@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&display=swap";:root{--bg: #fafcfb;--bg-elev: #ffffff;--bg-soft: #eef3f0;--bg-rail: #f4f8f5;--text: #1b1c1e;--text-soft: #5b5e63;--text-dim: #9a9da3;--border: #e7ece9;--border-strong: #dbe2dd;--brand: #34403a;--brand-2: #4a564f;--brand-soft: #e6efe9;--brand-text: #34403a;--on-brand: #ffffff;--accent: #4f6f64;--accent-tint: #eaf0ed;--ok: #3f7d54;--warn: #9a6a2e;--err: #b04a45;--code-bg: #1b1d1f;--code-text: #e7e6e2;--shadow-sm: 0 1px 2px rgba(28,28,30,.04);--shadow: 0 1px 2px rgba(28,28,30,.05), 0 1px 1px rgba(28,28,30,.03);--shadow-md: 0 8px 24px rgba(28,28,30,.07);--shadow-lg: 0 24px 60px rgba(28,28,30,.16);--radius: 10px;--radius-lg: 16px;--rail-w: 76px;--sidebar-w: 274px;--maxw: 1120px;--readw: 900px;--mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;--sans: "Inter", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", Roboto, "Noto Sans KR", sans-serif;--serif: "Newsreader", "Apple SD Gothic Neo", Georgia, "Noto Serif KR", serif}html[data-theme=dark]{--bg: #0c0e0d;--bg-elev: #151716;--bg-soft: #1b1e1c;--bg-rail: #0f1110;--text: #ecebe7;--text-soft: #a8a8a2;--text-dim: #71726d;--border: #262a27;--border-strong: #333830;--brand: #bdc9c2;--brand-2: #9eaaa3;--brand-soft: #1d231f;--brand-text: #cad6cf;--on-brand: #141816;--accent: #8fb3a4;--accent-tint: #20272a;--code-bg: #0a0b0b;--code-text: #e7e6e2;--shadow-sm: 0 1px 2px rgba(0,0,0,.4);--shadow: 0 1px 3px rgba(0,0,0,.45);--shadow-md: 0 8px 24px rgba(0,0,0,.5);--shadow-lg: 0 20px 56px rgba(0,0,0,.62)}html[data-accent=slate]{--bg: #fafbfc;--bg-soft: #eef1f4;--bg-rail: #f4f6f9;--border: #e6eaef;--border-strong: #dae0e7;--brand: #353d49;--brand-2: #4b535f;--brand-soft: #e6ebf1;--brand-text: #353d49;--accent: #566a82;--accent-tint: #e9edf2}html[data-accent=clay]{--bg: #fdfbfa;--bg-soft: #f3efeb;--bg-rail: #f9f6f3;--border: #ece5e0;--border-strong: #e2dad1;--brand: #43382f;--brand-2: #594c41;--brand-soft: #efe7e0;--brand-text: #43382f;--accent: #9a6650;--accent-tint: #f1eae6}html[data-accent=plum]{--bg: #fcfbfc;--bg-soft: #f1eef3;--bg-rail: #f7f5f9;--border: #eae6ec;--border-strong: #e0dae4;--brand: #3c3540;--brand-2: #524956;--brand-soft: #ece6f0;--brand-text: #3c3540;--accent: #6f5d7e;--accent-tint: #eeebf1}html[data-accent=graphite]{--bg: #fbfbfa;--bg-soft: #f4f4f2;--bg-rail: #f9f9f7;--border: #eceae6;--border-strong: #e0ded9;--brand: #2f3437;--brand-2: #474c50;--brand-soft: #f0efeb;--brand-text: #2f3437;--accent: #5b6166;--accent-tint: #eceded}html[data-theme=dark][data-accent=slate]{--bg: #0c0d0f;--bg-soft: #1b1d20;--bg-rail: #0f1012;--border: #25272b;--border-strong: #323640;--brand: #b6c0cc;--brand-2: #97a2af;--brand-soft: #1c2027;--brand-text: #c3cdd9;--accent: #93a7c0;--accent-tint: #1d2530}html[data-theme=dark][data-accent=clay]{--bg: #0f0d0c;--bg-soft: #201c1a;--bg-rail: #120f0e;--border: #2b2724;--border-strong: #3a342e;--brand: #ccc0b6;--brand-2: #afa297;--brand-soft: #241e1a;--brand-text: #d9cdc3;--accent: #c79784;--accent-tint: #2b231f}html[data-theme=dark][data-accent=plum]{--bg: #0e0c0f;--bg-soft: #1e1b20;--bg-rail: #110f12;--border: #292630;--border-strong: #373240;--brand: #c4bacb;--brand-2: #a597af;--brand-soft: #221d27;--brand-text: #d1c8d9;--accent: #b0a0bf;--accent-tint: #261f2b}html[data-theme=dark][data-accent=graphite]{--bg: #0d0e0e;--bg-soft: #1d1e1e;--bg-rail: #101111;--border: #272826;--border-strong: #34352f;--brand: #c9c9c2;--brand-2: #a9a9a2;--brand-soft: #232422;--brand-text: #d6d6cf;--accent: #a9aeb2;--accent-tint: #232527}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--brand-text);text-decoration:none}a:hover{text-decoration:underline}::selection{background:color-mix(in srgb,var(--brand) 26%,transparent)}.layout{display:flex;min-height:100vh}.cat-rail{width:var(--rail-w);flex-shrink:0;background:var(--bg-rail);border-right:1px solid var(--border);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 8px;overflow-y:auto;z-index:40}.cat-rail::-webkit-scrollbar{width:0}.rail-logo{width:40px;height:40px;border-radius:11px;margin-bottom:10px;display:grid;place-items:center;color:var(--on-brand);font-family:var(--serif);font-size:20px;font-weight:600;background:var(--brand);box-shadow:none}.rail-logo:hover{text-decoration:none}.search-trigger svg{width:15px;height:15px;stroke:currentColor}.search-bar .search-ic svg{width:17px;height:17px;stroke:var(--text-dim)}.rail-logo:hover{text-decoration:none;filter:brightness(1.05)}.rail-btn{width:100%;max-width:60px;border-radius:12px;padding:9px 2px 7px;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--text-soft);position:relative;transition:background .12s,color .12s}.rail-btn:hover{background:var(--bg-soft);color:var(--text);text-decoration:none}.rail-btn .rail-ic{line-height:0}.rail-btn .rail-ic svg{width:20px;height:20px;display:block;stroke:currentColor}.rail-btn .rail-lb{font-size:10px;font-weight:600;letter-spacing:-.2px}.rail-btn.active{background:var(--brand-soft);color:var(--brand-text)}.rail-btn.active:before{content:"";position:absolute;left:-8px;top:50%;transform:translateY(-50%);width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--brand)}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--bg-elev);border-right:1px solid var(--border);position:sticky;top:0;height:100vh;overflow-y:auto;padding:16px 12px 48px}.sb-head{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;letter-spacing:-.2px;padding:8px 10px 14px;color:var(--text)}.sb-head .sb-ic{font-size:17px}.sb-section{margin-bottom:4px}.sb-sectitle{width:100%;display:flex;align-items:center;gap:9px;cursor:pointer;background:none;border:none;color:var(--text);font-family:inherit;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:10px;text-align:left;border-radius:8px;transition:color .15s,background .15s}.sb-sectitle:hover{background:var(--bg-soft)}.sb-sectitle .chev{display:inline-grid;place-items:center;width:20px;height:20px;flex-shrink:0;font-size:12px;font-weight:800;line-height:1;border-radius:6px;border:1px solid var(--line);color:var(--text-dim);transition:transform .2s,color .15s,background .15s,border-color .15s}.sb-section:not(.collapsed)>.sb-sectitle{color:var(--text)}.sb-section:not(.collapsed)>.sb-sectitle .chev{color:var(--on-brand);background:var(--accent);border-color:var(--accent)}.sb-section.collapsed>.sb-sectitle{color:var(--text-dim)}.sb-section.collapsed>.sb-sectitle .chev{transform:rotate(-90deg)}.sb-section.collapsed .sb-list{display:none}.sb-toplink{margin:1px 0}.sb-list{display:flex;flex-direction:column;gap:1px}.sb-section .sb-list{margin:2px 0 4px 13px;padding-left:9px;border-left:1px solid var(--border)}.sb-section .sb-list .navlink{padding-top:6px;padding-bottom:6px;font-size:13.5px}.navlink{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:8px;color:var(--text-soft);font-size:14px;font-weight:500;line-height:1.35}.navlink:hover{background:var(--bg-soft);color:var(--text);text-decoration:none}.navlink .num{flex-shrink:0;font-size:11px;font-weight:700;min-width:22px;height:22px;padding:0 4px;border-radius:6px;display:grid;place-items:center;background:var(--bg-soft);color:var(--text-dim)}.navlink.active{background:var(--brand-soft);color:var(--brand-text);font-weight:700}.navlink.active .num{background:var(--brand);color:var(--on-brand)}.content{flex:1;min-width:0}.topbar{display:flex;align-items:center;gap:12px;padding:0 26px;height:56px;border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg-elev) 82%,transparent);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);position:sticky;top:0;z-index:30}.topbar .crumb{color:var(--text-dim);font-size:13.5px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .crumb b{color:var(--text);font-weight:700}.topbar .actions{display:flex;align-items:center;gap:8px;margin-left:auto}.icon-btn{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);width:34px;height:34px;border-radius:9px;cursor:pointer;display:grid;place-items:center;font-size:15px}.icon-btn:hover{color:var(--text);border-color:var(--brand)}.icon-btn svg{width:17px;height:17px;stroke:currentColor}.hamburger{display:none}.accent-wrap{position:relative;display:inline-flex}.accent-btn.accent-btn{color:var(--accent)}.accent-pop{position:absolute;top:calc(100% + 8px);right:0;z-index:60;min-width:176px;padding:7px;border-radius:12px;background:var(--bg-elev);border:1px