/* 교실 화면 시안 — 덱과 같은 토큰. 색 둘 + 강조 하나, 글꼴 하나, 이모지 없음 */
:root{
  --bg:#F7F5F0;--card:#FFFFFF;--ink:#172440;--body:#3A4560;--muted:#7A8296;--line:#E4DFD6;--soft:#EFEBE3;
  --accent:#315DEB;--accentSoft:#E6ECFD;--accentText:#2448C8;--dark:#0F1A36;
  --warnBg:#FFF1C9;--warnText:#6B4A00;--okBg:#E3F2E8;--okText:#1F6B45;--err:#B3261E;
  --r:20px;--sh:0 6px 20px rgba(23,36,64,.08);--shBig:0 18px 50px rgba(23,36,64,.14);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:17px;line-height:1.5;letter-spacing:-.01em;word-break:keep-all;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit;letter-spacing:inherit}
a{color:var(--accentText)}
img{display:block;max-width:100%}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:10px}

/* 머리 띠 */
.top{position:sticky;top:0;z-index:20;height:64px;display:flex;align-items:center;gap:14px;padding:0 28px;background:rgba(247,245,240,.88);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:19px;color:var(--ink);text-decoration:none}
.brand i{width:12px;height:12px;border-radius:4px;background:var(--accent);box-shadow:8px 8px 0 -2px var(--ink)}
.top .sp{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:999px;background:var(--soft);font-size:15px;font-weight:600;color:var(--body);white-space:nowrap}
.pill.acc{background:var(--accentSoft);color:var(--accentText)}
.linkbtn{background:none;border:0;padding:0 8px;min-height:44px;font-size:15px;font-weight:600;color:var(--body);cursor:pointer;border-radius:10px}
.linkbtn:hover{color:var(--accentText)}
.navbtn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:12px;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);font-weight:650;font-size:15px;text-decoration:none;color:var(--ink)}
.navbtn:hover{box-shadow:inset 0 0 0 1.5px var(--accent)}

.wrap{max-width:1240px;margin:0 auto;padding:22px 28px 60px}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:14px;border:0;cursor:pointer;font-weight:700;font-size:17px;background:var(--card);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line);text-decoration:none;transition:transform .08s,box-shadow .15s,background .15s}
.btn:hover{box-shadow:inset 0 0 0 1.5px var(--accent)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px color-mix(in srgb,var(--accent) 28%,transparent)}
.btn.primary:hover{background:#2850D6}
.btn.big{min-height:60px;font-size:20px;padding:0 30px;border-radius:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:transparent}
.btn svg{flex:none}

/* 칩 */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:14px;border:0;cursor:pointer;background:var(--soft);color:var(--ink);font-weight:600;font-size:16px;transition:background .15s,box-shadow .15s}
.chip:hover{box-shadow:inset 0 0 0 1.5px var(--line)}
.chip[aria-checked="true"],.chip[aria-pressed="true"]{background:var(--accentSoft);color:var(--accentText);box-shadow:inset 0 0 0 2px var(--accent)}
.chip img{width:28px;height:28px;margin-left:-6px}
.presets{flex-wrap:nowrap;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}
.presets .chip{flex:none;background:var(--card);box-shadow:inset 0 0 0 1px var(--line)}

/* 입장 */
.join{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;margin-bottom:30px}
.join h1{font-size:38px;line-height:1.22;letter-spacing:-.04em;margin:0 0 10px;font-weight:750}
.join h1 em{font-style:normal;color:var(--accent)}
.join .lead{font-size:18px;color:var(--body);margin:0 0 18px}
.join .form{padding:22px 26px;max-width:520px;margin-top:26px}
.join .hero{position:relative}
.join .hero img{width:100%;max-width:500px;margin:0 auto;filter:drop-shadow(0 30px 40px rgba(23,36,64,.12))}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label,.lab{font-weight:700;font-size:16px}
.field small,.hint{font-size:14px;color:var(--muted)}
.code6{display:flex;gap:8px}
.code6 input{width:56px;height:60px;text-align:center;font-size:30px;font-weight:750;border-radius:14px;border:0;background:var(--soft);box-shadow:inset 0 0 0 1.5px transparent}
.code6 input:focus{outline:0;box-shadow:inset 0 0 0 2px var(--accent);background:#fff}
.inp{height:54px;border-radius:14px;border:0;background:var(--soft);padding:0 16px;font-size:19px;box-shadow:inset 0 0 0 1.5px transparent}
.inp:focus{outline:0;background:#fff;box-shadow:inset 0 0 0 2px var(--accent)}
.err{color:var(--err);font-weight:600;font-size:15px;min-height:22px}
.note{font-size:14px;color:var(--muted);margin-top:14px;display:flex;gap:8px;align-items:flex-start}

