:root{
  --bg:#F5F4F0; --surface:#FFFFFF; --ink:#14181F; --ink2:#4A5260; --ink3:#8A92A0;
  --line:#E6E4DE; --line2:#EFEDE8;
  --brand:#2F4BDB; --brand-soft:#E8ECFD; --brand-ink:#1E34A8;
  --ok:#0E9F6E; --ok-soft:#E3F6EE; --warn:#D97706; --warn-soft:#FEF3DC; --bad:#DC2F3C;
  --kr:#2F4BDB; --id:#DC2F3C;
  --r:14px; --shadow:0 1px 2px rgba(20,24,31,.04),0 4px 16px rgba(20,24,31,.05);
  --font:'Plus Jakarta Sans','Noto Sans KR',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{height:100dvh;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;overflow:hidden}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}

/* 앱 상단바 */
.top{height:60px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:20px;flex-shrink:0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em}
.logo i{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-style:normal;font-size:16px}
.logo small{font-weight:500;color:var(--ink3);font-size:12px;margin-left:2px}
.role{font-size:12px;font-weight:700;padding:3px 10px;border-radius:99px;background:var(--brand-soft);color:var(--brand-ink)}
.role.t{background:#FDEBD0;color:#9A4B00}
.sp{flex:1}
.rate{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink2);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:6px 12px}
.rate b{color:var(--ink);font-weight:700}
.rate .dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.rate .sep{width:1px;height:14px;background:var(--line)}
.seg{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:3px}
.seg button{padding:5px 12px;border-radius:7px;font-size:13px;font-weight:600;color:var(--ink2)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.me{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600}
.flag{font-size:18px}

/* 공통 */
main{flex:1;min-height:0;overflow:auto}
.screen{display:none;height:100%}
.screen.on{display:flex}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:11px;font-weight:700;font-size:15px;background:var(--brand);color:#fff;transition:.15s}
.btn:hover{background:var(--brand-ink)}
.btn:disabled{background:#CDD2DC;cursor:not-allowed}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--bg)}
.btn.danger{background:var(--bad)}
.btn.lg{padding:15px 26px;font-size:16px;border-radius:13px}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:9px}
.label{font-size:12px;font-weight:700;color:var(--ink3);text-transform:uppercase;letter-spacing:.06em}
h1{font-size:30px;letter-spacing:-.02em;line-height:1.2}
h2{font-size:20px;letter-spacing:-.01em}
.muted{color:var(--ink2)}
.field{display:flex;flex-direction:column;gap:6px}
.field input,.field textarea{border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 13px;outline:none;transition:.15s;resize:none}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--bg);color:var(--ink2)}
.chip.kr{background:#E8ECFD;color:#1E34A8}.chip.id{background:#FDE8EA;color:#A3121E}
.chip.ok{background:var(--ok-soft);color:#08704D}.chip.wait{background:var(--warn-soft);color:#9A5500}

/* 입장 / 대기 / 제출완료 */
.center{margin:auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:18px;padding:24px}
.join{display:grid;grid-template-columns:1.1fr 1fr;width:min(1040px,92%);margin:auto;gap:0;overflow:hidden}
.join .hero{background:linear-gradient(155deg,#2F4BDB,#5B3FD0);color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;gap:30px}
.join .hero h1{font-size:38px}
.join .hero p{opacity:.85;max-width:380px}
.join .pair{display:flex;align-items:center;gap:14px;font-size:44px}
.join .pair span.x{font-size:20px;opacity:.6}
.join form{padding:44px;display:flex;flex-direction:column;gap:20px;justify-content:center}
.countries{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.countries button{border:1.5px solid var(--line);border-radius:12px;padding:14px;display:flex;align-items:center;gap:10px;font-weight:600;background:#fff;transition:.15s}
.countries button.on{border-color:var(--brand);background:var(--brand-soft)}
.pulse{width:84px;height:84px;border-radius:50%;background:var(--brand-soft);display:grid;place-items:center;font-size:38px;position:relative}
.pulse::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid var(--brand);opacity:.3;animation:pl 1.8s infinite}
@keyframes pl{0%{transform:scale(.9);opacity:.5}100%{transform:scale(1.35);opacity:0}}
.avatars{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:620px}
.avatars span{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 12px;font-size:13px;font-weight:600}

