:10px;font-size:13px;line-height:1.85;margin:18px 0}.pcg-caption{font-size:12px;color:var(--muted);line-height:1.8;margin:12px 0 0}.pcg-filters{display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding:14px 18px;border:1px solid var(--border);border-radius:12px;margin:20px 0}.pcg-filters>label{display:flex;align-items:center;gap:8px;font-size:13px}.pcg-filters select{padding:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;max-width:200px}.pcg-check{display:flex;align-items:flex-start;gap:9px;font-size:13px;cursor:pointer}.pcg-check input{width:18px;height:18px;accent-color:var(--accent);flex-shrink:0;margin-top:3px}.pcg-result-count{font-size:13px;color:var(--muted)}.pcg-copy-review{padding:13px;margin:10px 0;background:var(--accent-soft);border-radius:8px}.cmdrow{min-width:0;align-items:flex-start}.cmd{white-space:pre-wrap;overflow-wrap:anywhere;user-select:text;display:block;min-width:0;direction:ltr;text-align:left}.copybtn{flex-shrink:0}.pcg-keys{display:flex;direction:ltr;flex-wrap:wrap;gap:8px;align-items:center;padding:12px}.pcg-keys kbd{padding:7px 12px;border:1px solid var(--border);border-bottom:3px solid var(--border);border-radius:8px;background:var(--bg);font:14px ui-monospace,Consolas,monospace}.gpath{flex-wrap:wrap}.pcg-detail-head{display:flex;align-items:flex-start;gap:20px;justify-content:space-between}.pcg-detail-head h1{font-size:28px;line-height:1.4;margin:0}.detail .block h2{font-size:16px;margin:0 0 10px}.detail>.src,.tstep~.src{display:inline-block;margin:18px 12px}.detail .sub{font-size:16px;line-height:1.85}.tstep h2.do{font-size:18px;line-height:1.65;margin:14px 0}.tstep{margin:18px 0}.tstep .check{margin:16px 0}.pcg-progress{display:flex;gap:18px;align-items:center;justify-content:space-between;border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:18px;margin:24px 0;font-size:14px}.pcg-progress progress{width:45%;height:9px;accent-color:var(--accent)}
.pcg-lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.pcg-lesson-card{display:flex;flex-direction:column;gap:14px;text-align:start;padding:24px;border-radius:16px;border:1px solid var(--border);background:var(--surface);cursor:pointer}.pcg-lesson-card strong{font-size:20px;line-height:1.5}.pcg-lesson-card>span:not(.pcg-eyebrow){font-size:14px;color:var(--muted)}.pcg-lesson-card>b{margin-top:auto;color:var(--accent);font-size:12px}.pcg-terminal{direction:ltr;border:1px solid #35465b;border-radius:16px;overflow:hidden;background:#101b28;color:#dfe8ee;margin:28px 0 12px}.pcg-terminal-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#1b2939;padding:12px 18px;font:11px ui-monospace,monospace;color:#bacada}.pcg-terminal-bar>span:first-child{font-size:8px;letter-spacing:3px;color:#a5bece}.pcg-terminal-code{padding:25px;overflow:auto}.pcg-terminal code{display:block;color:#8bdbb9;font:15px/1.7 ui-monospace,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.pcg-terminal pre{font:13px/1.9 ui-monospace,Consolas,monospace;margin:18px 0 0;white-space:pre}.pcg-quiz{margin:24px 0}.pcg-quiz h2{font-size:20px}.pcg-choices{display:grid;gap:10px;margin:20px 0}.pcg-choices .choice{text-align:start;border:1px solid var(--border);padding:14px;line-height:1.65}.pcg-choices .correct{border-color:var(--green);background:var(--accent-soft)}.pcg-choices .incorrect{border-color:var(--red)}.pcg-feedback:empty{display:none}.pcg-feedback{line-height:1.85}.pcg-glossary{display:grid;grid-template-columns:180px 1fr;gap:0;border:1px solid var(--border);border-radius:14px;overflow:hidden}.pcg-glossary dt,.pcg-glossary dd{margin:0;padding:18px;border-bottom:1px solid var(--border)}.pcg-glossary dt{font-weight:700;background:var(--surface)}.pcg-glossary dd{font-size:14px;color:var(--muted)}.pcg-toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);padding:12px 20px;background:var(--surface2);color:var(--text);border:1px solid var(--accent);border-radius:12px;max-width:calc(100vw - 30px);width:max-content;box-shadow:0 10px 30px #0005;z-index:200000;opacity:0;pointer-events:none;transition:opacity .15s}.pcg-toast.show{opacity:1}.hero h1{line-height:1.35}.footer{line-height:1.9}
@media(max-width:720px){.wrap{padding-inline:16px}.pcg-hero{grid-template-columns:1fr;padding:28px 24px;gap:12px}.pcg-blueprint{display:none}.pcg-hero h1{font-size:35px}.pcg-hero p{font-size:15px}.pcg-paths{grid-template-columns:1fr;gap:8px;margin-bottom:26px}.pcg-path{padding:16px}.pcg-path span{font-size:12px}.pcg-flow-grid,.pcg-lesson-grid{grid-template-columns:1fr}.pcg-filters{gap:14px;padding:13px}.pcg-filters>label:first-child{width:100%}.pcg-detail-head h1{font-size:24px}.detail{padding:20px 16px}.pcg-glossary{grid-template-columns:1fr}.pcg-glossary dt{padding-bottom:7px;border-bottom:0}.pcg-glossary dd{padding-top:7px}.pcg-terminal-bar{flex-wrap:wrap;gap:8px}.pcg-terminal-code{padding:18px}.pcg-stats{gap:24px}.cmdrow{flex-wrap:wrap}.cmdrow .cmd{flex-basis:100%}.copybtn{margin-inline-start:auto}.pcg-progress{font-size:12px}.pcg-search input{padding:13px 11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media print{header,.backbtn,.copybtn,.favbtn,#appnest-assistant-btn,.pcg-copy-review,.pcg-toast{display:none!important}body,.detail,.method,.tstep{background:#fff!important;color:#111!important}.wrap{max-width:none}.src{color:#222}.cmd{border:1px solid #aaa}.detail,.tstep{break-inside:avoid}}

.pcg-network{display:flex;gap:12px;align-items:center;margin:24px 0;direction:ltr}.pcg-network-node{flex:1;border:1px solid var(--border);border-radius:12px;padding:20px 10px;text-align:center;background:var(--surface)}.pcg-network-node b{display:block;color:var(--accent)}.pcg-network-node span{display:block;font-size:12px;color:var(--muted)}.pcg-network-arrow{color:var(--accent)}@media(max-width:600px){.pcg-network{flex-direction:column}.pcg-network-node{width:100%}.pcg-network-arrow{transform:rotate(90deg)}}