/* 만들기 */
.make{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.make .form{padding:18px 24px}
.q{font-size:26px;font-weight:750;letter-spacing:-.035em;margin:0 0 12px;line-height:1.25}
.idea{display:flex;gap:10px;align-items:center;background:var(--soft);border-radius:16px;padding:0 8px 0 18px;box-shadow:inset 0 0 0 1.5px transparent}
.idea:focus-within{background:#fff;box-shadow:inset 0 0 0 2px var(--accent)}
.idea input{flex:1;height:52px;border:0;background:transparent;font-size:21px;outline:0;min-width:0}
.idea .cnt{font-size:14px;color:var(--muted);white-space:nowrap}
.rows{display:flex;flex-direction:column;gap:6px;margin:10px 0 4px}
.row{display:grid;grid-template-columns:70px 1fr;align-items:center;gap:10px}
.row .lab{font-size:14px;color:var(--muted);font-weight:700}
.row .chips{gap:6px}
.row .chip{min-height:44px;padding:0 14px;font-size:15px}
details.more{border-top:1px solid var(--line);padding:6px 0 0;margin-top:6px}
details.more summary{cursor:pointer;font-weight:650;font-size:15px;color:var(--body);list-style:none;display:flex;align-items:center;gap:8px;min-height:36px}
details.more summary::-webkit-details-marker{display:none}
details.more summary::before{content:"+";width:24px;height:24px;border-radius:8px;background:var(--soft);display:inline-flex;align-items:center;justify-content:center;font-weight:750}
details.more[open] summary::before{content:"−"}
.dz{margin-top:8px;border:2px dashed var(--line);border-radius:14px;min-height:92px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:15px;cursor:pointer;padding:10px;text-align:center}
.dz.on{border-color:var(--accent);color:var(--accentText);background:var(--accentSoft)}
.dz img{max-height:120px;border-radius:10px}
.warn{background:var(--warnBg);color:var(--warnText);border-radius:12px;padding:10px 14px;font-size:14px;font-weight:600;margin-top:8px}
.go{display:flex;align-items:center;gap:16px;margin-top:12px}
.go .left{font-size:14px;color:var(--muted)}
.side{display:flex;flex-direction:column;gap:16px}
.side .sam{padding:18px}
.side h3{margin:0 0 10px;font-size:16px}
.sam-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sam-grid img{border-radius:10px;aspect-ratio:16/9;object-fit:cover;background:var(--soft);box-shadow:0 0 0 1px var(--line)}
.sam-grid img:first-child{grid-column:1/-1}
.tip{padding:18px;display:flex;gap:14px;align-items:flex-start}
.tip img{width:72px;height:72px;flex:none}
.tip b{display:block;margin-bottom:4px}
.tip p{margin:0;font-size:15px;color:var(--body)}

/* 결과 */
.sumbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.sumbar h2{font-size:26px;margin:0 8px 0 0;letter-spacing:-.03em}
.sumbar .sp{flex:1}
.status{display:flex;align-items:center;gap:14px;padding:14px 18px;margin-bottom:18px}
.status img{width:64px;height:64px}
.status b{display:block}
.status small{color:var(--muted)}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.vcard{display:flex;flex-direction:column;overflow:hidden}
.vimg{position:relative;background:var(--soft);aspect-ratio:var(--ar,16/9);overflow:hidden}
.vimg img{width:100%;height:100%;object-fit:contain;background:#fff;animation:fadein .5s}
.vimg .sk{position:absolute;inset:0;background:linear-gradient(100deg,var(--soft) 30%,#F8F6F1 50%,var(--soft) 70%);background-size:220% 100%;animation:sh 1.4s linear infinite}
.vimg .sk span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:14px;font-weight:650;color:var(--muted);white-space:nowrap}
.vimg .fail{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:16px;text-align:center;font-size:15px;color:var(--body)}
.vbody{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.vname{display:flex;align-items:center;gap:10px}
.vname .tag{width:34px;height:34px;border-radius:10px;background:var(--dark);color:#fff;font-weight:750;display:flex;align-items:center;justify-content:center}
.vname b{font-size:19px}
.vdesc{font-size:15px;color:var(--body);margin:0;flex:1}
.src{font-size:12px;color:var(--muted)}
@keyframes sh{0%{background-position:120% 0}100%{background-position:-120% 0}}
@keyframes fadein{from{opacity:0;transform:scale(.99)}to{opacity:1;transform:none}}
.crit{margin-top:22px;padding:18px 22px}
.crit ol{margin:8px 0 0;padding-left:22px;display:grid;grid-template-columns:1fr 1fr;gap:6px 30px;font-size:16px}
.again{margin-top:16px;display:flex;justify-content:center}

