/* 화면 스타일. docs/ux-sim.html 의 <style> 에서 :root 를 뺀 나머지를 옮겼다(토큰은 /static/css/tokens.css).
   제목 타자 효과용 .tw · .caret · @keyframes blink 규칙은 옮기지 않았다. 아래쪽 '앱 추가' 부분은 서버 렌더용으로 덧붙였다. */
*{box-sizing:border-box}
html,body{background:var(--bg);color:var(--fg)}
body{font-family:var(--f-body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.005em;word-break:keep-all;overflow-wrap:anywhere}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3{text-wrap:balance;margin:0;font-weight:500}
:focus-visible{outline:2px solid var(--cream);outline-offset:2px}
a{color:inherit}
.mono{font-family:var(--f-mono)}
.gutter{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.inner{max-width:1240px;margin:0 auto}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:linear-gradient(180deg,rgba(15,15,17,.92),rgba(15,15,17,.70));backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .inner{display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap;padding-block:14px}
.mark{display:flex;align-items:baseline;gap:8px;background:none;border:0;cursor:pointer;padding:0}
.mark b{font-family:var(--f-display);font-weight:600;font-size:19px;letter-spacing:.14em}
.mark span{font-size:12px;color:var(--muted)}
.links{display:flex;gap:2px}
.links button{background:none;border:0;border-radius:var(--r-pill);padding:6px 12px;font-size:14.5px;font-weight:500;cursor:pointer;color:var(--fg)}
.links button:hover{background:rgba(245,242,236,.07)}
.nav .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);padding:8px 16px;font-size:14.5px;font-weight:500;cursor:pointer;border:1px solid transparent;white-space:nowrap;text-decoration:none;line-height:1.4}
.pill.ghost{background:transparent;border-color:var(--line-2);color:var(--fg)}
.pill.ghost:hover{background:rgba(245,242,236,.06)}
.pill.cream{background:var(--cream);color:var(--on-cream)}
.pill.cream:hover{filter:brightness(.94)}
.pill.cta{background:linear-gradient(90deg,var(--cta-a),var(--cta-b));color:var(--on-cta);font-weight:600}
.pill.cta:hover{filter:brightness(1.08)}
.pill.soft{background:rgba(245,242,236,.07);color:var(--fg)}
.pill.soft:hover{background:rgba(245,242,236,.12)}
.pill.sm{padding:5px 12px;font-size:13px}
.pill[aria-disabled="true"]{opacity:.5}
.pill[aria-pressed="true"]{background:var(--cream);color:var(--on-cream)}
.icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(245,242,236,.07);border:0;cursor:pointer;font-size:17px}
.icon-btn:hover{background:rgba(245,242,236,.13)}
.stepbar{border-bottom:1px solid var(--line);background:var(--bg-2)}
.stepbar .inner{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-block:10px}
.step{display:flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border-radius:var(--r-pill);border:1px solid transparent;background:none;cursor:pointer;color:var(--muted);font-size:13.5px;font-weight:500}
.step .n{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:11.5px;font-family:var(--f-mono);background:rgba(245,242,236,.08)}
.step[aria-current="step"]{color:var(--fg);border-color:var(--line-2);background:rgba(245,242,236,.06)}
.step[aria-current="step"] .n{background:linear-gradient(90deg,var(--cta-a),var(--cta-b));color:#fff}
.step.done .n{background:var(--user-bg);color:var(--user)}
.step:disabled{cursor:not-allowed;opacity:.4}
.simtag{margin-left:auto;font-family:var(--f-mono);font-size:11px;color:var(--faint);border:1px solid var(--line);border-radius:6px;padding:2px 8px}
main{display:block}
.page{padding-block:28px 96px}
.hero{position:relative;overflow:hidden;isolation:isolate;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:-20% -10% -10%;z-index:-2;background:
  radial-gradient(40% 55% at 22% 18%,var(--glow-1),transparent 70%),
  radial-gradient(38% 50% at 70% 8%,var(--glow-2),transparent 70%),
  radial-gradient(30% 40% at 55% 55%,var(--glow-3),transparent 75%),
  linear-gradient(180deg,#2a1810 0%,#1a1012 45%,var(--bg) 92%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;opacity:.22;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.hero .inner{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding-block:76px 64px;gap:22px}
.hero h1{font-family:var(--f-display);font-size:clamp(38px,6.4vw,74px);line-height:1.08;letter-spacing:-.045em;font-weight:500;min-height:2.2em;max-width:17ch}