solid var(--border-strong);box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .14s,transform .14s,visibility .14s}.accent-wrap.open .accent-pop{opacity:1;visibility:visible;transform:translateY(0)}.accent-pop-title{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-dim);padding:4px 8px 6px}.accent-opt{width:100%;display:flex;align-items:center;gap:10px;cursor:pointer;background:none;border:none;font-family:inherit;font-size:13.5px;color:var(--text-soft);padding:7px 8px;border-radius:8px;text-align:left}.accent-opt:hover{background:var(--bg-soft);color:var(--text)}.accent-opt.on{color:var(--text);font-weight:600}.accent-swatch{width:16px;height:16px;border-radius:50%;flex-shrink:0;box-shadow:0 0 0 1px var(--border) inset}.accent-opt.on .accent-swatch{box-shadow:0 0 0 2px var(--bg-elev) inset,0 0 0 3.5px var(--accent)}.article{max-width:var(--maxw);margin:0 auto;padding:38px 34px 96px}.article h1,.article h2,.article h3,.article h4,.article .pat,.ex{scroll-margin-top:84px}.article>p,.article>ul,.article>ol,.article>h1,.article>h2,.article>h3,.article>h4,.article>.lead,.article>.callout,.article>.analogy,.article>.steps,.article>.hero,.article>.codeblock,.article>.playground,.article>table,.article>.cards,.article>.diagram,.article>.apisim,.article>.codeslides,.article>.quiz{max-width:var(--readw)}[data-readwidth=narrow]{--readw: 720px}[data-readwidth=wide]{--readw: 1160px;--maxw: 1440px}.article h1{font-family:var(--serif);font-size:37px;font-weight:560;letter-spacing:-.012em;margin:6px 0 10px;line-height:1.16}.article .lead{font-size:18px;line-height:1.68;margin:0 0 34px;color:var(--text-soft);font-weight:400}.article h2{font-family:var(--serif);font-size:26px;font-weight:540;margin:52px 0 14px;padding-top:22px;border-top:1px solid var(--border);letter-spacing:-.01em;line-height:1.25}.article h3{font-size:17.5px;font-weight:650;margin:32px 0 10px;letter-spacing:-.01em}.article h4{font-size:14px;font-weight:650;margin:22px 0 8px;color:var(--text-soft);letter-spacing:.01em}.article p{margin:13px 0}.article ul,.article ol{padding-left:22px;margin:13px 0}.article li{margin:6px 0}.article strong{font-weight:700}.article hr{border:none;border-top:1px solid var(--border);margin:34px 0}.article code:not([class]){font-family:var(--mono);font-size:.86em;background:var(--bg-soft);color:var(--brand-text);padding:2px 6px;border-radius:6px;border:1px solid var(--border)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px;margin:26px 0}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);display:block;color:inherit;transition:transform .14s,border-color .14s,box-shadow .14s}a.card:hover{text-decoration:none;transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-md)}.card .card-num{font-size:11.5px;font-weight:800;color:var(--brand-text);letter-spacing:.02em;text-transform:uppercase}.card h3{margin:8px 0 6px;font-size:17px;letter-spacing:-.2px}.card p{margin:0;color:var(--text-soft);font-size:13.5px}.callout{border:1px solid var(--border);border-left:3px solid var(--accent);background:var(--bg-elev);border-radius:12px;padding:14px 16px;margin:18px 0;box-shadow:var(--shadow-sm)}.callout .callout-title{font-weight:700;margin-bottom:4px}.callout.tip{border-left-color:var(--ok)}.callout.warn{border-left-color:var(--warn)}.callout.danger{border-left-color:var(--err)}.callout.note{border-left-color:var(--brand)}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}.usage{border:1px solid var(--border);border-left:3px solid var(--brand);background:var(--bg-elev);border-radius:12px;padding:14px 16px;margin:18px 0;box-shadow:var(--shadow-sm)}.usage .usage-title{font-weight:700;font-size:13px;color:var(--brand-text);letter-spacing:.02em;margin-bottom:5px}.usage ul{margin:6px 0 0;padding-left:20px}.usage li{margin:5px 0}.usage li b{color:var(--text)}.analogy{background:linear-gradient(180deg,var(--brand-soft),transparent);border:1px solid var(--border);border-radius:12px;padding:13px 16px;margin:15px 0;font-size:14.5px}.analogy:before{content:"비유";display:inline-block;font-weight:800;color:var(--brand-text);font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-right:8px}.article table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;border:1px solid var(--border);border-radius:10px;overflow:hidden}.article th,.article td{border-bottom:1px solid var(--border);padding:10px 13px;text-align:left;vertical-align:top}.article th{background:var(--bg-soft);font-weight:700}.article tbody tr:last-child td{border-bottom:none}.article tbody tr:hover td{background:color-mix(in srgb,var(--brand) 4%,transparent)}.codeblock{position:relative;margin:18px 0}.codeblock pre{margin:0;background:var(--code-bg);color:var(--code-text);border:1px solid var(--border-strong);border-radius:12px;padding:18px 20px;overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.7}.codeblock .cb-tools{position:absolute;top:9px;right:9px;display:flex;gap:6px;opacity:.55;transition:opacity .12s}.codeblock:hover .cb-tools{opacity:1}.codeblock .copy-btn,.codeblock .expand-btn{background:#ffffff14;color:#cbd5e1;border:1px solid rgba(255,255,255,.14);border-radius:7px;font-size:12px;padding:4px 9px;cursor:pointer}.codeblock .copy-btn:hover,.codeblock .expand-btn:hover{background:#ffffff2e;color:#fff}.tok-key{color:#c792ea}.tok-str{color:#c3e88d}.tok-com{color:#6b7a8d;font-style:italic}.tok-num{color:#f78c6c}.tok-fn{color:#82aaff}.tok-tag{color:#f07178}.term{border-bottom:1.5px dotted var(--accent);cursor:help;font-weight:600;white-space:nowrap}.term .q{font-size:.62em;font-weight:800;color:var(--on-brand);background:var(--accent);border-radius:50%;padding:0 .34em;margin-left:2px;vertical-align:top;position:relative;top:-.1em;cursor:pointer}.term:hover{background:var(--brand-soft)}#tooltip{position:fixed;z-index:100;max-width:300px;background:var(--text);color:var(--bg-elev);padding:9px 12px;border-radius:9px;font-size:13px;line-height:1.5;box-shadow:var(--shadow-lg);pointer-events:none;opacity:0;transform:translateY(4px);transition:opacity .12s,transform .12s}#tooltip.show{opacity:1;transform:translateY(0)}#tooltip .tt-term{font-weight:800;display:block;margin-bottom:2px}#tooltip .tt-more{display:block;margin-top:5px;font-size:11.5px;opacity:.8}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c128c;display:none;align-items:center;justify-content:center;z-index:120;padding:20px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-overlay.show{display:flex}.modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;max-width:540px;width:100%;max-height:84vh;overflow-y:auto;box-shadow:var(--shadow-lg);padding:24px 26px}.modal .modal-kicker{font-size:12px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}.modal h3{margin:4px 0 12px;font-size:22px}.modal .modal-body{color:var(--text-soft)}.modal .modal-body p{margin:10px 0}.modal .modal-example{margin-top:14px}.modal .modal-related{margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:13.5px}.modal .modal-related .chip{display:inline-block;background:var(--brand-soft);color:var(--brand-text);border-radius:999px;padding:3px 11px;margin:3px 4px 0 0;font-size:13px;cursor:pointer;font-weight:600}.modal .modal-close{float:right;border:none;background:var(--bg-soft);color:var(--text-soft);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:18px}.modal .modal-close:hover{color:var(--text)}.playground{border:1px solid var(--border-strong);border-radius:14px;overflow:hidden;margin:18px 0;background:var(--bg-elev);box-shadow:var(--shadow-sm)}.pg-head{display:flex;align-items:center;justify-content:space-between;padding:9px 13px;background:var(--bg-soft);border-bottom:1px solid var(--border)}.pg-variant{display:inline-flex;background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:8px;overflow:hidden;margin-right:10px}.pg-variant .pg-vbtn{border:none;background:transparent;color:var(--text-soft);font-family:inherit;font-size:12px;font-weight:700;padding:4px 11px;cursor:pointer}.pg-variant .pg-vbtn.active{background:var(--brand);color:var(--on-brand)}.pg-head .pg-title{font-size:13px;font-weight:700;color:var(--text-soft);display:flex;gap:7px;align-items:center}.pg-actions{display:flex;gap:7px}.pg-btn{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text);border-radius:8px;padding:5px 