/* 크게 보기 */
.detail{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(360px,1fr);gap:24px;align-items:start}
.bigimg{overflow:hidden}
.bigimg .vimg{aspect-ratio:var(--ar,16/9)}
.bigimg .cap{display:flex;align-items:center;gap:10px;padding:14px 18px}
.bigimg .cap .sp{flex:1}
.prompt{padding:24px;position:sticky;top:84px}
.prompt h3{margin:0 0 4px;font-size:22px;letter-spacing:-.03em}
.prompt .sub{font-size:14px;color:var(--muted);margin:0 0 14px}
.plines{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:6px;counter-reset:l}
.plines li{counter-increment:l;display:flex;gap:10px;font-size:16px;line-height:1.5;padding:8px 10px;border-radius:10px;background:var(--bg)}
.plines li::before{content:counter(l);flex:none;width:24px;height:24px;border-radius:7px;background:var(--dark);color:#fff;font-size:13px;font-weight:750;display:flex;align-items:center;justify-content:center;margin-top:1px}
.pbtns{display:flex;flex-wrap:wrap;gap:10px}
.pbtns .btn.primary{flex:1 1 100%}
.pbtns .btn:not(.primary){flex:1 1 40%;white-space:nowrap}
.after{margin-top:14px;display:flex;gap:12px;align-items:center;font-size:14px;color:var(--body);background:var(--accentSoft);border-radius:12px;padding:12px 14px}
.after img{width:44px;height:44px;flex:none}
.done{background:var(--okBg)!important;color:var(--okText)!important;box-shadow:none!important}

/* 갤러리 */
.ghead{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.ghead h2{margin:0;font-size:28px;letter-spacing:-.035em}
.banner{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:14px;background:var(--dark);color:#fff;font-weight:600;margin-bottom:16px}
.banner i{width:8px;height:8px;border-radius:50%;background:#7EA0FF;flex:none}
.tabs{display:flex;gap:6px;background:var(--soft);padding:5px;border-radius:16px}
.tabs button{border:0;background:transparent;min-height:44px;padding:0 18px;border-radius:12px;font-weight:700;color:var(--body);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--card);color:var(--ink);box-shadow:var(--sh)}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.filters select{height:44px;border-radius:12px;border:0;background:var(--card);box-shadow:inset 0 0 0 1px var(--line);padding:0 12px;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.post{overflow:hidden;cursor:pointer;display:flex;flex-direction:column;transition:transform .12s,box-shadow .12s}
.post:hover{transform:translateY(-2px);box-shadow:var(--shBig)}
.post .th{aspect-ratio:16/10;background:var(--soft);overflow:hidden;position:relative}
.post .th img{width:100%;height:100%;object-fit:cover;object-position:top}
.post .th .new{position:absolute;left:10px;top:10px;background:var(--accent);color:#fff;font-size:12px;font-weight:750;border-radius:8px;padding:3px 8px}
.post .th .noimg{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}
.post .pb{padding:12px 14px 14px;display:flex;flex-direction:column;gap:6px}
.post .pt{font-weight:700;font-size:16px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post .pm{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.post .pm .sp{flex:1}
.mini{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:7px;background:var(--soft);font-size:12px;font-weight:650;color:var(--body)}
.heart{display:inline-flex;align-items:center;gap:5px;min-height:44px;min-width:56px;justify-content:center;padding:0 12px;border-radius:12px;border:0;background:var(--soft);cursor:pointer;font-weight:700;font-size:14px;color:var(--body)}
.heart[aria-pressed="true"]{background:var(--accentSoft);color:var(--accentText)}
.heart[aria-pressed="true"] svg{fill:currentColor}
.empty{padding:50px 20px;text-align:center;color:var(--body)}
.empty img{width:170px;margin:0 auto 10px}
.fab{position:fixed;right:28px;bottom:28px;z-index:30}