/* 투자 화면 */
.invest{width:100%;display:grid;grid-template-columns:1fr 380px;gap:24px;padding:24px 28px;min-height:0}
.invest .left{display:flex;flex-direction:column;gap:16px;min-height:0}
.invest .head p{margin-top:4px}
.teams{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px;overflow:auto;padding:2px 4px 8px 2px;align-content:start}
.team{padding:16px 18px;display:flex;flex-direction:column;gap:12px;transition:.15s}
.team.has{background:color-mix(in srgb,var(--c) 6%,white);border-color:color-mix(in srgb,var(--c) 40%,white)}
.team .row{display:flex;gap:12px;align-items:flex-start}
.team .em{width:46px;height:46px;border-radius:12px;background:color-mix(in srgb,var(--c) 14%,white);display:grid;place-items:center;font-size:24px;flex-shrink:0}
.team h3{font-size:16.5px;letter-spacing:-.01em}
.team p{font-size:13px;color:var(--ink2);margin-top:2px;line-height:1.4}
.amt{display:flex;align-items:center;gap:10px}
.amt .v{font-size:22px;font-weight:800;min-width:92px;letter-spacing:-.02em}
.amt .conv{font-size:11.5px;color:var(--ink3);line-height:1.3;margin-left:auto;text-align:right}
.step{width:32px;height:32px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:18px;font-weight:700;color:var(--ink2)}
.step:hover{background:var(--bg)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:99px;background:linear-gradient(to right,var(--c) var(--p,0%),var(--line2) var(--p,0%));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--c);box-shadow:0 1px 4px rgba(0,0,0,.2);cursor:grab}
.presets{display:flex;gap:6px}
.presets button{font-size:12px;font-weight:600;padding:3px 9px;border-radius:99px;border:1px solid var(--line);color:var(--ink2);background:#fff}
.presets button:hover{border-color:var(--c);color:var(--c)}
.side{display:flex;flex-direction:column;gap:14px;align-self:start;position:sticky;top:0}
.budget{padding:22px;display:flex;flex-direction:column;align-items:center;gap:14px}
.ring{position:relative;width:190px;height:190px}
.ring svg{transform:rotate(-90deg)}
.ring .in{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .in .big{font-size:34px;font-weight:800;letter-spacing:-.03em}
.ring .in .sm{font-size:12px;color:var(--ink3);font-weight:600}
.cur{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cur div{background:var(--bg);border-radius:10px;padding:9px 11px}
.cur .k{font-size:11px;color:var(--ink3);font-weight:700}
.cur .vv{font-size:14.5px;font-weight:800;margin-top:1px}
.legend{width:100%;display:flex;flex-direction:column;gap:6px;font-size:13px;max-height:200px;overflow:auto}
.legend div{display:flex;align-items:center;gap:8px}
.legend i{width:9px;height:9px;border-radius:3px;background:var(--c)}
.legend b{margin-left:auto}
.secret{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--ink2);padding:12px 14px;background:var(--warn-soft);border-radius:12px;color:#7A4400}