.hero .sub{font-size:16.5px;font-weight:300;color:var(--fg);opacity:.92;max-width:44ch;margin:0}
.prompt{width:100%;max-width:760px;background:var(--glass);border:1px solid var(--line-2);border-radius:20px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:16px 16px 12px;text-align:left;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.prompt textarea{width:100%;background:none;border:0;resize:none;font-size:17.5px;line-height:1.75;padding:2px 6px;min-height:58px;outline:none}
.prompt textarea::placeholder{color:var(--faint)}
.prompt .row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.prompt .row .grow{flex:1}
.prompt .count{font-family:var(--f-mono);font-size:12px;color:var(--faint)}
.prompt .count.over{color:var(--danger)}
.tilt{position:absolute;top:96px;width:210px;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.5);opacity:.55;pointer-events:none}
.tilt.l{left:-40px;transform:rotate(-9deg)}
.tilt.r{right:-40px;transform:rotate(8deg);top:150px}
.cover{aspect-ratio:4/5;position:relative;padding:14px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.cover .ttl{font-weight:600;font-size:15px;line-height:1.3;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.cover .meta{font-size:11.5px;opacity:.85}
.c1{background:radial-gradient(70% 60% at 30% 30%,#f4b14a,transparent),radial-gradient(60% 60% at 80% 80%,#b8323f,transparent),#3a1a14}
.c2{background:radial-gradient(60% 50% at 70% 25%,#4f8be0,transparent),radial-gradient(60% 60% at 20% 80%,#1d9b74,transparent),#10223a}
.c3{background:radial-gradient(60% 60% at 30% 70%,#e2507f,transparent),radial-gradient(50% 50% at 75% 25%,#f0a35a,transparent),#2a1022}
.c4{background:radial-gradient(70% 50% at 50% 20%,#9a7bea,transparent),radial-gradient(60% 60% at 30% 85%,#2b5fd0,transparent),#17132e}
.c5{background:radial-gradient(60% 60% at 25% 30%,#7bc96a,transparent),radial-gradient(50% 50% at 80% 75%,#e2c24f,transparent),#16261a}
.c6{background:radial-gradient(60% 60% at 70% 30%,#e86b4a,transparent),radial-gradient(60% 50% at 25% 80%,#6a3fbf,transparent),#24131c}
.strip .inner{display:flex;flex-direction:column;align-items:center;gap:14px;padding-block:30px}
.strip p{margin:0;font-size:12.5px;color:var(--faint);letter-spacing:.12em}
.strip .words{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 34px;font-family:var(--f-display);font-size:clamp(18px,2.4vw,24px);font-weight:500;color:#7d7b76;letter-spacing:-.02em}
.sec{padding-block:72px}
.sec h2{font-family:var(--f-display);font-size:clamp(32px,5vw,60px);line-height:1.12;letter-spacing:-.045em;max-width:18ch}
.sec .lead{color:var(--muted);font-size:17px;max-width:56ch;margin:14px 0 0}
.center{text-align:center}.center h2,.center .lead{margin-left:auto;margin-right:auto}
.rail-x{display:flex;gap:18px;overflow-x:auto;padding-block:28px 6px;scroll-snap-type:x mandatory}
.rail-x::-webkit-scrollbar{height:6px}.rail-x::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:3px}
.ex{flex:0 0 228px;scroll-snap-align:start;display:flex;flex-direction:column;gap:8px}
.ex .cover{border-radius:16px;aspect-ratio:1/1;justify-content:flex-end}
.ex .chips{display:flex;gap:6px;flex-wrap:wrap}
.gchip{font-size:12px;font-weight:500;padding:3px 8px;border-radius:6px;background:rgba(15,15,17,.45);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px);color:#fff;font-variant-numeric:tabular-nums}
.ex b{font-weight:500;font-size:15.5px}
.ex span.by{font-size:12.5px;color:var(--muted)}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 28px 0;display:flex;flex-direction:column;gap:10px;min-height:360px;overflow:hidden}
.fcard h3{font-size:20px;letter-spacing:-.02em}
.fcard p{margin:0;color:var(--muted);font-size:15px}
.mock{margin-top:auto;border-radius:14px 14px 0 0;border:1px solid var(--line-2);border-bottom:0;padding:14px;background:linear-gradient(180deg,rgba(245,242,236,.05),rgba(245,242,236,.01));min-height:150px;display:flex;flex-direction:column;gap:8px;font-size:12.5px}
.mock .mline{height:8px;border-radius:4px;background:rgba(245,242,236,.12)}
.mock .mguide{border:1px dashed var(--line-2);border-radius:10px;padding:8px 10px;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.mock .mfield{border:1px solid var(--line-2);border-radius:10px;padding:8px 10px;color:var(--faint)}
