@import url('/static/highlight.css');
:root{--bg:#f6f5f1;--panel:#fff;--text:#202d2b;--muted:#697571;--line:#dfE4de;--accent:#176b54;--soft:#e8f0e8;--code:#172b28}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 'Segoe UI',sans-serif}body.dark{--bg:#14201e;--panel:#1c2d29;--text:#e1ebe3;--muted:#a7b8af;--line:#374a40;--soft:#284238}a{color:var(--accent)}.dark a{color:#8ed4b2}aside{position:fixed;inset:0 auto 0 0;width:270px;padding:32px 24px;background:var(--panel);border-right:1px solid var(--line);overflow:auto}.brand{text-decoration:none;font-weight:750;font-size:21px;color:var(--text)}.mark{display:inline-grid;place-items:center;background:var(--accent);color:white;border-radius:10px;width:36px;height:36px;margin-right:8px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--muted);margin:24px 0}nav a{display:block;text-decoration:none;color:var(--text);padding:10px;border-radius:8px}nav a:hover,.topic-link:hover{background:var(--soft)}label{display:block;font-size:13px;margin-top:22px}input,select,textarea{width:100%;padding:11px 13px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:8px;font:inherit}textarea{min-height:140px}.topic-link{display:block;text-decoration:none;font-size:13px;color:var(--muted);padding:6px 10px}.nav-category{font-size:11px;text-transform:uppercase;letter-spacing:1px;margin:22px 10px 6px}footer{font-size:12px;color:var(--muted);padding-top:36px}main{margin-left:270px;padding:0 5vw 60px;max-width:1600px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:24px 0;font-size:11px;letter-spacing:1.5px}.pill,.badge{display:inline-block;border:1px solid var(--line);border-radius:30px;padding:4px 12px;font-size:11px;letter-spacing:.3px}.hero{padding:52px 0 36px;max-width:850px}.hero h1{font-size:clamp(38px,4.3vw,64px);line-height:1.12;font-weight:650;letter-spacing:-2px;margin:14px 0 22px}.hero h1 em{font-style:normal;color:var(--accent)}.hero p{font-size:18px;color:var(--muted);max-width:650px}.eyeline{font-size:11px;letter-spacing:2px;color:var(--accent);font-weight:700}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}button,.button{display:inline-block;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--text);padding:10px 18px;cursor:pointer;text-decoration:none;font:600 13px 'Segoe UI',sans-serif}button:hover,.button:hover{border-color:var(--accent)}button.primary,.button.primary{background:var(--accent);color:white;border-color:var(--accent)}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #d88c3c;outline-offset:3px}.stats{display:flex;gap:38px;padding:22px 0 32px;border-bottom:1px solid var(--line)}.stats strong{font-size:25px;display:block}.stats span{font-size:12px;color:var(--muted)}.section-title{display:flex;justify-content:space-between;align-items:center;margin-top:36px}.section-title h2{font-size:23px;letter-spacing:-.6px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:12px;transition:transform .18s}.card:hover{transform:translateY(-2px)}.card h3{margin:12px 0;font-size:21px;line-height:1.3}.card p{font-size:14px;color:var(--muted)}.card a{text-decoration:none}.card .number{font-size:12px;color:var(--muted)}.banner{margin-top:28px;background:#173f34;color:#f1f4e9;border-radius:12px;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:24px}.banner p{color:#b9cfc2;font-size:14px}.banner h2{margin:0}.muted{color:var(--muted);font-size:13px}.lesson{max-width:850px}.lesson h1{font-size:44px;line-height:1.2;letter-spacing:-1px;margin-bottom:16px}.lesson h2{margin-top:38px;padding-top:20px;border-top:1px solid var(--line);font-size:24px}.lesson h3{font-size:19px}pre{padding:22px;background:var(--code);color:#e3eee7;border-radius:10px;overflow:auto;font-size:13px;line-height:1.7}code{font-family:Consolas,monospace}details{border:1px solid var(--line);border-radius:9px;margin:14px 0;padding:16px;background:var(--panel)}summary{cursor:pointer;font-weight:650}.result{margin-top:14px;border-left:3px solid var(--accent);padding:12px;background:var(--soft);white-space:pre-wrap}.options label{display:flex;align-items:flex-start;gap:10px;margin:10px 0;font-size:15px}.options input{width:auto;margin-top:7px}.quiz-card{padding:20px;margin:14px 0;border:1px solid var(--line);border-radius:10px}.map{display:flex;flex-wrap:wrap;gap:12px}.map>div{flex:1 1 220px;border:1px solid var(--line);background:var(--panel);border-top:3px solid