/* 모달 */
.modal{position:fixed;inset:0;z-index:50;background:rgba(15,26,54,.45);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadein .2s}
.modal .box{background:var(--card);border-radius:22px;box-shadow:var(--shBig);width:min(920px,100%);max-height:calc(100vh - 40px);overflow:auto;position:relative}
.modal .box.sm{width:min(520px,100%);padding:26px}
.modal .x{position:absolute;right:14px;top:14px;width:44px;height:44px;border-radius:12px;border:0;background:var(--soft);cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2}
.pv{display:grid;grid-template-columns:1.3fr 1fr}
.pv .pi{background:var(--soft)}
.pv .pi img{width:100%;height:100%;object-fit:contain;background:#fff}
.pv .pc{padding:24px;display:flex;flex-direction:column;gap:12px}
.pv h3{margin:0;font-size:22px}
.pwbox{display:flex;align-items:center;gap:14px;background:var(--warnBg);color:var(--warnText);border-radius:14px;padding:14px 16px;font-weight:600}
.pwbox b{font-size:30px;letter-spacing:.2em;color:var(--ink)}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:60;background:var(--dark);color:#fff;padding:12px 20px;border-radius:14px;font-weight:650;box-shadow:var(--shBig);animation:fadein .2s}

/* 관리 */
.adm table{width:100%;border-collapse:collapse;font-size:15px}
.adm th,.adm td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.adm th{font-size:13px;color:var(--muted);font-weight:700}
.adm .code{font-size:28px;font-weight:750;letter-spacing:.08em}
.adm section{padding:22px;margin-bottom:20px}
.adm h2{margin:0 0 14px;font-size:22px}
.adm .inline{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.adm .inline .field{margin:0}
.adm .inp{height:44px;font-size:16px}
.stat{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.stat div{background:var(--bg);border-radius:12px;padding:10px 12px}
.stat small{display:block;font-size:12px;color:var(--muted)}
.stat b{font-size:20px}

/* 반응형 */
@media (max-width:1100px){.make{grid-template-columns:1fr}.side{display:none}.detail{grid-template-columns:1fr}.prompt{position:static}}
@media (max-width:900px){.row{grid-template-columns:1fr;gap:4px}.join{grid-template-columns:1fr}.join .hero{order:-1}.join .hero img{max-width:380px}.three{grid-template-columns:1fr}.rows{grid-template-columns:1fr}.pv{grid-template-columns:1fr}.crit ol{grid-template-columns:1fr}}
@media (max-width:560px){.wrap{padding:16px}.top{padding:0 14px}.q{font-size:24px}.join h1{font-size:34px}.code6 input{width:46px;height:58px;font-size:26px}}
.nextcard{margin-top:20px;padding:20px 22px}
.nextcard h3{margin:0 0 12px;font-size:18px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.steps3 div{display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:var(--bg);border-radius:14px;padding:14px}
.steps3 img{width:54px;height:54px}
.steps3 b{font-size:15px}
.steps3 small{font-size:13px;color:var(--muted);line-height:1.45}
.steps3 .n{font-size:12px;font-weight:750;color:var(--accentText)}
@media (max-width:560px){.steps3{grid-template-columns:1fr}}
.join .form{position:relative}
.formart{position:absolute;right:18px;top:-30px;width:64px;filter:drop-shadow(0 10px 16px rgba(23,36,64,.15))}
.showcase{margin:10px 0 20px}
.showcase h2{font-size:26px;margin:0 0 4px;letter-spacing:-.03em}
.showcase p{margin:0 0 16px;color:var(--body)}
.sc3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sc3 figure{margin:0;overflow:hidden}
.sc3 img{aspect-ratio:16/9;object-fit:cover;width:100%}
.sc3 figcaption{display:flex;align-items:center;gap:10px;padding:12px 14px;font-weight:700}
.sc3 .tag{width:28px;height:28px;border-radius:8px;background:var(--dark);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center}
@media (max-width:900px){.sc3{grid-template-columns:1fr}}
.make>*,.detail>*,.join>*{min-width:0}
.brand{white-space:nowrap}
@media (max-width:700px){.top .pill:first-child,#chNick{display:none}.top{gap:8px}.navbtn{padding:0 10px}}
.minihelp{display:none;align-items:center;gap:12px;padding:12px 16px;margin-top:14px;font-size:15px;color:var(--body)}
.minihelp img{width:40px;height:40px;flex:none}
@media (max-width:1100px){.minihelp{display:flex}}
.vimg .redo{position:absolute;right:10px;bottom:10px;min-height:44px;font-size:14px;padding:0 12px}
.post .th .cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:4px;padding:16px;background:var(--accentSoft)}
.post .th .cover img{position:absolute;right:12px;top:12px;width:64px;height:64px}
.post .th .cover b{font-size:19px;line-height:1.3;color:var(--ink);max-width:80%}
.post .th .cover span{font-size:13px;color:var(--accentText);font-weight:650}