12px;font-size:12.5px;font-weight:600;cursor:pointer}.pg-btn:hover{border-color:var(--brand)}.pg-btn.run{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}.pg-btn.run:hover{filter:brightness(1.07)}.pg-body{display:grid;grid-template-columns:1.15fr 1fr;min-height:300px}.pg-body.stacked{grid-template-columns:1fr}.pg-editor{border-right:1px solid var(--border);position:relative}.pg-body.stacked .pg-editor{border-right:none;border-bottom:1px solid var(--border)}.pg-editor textarea{width:100%;height:100%;min-height:300px;border:none;resize:vertical;font-family:var(--mono);font-size:14px;line-height:1.7;padding:16px 18px;background:var(--code-bg);color:var(--code-text);-moz-tab-size:2;tab-size:2;outline:none;display:block}.pg-result{display:flex;flex-direction:column;background:var(--bg-elev)}.pg-result .pg-preview{flex:1}.pg-result iframe{width:100%;height:100%;min-height:240px;border:none;background:var(--bg-elev)}.pg-console{font-family:var(--mono);font-size:12px;padding:8px 12px;background:#1a1f29;color:#9aa6b6;border-top:1px solid #2a3543;max-height:120px;overflow-y:auto;white-space:pre-wrap;display:none}.pg-console.show{display:block}.pg-console.error{color:#fca5a5}.codemirror-wrap .CodeMirror{height:auto;min-height:220px;font-family:var(--mono);font-size:13px}.big-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c129e;z-index:200;display:none;align-items:center;justify-content:center;padding:24px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.big-overlay.show{display:flex}.big-modal{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;width:min(1400px,96vw);height:92vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);overflow:hidden}.big-modal-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 15px;border-bottom:1px solid var(--border);background:var(--bg-soft)}.big-modal-bar .big-title{font-weight:700;font-size:14px;color:var(--text-soft)}.big-modal-close{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text);border-radius:8px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer}.big-modal-close:hover{border-color:var(--brand)}.big-modal-host{flex:1;min-height:0;display:flex;padding:15px;overflow:auto}.big-modal-host .playground{flex:1;margin:0}.big-modal-host>pre{flex:1;margin:0;background:var(--code-bg);color:var(--code-text);border-radius:12px;padding:20px 22px;overflow:auto;font-family:var(--mono);font-size:15px;line-height:1.75}.playground.pg-expanded .pg-body,.playground.pg-expanded .pg-editor textarea,.playground.pg-expanded .pg-result iframe{min-height:74vh}.diagram{border:1px solid var(--border-strong);border-radius:14px;background:var(--bg-elev);box-shadow:var(--shadow-sm);margin:18px 0;overflow:hidden}.diagram .viz-stage{padding:24px 20px;min-height:240px}.diagram .viz-step{display:none}.diagram .viz-step.active{display:block;animation:vizfade .25s ease}@keyframes vizfade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.viz-caption{font-size:14.5px;color:var(--text-soft);margin:0 0 16px;min-height:44px}.viz-caption b{color:var(--text)}.viz-controls{display:flex;align-items:center;gap:10px;padding:11px 15px;border-top:1px solid var(--border);background:var(--bg-soft)}.viz-controls .viz-btn{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text);border-radius:8px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer}.viz-controls .viz-btn:hover:not(:disabled){border-color:var(--brand)}.viz-controls .viz-btn:disabled{opacity:.4;cursor:default}.viz-controls .viz-btn.primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}.viz-controls .viz-pos{font-size:13px;color:var(--text-dim);margin-left:auto}.viz-dots{display:flex;gap:6px}.viz-dots .dot{width:8px;height:8px;border-radius:50%;background:var(--border-strong)}.viz-dots .dot.on{background:var(--brand)}.viz-row{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.viz-col{display:flex;flex-direction:column;align-items:center;gap:8px}.viz-node{border:2px solid var(--border-strong);border-radius:10px;background:var(--bg-soft);padding:10px 14px;font-family:var(--mono);font-size:13px;font-weight:600;min-width:76px;text-align:center;transition:all .3s}.viz-node .viz-tag{display:block;font-size:10.5px;color:var(--text-dim);font-family:var(--sans);font-weight:600}.viz-node.is-changed{border-color:var(--warn);background:color-mix(in srgb,var(--warn) 16%,var(--bg-elev));color:var(--text)}.viz-node.is-same{opacity:.5}.viz-node.is-active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-text);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 16%,transparent)}.viz-node.is-applied{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,var(--bg-elev))}.viz-arrow{font-size:22px;color:var(--text-dim)}.viz-label-col{font-size:12px;font-weight:700;color:var(--text-dim);width:64px;text-align:right}.viz-box{border:1.5px solid var(--border-strong);border-radius:10px;padding:10px 14px;background:var(--bg-soft);font-size:13.5px;min-width:110px;text-align:center;transition:all .3s}.viz-box.is-active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-text)}.viz-box.is-cache{border-color:var(--accent)}.viz-box.is-stale{border-style:dashed;opacity:.6}.viz-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-soft);margin-top:16px;justify-content:center}.viz-legend span{display:inline-flex;align-items:center;gap:6px}.viz-legend i{width:14px;height:14px;border-radius:4px;display:inline-block;border:2px solid}.viz-legend i.changed{border-color:var(--warn);background:color-mix(in srgb,var(--warn) 16%,transparent)}.viz-legend i.active{border-color:var(--brand);background:var(--brand-soft)}.viz-legend i.applied{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,transparent)}.apisim{border:1px solid var(--border-strong);border-radius:14px;background:var(--bg-elev);box-shadow:var(--shadow-sm);margin:18px 0;overflow:hidden}.apisim-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:11px 15px;background:var(--bg-soft);border-bottom:1px solid var(--border)}.apisim-method{font-family:var(--mono);font-weight:800;font-size:12px;color:#fff;border-radius:6px;padding:3px 8px;letter-spacing:.03em}.apisim-method.get{background:#16a34a}.apisim-method.post{background:var(--brand);color:var(--on-brand)}.apisim-method.put{background:#d97706}.apisim-method.delete{background:#dc2626}.apisim-url{font-family:var(--mono);font-size:13.5px;color:var(--text)}.apisim-send{margin-left:auto;border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);border-radius:8px;padding:6px 14px;font-size:12.5px;font-weight:700;cursor:pointer}.apisim-send:hover{filter:brightness(1.07)}.apisim-send:disabled{opacity:.6;cursor:default}.apisim-body{display:grid;grid-template-columns:1fr 1fr}.apisim-pane{padding:12px 15px;min-width:0}.apisim-pane+.apisim-pane{border-left:1px solid var(--border)}.apisim-pane .apisim-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin-bottom:6px}.apisim-pane pre{margin:0;background:var(--code-bg);color:var(--code-text);border-radius:8px;padding:12px 14px;overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.6;min-height:60px}.apisim-status{font-family:var(--mono);font-size:12px;font-weight:700;margin-bottom:6px}.apisim-status.ok{color:var(--ok)}.apisim-status.err{color:var(--err)}.apisim-status.wait{color:var(--text-dim)}.apisim-note{padding:9px 15px;border-top:1px solid var(--border);font-size:13px;color:var(--text-soft);background:var(--bg-soft)}.search-trigger{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:9px;padding:6px 10px;font-family:inherit;font-size:13px;cursor:pointer}.search-trigger:hover{border-color:var(--brand);color:var(--text)}.search-trigger .kbd{font-size:11px;font-weight:700;background:var(--bg-soft);border:1px solid var(--border);border-radius:5px;padding:1px 5px;color:var(--text-dim)}@media(max-width:600px){.search-trigger span{display:none}}.search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c1280;z-index:150;display:none;justify-content:center;align-items:flex-start;padding:64px 16px 16px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.search-overlay.show{display:flex}.search-box{width:100%;max-width:680px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;max-height:78vh}.search-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border)}.search-bar .search-ic{font-size:16px}.search-input{flex:1;border:none;outline:none;background:none;color:var(--text);font-family:inherit;font-size:16px}.search-close{border:1px