/* 교사: 팀 설정 */
.tsetup{width:100%;display:grid;grid-template-columns:1fr 360px;gap:24px;padding:24px 28px;min-height:0}
.tlist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;overflow:auto;align-content:start;padding:2px 4px 10px 2px}
.tedit{padding:16px;display:flex;flex-direction:column;gap:10px}
.tedit .r1{display:flex;gap:10px;align-items:center}
.tedit .emi{width:46px!important;text-align:center;font-size:20px;padding:8px!important}
.tedit input,.tedit textarea{border:1px solid var(--line);border-radius:9px;padding:8px 10px;outline:none;width:100%;font-size:14px}
.tedit input:focus,.tedit textarea:focus{border-color:var(--brand)}
.tedit .nm{font-weight:700;font-size:15.5px}
.tedit .langs{display:flex;flex-direction:column;gap:6px}
.tedit .langs label{display:flex;gap:8px;align-items:flex-start;font-size:11px;font-weight:800;color:var(--ink3)}
.tedit .langs label span{width:22px;padding-top:9px}
.tedit textarea{height:52px;font-size:13px}
.del{margin-left:auto;color:var(--ink3);font-size:18px;width:30px;height:30px;border-radius:8px}
.del:hover{background:#FDE8EA;color:var(--bad)}
.addteam{border:2px dashed var(--line);border-radius:var(--r);min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--ink2);font-weight:700;background:transparent}
.addteam:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.addteam b{font-size:26px;line-height:1}
.settings{padding:20px;display:flex;flex-direction:column;gap:16px}
.settings .two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview{padding:14px;background:var(--bg);border-radius:12px;display:flex;flex-direction:column;gap:6px}

/* 교사: 진행 */
.run{width:100%;display:grid;grid-template-columns:1fr 340px;gap:24px;padding:24px 28px;min-height:0}
.phases{display:flex;gap:0;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.phases div{flex:1;text-align:center;padding:10px;border-radius:10px;font-size:13.5px;font-weight:700;color:var(--ink3);display:flex;gap:8px;align-items:center;justify-content:center}
.phases div.on{background:var(--brand);color:#fff}
.phases div.done{color:var(--ok)}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kpi{padding:18px 20px}
.kpi .n{font-size:34px;font-weight:800;letter-spacing:-.03em;margin-top:2px}
.kpi .n small{font-size:16px;color:var(--ink3);font-weight:600}
.bar{height:10px;border-radius:99px;background:var(--line2);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;background:var(--brand);border-radius:99px;transition:width .4s}
.people{padding:18px 20px;display:flex;flex-direction:column;gap:12px;min-height:0;flex:1}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;overflow:auto}
.pp{display:flex;align-items:center;gap:8px;padding:9px 11px;border:1px solid var(--line);border-radius:10px;font-size:13.5px;font-weight:600;background:#fff}
.pp .st{margin-left:auto;font-size:12px}
.pp.done{background:var(--ok-soft);border-color:#BFE8D6}
.ctrl{padding:20px;display:flex;flex-direction:column;gap:14px;align-self:start}
.code{font-size:44px;font-weight:800;letter-spacing:.12em;text-align:center;background:var(--bg);border-radius:14px;padding:14px;color:var(--brand-ink)}
.col{display:flex;flex-direction:column;gap:16px;min-height:0}
.hint{font-size:12.5px;color:var(--ink3)}

/* 결과 */
.res{width:100%;display:grid;grid-template-columns:1.25fr 1fr;gap:24px;padding:24px 28px;min-height:0}
.podium{padding:24px 26px;display:flex;flex-direction:column;gap:14px}
.pod{display:flex;align-items:flex-end;justify-content:center;gap:16px;height:300px;padding-top:10px}
.pc{flex:1;max-width:190px;display:flex;flex-direction:column;align-items:center;gap:8px;justify-content:flex-end;height:100%;transition:.5s}
.pc.hide{opacity:0;transform:translateY(24px)}
.pc .em{font-size:34px}
.pc .nm{font-weight:800;text-align:center;font-size:15px}
.pc .tot{font-size:12.5px;color:var(--ink2);text-align:center;line-height:1.35}
.pc .blk{width:100%;border-radius:12px 12px 0 0;background:linear-gradient(to bottom,var(--c),color-mix(in srgb,var(--c) 70%,black));color:#fff;display:flex;justify-content:center;padding-top:10px;font-size:28px;font-weight:800}
.all{padding:20px 22px;display:flex;flex-direction:column;gap:9px;overflow:auto}
.arow{display:grid;grid-template-columns:24px 28px 1fr 130px;gap:10px;align-items:center;font-size:14px}
.arow .b{height:8px;background:var(--line2);border-radius:99px;overflow:hidden}
.arow .b i{display:block;height:100%;background:var(--c)}
.arow .r{text-align:right;font-weight:700}
.inv{padding:20px 22px;display:flex;flex-direction:column;gap:12px}
.irow{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:#fff}
.irow.me{background:var(--brand-soft);border-color:#C5CEF7}
.medal{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px}
.m1{background:#E0A800}.m2{background:#8E99A8}.m3{background:#B9722F}
.irow .s{margin-left:auto;text-align:right}
.irow .s b{font-size:18px;letter-spacing:-.02em}
.irow .s div{font-size:11px;color:var(--ink3)}
.formula{font-size:12.5px;color:var(--ink2);background:var(--bg);border-radius:10px;padding:10px 12px}
.confetti{font-size:28px}
::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#D6D3CB;border-radius:99px}