/* ───── v2: 한 칸 입력 · 앱 기획 · 화면 세 장 ───── */
.make2{display:flex;flex-direction:column;gap:28px}
.composer{padding:28px 30px 22px;max-width:980px;width:100%;margin:10px auto 0}
.composer .q{font-size:32px;margin:0 0 6px}
.composer .sub{margin:0 0 16px;color:var(--body);font-size:16px}
.ta{border-radius:20px;background:var(--soft);box-shadow:inset 0 0 0 1.5px transparent;transition:box-shadow .15s,background .15s}
.ta:focus-within{background:#fff;box-shadow:inset 0 0 0 2px var(--accent),0 10px 30px rgba(49,93,235,.12)}
.ta textarea{display:block;width:100%;border:0;background:transparent;resize:none;padding:18px 20px 6px;font-size:20px;line-height:1.55;outline:0;min-height:108px}
.tabar{display:flex;align-items:center;gap:10px;padding:8px 10px 10px 14px;flex-wrap:wrap}
.tabar .cnt{margin-left:auto;font-size:13px;color:var(--muted)}
.seg{display:flex;background:#fff;border-radius:12px;padding:3px;box-shadow:inset 0 0 0 1px var(--line)}
.seg button{border:0;background:transparent;min-height:40px;padding:0 14px;border-radius:9px;font-weight:650;font-size:15px;color:var(--body);cursor:pointer}
.seg button[aria-checked="true"]{background:var(--dark);color:#fff}
.tabar .linkbtn{display:inline-flex;align-items:center;gap:6px}
.composer .dz{margin-top:12px}
.exchips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:16px}
.exchips .lab{font-size:14px;color:var(--muted);font-weight:700;margin-right:4px}
.exchips .chip{background:var(--card);box-shadow:inset 0 0 0 1px var(--line);min-height:40px;font-size:15px}
.exchips .chip em{font-style:normal;font-size:12px;font-weight:750;color:var(--accentText);background:var(--accentSoft);border-radius:6px;padding:2px 6px}
.composer .left{margin-top:12px;font-size:14px;color:var(--muted)}
.exwall{max-width:1240px;width:100%;margin:0 auto}
.exhead{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.exhead h2{margin:0;font-size:24px;letter-spacing:-.03em}
.exhead span{color:var(--muted);font-size:15px}
.exgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.excard{position:relative;padding:0;border:0;cursor:pointer;text-align:left;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s;font:inherit;color:inherit;margin:0}
.excard:hover{transform:translateY(-3px);box-shadow:var(--shBig)}
.excard img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;background:var(--soft)}
.excap,.excard figcaption{display:flex;flex-direction:column;gap:2px;padding:12px 14px 14px}
.excap b,.excard figcaption b{font-size:17px;letter-spacing:-.02em}
.excap span,.excard figcaption span{font-size:13px;color:var(--muted)}
.excard .kind{position:absolute;left:10px;top:10px;z-index:2;background:rgba(15,26,54,.78);color:#fff;font-size:12px;font-weight:750;border-radius:8px;padding:4px 9px}
.excard .kind.w{background:rgba(110,155,123,.92)}
.showcase .exgrid{grid-template-columns:repeat(4,1fr)}