solid var(--border-strong);background:var(--bg-soft);color:var(--text-dim);border-radius:6px;font-size:11px;padding:3px 8px;cursor:pointer}.search-results{overflow-y:auto;padding:8px}.search-hint,.search-count{padding:14px 12px;color:var(--text-dim);font-size:13px}.search-count{padding:8px 12px 4px;font-weight:700}.sr-group{margin-bottom:8px}.sr-gtitle{font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-text);padding:8px 12px 4px}.sr-gtitle span{color:var(--text-dim);font-weight:600}.sr-item{display:block;padding:9px 12px;border-radius:9px;color:inherit}.sr-item:hover{background:var(--bg-soft);text-decoration:none}.sr-head{font-size:14px}.sr-head b{font-weight:700}.sr-head .sr-sec{color:var(--text-soft);font-weight:500}.sr-snip{font-size:12.5px;color:var(--text-soft);margin-top:2px;line-height:1.5;max-height:3.2em;overflow:hidden}.sr-more{font-size:12px;color:var(--text-dim);padding:2px 12px 6px}.search-results mark{background:color-mix(in srgb,var(--brand) 30%,transparent);color:inherit;border-radius:3px;padding:0 1px;font-weight:700}.dict-trigger{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:9px;padding:6px 10px;font-family:inherit;font-size:13px;cursor:pointer}.dict-trigger:hover{border-color:var(--brand);color:var(--text)}.dict-trigger svg{width:15px;height:15px;stroke:currentColor}.dict-trigger .kbd{font-size:11px;font-weight:700;background:var(--bg-soft);border:1px solid var(--border);border-radius:5px;padding:1px 5px;color:var(--text-dim)}@media(max-width:600px){.dict-trigger span:not(.kbd){display:none}.dict-trigger .kbd{display:none}}.dict-pop{position:absolute;z-index:200;transform:translate(-50%);display:none;align-items:center;gap:5px;padding:5px 11px;font-family:inherit;font-size:12.5px;font-weight:700;color:var(--on-brand);background:var(--brand);border:none;border-radius:8px;cursor:pointer;box-shadow:var(--shadow-md, 0 4px 14px rgba(0,0,0,.22));white-space:nowrap}.dict-pop.show{display:inline-flex}.dict-pop svg{width:14px;height:14px;stroke:currentColor}.dict-pop:after{content:"";position:absolute;bottom:-5px;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:var(--brand);border-bottom:0}.dict-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c1280;z-index:150;display:none;justify-content:center;align-items:flex-start;padding:64px 16px 16px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dict-overlay.show{display:flex}.dict-box{width:100%;max-width:640px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;max-height:82vh}.dict-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border)}.dict-bar-ic svg{width:18px;height:18px;stroke:var(--text-dim)}.dict-input{flex:1;border:none;outline:none;background:none;color:var(--text);font-family:inherit;font-size:16px}.dict-close{border:1px solid var(--border-strong);background:var(--bg-soft);color:var(--text-dim);border-radius:6px;font-size:11px;padding:3px 8px;cursor:pointer}.dict-body{overflow-y:auto;padding:14px 16px 18px}.dict-recent{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:10px}.dict-recent-lb{font-size:11.5px;color:var(--text-dim);font-weight:600;margin-right:2px}.dict-chip{border:1px solid var(--border-strong);background:var(--bg);color:var(--text-soft);border-radius:999px;padding:3px 10px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit}.dict-chip:hover{color:var(--text);border-color:var(--brand)}.dict-chip.clear{color:var(--text-dim)}.dict-status{font-size:13px;color:var(--text-dim);margin:2px 0;min-height:2px}.dict-status.loading{color:var(--brand)}.dict-status.error{color:#d4503b;font-weight:600}.dict-card{padding-top:4px}.dict-top{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 11px}.dict-word{margin:0;font-size:26px;font-weight:800;letter-spacing:-.01em}.dict-ipa{font-size:15.5px;color:var(--text-soft);font-family:Times New Roman,serif}.dict-play{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border-strong);background:var(--bg);color:var(--brand);border-radius:8px;cursor:pointer}.dict-play svg{width:17px;height:17px}.dict-play:hover{border-color:var(--brand)}.dict-play.playing{background:var(--brand);color:var(--on-brand)}.dict-ko{display:flex;align-items:baseline;gap:9px;margin:13px 0 6px;padding:11px 14px;background:var(--bg);border-radius:11px}.dict-ko-lb{flex:none;font-size:11.5px;font-weight:700;color:var(--on-brand);background:var(--brand);padding:2px 9px;border-radius:6px}.dict-ko-val{font-size:18.5px;font-weight:700;color:var(--text);line-height:1.4}.dict-mean{margin-top:15px}.dict-pos{display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand);margin-bottom:7px}.dict-defs{margin:0;padding-left:19px}.dict-defs li{margin:9px 0;line-height:1.5}.dict-def-ko{display:block;font-size:15px;font-weight:600;color:var(--text)}.dict-def-en{display:block;font-size:13px;color:var(--text-dim);margin-top:1px}.dict-ex-en{display:block;font-size:13.5px;color:var(--text-soft);margin-top:4px}.dict-ex-ko{display:block;font-size:13px;color:var(--text-dim)}.dict-syn{margin-top:8px;font-size:13px}.dict-syn-lb{font-weight:700;color:var(--text-soft);margin-right:6px}.dict-syn-val{color:var(--text-soft)}.dict-note{margin-top:12px;padding:11px 13px;background:var(--bg);border-radius:10px;font-size:13.5px;color:var(--text-soft)}.dict-src{margin-top:15px;padding-top:11px;border-top:1px solid var(--border);font-size:11px;color:var(--text-dim)}.dict-star{margin-left:auto;border:none;background:none;cursor:pointer;font-size:22px;line-height:1;color:var(--text-dim);padding:0 2px}.dict-star.on,.dict-star:hover{color:#f5a623}.vocab-trigger{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:9px;padding:6px 10px;font-family:inherit;font-size:13px;cursor:pointer}.vocab-trigger:hover{border-color:var(--brand);color:var(--text)}.vocab-trigger svg{width:15px;height:15px;stroke:currentColor}.vocab-badge{font-size:11px;font-weight:800;background:var(--brand);color:var(--on-brand);border-radius:999px;padding:1px 6px;min-width:16px;text-align:center}@media(max-width:600px){.vocab-trigger span:not(.vocab-badge){display:none}}.ex-star{position:absolute;top:9px;right:42px;border:none;background:none;cursor:pointer;font-size:17px;line-height:1;color:var(--text-dim);padding:2px;z-index:2}.ex-star.on,.ex-star:hover{color:#f5a623}.vocab-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c1280;z-index:150;display:none;justify-content:center;align-items:flex-start;padding:56px 16px 16px;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.vocab-overlay.show{display:flex}.vocab-box{width:100%;max-width:620px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;max-height:84vh}.vocab-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 16px;border-bottom:1px solid var(--border)}.vocab-title{font-size:16px;font-weight:800}.vocab-cnt{color:var(--text-dim);font-weight:700;font-size:14px}.vocab-head-actions{display:flex;gap:8px}.vocab-review-btn{border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);border-radius:9px;font-size:13px;font-weight:700;padding:6px 14px;cursor:pointer;font-family:inherit}.vocab-review-btn:hover{filter:brightness(1.05)}.vocab-close{border:1px solid var(--border-strong);background:var(--bg-soft);color:var(--text-dim);border-radius:6px;font-size:11px;padding:3px 9px;cursor:pointer}.vocab-body{overflow-y:auto;padding:14px 16px 18px}.vocab-empty{color:var(--text-soft);font-size:14px;line-height:1.6;padding:24px 8px;text-align:center}.vocab-hint{font-size:12.5px;color:var(--text-dim);margin-bottom:10px}.vocab-card{position:relative;border:1px solid var(--border);border-radius:11px;background:var(--bg);padding:12px 14px;margin-bottom:9px;display:flex;align-items:center;gap:10px;cursor:pointer}.vocab-card-main{flex:1;min-width:0}.vocab-en{font-size:16px;font-weight:700;color:var(--text)}.vocab-ko{font-size:14px;color:var(--text-soft);margin-top:2px}.vocab-note{font-size:12px;color:var(--text-dim);margin-top:2px}.vocab-card.hide-ko .vocab-ko,.vocab-card.hide-ko .vocab-note{filter:blur(5px);opacity:.55}.vocab-tools{display:flex;gap:6px;flex:none}.vocab-play{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--brand);border-radius:8px;cursor:pointer}.vocab-play