.mock .mpaper{background:#fff;color:#1b1b1b;border-radius:6px;padding:10px;font-size:11px;display:flex;flex-direction:column;gap:5px}
.mock .mpaper i{display:block;height:6px;border-radius:2px;background:#d9e2f3}
.mock .mpaper .th{height:10px;background:#1F3864}
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.plan{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;gap:14px}
.plan.hot{background:linear-gradient(var(--surface),var(--surface)) padding-box,linear-gradient(140deg,var(--cta-a),var(--cta-b)) border-box;border:1px solid transparent}
.plan .top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.plan h3{font-size:26px;letter-spacing:-.03em}
.badge-hot{font-size:11px;font-weight:700;letter-spacing:.06em;padding:3px 10px;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--cta-a),var(--cta-b));color:#fff}
.badge-q{font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);background:rgba(245,242,236,.1);color:var(--muted)}
.plan .time{font-size:34px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.plan .time small{font-size:14px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px}
.plan li{display:grid;grid-template-columns:18px 1fr;gap:8px}
.plan li::before{content:"✓";color:var(--user)}
.plan .pill{width:100%;padding:13px 16px;font-size:15.5px;margin-top:auto}
.faq{max-width:860px;margin:36px auto 0;display:flex;flex-direction:column}
.faq details{border-bottom:1px solid var(--line);padding:20px 4px}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;font-size:17.5px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:12px 0 0;max-width:70ch}
.final{text-align:center;border-top:1px solid var(--line)}
.final .inner{display:flex;flex-direction:column;align-items:center;gap:22px;padding-block:80px}
.foot{border-top:1px solid var(--line);color:var(--faint);font-size:12.5px}
.foot .inner{display:flex;gap:10px 24px;flex-wrap:wrap;padding-block:26px}
.screen-h{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.screen-h h1{font-family:var(--f-display);font-size:clamp(30px,4vw,44px);letter-spacing:-.04em;line-height:1.1}
.screen-h p{margin:0;color:var(--muted);max-width:66ch}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:30px;align-items:start}
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 140px);display:flex;flex-direction:column;gap:14px}
.pcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box);padding:16px}
.pcard .lbl{font-size:12.5px;color:var(--muted)}
.pcard .big{font-size:30px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.15}
.pcard .big span{font-size:15px;color:var(--muted)}
.bar{height:6px;background:rgba(245,242,236,.08);border-radius:3px;overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cta-a),var(--cta-b));border-radius:3px;transition:width .3s}
.toc{display:flex;flex-direction:column;gap:2px}
.toc a{display:grid;grid-template-columns:1fr auto;gap:2px 8px;padding:10px 12px;border-radius:12px;text-decoration:none;font-size:14.5px;border:1px solid transparent}
.toc a:hover{background:rgba(245,242,236,.05)}
.toc a small{grid-column:1/-1;color:var(--faint);font-size:12px;line-height:1.45}
.toc .cnt{font-family:var(--f-mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.toc .cnt.full{color:var(--user)}
.toolbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 124px);z-index:10;background:rgba(15,15,17,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;gap:10px 18px;flex-wrap:wrap;padding-block:12px;border-bottom:1px solid var(--line);margin-bottom:24px}
.switch{display:inline-flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;user-select:none}
.switch input{appearance:none;width:36px;height:21px;border-radius:999px;background:rgba(245,242,236,.18);position:relative;cursor:pointer;margin:0;transition:background .2s}
.switch input::after{content:"";position:absolute;top:2.5px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--cream);transition:transform .2s}
.switch input:checked{background:linear-gradient(90deg,var(--cta-a),var(--cta-b))}
.switch input:checked::after{transform:translateX(14px)}
.spacer{flex:1}
.saved{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.saved::before{content:"●";color:var(--user);margin-right:6px;font-size:9px;vertical-align:2px}
.intro{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box);padding:16px 18px;color:var(--muted);font-size:14px;margin-bottom:26px}