.concept{display:grid;grid-template-columns:1fr auto;gap:24px;padding:26px 30px;margin-bottom:18px;position:relative;overflow:hidden}
.concept::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(var(--p),var(--a))}
.cinfo h1{margin:10px 0 4px;font-size:34px;letter-spacing:-.04em}
.cinfo p{margin:0;font-size:18px;color:var(--body)}
.idea-q{margin-top:12px;font-size:14px;color:var(--muted)}
.cpal{display:flex;flex-direction:column;align-items:flex-end;gap:8px;justify-content:center}
.sw{display:flex;gap:6px}
.sw i{width:34px;height:34px;border-radius:10px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.cpal small{color:var(--muted);font-size:13px}
.cbtns{display:flex;gap:8px;margin-top:6px}
.canvas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;background:repeating-linear-gradient(0deg,transparent 0 23px,rgba(23,36,64,.04) 23px 24px),repeating-linear-gradient(90deg,transparent 0 23px,rgba(23,36,64,.04) 23px 24px);border-radius:22px;padding:22px;box-shadow:inset 0 0 0 1px var(--line);margin-bottom:22px}
.canvas.mob{grid-template-columns:repeat(3,minmax(0,300px));justify-content:center}
.scr{margin:0;display:flex;flex-direction:column;gap:10px}
.scr figcaption{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.scr figcaption .tag{width:26px;height:26px;border-radius:8px;background:var(--dark);color:#fff;font-size:13px;font-weight:750;display:flex;align-items:center;justify-content:center}
.scr figcaption b{font-size:16px}
.scr figcaption small{width:100%;font-size:13px;color:var(--muted)}
.scr .vimg{border-radius:14px;cursor:zoom-in}
.scr .vimg img{object-fit:cover;object-position:top}
.bottom2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,1fr);gap:20px;align-items:start}
.bottom2 .prompt{position:static}
.plines{max-height:none}
.steps3.col{grid-template-columns:1fr}
.steps3.col>div{flex-direction:row;align-items:center;gap:14px}
.steps3.col>div>div{display:flex;flex-direction:column;gap:2px}
.box.lb{width:min(1400px,96vw);padding:0;background:#10162B}
.lbimg{display:flex;align-items:center;justify-content:center;max-height:calc(100vh - 140px)}
.lbimg img{max-width:100%;max-height:calc(100vh - 140px);object-fit:contain}
.lbbar{display:flex;align-items:center;justify-content:center;gap:16px;padding:12px;color:#fff}
.lbbar .btn{background:rgba(255,255,255,.12);color:#fff;box-shadow:none}
@media (max-width:1000px){.canvas{grid-template-columns:1fr}.bottom2{grid-template-columns:1fr}.concept{grid-template-columns:1fr}.cpal{align-items:flex-start}.showcase .exgrid{grid-template-columns:1fr 1fr}}
[hidden]{display:none!important}
.pvs{display:flex;flex-direction:column;gap:10px;padding:14px;max-height:70vh;overflow:auto}
.pvs figure{margin:0;cursor:zoom-in}.pvs img{width:100%;border-radius:10px;box-shadow:0 0 0 1px var(--line)}
.pvs figcaption{font-size:13px;font-weight:700;color:var(--body);margin-top:4px}

.fr{position:relative;width:100%;height:100%;overflow:hidden;background:#fff}
.fr iframe{position:absolute;left:0;top:0;border:0;transform-origin:0 0;pointer-events:none}
.vimg .zoom{position:absolute;inset:0;border:0;background:transparent;cursor:zoom-in}
.lbimg .fr{aspect-ratio:var(--lar,16/10);height:auto;max-height:calc(100vh - 140px);width:min(100%,calc((100vh - 140px)*1.6))}
.lbimg{padding:0}
.pi .fr{aspect-ratio:16/10;height:auto}
.post .th .fr{height:100%}
.pvs .fr{aspect-ratio:16/10;height:auto;border-radius:10px;box-shadow:0 0 0 1px var(--line)}

.viewer{display:grid;grid-template-columns:300px minmax(0,1fr);gap:18px;padding:18px;margin-bottom:22px;background:linear-gradient(0deg,rgba(23,36,64,.03),rgba(23,36,64,.03)),var(--card)}
.vtabs{display:flex;flex-direction:column;gap:10px}
.vt{display:grid;grid-template-columns:28px 1fr;gap:8px 10px;align-items:start;text-align:left;border:0;background:var(--card);border-radius:14px;padding:12px;cursor:pointer;box-shadow:inset 0 0 0 1px var(--line);font:inherit;color:inherit}
.vt[aria-selected="true"]{box-shadow:inset 0 0 0 2px var(--accent);background:var(--accentSoft)}
.vt .tag{width:28px;height:28px;border-radius:8px;background:var(--dark);color:#fff;font-size:13px;font-weight:750;display:flex;align-items:center;justify-content:center}
.vt b{display:block;font-size:15px}.vt small{display:block;font-size:12px;color:var(--muted);line-height:1.4}
.vt .vthumb{grid-column:1/-1;border-radius:8px;display:block;position:relative;overflow:hidden;background:var(--soft);box-shadow:0 0 0 1px var(--line)}
.vt .vthumb .fail{font-size:12px}
.vmain{display:flex;flex-direction:column;gap:10px;min-width:0}
.vimg.big{border-radius:14px;box-shadow:0 0 0 1px var(--line),0 12px 30px rgba(23,36,64,.08)}
.vbar{display:flex;align-items:center;gap:10px}
.vbar b{font-size:16px}
.psec{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;max-height:560px;overflow:auto;padding-right:6px}
.ps h4{margin:0 0 6px;font-size:15px;color:var(--accentText)}
.ps ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:3px;font-size:15px;line-height:1.55;color:var(--ink)}
@media (max-width:1000px){.viewer{grid-template-columns:1fr}.vtabs{flex-direction:row;overflow-x:auto}.vt{min-width:220px}}
.vmain{position:sticky;top:84px;align-self:start}
.vt .vthumb{max-height:150px}