svg{width:16px;height:16px}.vocab-play.playing{background:var(--brand);color:var(--on-brand)}.vocab-del{width:30px;height:30px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-dim);border-radius:8px;cursor:pointer;font-size:13px}.vocab-del:hover{color:#d4503b;border-color:#d4503b}.vocab-body.review{display:flex;flex-direction:column;align-items:stretch}.rv-prog{font-size:13px;color:var(--text-dim);font-weight:600;text-align:center}.rv-bar{height:5px;background:var(--bg);border-radius:999px;margin:8px 0 16px;overflow:hidden}.rv-fill{height:100%;background:var(--brand);border-radius:999px;transition:width .25s}.rv-card{border:1px solid var(--border);border-radius:14px;background:var(--bg);padding:30px 20px;text-align:center;min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;cursor:pointer}.rv-en{font-size:26px;font-weight:800}.rv-play{width:38px;height:38px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--brand);border-radius:10px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.rv-play svg{width:19px;height:19px}.rv-play.playing{background:var(--brand);color:var(--on-brand)}.rv-ko,.rv-note{display:none}.rv-card.revealed .rv-ko{display:block;font-size:18px;font-weight:700;color:var(--brand)}.rv-card.revealed .rv-note{display:block;font-size:13px;color:var(--text-dim)}.rv-reveal{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:9px;font-size:13.5px;font-weight:600;padding:8px 18px;cursor:pointer;font-family:inherit}.rv-ans{display:flex;gap:10px;margin-top:16px}.rv-ans button{flex:1;border-radius:10px;font-size:14.5px;font-weight:700;padding:12px;cursor:pointer;font-family:inherit;border:1px solid var(--border-strong)}.rv-no{background:var(--bg-elev);color:var(--text-soft)}.rv-no:hover{border-color:#d4503b;color:#d4503b}.rv-yes{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}.rv-quit{margin-top:14px;align-self:center;border:none;background:none;color:var(--text-dim);font-size:12.5px;cursor:pointer;text-decoration:underline;font-family:inherit}.rv-done-emoji{font-size:44px;text-align:center;margin-top:20px}.rv-done{font-size:18px;font-weight:800;text-align:center;margin-top:8px}.rv-done-actions{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:20px}.termsim{border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;margin:18px 0;box-shadow:var(--shadow-sm);background:#0b0f17}.ts-bar{display:flex;align-items:center;gap:7px;padding:8px 12px;background:#1a1f2b;border-bottom:1px solid #2a3142}.ts-dot{width:11px;height:11px;border-radius:50%;display:inline-block}.ts-dot.r{background:#ff5f56}.ts-dot.y{background:#ffbd2e}.ts-dot.g{background:#27c93f}.ts-name{color:#8b94a7;font-size:12px;margin-left:6px}.ts-run{margin-left:auto;border:1px solid #3a4254;background:#2a3142;color:#e6e8ee;border-radius:7px;padding:4px 12px;font-size:12px;font-weight:700;cursor:pointer}.ts-run:hover:not(:disabled){background:#353d50}.ts-run:disabled{opacity:.55;cursor:default}.ts-body{padding:12px 14px;font-family:var(--mono);font-size:13px;line-height:1.65;color:#e6e8ee;min-height:40px}.ts-line .ts-prompt{color:#27c93f;font-weight:700}.ts-line .ts-cmd{color:#e6e8ee}.ts-output{margin:6px 0 0;white-space:pre-wrap;color:#aeb6c6;font-family:var(--mono);font-size:13px;background:none;border:none;padding:0}.ts-output.running:after{content:"실행 중…";color:#6b7080}.plcsim{border:1px solid var(--border-strong);border-radius:14px;background:var(--bg-elev);box-shadow:var(--shadow-sm);margin:18px 0;overflow:hidden}.plc-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:11px 15px;background:var(--bg-soft);border-bottom:1px solid var(--border)}.plc-led{width:10px;height:10px;border-radius:50%;background:var(--text-dim);flex-shrink:0;transition:background .2s,box-shadow .2s}.plc-led.on{background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 28%,transparent)}.plc-device{font-weight:700;font-size:14px;color:var(--text)}.plc-proto{font-size:11px;font-weight:700;letter-spacing:.03em;color:var(--accent);border:1px solid var(--border-strong);border-radius:999px;padding:2px 9px}.plc-scan{font-size:12px;color:var(--text-dim);font-family:var(--mono)}.plc-run{margin-left:auto;border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);border-radius:8px;padding:5px 14px;font-size:12.5px;font-weight:700;cursor:pointer;font-family:inherit}.plc-run:hover{opacity:.9}.plc-table{width:100%;border-collapse:collapse;margin:0;font-size:13px}.plc-table thead th{text-align:left;padding:8px 14px;background:var(--bg);color:var(--text-dim);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--border)}.plc-table td{padding:8px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.plc-table tbody tr:last-child td{border-bottom:none}.plc-addr,.plc-type{font-family:var(--mono);color:var(--text-soft);font-size:12px}.plc-name{font-weight:600;color:var(--text)}.plc-val{font-family:var(--mono);font-weight:700;color:var(--text);white-space:nowrap}.plc-valh{width:1%}.plc-desc{color:var(--text-dim);font-size:12.5px}.plc-w{font-size:10px;font-weight:700;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:0 5px;margin-left:5px;vertical-align:middle}.plc-val.changed{animation:plc-flash .6s ease}@keyframes plc-flash{0%{background:color-mix(in srgb,var(--accent) 32%,transparent)}to{background:transparent}}.plc-write{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 15px;background:var(--bg-soft);border-top:1px solid var(--border)}.plc-write-lb{font-size:12px;font-weight:700;color:var(--text-soft)}.plc-wsel,.plc-winput{font:inherit;font-size:13px;padding:5px 9px;border:1px solid var(--border-strong);border-radius:7px;background:var(--bg-elev);color:var(--text)}.plc-winput{width:92px}.plc-wbtn{font:inherit;font-size:12.5px;font-weight:700;padding:5px 13px;border:1px solid var(--brand);background:var(--brand);color:var(--on-brand);border-radius:7px;cursor:pointer}.plc-wmsg{font-size:12px;color:var(--ok);font-weight:600}.beforeafter{border:1px solid var(--border-strong);border-radius:14px;background:var(--bg-elev);box-shadow:var(--shadow-sm);margin:18px 0;overflow:hidden}.ba-head{padding:10px 15px;background:var(--bg-soft);border-bottom:1px solid var(--border)}.ba-ttl{font-weight:700;font-size:13.5px;color:var(--text)}.ba-grid{display:grid;grid-template-columns:1fr 1fr}.ba-pane{min-width:0}.ba-pane:first-child{border-right:1px solid var(--border)}.ba-label{font-size:11px;font-weight:700;letter-spacing:.03em;padding:7px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px}.ba-label:before{content:"";width:8px;height:8px;border-radius:50%;flex-shrink:0}.ba-label.is-before{color:var(--text-dim);background:var(--bg)}.ba-label.is-before:before{background:var(--text-dim)}.ba-label.is-after{color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--bg-elev))}.ba-label.is-after:before{background:var(--accent)}.ba-frame{width:100%;border:0;display:block;background:#fff;min-height:80px}@media(max-width:640px){.ba-grid{grid-template-columns:1fr}.ba-pane:first-child{border-right:0;border-bottom:1px solid var(--border)}}.rail-settings{margin-top:auto;width:100%;max-width:60px;border:none;background:none;cursor:pointer;border-radius:12px;padding:9px 2px 7px;font-family:inherit;outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--text-soft);transition:background .12s,color .12s}.rail-settings:hover{background:var(--bg-soft);color:var(--text)}.rail-settings:focus{outline:none}.rail-settings:focus-visible{background:var(--bg-soft);color:var(--text)}.rail-settings .rail-ic{line-height:0}.rail-settings .rail-ic svg{width:20px;height:20px;display:block;stroke:currentColor}.rail-settings .rail-lb{font-size:10px;font-weight:600;letter-spacing:-.2px}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;display:flex;align-items:center;justify-content:center;background:#14161a6b;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s}.settings-overlay.show{opacity:1;visibility:visible}.settings-box{width:min(440px,92vw);max-height:86vh;overflow-y:auto;background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:16px;box-shadow:var(--shadow-lg);transform:translateY(6px);transition:transform .15s}.settings-overlay.show .settings-box{transform:translateY(0)}.set-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.set-head span{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--text)}.set-close{border:none;background:none;color:var(--text-dim);font-size:17px;cursor:pointer;line-height:1;padding:4px;border-radius:7px}.set-close:hover{color:var(--text);background:var(--bg-soft)}.set-body{padding:10px 