/* 추가 */
.err{background:#FDE8EA;color:#A3121E;border-radius:10px;padding:10px 13px;font-size:13.5px;font-weight:600}
.latest{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;border-radius:13px;border:1.5px solid var(--brand);background:var(--brand-soft);color:var(--brand-ink);transition:.15s}
.latest:hover{background:#DCE3FC}
.latest .c{font-size:22px;font-weight:800;letter-spacing:.14em}
.latest .tt{font-size:12.5px;font-weight:600;opacity:.8}
.latest .go{margin-left:auto;font-weight:800}
.rowlist{display:flex;flex-direction:column;gap:8px}
.rrow{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff}
.rrow b.cd{letter-spacing:.14em;font-size:18px}
.linkbtn{cursor:pointer;color:var(--brand-ink);text-decoration:underline;text-underline-offset:3px;font-size:12.5px}
.pc:not(.hide){animation:pop .5s ease}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:none}}
.conn{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#14181F;color:#fff;border-radius:99px;padding:8px 16px;font-size:13px;font-weight:600;z-index:9;display:none}
.conn.on{display:block}
.homebox{width:min(640px,92%);margin:auto;padding:30px;display:flex;flex-direction:column;gap:18px}
.tedit .emi{background:color-mix(in srgb,var(--c) 14%,white)}

[hidden]{display:none!important}

/* ---------- 모바일 · 태블릿 ---------- */
@media (max-width:900px){
  .top{height:auto;min-height:54px;padding:8px 14px;gap:8px 10px;flex-wrap:wrap}
  .logo small{display:none}
  .sp{flex:1}
  .rate{order:9;width:100%;justify-content:center;gap:6px;padding:5px 8px;font-size:11.5px}
  .rate .sep{display:none}.rate>span:nth-child(2){display:none}
  .seg button{padding:7px 10px;font-size:12.5px}
  .me{max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
  main{-webkit-overflow-scrolling:touch}
  .screen.on{height:auto;min-height:100%}
  .join{width:calc(100% - 24px);grid-template-columns:1fr;margin:12px auto}
  .join .hero{padding:22px;gap:14px}.join .hero h1{font-size:26px}.join .pair{font-size:32px}
  .join .hero>div:last-child{display:none}
  .join form{padding:22px}
  .invest,.tsetup,.run,.res{display:flex;flex-direction:column;padding:16px;gap:16px}
  .invest .left,.col{gap:14px}
  h1{font-size:24px}
  .teams,.tlist{display:flex;flex-direction:column;overflow:visible;padding:0}
  .team,.tedit{width:100%}
  .side{position:static}
  .tsetup .side,.run .side{width:100%}
  .run .side{order:-1}
  .ctrl{padding:16px}.code{font-size:34px;padding:10px}
  .kpis{grid-template-columns:repeat(3,1fr);gap:8px}
  .kpi{padding:12px}.kpi .n{font-size:24px}.kpi .hint{display:none}
  .kpi .chip{font-size:11px;padding:2px 6px}
  .phases div{font-size:11.5px;padding:8px 2px;gap:3px}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .pp{padding:8px;font-size:12.5px;gap:6px;min-width:0}
  .pp .st{font-size:11px;padding:2px 6px}
  .people{padding:14px}.people .hint{display:none}
  .pod{height:250px;gap:8px}
  .pc{min-width:0}.pc .em{font-size:26px}.pc .nm{font-size:13px}.pc .tot{font-size:11px}
  .podium,.all,.inv{padding:16px}
  .arow{grid-template-columns:20px 24px 1fr 70px;gap:8px}
  .homebox{width:calc(100% - 24px);padding:20px;margin:12px auto}
  .rrow{flex-wrap:wrap;gap:8px 12px}
  input,textarea,.tedit input,.tedit textarea{font-size:16px!important}
  .tedit .emi{font-size:20px!important}
  .tedit .langs label span{padding-top:11px}
  .tedit textarea{height:58px}
  .settings{padding:16px}
  .settings .two{grid-template-columns:1fr 1fr}
  .btn.sm{padding:10px 14px}
  .step{width:40px;height:40px;border-radius:10px}
  .presets button{padding:7px 12px;font-size:13px}
  input[type=range]{height:10px}
  input[type=range]::-webkit-slider-thumb{width:28px;height:28px}
  .amt .v{font-size:21px;min-width:76px}
  .amt .conv{font-size:11px}
  .center{padding:24px 16px}
  .conn{bottom:84px}
}