.intro b{color:var(--fg);font-weight:500;display:block;margin-bottom:2px}
.group-h{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:42px 0 14px;scroll-margin-top:190px}
.group-h:first-of-type{margin-top:0}
.group-h .no{font-family:var(--f-mono);font-size:12px;padding:2px 9px;border-radius:var(--r-pill);border:1px solid var(--line-2);color:var(--muted)}
.group-h h2{font-family:var(--f-display);font-size:28px;letter-spacing:-.035em}
.group-h p{margin:0;color:var(--faint);font-size:13.5px;flex-basis:100%}
.boxes{display:flex;flex-direction:column;gap:14px}
.box{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-box);padding:18px 20px;display:flex;flex-direction:column;gap:12px;scroll-margin-top:190px;transition:border-color .15s,box-shadow .15s}
.box:focus-within{border-color:var(--line-2);box-shadow:0 0 0 4px rgba(217,51,111,.14)}
.box.invalid{border-color:var(--danger)}
.box-h{display:flex;align-items:center;gap:8px 10px;flex-wrap:wrap}
.box-h .lbl{font-weight:500;font-size:16.5px;letter-spacing:-.015em}
.badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--r-pill);line-height:1.5}
.badge.req{color:var(--fg);background:rgba(245,242,236,.1)}
.badge.opt{color:var(--faint);border:1px solid var(--line)}
.badge.cond{color:var(--assume);background:var(--assume-bg)}
.maps{margin-left:auto;font-family:var(--f-mono);font-size:11.5px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.check{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;background:var(--user-bg);color:var(--user)}
.guide{background:rgba(245,242,236,.035);border:1px dashed var(--line-2);border-radius:12px;padding:10px 12px;font-size:13.5px;color:var(--muted);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px}
.guide .g-t{display:flex;flex-direction:column;gap:3px;min-width:0}
.guide .g-t em{font-style:normal;color:var(--faint)}
.guide .g-t em::before{content:"예) "}
.guide .g-k{font-size:11.5px;font-weight:600;letter-spacing:.06em;color:var(--fg)}
.guide .g-a{display:flex;gap:2px;align-items:flex-start;flex-wrap:wrap;justify-content:flex-end}
.guide.mini{padding:6px 10px}
.guide.mini .g-t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.g-x{border:0;background:none;cursor:pointer;color:var(--muted);font-size:12.5px;padding:3px 9px;border-radius:var(--r-pill);white-space:nowrap}
.g-x:hover{background:rgba(245,242,236,.08);color:var(--fg)}
.g-show{align-self:flex-start;border:0;background:none;color:var(--muted);font-size:12.5px;cursor:pointer;padding:2px 0}
.g-show:hover{color:var(--fg);text-decoration:underline}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.sub-l{font-size:13.5px;font-weight:500;color:var(--fg)}
.sub-l::before{content:"▸ ";color:var(--cta-a)}
.sub-l .badge{margin-left:6px}
input[type=text],textarea{width:100%;border:1px solid var(--line-2);border-radius:12px;padding:11px 13px;background:rgba(15,15,17,.55);line-height:1.6;resize:vertical;min-width:0}
textarea{min-height:70px}
input::placeholder,textarea::placeholder{color:#7d7b76}
input[type=text]:focus,textarea:focus{outline:none;border-color:rgba(245,242,236,.42)}
.req-empty{border-color:var(--danger)!important}
.foot-f{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.cnt-c{margin-left:auto;font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.cnt-c.over{color:var(--danger);font-weight:600}
.unk{border:1px solid var(--line-2);background:none;border-radius:var(--r-pill);padding:3px 12px;font-size:12.5px;cursor:pointer;color:var(--muted)}
.unk[aria-pressed="true"]{background:var(--assume-bg);color:var(--assume);border-color:transparent;font-weight:600}
.warn{font-size:12.5px;color:var(--danger);background:var(--danger-bg);border-radius:10px;padding:7px 11px}
.warn.soft{color:var(--assume);background:var(--assume-bg)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:1px solid var(--line-2);background:transparent;border-radius:var(--r-pill);padding:6px 14px;font-size:13.5px;cursor:pointer;line-height:1.3}
.chip:hover{background:rgba(245,242,236,.06)}
.chip[aria-checked="true"]{background:var(--cream);color:var(--on-cream);border-color:var(--cream);font-weight:500}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:var(--cta-a)}
.list{display:flex;flex-direction:column;gap:8px}