18px 20px}.set-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}.set-row:last-child{border-bottom:none}.set-label{font-size:14px;font-weight:600;color:var(--text);flex-shrink:0}.set-sub{margin:16px 0 2px;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.set-hint{margin:6px 0 2px;font-size:12px;line-height:1.55;color:var(--text-soft);background:var(--bg);border-radius:9px;padding:9px 11px}.set-hint b{color:var(--text)}.set-seg{display:inline-flex;border:1px solid var(--border-strong);border-radius:9px;overflow:hidden;background:var(--bg)}.set-seg-btn{border:none;background:none;padding:6px 13px;font-size:13px;font-weight:600;color:var(--text-soft);cursor:pointer;font-family:inherit}.set-seg-btn+.set-seg-btn{border-left:1px solid var(--border)}.set-seg-btn:hover{color:var(--text)}.set-seg-btn.on{background:var(--brand);color:var(--on-brand)}.set-swatches{display:flex;gap:8px}.set-swatch{width:24px;height:24px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-shadow:0 0 0 1px var(--border) inset}.set-swatch.on{box-shadow:0 0 0 2px var(--bg-elev) inset,0 0 0 4px var(--accent)}.set-select{font-family:inherit;font-size:13px;padding:6px 9px;border:1px solid var(--border-strong);border-radius:8px;background:var(--bg-elev);color:var(--text);max-width:220px}.set-preview{margin-top:14px;width:100%;border:1px solid var(--accent);background:var(--accent-tint);color:var(--accent);border-radius:9px;padding:9px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit}.set-preview:hover{filter:brightness(.97)}html[data-fontscale=large] .article{font-size:17.5px}html[data-fontscale=large] .ex .en{font-size:18px}html[data-fontscale=large] .ex .ko{font-size:15.5px}.mode-toggle{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;padding:6px 12px;border-radius:999px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);font-size:12.5px;font-weight:700;text-decoration:none;white-space:nowrap;transition:border-color .14s,color .14s,background .14s}.mode-toggle:hover{color:var(--text);border-color:var(--brand);text-decoration:none}.mode-toggle svg{width:15px;height:15px;stroke:var(--accent)}@media(max-width:640px){.mode-toggle{padding:6px 9px}.mode-toggle>span:not(.mode-caret){display:none}}.pat-block{scroll-margin-top:70px}.pat-pager{display:flex;align-items:center;justify-content:center;gap:5px;margin:18px 0;flex-wrap:wrap}.pat-pager.top{margin:6px 0 22px}.pat-pg{min-width:34px;height:34px;padding:0 8px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:9px;font-size:13.5px;font-weight:700;cursor:pointer;font-family:inherit}.pat-pg:hover:not([disabled]):not(.on){color:var(--text);border-color:var(--brand)}.pat-pg.on{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}.pat-pg.arrow{font-size:16px}.pat-pg[disabled]{opacity:.4;cursor:default}.pat{margin:30px 0 6px;padding:10px 0 10px 14px;border-left:4px solid var(--accent);font-size:21px;font-weight:700;color:var(--text);line-height:1.35;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.pat .pat-ko{font-size:15px;font-weight:700;color:var(--accent)}.article>.pat+p,.pat+p{margin-top:4px;color:var(--text-soft)}.pat-form{display:block;margin:2px 0 0 14px;font-size:13.5px;color:var(--text-dim);font-family:SFMono-Regular,ui-monospace,Menlo,monospace}.pat-tone{margin:8px 0 10px;padding:10px 14px;background:var(--bg-elev);border-left:3px solid var(--accent);border-radius:8px;font-size:14px;color:var(--text-soft);line-height:1.65}.pat-tone b{color:var(--text)}.pat-tone .lbl{display:inline-block;font-size:11.5px;font-weight:800;color:var(--accent);margin-right:6px}.exlist{border:1px solid var(--border-strong);border-radius:14px;background:var(--bg-elev);box-shadow:var(--shadow-sm);margin:18px 0;overflow:hidden}.exl-head{display:flex;align-items:center;gap:10px;padding:10px 15px;background:var(--bg-soft);border-bottom:1px solid var(--border)}.exl-title{font-weight:700;font-size:13px;color:var(--text)}.exl-all{border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text-soft);border-radius:8px;padding:4px 11px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit}.exl-all:hover{color:var(--text);border-color:var(--brand)}.exl-speed{margin-left:auto;border:1px solid var(--accent);background:var(--accent-tint);color:var(--accent);border-radius:8px;padding:4px 11px;font-size:12px;font-weight:700;cursor:pointer;font-family:inherit}.exl-speed:hover{filter:brightness(.97)}.exl-head{gap:8px}.ex{position:relative;display:block;padding:13px 52px 13px 16px;border-bottom:1px solid var(--border);cursor:pointer}.ex:last-child{border-bottom:none}.ex:hover{background:var(--bg-soft)}.ex .en{display:block;font-size:16px;font-weight:600;color:var(--text);line-height:1.5;letter-spacing:-.005em}.ex .ko{display:block;margin-top:5px;font-size:14px;color:var(--text-soft);line-height:1.55}.ex .note{display:block;margin-top:6px;font-size:12.5px;color:var(--text-dim)}.ex .say{display:block;margin-top:4px;font-size:13px;color:var(--accent);font-weight:600}.ex .say:before{content:"발음 ";font-size:10.5px;font-weight:800;background:var(--accent);color:var(--on-brand, #fff);border-radius:4px;padding:1px 5px;margin-right:6px;vertical-align:middle}html[data-fontscale=large] .ex .say{font-size:14.5px}.ex.hide-ko .ko,.ex.hide-ko .note{display:none}.ex .ex-reveal{display:none;margin-top:6px;font-size:12px;font-weight:700;color:var(--accent)}.ex.hide-ko .ex-reveal{display:inline-block}.ex.hide-ko:hover .ex-reveal:after{content:" ▾"}.ex-play{position:absolute;top:11px;right:12px;width:32px;height:32px;border-radius:9px;border:1px solid var(--border-strong);background:var(--bg);color:var(--accent);display:grid;place-items:center;cursor:pointer;padding:0}.ex-play:hover{border-color:var(--accent);background:var(--accent-tint)}.ex-play.playing{background:var(--accent);color:var(--on-brand);border-color:var(--accent)}.pager{display:flex;justify-content:space-between;gap:12px;margin-top:52px}.pager a{flex:1;border:1px solid var(--border);border-radius:12px;padding:14px 18px;background:var(--bg-elev);color:inherit;box-shadow:var(--shadow-sm);transition:border-color .12s,transform .12s}.pager a:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-2px)}.pager a.next{text-align:right}.pager .pager-label{font-size:12px;color:var(--text-dim)}.pager .pager-title{font-weight:700;color:var(--brand-text)}.steps{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.step{background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:5px 13px;font-size:13px;font-weight:600}.step b{color:var(--brand-text)}.hero{text-align:center;padding:76px 20px 22px}.hero h1{font-family:var(--serif);font-size:52px;font-weight:560;margin:16px 0;letter-spacing:-.018em;line-height:1.08}.hero h1 .grad{color:var(--accent)}.hero p{font-size:18px;color:var(--text-soft);max-width:660px;margin:10px auto}.hero .badge{display:inline-block;background:var(--brand-soft);color:var(--brand-text);border-radius:999px;padding:6px 15px;font-size:13px;font-weight:700}.section-label{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin:40px 0 2px}.pg-full{max-width:1180px;margin:0 auto;padding:24px 24px 60px}.pg-full .playground{min-height:70vh}.pg-full .pg-body,.pg-full .pg-editor textarea,.pg-full .pg-result iframe{min-height:66vh}.preset-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}.preset-bar select{padding:8px 12px;border-radius:9px;border:1px solid var(--border-strong);background:var(--bg-elev);color:var(--text);font-size:14px}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:55;display:none}.scrim.show{display:block}@media(max-width:1000px){.cat-rail,.sidebar{position:fixed;top:0;height:100vh;z-index:60;transform:translate(-100%);transition:transform .22s;box-shadow:var(--shadow-lg)}.cat-rail{left:0}.sidebar{left:var(--rail-w);transform:translate(calc(-100% - var(--rail-w)))}.cat-rail.open,.sidebar.open{transform:translate(0)}.hamburger{display:grid}}@media(max-width:600px){.article{padding:26px 18px 84px}.article h1{font-size:26px}.hero h1{font-size:31px}.pg-body,.apisim-body{grid-template-columns:1fr}.apisim-pane+.apisim-pane{border-left:none;border-top:1px solid var(--border)}}.term-tip{background:var(--bg-elev, #fff);color:var(--text, #111);border:1px solid var(--border, #e5e7eb);border-radius:8px;box-shadow:var(--shadow-md, 