:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#e8590c; /* 탠저린 */
  --accent-ink:#c2410c;
  --accent-soft:#fdeee4;
  --warn:#c92a2a; --warn-soft:#fff0f0;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer;white-space:nowrap}
.btn:hover:not(:disabled){background:var(--hover)}
.btn:disabled{opacity:.45;cursor:default}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover:not(:disabled){background:var(--ink-hover)}
.btn--small{height:30px;padding:0 12px;font-size:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:640px){ .topbar{padding:14px 16px} }

.tm{flex:1;width:100%;max-width:1280px;margin:0 auto;padding:24px 28px 40px;display:grid;grid-template-columns:360px minmax(0,1fr);gap:24px;align-items:start}

/* 왼쪽 패널 */
.panel{display:flex;flex-direction:column;gap:12px;min-width:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.card-title{font-size:14px;font-weight:700}
.card-title small{font-weight:400;color:var(--muted);font-size:12px;margin-left:4px}
.count{font-family:var(--mono);font-size:12px;color:var(--accent-ink);background:var(--accent-soft);border-radius:999px;padding:3px 10px}
.names{width:100%;min-height:200px;resize:vertical;padding:12px 14px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);font-size:14px;line-height:1.65}
.names:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.names::placeholder{color:var(--muted)}
.hints{margin:0;padding:0 0 0 16px;font-size:12px;line-height:1.7;color:var(--sub)}
.hints b{color:var(--ink-2)}
.hints code{font-family:var(--mono);font-size:11px;background:var(--soft);border-radius:4px;padding:1px 4px}
.warn{margin:0;font-size:12px;color:var(--warn);background:var(--warn-soft);border-radius:8px;padding:8px 10px;line-height:1.5}

.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.seg-btn{flex:1;height:32px;padding:0 12px;background:transparent;color:var(--sub);border:none;border-radius:999px;font-size:13px;cursor:pointer;white-space:nowrap}
.seg-btn.is-active{background:var(--panel);color:var(--ink);font-weight:500;box-shadow:0 1px 3px rgba(0,0,0,.12)}

.stepper{display:flex;align-items:center;gap:8px}
.step{width:44px;height:44px;border:1px solid var(--line-2);background:var(--panel);border-radius:12px;font-size:20px;cursor:pointer;flex-shrink:0;line-height:1}
.step:hover{border-color:var(--accent);color:var(--accent-ink)}
.step-val{flex:1;display:flex;align-items:baseline;justify-content:center;gap:6px;height:44px;border-bottom:2px solid var(--line-2);min-width:0}
.step-val:focus-within{border-color:var(--accent)}
.step-val input{width:3.2ch;border:none;background:transparent;font-family:var(--mono);font-size:30px;font-weight:500;text-align:right;padding:0;outline:none;-moz-appearance:textfield;appearance:textfield}
.step-val input::-webkit-inner-spin-button,.step-val input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.step-val span{font-size:14px;color:var(--ink-2)}
.remain{display:flex;flex-direction:column;gap:6px;padding:10px 12px;background:var(--panel-soft);border-radius:10px}
.remain-title{font-size:12px;color:var(--sub)}
.radio{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.radio input{accent-color:var(--accent);margin:0}
.plan{margin:0;font-size:13px;color:var(--ink-2);line-height:1.5}
.plan b{color:var(--accent-ink);font-weight:700}

.cons{display:flex;flex-direction:column;gap:8px}
.cons:empty{display:none}
.con{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px;align-items:center;padding:8px;border-radius:10px;background:var(--panel-soft);border:1px solid var(--line-3)}
.con-type{height:28px;padding:0 10px;border-radius:999px;border:none;font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap}
.con-type[data-type="same"]{background:#e7f5ec;color:#22783f}
.con-type[data-type="diff"]{background:#fdecec;color:#b42323}
.con input{width:100%;min-width:0;height:32px;padding:0 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--panel);font-size:13px}
.con input:focus{outline:none;border-color:var(--accent)}
.con-del{width:28px;height:28px;border:none;background:transparent;border-radius:50%;cursor:pointer;color:var(--muted);font-size:16px}
.con-del:hover{background:var(--hover);color:var(--ink)}
.con-msg{grid-column:1/-1;margin:0;font-size:11.5px;color:var(--warn)}
.con-msg:empty{display:none}
.cons-add{display:flex;gap:6px;flex-wrap:wrap}
.opt{display:flex;flex-direction:column;gap:8px;padding-top:6px;border-top:1px dashed var(--line-2)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--accent);margin:0}
.tag-chips{display:flex;flex-wrap:wrap;gap:4px;padding-left:24px}
.tag-chips:empty{display:none}
.tag-chips span{font-size:11.5px;padding:2px 8px;border-radius:999px;background:var(--soft);color:var(--ink-2)}
.tag-chips b{font-family:var(--mono);font-weight:500;margin-left:3px;color:var(--accent-ink)}
.sel{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px}
.sel select{height:34px;padding:0 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--panel);font-size:13px;min-width:0;max-width:200px}