.lrow{display:grid;gap:8px;align-items:start;border:1px solid var(--line);border-radius:14px;padding:10px;background:rgba(245,242,236,.025)}
.lrow .no{font-family:var(--f-mono);font-size:12px;color:var(--faint);padding-top:11px;text-align:center}
.lrow .cell{display:flex;flex-direction:column;gap:3px;min-width:0}
.lrow .cell span{font-size:11.5px;color:var(--faint)}
.lrow .del{border:0;background:none;color:var(--faint);cursor:pointer;padding:10px 6px;border-radius:8px}
.lrow .del:hover{color:var(--danger);background:var(--danger-bg)}
.ladd{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.submitbar{margin-top:30px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box);padding:18px 20px;display:flex;align-items:center;gap:12px 16px;flex-wrap:wrap}
.submitbar p{margin:0;font-size:14px;color:var(--muted);flex:1;min-width:220px}
.banner{border-radius:14px;padding:12px 14px;font-size:13.5px;display:flex;gap:10px 14px;align-items:center;flex-wrap:wrap;margin-top:12px;background:var(--assume-bg);color:var(--assume)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.diag-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:20px;align-items:start}
.diag-lines{list-style:none;margin:0;padding:0}
.diag-lines li{display:grid;grid-template-columns:100px minmax(0,1fr);gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.diag-lines li:last-child{border-bottom:0}
.diag-lines b{font-size:12.5px;color:var(--faint);font-weight:500}
.qs{display:flex;flex-direction:column;gap:10px}
.q{border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:8px;background:rgba(245,242,236,.02)}
.q-h{display:flex;gap:10px;align-items:baseline}
.q-h .qn{font-family:var(--f-mono);font-size:12px;color:#FF8FB5}
.q-h b{font-size:15px;font-weight:500}
.q .why{font-size:12.5px;color:var(--faint)}
.q .why::before{content:"왜 묻나 · ";color:var(--muted);font-weight:600}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;align-items:center}
.gen-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:20px;align-items:start}
.stages{list-style:none;margin:0;padding:0}
.stages li{display:grid;grid-template-columns:30px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.stages li:last-child{border-bottom:0}
.dot{width:24px;height:24px;border-radius:50%;border:2px solid var(--line-2);display:grid;place-items:center;font-size:11px}
.stages li.run .dot{border-color:var(--cta-a);border-top-color:transparent;animation:spin 1s linear infinite}
.stages li.done .dot{background:var(--user-bg);border-color:transparent;color:var(--user)}
.stages .st-t b{display:block;font-size:15px;font-weight:500}
.stages .st-t span{font-size:12.5px;color:var(--faint)}
.stages .st-m{font-family:var(--f-mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
@keyframes spin{to{transform:rotate(360deg)}}
.log{background:#0b0b0d;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font-family:var(--f-mono);font-size:12px;color:var(--muted);height:340px;overflow:auto;display:flex;flex-direction:column;gap:4px}
.log .t{color:#6a6865}.log .ok{color:var(--user)}
.eq{display:flex;gap:3px;align-items:flex-end;height:22px}
.eq i{width:4px;border-radius:2px;background:linear-gradient(180deg,var(--cta-a),var(--cta-b));animation:eq 1s ease-in-out infinite}
.eq i:nth-child(2){animation-delay:.15s}.eq i:nth-child(3){animation-delay:.3s}.eq i:nth-child(4){animation-delay:.45s}.eq i:nth-child(5){animation-delay:.6s}
@keyframes eq{0%,100%{height:5px}50%{height:22px}}
.rv{display:grid;grid-template-columns:230px minmax(0,1fr) 310px;gap:20px;align-items:start}
.sec-list{display:flex;flex-direction:column;gap:2px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 130px);max-height:calc(100vh - 150px);overflow:auto}
.sec-list button{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:8px;align-items:center;text-align:left;border:1px solid transparent;background:none;border-radius:12px;padding:8px 10px;cursor:pointer;font-size:13.5px}
.sec-list button:hover{background:rgba(245,242,236,.05)}
.sec-list button[aria-current="true"]{background:rgba(245,242,236,.07);border-color:var(--line-2)}
.sec-list .sid{font-family:var(--f-mono);font-size:11.5px;color:var(--faint);min-width:34px}