0 8px 24px rgba(0, 0, 0, .12));padding:8px 11px;font-size:13px;line-height:1.5;pointer-events:none}.term-tip .tt-short{color:var(--text-soft, #555);margin-top:3px;font-size:12.5px}.term-modal-overlay,.code-zoom-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;background:#0000006b;display:flex;align-items:center;justify-content:center;padding:24px}.term-modal,.code-zoom{position:relative;background:var(--bg-elev, #fff);color:var(--text, #111);border:1px solid var(--border, #e5e7eb);border-radius:14px;box-shadow:var(--shadow-lg, 0 20px 60px rgba(0, 0, 0, .25));max-width:620px;width:100%;max-height:82vh;overflow:auto;padding:22px 24px}.code-zoom{max-width:900px}.term-modal h3{margin:0 0 10px}.term-modal .term-long{color:var(--text-soft, #444);line-height:1.7}.term-modal .term-ex{background:var(--bg-soft, #0e1116);color:#e6edf3;border-radius:8px;padding:12px 14px;overflow:auto;margin-top:12px}.term-rel{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.term-chip{border:1px solid var(--border, #e5e7eb);background:var(--bg-soft, #f8fafc);border-radius:999px;padding:4px 11px;font-size:12.5px;cursor:pointer;color:var(--brand, #4f46e5)}.term-chip:hover{background:var(--bg-elev, #fff)}.term-modal-x,.code-zoom-x{position:absolute;top:12px;right:12px;border:none;background:transparent;font-size:16px;cursor:pointer;color:var(--text-dim, #888)}.code-zoom pre{margin:0;overflow:auto;max-height:76vh}.code-tools{display:flex;gap:6px;justify-content:flex-end;margin-top:6px}.code-btn{border:1px solid var(--border, #e5e7eb);background:var(--bg-elev, #fff);color:var(--text-soft, #555);border-radius:7px;padding:3px 10px;font-size:12px;cursor:pointer}.code-btn:hover{color:var(--brand, #4f46e5);border-color:var(--brand, #4f46e5)}.settings-pop{position:absolute;top:46px;right:12px;z-index:200;background:var(--bg-elev, #fff);border:1px solid var(--border, #e5e7eb);border-radius:12px;box-shadow:var(--shadow-lg, 0 20px 60px rgba(0, 0, 0, .18));padding:14px 16px;min-width:230px}.settings-pop h4{margin:0 0 8px;font-size:12px;color:var(--text-dim, #888)}.settings-row{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}.settings-row button{border:1px solid var(--border, #e5e7eb);background:var(--bg-soft, #f8fafc);border-radius:7px;padding:5px 10px;font-size:12.5px;cursor:pointer;color:var(--text, #222)}.settings-row button.on{background:var(--brand, #4f46e5);color:#fff;border-color:var(--brand, #4f46e5)}.sw-dot{width:18px;height:18px;border-radius:50%;padding:0}.search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10001;background:#0006;display:flex;align-items:flex-start;justify-content:center;padding:10vh 16px 16px}.search-box{width:100%;max-width:620px;background:var(--bg-elev, #fff);border:1px solid var(--border, #e5e7eb);border-radius:14px;box-shadow:var(--shadow-lg, 0 24px 70px rgba(0,0,0,.3));overflow:hidden;display:flex;flex-direction:column;max-height:70vh}.search-top{display:flex;align-items:stretch;border-bottom:1px solid var(--border, #eee)}.search-input{flex:1;min-width:0;border:none;outline:none;padding:16px 18px;font-size:15px;background:transparent;color:var(--text, #111)}.search-fbtn{display:flex;align-items:center;gap:6px;flex-shrink:0;border:none;border-left:1px solid var(--border, #eee);background:none;padding:0 14px;font-size:12.5px;font-weight:600;cursor:pointer;color:var(--text-dim, #888);white-space:nowrap}.search-fbtn:hover,.search-fbtn.on{color:var(--brand, #4f46e5)}.search-fbadge{font-size:10.5px;font-weight:700;line-height:1;background:var(--brand, #4f46e5);color:#fff;border-radius:999px;padding:3px 6px}.search-filters{padding:10px 16px 12px;border-bottom:1px solid var(--border, #eee);background:var(--bg-soft, #f8fafc);display:flex;flex-direction:column;gap:10px;max-height:34vh;overflow:auto;flex-shrink:0}.search-frow{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.search-chk{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text, #333);cursor:pointer}.search-chk input{cursor:pointer}.search-clear{margin-left:auto;border:none;background:none;cursor:pointer;font-size:12px;color:var(--text-dim, #888);text-decoration:underline}.search-fgroup{display:flex;align-items:flex-start;gap:10px}.search-flabel{font-size:11.5px;color:var(--text-dim, #888);padding-top:5px;flex-shrink:0;min-width:44px}.search-chips{display:flex;flex-wrap:wrap;gap:6px}.search-chip{border:1px solid var(--border, #e5e7eb);background:var(--bg-elev, #fff);border-radius:999px;padding:3px 10px;font-size:12px;cursor:pointer;color:var(--text-soft, #555)}.search-chip:hover{border-color:var(--brand, #4f46e5)}.search-chip.on{background:var(--brand, #4f46e5);border-color:var(--brand, #4f46e5);color:#fff}.search-note{font-size:12px;color:var(--text-dim, #999)}.search-meta{display:flex;align-items:center;gap:10px;padding:8px 16px;font-size:12px;color:var(--text-dim, #888);border-bottom:1px solid var(--bg-soft, #f3f4f6)}.search-note-inline{margin-left:auto}.search-sec{font-size:11px;color:var(--text-dim, #999)}.search-pager{display:flex;align-items:center;justify-content:center;gap:14px;padding:10px 16px;border-top:1px solid var(--border, #eee);font-size:12.5px;color:var(--text-dim, #888)}.search-pager button{border:1px solid var(--border, #e5e7eb);background:var(--bg-elev, #fff);border-radius:8px;padding:4px 12px;font-size:12.5px;cursor:pointer;color:var(--text, #333)}.search-pager button:hover:not(:disabled){border-color:var(--brand, #4f46e5);color:var(--brand, #4f46e5)}.search-pager button:disabled{opacity:.45;cursor:default}.search-results{overflow:auto;flex:1}.search-empty{padding:18px;color:var(--text-dim, #999);font-size:13px}.search-item{display:flex;flex-direction:column;gap:4px;width:100%;text-align:left;border:none;background:none;cursor:pointer;padding:10px 16px;border-bottom:1px solid var(--bg-soft, #f3f4f6);color:var(--text, #222)}.search-item-top{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:baseline}.search-item:hover{background:var(--bg-soft, #f8fafc)}.search-grp{font-size:11px;color:#fff;background:var(--brand, #4f46e5);border-radius:6px;padding:2px 7px}.search-head{font-size:13.5px;font-weight:600}.search-page{font-size:11.5px;color:var(--text-dim, #888)}.search-snip{font-size:12px;color:var(--text-soft, #666);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.search-item mark{background:var(--brand-soft, #fdf3c0);color:inherit;padding:0 1px;border-radius:3px;font-weight:700}.mode-dd{position:relative;flex-shrink:0}.mode-dd .mode-toggle{display:inline-flex;align-items:center;gap:6px;cursor:pointer;white-space:nowrap}.mode-dd .mode-toggle svg{width:15px;height:15px}.mode-caret{font-size:10px;opacity:.7}.mode-pop{position:absolute;top:calc(100% + 6px);left:0;z-index:200;background:var(--bg-elev, #fff);border:1px solid var(--border, #e5e7eb);border-radius:10px;box-shadow:var(--shadow-lg, 0 16px 44px rgba(0,0,0,.16));padding:5px;min-width:140px}.mode-item{display:block;padding:8px 12px;border-radius:7px;font-size:13px;color:var(--text, #222);text-decoration:none;cursor:pointer}.mode-item:hover{background:var(--bg-soft, #f3f4f6)}.mode-item.on{color:#fff;background:var(--brand, #4f46e5)}.auth-login-btn{border:1px solid var(--border, #e5e7eb);background:var(--bg-elev, #fff);color:var(--text, #333);border-radius:8px;padding:5px 12px;font-size:12.5px;font-weight:600;cursor:pointer;white-space:nowrap}.auth-login-btn:hover{border-color:var(--brand, #4f46e5);color:var(--brand, #4f46e5)}.auth-dd{position:relative;flex-shrink:0}.auth-avatar{width:30px;height:30px;border-radius:50%;padding:0;overflow:hidden;border:1px solid var(--border, #e5e7eb);background:var(--brand, #4f46e5);color:#fff;font-size:13px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.auth-avatar img{width:100%;height:100%;object-fit:cover}.auth-pop{position:absolute;top:38px;right:0;z-index:200;min-width:200px;background:var(--bg-elev, #fff);border:1px solid var(--border, #e5e7eb);border-radius:12px;box-shadow:var(--shadow-lg, 0 20px 60px rgba(0,0,0,.18));padding:10px;display:flex;flex-direction:column;gap:6px}.auth-who{display:flex;flex-direction:column;gap:2px;padding:4px 6px 8px;border-bottom:1px solid var(--bg-soft, #f3f4f6)}.auth-who b{font-size:13px}.auth-who span{font-size:11.5px;color:var(--text-dim, #888);word-break:break-all}.auth-item{border:none;background:none;text-align:left;cursor:pointer;padding:7px 