.static{display:flex;align-items:center;gap:8px;margin:0;font-size:14px;color:var(--body);background:var(--warnBg);border-radius:10px;padding:8px 12px}
.static svg{flex:none;width:18px}
.srcb{font-size:12px;font-weight:700;border-radius:8px;padding:3px 8px}
.srcb.live{background:#E3F2E8;color:#1F6B45}.srcb.ex{background:var(--soft);color:var(--body)}
.viewer.all{grid-template-columns:1fr}.viewer.all .vtabs{display:none}.viewer.all .vmain{position:static}
.viewer.all #vbig{aspect-ratio:auto;box-shadow:none;background:transparent}
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tri figure{margin:0}.tri figcaption{font-size:14px;font-weight:700;margin-top:6px}
.tri .vimg{border-radius:10px;box-shadow:0 0 0 1px var(--line)}
@media (max-width:900px){.tri{grid-template-columns:1fr}}
.tri figcaption{display:flex;align-items:center;gap:8px}

/* v3: 가정 카드 · 문장 두 갈래 탭 · 저장 칸 표 */
.pill.ghost{background:transparent;box-shadow:inset 0 0 0 1px var(--line);margin-left:6px}
.pill.sm{height:26px;padding:0 10px;font-size:13px}
.warn.soft{background:var(--soft);color:var(--body);font-weight:550}
.clarify,.asmcard{padding:20px 24px;margin-bottom:16px}
.clarify b{display:flex;align-items:center;gap:8px;font-size:17px}
.clarify b svg{width:18px;height:18px;flex:none}
.asmhd{display:flex;align-items:center;gap:10px}
.asmhd h3{margin:0;font-size:20px;letter-spacing:-.02em}
.ver{font-size:13px;font-weight:700;color:var(--accentText);background:var(--accentSoft);border-radius:8px;padding:3px 8px}
.hint{font-size:14px;color:var(--muted);margin:6px 0 12px}
.asms{display:grid;gap:10px}
.asm{display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--soft)}
.asm .al{font-weight:700;font-size:15px;color:var(--body)}
.aopts{display:flex;flex-wrap:wrap;gap:8px}
.aopts .chip{min-height:40px;font-size:15px;padding:0 14px}
.aff{font-size:12px;color:var(--muted);white-space:nowrap}
.asmcard .pbtns{margin-top:14px;display:flex;align-items:center;gap:12px}
.asmcard .pbtns .hint{margin:0}
.ttabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 10px;padding:6px;background:var(--soft);border-radius:16px}
.tt{border:0;background:transparent;border-radius:12px;padding:10px 12px;cursor:pointer;text-align:left;min-height:56px}
.tt b{display:block;font-size:16px}.tt small{display:block;font-size:13px;color:var(--muted)}
.tt[aria-selected="true"]{background:var(--card);box-shadow:0 2px 8px rgba(23,36,64,.1),inset 0 0 0 2px var(--accent)}
.tt[aria-selected="true"] small{color:var(--accentText)}
.recs{margin:4px 0 16px}
.recs h4{margin:0 0 8px;font-size:15px;color:var(--body)}
.rec{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:10px}
.rechd{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:8px}
.rechd b{font-size:16px}.rechd>span:not(.pill){font-size:13px;color:var(--muted);flex:1;min-width:160px}
.rtab{width:100%;border-collapse:collapse;font-size:14px}
.rtab th{text-align:left;font-weight:650;color:var(--muted);font-size:13px;padding:4px 8px;border-bottom:1px solid var(--line)}
.rtab td{padding:6px 8px;border-bottom:1px solid var(--soft)}
.rtab td:nth-child(2){color:var(--accentText);font-weight:600;white-space:nowrap}
.ptitle{font-weight:750;font-size:16px;margin-bottom:6px}
.psec li.subl{list-style:none;margin-left:-4px;color:var(--body);font-size:14px}
#stale{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 12px}
@media (max-width:720px){.asm{grid-template-columns:1fr}.ttabs{grid-template-columns:1fr}}
.bottom2{margin-bottom:16px}