.go{display:flex;align-items:center;justify-content:center;gap:10px;height:56px;border:none;border-radius:16px;background:var(--accent);color:#fff;font-size:17px;font-weight:700;cursor:pointer;box-shadow:0 6px 0 var(--accent-ink);transition:transform .08s,box-shadow .08s}
.go:hover{filter:brightness(1.05)}
.go:active{transform:translateY(4px);box-shadow:0 2px 0 var(--accent-ink)}
.go kbd{font-family:var(--mono);font-size:10.5px;font-weight:400;padding:2px 6px;border:1px solid rgba(255,255,255,.5);border-radius:5px;opacity:.85}
.fair{margin:4px 0 0;font-size:12px;color:var(--sub);display:flex;gap:6px;align-items:baseline;line-height:1.5}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0;transform:translateY(-1px)}

/* 결과 보드 */
.board{min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px;display:flex;flex-direction:column;gap:14px;min-height:520px;
  background-image:radial-gradient(var(--line-3) 1px,transparent 1px);background-size:18px 18px}
.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sum{display:flex;flex-direction:column;gap:2px;min-width:0}
.sum b{font-size:18px;letter-spacing:-.01em}
.board-actions{display:flex;gap:6px;flex-wrap:wrap}
.err{margin:0;padding:10px 12px;border-radius:10px;background:var(--warn-soft);color:var(--warn);font-size:13px;line-height:1.5}
.teams{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;align-items:start}
.empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:380px;color:var(--sub);font-size:14px;text-align:center}
.empty p{margin:0}
.empty-art{display:grid;grid-template-columns:repeat(3,22px);gap:6px}
.empty-art i{width:22px;height:22px;border-radius:50%;background:var(--line-2)}
.empty-art i:nth-child(3n+1){background:var(--accent);opacity:.8}
.empty-art i:nth-child(3n+2){background:#1971c2;opacity:.55}
.empty-art i:nth-child(3n){background:#2f9e44;opacity:.55}

.team{--c:var(--accent);background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(0,0,0,.04);animation:pop .35s cubic-bezier(.2,.9,.3,1.3) both;animation-delay:calc(var(--i,0) * 50ms)}
.team-head{display:flex;align-items:center;gap:8px;padding:12px 14px 10px;border-top:5px solid var(--c)}
.team-head h3{margin:0;font-size:16px;font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.team-n{font-family:var(--mono);font-size:12px;color:var(--sub)}
.members{list-style:none;margin:0;padding:0 8px 8px;display:flex;flex-direction:column;gap:2px}
.m{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;font-size:14px;min-width:0}
.m:nth-child(odd){background:var(--panel-soft)}
.m-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m.is-spin .m-name{color:var(--muted)}
.m.is-land .m-name{animation:land .3s ease}
.m-tag{font-size:10.5px;padding:1px 6px;border-radius:999px;background:var(--soft);color:var(--ink-2);flex-shrink:0}
.crown{font-size:10.5px;font-weight:700;padding:2px 6px;border-radius:999px;background:var(--c);color:#fff;flex-shrink:0}
.team-foot{margin-top:auto;padding:8px 14px 10px;border-top:1px dashed var(--line);font-size:11.5px;color:var(--sub)}
.team-foot b{font-family:var(--mono);font-weight:500;color:var(--ink-2)}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
@keyframes land{from{transform:translateY(-6px);opacity:.3}to{transform:none;opacity:1}}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:20}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

@media (max-width:960px){
  .tm{grid-template-columns:minmax(0,1fr)}
  .board{min-height:0}
  .empty{min-height:200px}
}
@media (max-width:640px){
  .tm{padding:16px 16px 32px;gap:16px}
  .board{padding:14px;border-radius:16px}
  .teams{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
  .board-actions{width:100%}
  .board-actions .btn{flex:1;padding:0 8px}
  .go kbd{display:none}
}
@media (max-width:360px){ .teams{grid-template-columns:minmax(0,1fr)} }
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) — PNG 저장 결과는 항상 밝은 카드 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#15130f; --surface:#1b1915; --panel:#211e1a; --panel-soft:#27241f;
    --ink:#eeebe5; --ink-hover:#ffffff; --ink-2:#cbc6bd; --sub:#a39d93; --muted:#8c867c;
    --line:#302c26; --line-2:#3c372f; --line-3:#29261f; --hover:#2d2a24; --soft:#2a2722; --track:#36322b;
    --accent:#ff8a4c; --accent-ink:#ffa070; --accent-soft:rgba(255,138,76,.15);
    --warn:#ff8787; --warn-soft:rgba(255,107,107,.12);
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .btn--solid{background:var(--accent)}
  :root[data-theme="dark"] .btn--solid:hover:not(:disabled){background:var(--accent-ink)}
  :root[data-theme="dark"] .go{background:#e8590c;box-shadow:0 6px 0 #9a3a07}
  :root[data-theme="dark"] .go:active{box-shadow:0 2px 0 #9a3a07}
  :root[data-theme="dark"] .seg-btn.is-active{background:var(--line-2);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .con-type[data-type="same"]{background:rgba(81,207,102,.14);color:#7ddc8e}
  :root[data-theme="dark"] .con-type[data-type="diff"]{background:rgba(255,107,107,.14);color:#ff9b9b}
  :root[data-theme="dark"] .team{box-shadow:none}
}