.sec-list .nm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.st{font-size:10.5px;font-weight:600;padding:1px 7px;border-radius:var(--r-pill);white-space:nowrap}
.st.gen{background:var(--user-bg);color:var(--user)}.st.rev{background:var(--assume-bg);color:var(--assume)}
.st.re{background:var(--src-bg);color:var(--src)}.st.upd{background:var(--danger-bg);color:var(--danger)}
.side{display:flex;flex-direction:column;gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box);padding:18px}
.card h3{font-size:15px;margin-bottom:12px;letter-spacing:-.01em}
.sc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px}
.sc li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;align-items:start}
.sc .m{font-size:11px;font-weight:700;padding:1px 7px;border-radius:var(--r-pill);margin-top:2px;white-space:nowrap}
.sc .m.p{background:var(--user-bg);color:var(--user)}.sc .m.f{background:var(--assume-bg);color:var(--assume)}
.imp{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--muted)}
.imp a{color:var(--fg);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.files{display:flex;flex-direction:column;gap:8px}
.file{display:grid;grid-template-columns:40px minmax(0,1fr);gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:10px;cursor:pointer;background:rgba(245,242,236,.025);text-align:left;width:100%}
.file:hover{border-color:var(--line-2)}
.file .ic{width:40px;height:46px;border-radius:8px;display:grid;place-items:end center;padding-bottom:6px;font-family:var(--f-mono);font-size:10px;color:#fff;background:linear-gradient(160deg,var(--cta-a),var(--cta-b))}
.file .ic.x{background:linear-gradient(160deg,#2d8a5c,#1e6e47)}
.file b{display:block;font-size:12.5px;font-weight:500;word-break:break-all;line-height:1.35}
.file span{font-size:11.5px;color:var(--faint)}
.dl-note{font-size:12.5px;color:var(--muted);background:rgba(245,242,236,.05);border-radius:12px;padding:10px;margin-top:10px}
.regen-box{display:flex;flex-direction:column;gap:8px}
.regen-box textarea{min-height:64px;font-size:13.5px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:10px}
.paper-wrap{background:#0b0b0d;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;overflow-x:auto}
.paper{background:var(--doc-bg);color:var(--doc-fg);width:100%;max-width:720px;margin:0 auto;padding:42px 46px 30px;box-shadow:0 30px 80px rgba(0,0,0,.5);font-family:"Malgun Gothic","맑은 고딕","Noto Sans KR",sans-serif;font-size:13.5px;line-height:1.6;min-height:560px;display:flex;flex-direction:column;letter-spacing:0;border-radius:4px}
.paper .hdr{display:flex;justify-content:space-between;font-size:10.5px;color:var(--doc-grey);border-bottom:1px solid var(--doc-line);padding-bottom:6px;margin-bottom:22px}
.paper .ftr{margin-top:auto;padding-top:22px;text-align:center;font-size:11px;color:var(--doc-grey)}
.paper h4{font-size:19px;font-weight:700;color:var(--doc-navy);border-bottom:2px solid var(--doc-navy);padding-bottom:5px;margin:0 0 12px}
.paper h5{font-size:15.5px;font-weight:700;margin:0 0 10px;color:var(--doc-fg)}
.paper .km{background:#EEF2F9;border-left:4px solid var(--doc-navy);padding:8px 12px;font-weight:700;margin-bottom:12px}
.paper ul{margin:0 0 12px;padding-left:18px}
.paper .cap{font-weight:700;color:var(--doc-navy);font-size:12.5px;margin:12px 0 5px}
.paper table{width:100%;border-collapse:collapse;font-size:12px;margin-bottom:4px}
.paper th{background:var(--doc-navy);color:#fff;font-weight:700;padding:6px 7px;border:1px solid var(--doc-navy);text-align:center}
.paper td{border:1px solid var(--doc-line);padding:6px 7px;vertical-align:top}
.paper td.k{background:var(--doc-tint);font-weight:700;white-space:nowrap}
.paper .srcl{font-size:10.5px;color:var(--doc-grey);margin-bottom:12px}
.paper .sim{font-size:11px;color:var(--doc-grey);border:1px dashed var(--doc-line);padding:8px 10px;margin-top:10px}
.paper .regen{font-size:11.5px;background:#E4EBF8;color:#1F3864;padding:6px 10px;margin-bottom:10px}
.paper.coverp{align-items:center;text-align:center;justify-content:center;gap:10px}
.coverp .c1{font-size:13px;color:var(--doc-grey)}
.coverp .c2{font-size:34px;letter-spacing:.35em;color:var(--doc-navy);font-weight:700;margin:6px 0 14px}
.coverp .c3{font-size:15.5px;font-weight:700;max-width:46ch}
.coverp table{max-width:420px;margin:26px auto 0}
.coverp .c4{margin-top:40px;font-weight:700;color:var(--doc-navy)}