/* v4: 문장 세 갈래 · 오른쪽 기둥 · 화면 구성 줄 */
.ttabs.t3{grid-template-columns:repeat(3,1fr)}
.tt{display:flex;gap:10px;align-items:flex-start}
.tn{flex:none;width:24px;height:24px;border-radius:8px;background:var(--dark);color:#fff;font-size:13px;font-weight:750;display:flex;align-items:center;justify-content:center;margin-top:2px}
.tt[aria-selected="true"] .tn{background:var(--accent)}
.prompt h3 .ver{vertical-align:middle;margin-left:6px}
.side2{display:grid;gap:16px;align-content:start}
.side2 .asmcard{margin:0}
.side2 .asm{grid-template-columns:1fr}
.scrs{display:grid;gap:6px;margin-top:14px}
.scrs span{display:flex;gap:8px;align-items:baseline;font-size:15px}
.scrs em{font-style:normal;flex:none;width:22px;height:22px;border-radius:7px;background:var(--soft);font-size:12px;font-weight:750;display:inline-flex;align-items:center;justify-content:center}
.scrs small{color:var(--muted);font-size:13px}
.plead{margin:0 0 10px;font-size:15px;color:var(--body)}
.gcopy{display:flex;flex-wrap:wrap;gap:8px}
.gpd summary{cursor:pointer;font-size:14px;color:var(--muted);margin-top:6px}
.gpd pre{white-space:pre-wrap;font:inherit;font-size:13px;max-height:320px;overflow:auto;background:var(--soft);padding:12px;border-radius:12px}
@media (max-width:720px){.ttabs.t3{grid-template-columns:1fr}}
.side2 .steps3.col>div{padding:10px 14px;min-height:0}.side2 .steps3.col img{width:44px;height:44px}.side2 .steps3.col .n{display:inline-flex;margin-right:6px}
/* v5: 단계 막대 · 저장 선택 폼 */
.stepbar{display:flex;align-items:stretch;gap:8px;margin:0 0 16px;flex-wrap:wrap}
.sb{flex:1;min-width:200px;display:flex;gap:12px;align-items:center;text-align:left;border:0;background:var(--card);border-radius:16px;padding:12px 16px;cursor:pointer;box-shadow:inset 0 0 0 1px var(--line);min-height:64px}
.sb b{display:block;font-size:16px}.sb small{display:block;font-size:13px;color:var(--muted)}
.sb[aria-selected="true"]{box-shadow:inset 0 0 0 2px var(--accent);background:var(--accentSoft)}
.sn{flex:none;width:32px;height:32px;border-radius:10px;background:var(--dark);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.sn svg{width:18px;height:18px}
.sb[aria-selected="true"] .sn{background:var(--accent)}
.sarr{display:flex;align-items:center;color:var(--muted)}.sarr svg{width:18px;height:18px}
.qform{display:grid;gap:18px;margin:6px 0 18px}
.q b{display:block;font-size:16px;margin-bottom:8px}.q small{display:block;font-size:13px;color:var(--muted);margin:-4px 0 8px}
.qopts{display:flex;flex-wrap:wrap;gap:8px}
.qopts .chip{min-height:42px;font-size:15px}.qopts .chip small{margin-left:6px;font-size:12px;color:var(--muted)}
.addf{display:flex;gap:8px;margin-top:10px}.addf .inp{flex:1;min-height:44px}
.chsum{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:0 0 12px}
.btn.next{width:100%;margin-top:14px;justify-content:center;background:var(--dark);color:#fff}
.btn.next svg{width:18px;height:18px}
.side2>#post{justify-content:center}
@media (max-width:720px){.sarr{display:none}.sb{min-width:100%}}

.prechk{margin-top:14px;border-radius:14px;background:var(--soft);padding:14px 16px;display:grid;gap:8px;font-size:14px}.prechk b{font-size:15px}.prechk label{display:flex;gap:8px;align-items:flex-start;line-height:1.45}.prechk input{margin-top:3px;width:16px;height:16px;flex:none}
div.prechk,aside div.prechk,.side div.prechk{display:flex!important;flex-direction:column!important;align-items:stretch!important}div.prechk label{width:auto!important}