var(--accent);padding:18px;border-radius:9px;font-size:13px}.toc{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.toc a{font-size:12px;padding:5px 10px;border:1px solid var(--line);border-radius:20px;text-decoration:none}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.error{color:#b34b30;background:#fff0e8;padding:14px;border-radius:8px}.review-note{font-size:12px;color:var(--muted);padding:12px;border:1px dashed var(--line);border-radius:8px}.answer{white-space:pre-wrap}#notice:empty{display:none}#notice{margin-top:16px}.progress-bar{height:6px;background:var(--soft);border-radius:5px;margin:12px 0}.progress-bar progress{width:100%;height:6px;accent-color:var(--accent)}@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}aside{width:230px}main{margin-left:230px;padding:0 28px 40px}}@media(max-width:720px){aside{position:relative;width:100%;padding:18px;border-right:none;border-bottom:1px solid var(--line)}aside .eyebrow,aside footer,#topic-nav{display:none}nav{display:flex;flex-wrap:wrap}main{margin:0;padding:0 20px 40px}.hero{padding-top:30px}.grid,.form-grid{grid-template-columns:1fr}.stats{gap:24px}.banner{display:block}.lesson h1{font-size:34px}}

.answer-framework{margin:22px 0}.answer-framework h3{margin:20px 0 6px;padding:0;font-size:15px;line-height:1.4;font-weight:750;color:var(--accent)}.answer-framework h3:first-child{margin-top:0}.answer-framework p{margin:0 0 4px}.answer-framework h3:not(:first-child){padding-top:14px;border-top:1px solid var(--line)}.dark .answer-framework h3,.dark .hero h1 em,.dark .eyeline{color:#8ed4b2}
[hidden]{display:none!important}
.hero.compact{padding:38px 0 24px}.hero.compact h1{font-size:clamp(34px,4vw,54px)}
.review-toolbar{display:flex;align-items:end;gap:18px;flex-wrap:wrap;margin-bottom:20px}.review-toolbar label{min-width:200px;margin:0}.review-toolbar .actions{margin:0}.recall-checklist{margin-bottom:24px}.recall-checklist ul{columns:2;margin-bottom:10px;font-size:14px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.recall-card{padding:20px;background:var(--panel);border:1px solid var(--line);border-top:4px solid #3b70c9;border-radius:10px;min-width:0}.recall-card[data-tone="1"],.mindmap-track[data-tone="1"]{border-top-color:#c6753c}.recall-card[data-tone="2"],.mindmap-track[data-tone="2"]{border-top-color:#218875}.recall-card[data-tone="3"],.mindmap-track[data-tone="3"]{border-top-color:#9260bd}.recall-card h2{font-size:20px;line-height:1.3;margin:10px 0}.recall-card .number{color:var(--muted);font-size:10px;letter-spacing:.7px;text-transform:uppercase}.recall-cue{font-size:13px;color:var(--accent);font-weight:600}.recall-card details{padding:11px;font-size:13px}.recap-body ul{padding-left:18px}.recall-card pre{font-size:11px;padding:12px;max-height:300px}.recall-checkbox{display:flex;align-items:flex-start;gap:9px;font-size:13px;margin:18px 0 12px}.recall-checkbox input{width:auto;margin-top:5px}.recall-card>a{font-size:12px}.mini-map{display:grid;gap:10px;margin:16px 0}.mini-map>div{padding-left:12px;border-left:2px solid var(--line)}.mini-map p{font-size:12px;margin:4px 0;color:var(--muted)}.map-root{text-align:center;margin:28px auto;padding:24px;background:var(--soft);border:1px solid var(--line);border-radius:12px;font-size:24px;font-weight:700;max-width:550px}.mindmap-tracks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.mindmap-track{border:1px solid var(--line);border-top:4px solid #3b70c9;border-radius:10px;background:var(--panel);padding:20px}.mindmap-track h2{margin:0 0 18px;font-size:23px}.mindmap-track details{margin-left:12px;border-left:3px solid var(--soft)}
.cloud-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 25px}.cloud-diagram{display:grid;grid-template-columns:180px minmax(0,1fr) 190px;gap:14px;margin:24px 0}.diagram-panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;min-width:0;font-size:12px}.diagram-panel h3{font-size:17px;line-height:1.3;margin:8px 0 14px}.diagram-panel .eyeline{font-size:9px;letter-spacing:1px}.diagram-panel .muted{font-size:11px}.source-panel{grid-column:1;grid-row:1/4}.control-plane{grid-column:2;grid-row:1;border-top:4px solid #db7351}.identity-panel{grid-column:3;grid-row:1}.compute-planes{grid-column:2;grid-row:2;display:grid;grid-template-columns:1fr 1fr;gap:12px}.classic-plane{border-top:4px solid #4b8dbe}.serverless-plane{border-top:4px solid #9671c3}.consumer-panel{grid-column:3;grid-row:2}.storage-plane{grid-column:2;grid-row:3;border-top:4px solid #54a17a}.network-panel{grid-column:3;grid-row:3}.governance-plane{grid-column:1/-1;background:var(--soft);font-size:13px}.governance-plane p{margin-bottom:0}.architecture-tags{display:flex;gap:6px;flex-wrap:wrap}.architecture-tags span{padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);font-size:11px}.source-panel .architecture-tags,.consumer-panel .architecture-tags,.network-panel .architecture-tags{display:grid}.flow-label{display:block;font-size:11px;font-weight:700;color:var(--accent);margin:16px 0}.practice-grid{margin-top:24px}.code-editor{display:block;font:14px/1.7 Consolas,monospace;min-height:360px;tab-size:4;background:var(--code);color:#e3eee7;resize:vertical;margin:10px 0}.score-table{width:100%;border-collapse:collapse;font-size:13px}.score-table th,.score-table td{padding:10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.score-table td:nth-child(2){white-space:nowrap}.coding-lesson{max-width:1000px}.dark .recall-cue,.dark .flow-label{color:#8ed4b2}
@media(max-width:1250px){.cloud-diagram{grid-template-columns:140px minmax(0,1fr)}.identity-panel,.consumer-panel,.network-panel{grid-column:1;grid-row:auto}.source-panel{grid-row:1/3}.control-plane{grid-row:1}.compute-planes{grid-row:2}.storage-plane{grid-row:3/6}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.cloud-diagram{display:flex;flex-direction:column}.compute-planes{display:grid}.review-grid,.mindmap-tracks{grid-template-columns:1fr}.recall-checklist ul{columns:1}.review-toolbar{align-items:stretch}.review-toolbar label{flex:1 1 180px}.score-table{font-size:12px}.score-table td,.score-table th{padding:8px 5px}}
@media(max-width:500px){.compute-planes{grid-template-columns:1fr}.code-editor{font-size:12px}.diagram-panel{padding:16px}}
.guided-editor{position:relative;height:430px;margin:12px 0;background:#172b28;border:1px solid #657d72;border-radius:10px;overflow:hidden}
.guided-editor .code-editor,.guided-editor .editor-paint,.guided-editor .editor-lines{position:absolute;top:0;bottom:0;margin:0;border:0;border-radius:0;font:14px/24px Consolas,'Courier New',monospace;letter-spacing:normal;tab-size:4;white-space:pre;box-sizing:border-box}
.guided-editor .code-editor,.guided-editor .editor-paint{left:48px;width:calc(100% - 48px);height:100%;padding:16px;min-height:0}
.guided-editor .editor-paint{color:#e3eee7;pointer-events:none;overflow:hidden;background:transparent}
.guided-editor .code-editor{color:transparent;-webkit-text-fill-color:transparent;caret-color:#fff;background:transparent;resize:none;overflow:auto;z-index:1}
.guided-editor .code-editor::selection{background:#477b7599}
.guided-editor .code-editor:focus{outline:2px solid #9ad9b7;outline-offset:-2px}
.guided-editor .editor-lines{left:0;width:48px;padding:16px 8px;color:#b1c4bb;text-align:right;background:#213832;overflow:hidden;pointer-events:none}
.guided-editor .token-keyword{color:#92d8ff}.guided-editor .token-string{color:#e7c58c}.guided-editor .token-number{color:#c8b4ff}.guided-editor .token-comment{color:#a5b9ac}
.guidance-box{border-left:4px solid var(--accent);padding:12px 20px;background:var(--soft);margin:20px 0}.guidance-box h2{margin-top:0}.editor-status{font-size:12px}
@media(forced-colors:active){.guided-editor .code-editor{color:CanvasText;-webkit-text-fill-color:CanvasText;background:Canvas;caret-color:CanvasText}.editor-paint{display:none}}

.bite-card h2{font-size:21px;line-height:1.4;margin:14px 0}.bite-answer{font-weight:600}.rapid-card{max-width:850px;margin:20px auto}.rapid-card h2{line-height:1.4}.rapid-card textarea{min-height:100px}.review-toolbar[hidden],.actions[hidden]{display:none!important}

.choice-option{padding:12px;margin:10px 0;background:var(--soft);border-radius:8px}.choice-option input{width:auto;margin-right:8px}#choice-form fieldset{border:1px solid var(--line);border-radius:8px;margin:16px 0}#choice-setup{margin-bottom:24px}#choice-track{max-width:360px;margin-bottom:16px}

.studio-tabs{display:flex;gap:8px;margin:0 0 24px;border-bottom:1px solid var(--line);padding-bottom:12px;flex-wrap:wrap}.studio-tabs [aria-selected="true"]{background:var(--accent);color:#fff;border-color:var(--accent)}.studio-tabs button:focus-visible{outline:3px solid #86b8ff;outline-offset:3px}.studio-panel[hidden]{display:none!important}