.mk{font-size:.86em;font-weight:600;padding:0 4px;border-radius:3px;white-space:nowrap}
.mk.u{background:#E3F3EA;color:#1E6E47}.mk.a{background:#FFF3DC;color:#8A5200}.mk.f{background:#E4EBF8;color:#2F5597;cursor:help}
.fig{border:1px solid var(--doc-line);padding:12px;display:grid;grid-template-columns:1fr 24px 1fr;gap:8px;font-size:11.5px}
.fig .col{display:flex;flex-direction:column;gap:6px}
.fig .col b{font-size:11px;color:var(--doc-navy);text-align:center}
.fig .pb{border:1px solid #C9A3A3;background:#FBF1F1;padding:6px 8px;border-radius:3px}
.fig .sb{border:1px solid #9FB6DA;background:#EEF3FB;padding:6px 8px;border-radius:3px}
.fig .ar{display:flex;flex-direction:column;justify-content:space-around;align-items:center;color:var(--doc-navy);font-weight:700;padding-top:18px}
.copyrow{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.copybtn{border:1px solid var(--doc-line);background:#fff;color:#1F3864;font-size:10.5px;padding:1px 7px;border-radius:4px;cursor:pointer;white-space:nowrap}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box);padding:16px 18px}
.tile span{font-size:12.5px;color:var(--muted)}
.tile b{display:block;font-size:30px;font-weight:500;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.2;margin-top:2px}
.tile b small{font-size:13px;color:var(--muted);font-weight:400}
.tbl-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-box)}
table.adm{width:100%;border-collapse:collapse;font-size:13.5px;min-width:820px}
table.adm th{text-align:left;font-size:12px;color:var(--faint);font-weight:500;padding:12px 14px;border-bottom:1px solid var(--line)}
table.adm td{padding:12px 14px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
table.adm tr:last-child td{border-bottom:0}
.minibar{width:90px;height:6px;background:rgba(245,242,236,.08);border-radius:3px;overflow:hidden;display:inline-block;vertical-align:middle;margin-right:8px}
.minibar i{display:block;height:100%;background:linear-gradient(90deg,var(--cta-a),var(--cta-b))}
.sp{font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:var(--r-pill);white-space:nowrap}
.sp-in{background:rgba(245,242,236,.08);color:var(--muted)}.sp-dg{background:var(--src-bg);color:var(--src)}.sp-gn{background:rgba(217,51,111,.16);color:#FF9DBE}.sp-rv{background:var(--assume-bg);color:var(--assume)}.sp-ok{background:var(--user-bg);color:var(--user)}
.art{position:absolute;inset:0;z-index:0;overflow:hidden}
.art svg{width:100%;height:100%;display:block}
.art::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,12,0) 52%,rgba(10,10,12,.62) 100%)}
.cover>.chips,.cover>.ttl,.cover>.meta{position:relative;z-index:2}
.cover>.playb{z-index:2}
.paper .repimg{height:230px;overflow:hidden;border:1px solid var(--doc-line)}
.paper .repimg svg{width:100%;height:100%;display:block}
.ex{background:none;border:0;padding:0;text-align:left;color:inherit;cursor:pointer;font:inherit}
.ex .cover{transition:transform .2s,box-shadow .2s}
.ex:hover .cover,.ex:focus-visible .cover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.45)}
.ex .playb{position:absolute;bottom:12px;right:12px;width:36px;height:36px;border-radius:50%;background:rgba(15,15,17,.5);border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;color:#fff;font-size:12px;backdrop-filter:blur(8px)}
.ex .openl{font-size:12.5px;color:var(--fg);opacity:.75}
.modal{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.modal[hidden],[hidden]{display:none!important}
.mback{position:absolute;inset:0;background:rgba(5,5,7,.74);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.mbox{position:relative;width:100%;max-width:820px;max-height:calc(100vh - 32px);overflow:auto;background:var(--surface);border:1px solid var(--line-2);border-radius:24px;display:grid;grid-template-columns:250px minmax(0,1fr);box-shadow:0 40px 120px rgba(0,0,0,.6)}
.mbox>.cover{aspect-ratio:auto;min-height:100%;border-radius:0;justify-content:flex-end}
.mbody{padding:26px 26px 22px;display:flex;flex-direction:column;gap:12px;min-width:0}
.mclose{position:absolute;top:14px;right:14px}
.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.04em}
.mbody h3{font-family:var(--f-display);font-size:30px;letter-spacing:-.035em;line-height:1.15;padding-right:44px}
.mitem{margin:0;color:var(--muted);font-size:13.5px}