6px;font-size:12.5px;color:var(--text, #333);border-radius:7px}.auth-item:hover{background:var(--bg-soft, #f8fafc);color:var(--brand, #4f46e5)}.auth-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10002;background:#0006;display:flex;align-items:flex-start;justify-content:center;padding:14vh 16px 16px}.auth-box{width:100%;max-width:360px;background:var(--bg-elev, #fff);border:1px solid var(--border, #e5e7eb);border-radius:14px;box-shadow:var(--shadow-lg, 0 24px 70px rgba(0,0,0,.3));padding:22px;display:flex;flex-direction:column;gap:12px}.auth-title{margin:0;font-size:16px}.auth-desc{margin:0;font-size:12.5px;color:var(--text-dim, #888)}.auth-field{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--text-soft, #555)}.auth-field input{border:1px solid var(--border, #e5e7eb);border-radius:8px;padding:9px 11px;font-size:14px;background:var(--bg, #fff);color:var(--text, #111)}.auth-field input:focus{outline:none;border-color:var(--brand, #4f46e5)}.auth-err{font-size:12.5px;color:#dc2626;background:#fef2f2;border-radius:8px;padding:8px 10px}.auth-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.auth-btn{border:1px solid var(--brand, #4f46e5);background:var(--brand, #4f46e5);color:#fff;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer}.auth-btn:disabled{opacity:.6;cursor:default}.auth-btn.ghost{background:none;color:var(--text-soft, #555);border-color:var(--border, #e5e7eb)}.gate{text-align:center;padding:12vh 20px}.gate-icon{font-size:40px}.gate h2{margin:14px 0 8px;font-size:20px}.gate p{margin:4px 0;color:var(--text-soft, #555);font-size:14px}.gate .gate-sub{color:var(--text-dim, #888);font-size:13px;margin-top:10px}.aichat-fab{position:fixed;right:22px;bottom:22px;z-index:60;width:52px;height:52px;border-radius:50%;background:var(--brand);color:var(--on-brand);border:none;font-weight:700;font-size:15px;cursor:pointer;box-shadow:var(--shadow-lg)}.aichat-fab:hover{filter:brightness(1.1)}.aichat-panel{position:fixed;right:22px;bottom:84px;z-index:60;display:flex;flex-direction:column;background:var(--bg-elev);color:var(--text);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-lg);overflow:hidden}.aichat-resize{position:absolute;top:0;left:0;width:18px;height:18px;cursor:nwse-resize;z-index:2;background:linear-gradient(135deg,var(--brand) 0 40%,transparent 40%);opacity:.5;border-top-left-radius:14px}.aichat-resize:hover{opacity:.9}.aichat-head{display:flex;align-items:center;gap:8px;padding:10px 12px 10px 22px;border-bottom:1px solid var(--border)}.aichat-title{font-weight:700;font-size:14px;color:var(--text)}.aichat-tools{margin-left:auto;display:flex;align-items:center;gap:6px}.aichat-icon{font-size:15px;line-height:1;padding:4px 8px;border-radius:7px;cursor:pointer;background:var(--bg-soft);color:var(--text);border:1px solid var(--border)}.aichat-icon:hover{background:var(--brand-soft)}.aichat-prov{font-size:11px;padding:3px 6px;border-radius:7px;background:var(--bg-soft);color:var(--text);border:1px solid var(--border)}.aichat-main{flex:1;display:flex;min-height:0}.aichat-history{flex-shrink:0;overflow-y:auto;padding:8px;background:var(--bg-soft);display:flex;flex-direction:column;gap:4px}.aichat-hist-resize{width:5px;flex-shrink:0;cursor:col-resize;background:var(--border)}.aichat-hist-resize:hover{background:var(--brand)}.aichat-hist-edit{flex:1;min-width:0;font-size:12px;padding:3px 5px;border-radius:5px;border:1px solid var(--brand);background:var(--bg);color:var(--text)}.aichat-newbtn{padding:6px;border-radius:8px;cursor:pointer;font-size:12px;font-weight:600;background:var(--brand);color:var(--on-brand);border:none;margin-bottom:4px}.aichat-hist-empty{font-size:11px;color:var(--text-dim);padding:6px}.aichat-hist-item{display:flex;align-items:center;gap:4px;padding:6px 7px;border-radius:7px;cursor:pointer;font-size:12px;color:var(--text-soft)}.aichat-hist-item:hover{background:var(--bg-elev)}.aichat-hist-item.active{background:var(--brand-soft);color:var(--brand-text);font-weight:600}.aichat-hist-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.aichat-hist-del{border:none;background:none;color:var(--text-dim);cursor:pointer;font-size:11px;padding:0 2px}.aichat-hist-del:hover{color:var(--err)}.aichat-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:12px;display:flex;flex-direction:column;gap:10px}.aichat-history{overscroll-behavior:contain}.aichat-hint{font-size:13px;color:var(--text-soft);line-height:1.6;padding:8px}.aichat-msg{max-width:92%}.aichat-user{align-self:flex-end}.aichat-user .aichat-text{background:var(--brand);color:var(--on-brand);padding:8px 12px;border-radius:12px 12px 3px;font-size:13.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word}.aichat-user .aichat-text::selection,.aichat-user .aichat-text *::selection{background:#fff;color:var(--brand)}.aichat-msg ::selection{background:var(--accent);color:#fff}.aichat-assistant{align-self:flex-start}.aichat-assistant .aichat-text{background:var(--bg-soft);color:var(--text);padding:9px 13px;border-radius:12px 12px 12px 3px;font-size:13.5px;line-height:1.65;word-break:break-word}.aichat-assistant .aichat-text p{margin:0 0 7px}.aichat-assistant .aichat-text p:last-child{margin-bottom:0}.aichat-assistant .aichat-text h4{margin:8px 0 5px;font-size:13.5px;font-weight:700}.aichat-assistant .aichat-text ul,.aichat-assistant .aichat-text ol{margin:4px 0 8px;padding-left:20px}.aichat-assistant .aichat-text ul ul,.aichat-assistant .aichat-text ol ul{margin:2px 0 3px}.aichat-assistant .aichat-text li{margin:2px 0}.aichat-assistant .aichat-text code{background:var(--accent-tint, #eef3f0);color:var(--brand-text, var(--text));padding:1px 5px;border-radius:5px;font-family:var(--mono);font-size:12px;border:1px solid var(--border)}.aichat-assistant .aichat-text code.aichat-kw{cursor:pointer}.aichat-assistant .aichat-text code.aichat-kw:hover{background:var(--brand-soft, #e6efe9);text-decoration:underline}.aichat-assistant .aichat-text pre.aichat-pre{background:var(--code-bg);color:var(--code-text);padding:10px 12px;border-radius:8px;margin:6px 0;overflow-x:auto;font-size:12px;line-height:1.5}.aichat-assistant .aichat-text pre.aichat-pre code{background:none;color:inherit;padding:0;border-radius:0;border:none;font-family:var(--mono);white-space:pre}.aichat-pre .tk-c{color:#7d8590;font-style:italic}.aichat-pre .tk-s{color:#7ee787}.aichat-pre .tk-n{color:#f0a45d}.aichat-pre .tk-k{color:#c792ea;font-weight:600}.aichat-pre .tk-f{color:#79c0ff}.aichat-assistant .aichat-text strong{font-weight:700}.aichat-assistant .aichat-text table.aichat-table{border-collapse:collapse;margin:8px 0;font-size:12.5px;display:block;overflow-x:auto;max-width:100%}.aichat-assistant .aichat-text table.aichat-table th,.aichat-assistant .aichat-text table.aichat-table td{border:1px solid var(--border-strong, var(--border));padding:6px 10px;text-align:left;vertical-align:top}.aichat-assistant .aichat-text table.aichat-table th{background:var(--brand-soft, var(--bg-soft));color:var(--brand-text, var(--text));font-weight:700;white-space:nowrap}.aichat-assistant .aichat-text table.aichat-table tbody tr:nth-child(2n){background:var(--bg-soft)}.aichat-assistant .aichat-text a,.aichat-navlink{color:var(--accent);text-decoration:underline;cursor:pointer}.aichat-sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:7px}.aichat-src{font-size:11px;padding:3px 8px;border-radius:999px;cursor:pointer;background:transparent;border:1px solid var(--border);color:var(--accent)}.aichat-src:hover{background:var(--bg-soft)}.aichat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--border)}.aichat-input input,.aichat-input .aichat-textarea{flex:1;padding:9px 11px;border-radius:9px;font-size:13.5px;border:1px solid var(--border);background:var(--bg);color:var(--text)}.aichat-textarea{resize:none;max-height:120px;line-height:1.5;font-family:inherit;overflow-y:auto;overscroll-behavior:contain}.aichat-input button{padding:0 14px;border-radius:9px;border:none;cursor:pointer;background:var(--brand);color:var(--on-brand);font-size:13px;font-weight:600}.aichat-input button:disabled{opacity:.5;cursor:default}.aichat-stop{background:var(--err)!important}.aichat-thinking{color:var(--text-soft);animation:aichat-pulse 1.2s ease-in-out infinite}@keyframes aichat-pulse{0%,to{opacity:.5}50%{opacity:1}}