/* 폰: 투자 화면은 남은 금액 + 제출을 하단 고정 바로 */
@media (max-width:900px){
  .invest .side{position:sticky;bottom:0;z-index:6;margin:0 -16px -16px;align-self:stretch;width:auto}
  .invest .budget{display:grid;grid-template-columns:1fr auto;grid-template-areas:"rem sub" "btns hint";gap:8px 12px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-radius:18px 18px 0 0;border-width:1px 0 0;box-shadow:0 -6px 24px rgba(20,24,31,.12);align-items:center}
  .invest .budget>.ring{grid-area:rem;width:auto;height:auto;position:static}
  .invest .budget>.ring svg{display:none}
  .invest .budget>.ring .in{position:static;align-items:flex-start;flex-direction:column}
  .invest .budget>.ring .in .big{font-size:26px;line-height:1.1}
  .invest .budget>.cur,.invest .budget>.legend{display:none}
  .invest .budget>.bsub{grid-area:sub;width:auto!important;padding:13px 22px;font-size:15px}
  .invest .budget>.brow{grid-area:btns;width:auto!important}
  .invest .budget>.brow .btn{padding:8px 12px;font-size:12.5px;flex:none!important}
  .invest .budget>.bhint{grid-area:hint;font-size:11px;text-align:right!important;line-height:1.25}
  .msecret{display:none}
}
@media (max-width:420px){
  .top{padding:8px 12px}
  .seg button{padding:7px 8px;font-size:12px}
  .role{font-size:11px;padding:2px 8px}
  .logo{font-size:15px}.logo i{width:26px;height:26px}
}

/* 숫자 입력칸이 그리드 칸보다 넓어지지 않게 */
.settings .two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.field input,.field textarea,.field{min-width:0}
.field input{width:100%}

/* 폰: 헤더를 2줄로(아이콘·역할·언어·이름 / 환율) */
@media (max-width:600px){
  .logo{font-size:0;gap:0}.logo i{font-size:16px}
  .seg button{font-size:0;padding:7px 11px}
  .seg button::after{font-size:12.5px;font-weight:700}
  .seg [data-lang=ko]::after{content:'KO'}
  .seg [data-lang=id]::after{content:'ID'}
  .seg [data-lang=en]::after{content:'EN'}
  .me{max-width:32vw}
}
@media (max-width:900px){
  .ctrl{align-self:stretch}
  .latest{flex-wrap:wrap;gap:6px 10px}
  .latest .go{white-space:nowrap}
  .latest>span:nth-child(2){flex:1;min-width:0}
}