.mone{margin:0;font-size:15.5px}
.kv{display:grid;grid-template-columns:92px minmax(0,1fr);gap:8px 14px;margin:4px 0 0;font-size:13.5px;border-top:1px solid var(--line);padding-top:12px}
.kv dt{color:var(--faint)}.kv dd{margin:0}
.mact{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.mnote{margin:0;font-size:12px;color:var(--faint)}
@media (max-width:700px){.mbox{grid-template-columns:minmax(0,1fr)}.mbox>.cover{min-height:220px}.kv{grid-template-columns:minmax(0,1fr)}.kv dt{margin-top:4px}}
.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);background:var(--cream);color:var(--on-cream);padding:10px 18px;border-radius:var(--r-pill);font-size:13.5px;font-weight:500;box-shadow:0 10px 30px rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sr{position:absolute;left:-9999px}
@media (max-width:1180px){.rv{grid-template-columns:210px minmax(0,1fr)}.rv .side{grid-column:1/-1;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.tilt{display:none}}
@media (max-width:900px){
  .nav{position:static}
  .links{display:none}
  .layout{grid-template-columns:minmax(0,1fr)}
  .rail{position:static}
  .toc{flex-direction:row;overflow-x:auto;gap:6px}
  .toc a{flex:0 0 auto;grid-template-columns:auto auto;border-color:var(--line)}
  .toc a small{display:none}
  .toolbar{top:env(safe-area-inset-top,0px)}
  .group-h,.box{scroll-margin-top:110px}
  .diag-grid,.gen-grid,.rv{grid-template-columns:minmax(0,1fr)}
  .sec-list{position:static;flex-direction:row;overflow-x:auto;max-height:none}
  .sec-list button{flex:0 0 auto}
  .grid3,.how{grid-template-columns:minmax(0,1fr)}
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stepbar .inner{flex-wrap:nowrap;overflow-x:auto}
  .step{flex:0 0 auto}
  .simtag{display:none}
}
@media (max-width:620px){
  .lrow{grid-template-columns:minmax(0,1fr)!important}
  .lrow .no{text-align:left;padding-top:0}
  .paper{padding:26px 20px}
  .paper-wrap{padding:10px}
  .maps{margin-left:0;flex-basis:100%}
  .diag-lines li{grid-template-columns:minmax(0,1fr);gap:2px}
  .coverp .c2{font-size:26px}
  .hero .inner{padding-block:48px 44px}
  .mark span{display:none}
  .prompt .count{display:none}
  .hero h1{font-size:32px;max-width:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- 앱 추가 (서버 렌더) ---------- */
a.mark{text-decoration:none;color:inherit}
.links a{display:inline-block;border-radius:var(--r-pill);padding:6px 12px;font-size:14.5px;font-weight:500;color:var(--fg);text-decoration:none}
.links a:hover{background:rgba(245,242,236,.07)}
.prompt form{margin:0}
.prompt .warn{margin-top:10px}
.stub .panel{max-width:760px}
.stub .kv{margin-top:14px}
.stub .kv dd{white-space:pre-wrap}
.stub .kv dd.token{word-break:break-all;white-space:normal}
.stub .token{font-family:var(--f-mono);font-size:11.5px;color:var(--faint)}
.inline-form{display:inline;margin:0}
.auth .panel{max-width:640px}
.auth-form{display:flex;flex-direction:column;gap:16px}
.auth-field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
input[type=email]{width:100%;border:1px solid var(--line-2);border-radius:12px;padding:11px 13px;background:rgba(15,15,17,.55);line-height:1.6;min-width:0}
input[type=email]:focus{outline:none;border-color:rgba(245,242,236,.42)}
.code-input{font-size:22px;letter-spacing:.3em;max-width:220px}
.consents{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0;display:flex;flex-direction:column;gap:12px}
.consents legend{font-size:13px;color:var(--muted);padding:0 6px}
.consent-item details{margin:4px 0 0 28px;font-size:13px;color:var(--muted)}
.consent-item summary{cursor:pointer;color:var(--faint)}
.consent-item details p{margin:6px 0 0}
.banner.pending{margin:0 0 16px;background:var(--user-bg);color:var(--fg)}
.banner.pending b{color:var(--user);font-weight:600}
.banner.pending .pend-ex{color:var(--muted)}
.banner.dev{margin:0 0 16px;background:var(--src-bg);color:var(--src)}
.warn a{color:inherit}
.saved.fail{color:var(--danger)}.saved.fail::before{color:var(--danger)}
input[readonly]{color:var(--muted);background:rgba(245,242,236,.03)}
a.step{text-decoration:none}
.soon-panel{max-width:760px}
.soon-panel .lead{font-size:17px;font-weight:500;margin:0 0 10px}
.soon-panel p{margin:0 0 6px;color:var(--muted)}
.banner span{flex:1 1 220px;min-width:0}
.ladd .need{color:var(--danger)}