: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:#1c1c1a;
  --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{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.app{min-height:calc(100vh - 48px);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}
.home{font-size:13px;color:var(--ink-2);text-decoration:none}
.home:hover{color:var(--ink)}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer}
.btn:hover{background:var(--hover)}
.btn:disabled{opacity:.4;cursor:default}
.btn:disabled:hover{background:transparent}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover{background:var(--ink-hover)}
.text-input{height:40px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:8px;font:inherit;font-size:14px;color:var(--ink)}
@media (max-width:640px){ .topbar{padding:14px 16px} }

/* ---------- 게임 공통 셸 ---------- */
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.btn--accent{background:var(--accent);color:#fff;border:none;font-weight:500}
.btn--accent:hover{background:var(--accent);filter:brightness(1.08)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.game{flex:1;display:flex;flex-wrap:wrap;align-items:stretch;min-height:0}
.stage{flex:999 1 420px;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px 28px}
.side{flex:1 1 300px;min-width:0;max-width:100%;border-left:1px solid var(--line);background:var(--panel);padding:28px 24px 40px;display:flex;flex-direction:column;gap:28px}
.group{display:flex;flex-direction:column;gap:12px}
.group + .group{border-top:1px solid var(--line-3);padding-top:24px}
.rules{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink-2);line-height:1.6;counter-reset:rule}
.rules li{display:flex;gap:10px}
.rules li::before{counter-increment:rule;content:counter(rule,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--accent);padding-top:3px;flex-shrink:0}
.keys{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--ink-2)}
.keys div{display:flex;justify-content:space-between;align-items:center;gap:12px}
.kbd{display:inline-block;font-family:var(--mono);font-size:11px;line-height:1.4;padding:1px 6px;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;background:var(--surface);color:var(--ink)}
.best-card{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px;border-radius:12px;background:var(--panel-soft)}
.best-val{font-family:var(--mono);font-size:28px;font-weight:500;letter-spacing:-.02em}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.seg-btn{flex:1;height:30px;padding:0 10px;background:transparent;color:var(--sub);border:none;border-radius:999px;font-size:12px;cursor:pointer;white-space:nowrap}
.seg-btn.is-active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.link-btn{padding:0;background:none;border:none;font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
@media (max-width:640px){
  .stage{padding:24px 16px}
  .side{border-left:none;border-top:1px solid var(--line);padding:24px 16px 40px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.side-note{margin:0;font-size:12px;color:var(--muted);line-height:1.6}


/* ---------- 단어 맞추기 판 ---------- */
:root{--accent:#3f9b5f;--correct:#3f9b5f;--present:#e2a62a;--absent:#8d8a82;--tile:54px;--hanji:#fbf7ee}
.stage{gap:12px;justify-content:flex-start;padding-top:28px}
.mode-seg{width:min(100%,280px)}
.puzzle-meta{margin:0;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--sub)}
.board-area{position:relative;padding:18px 18px 16px;border-radius:24px;background:var(--hanji);background-image:radial-gradient(rgba(140,120,80,.06) 1px,transparent 1.4px),radial-gradient(rgba(140,120,80,.05) 1px,transparent 1.4px);background-size:7px 7px,11px 11px;background-position:0 0,3px 5px;border:1px solid #ece4d2;box-shadow:0 20px 40px -28px rgba(63,155,95,.5)}
.board{display:flex;flex-direction:column;gap:6px}
.row{position:relative;display:grid;grid-template-columns:repeat(6,var(--tile));gap:6px}
.row.is-shake{animation:shake .4s}
.row-word{position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);font-size:15px;font-weight:700;color:var(--ink-2);white-space:nowrap;opacity:0;transition:opacity .3s}
.row-word.is-on{opacity:1}
.row.is-current .row-word{color:var(--muted);font-weight:500}
.tile{display:flex;align-items:center;justify-content:center;width:var(--tile);height:var(--tile);border:2px solid #e2dccd;border-radius:10px;background:#fffdf8;font-size:26px;font-weight:700;color:var(--ink);user-select:none;-webkit-user-select:none}
.tile.is-filled{border-color:#a9a395;animation:tap .1s ease-out}
.tile.is-flip{animation:flip .5s ease-in-out both}
.tile.t-correct,.tile.t-present,.tile.t-absent{color:#fff;border-color:transparent}
.t-correct{background:var(--correct)}
.t-present{background:var(--present)}
.t-absent{background:var(--absent)}
.row.is-win .tile{animation:hop .5s ease-out both}

.toast{position:absolute;left:50%;top:10px;transform:translate(-50%,-6px);z-index:5;max-width:calc(100% - 20px);padding:10px 16px;border-radius:12px;background:var(--ink);color:#fff;font-size:13.5px;font-weight:500;text-align:center;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

.kb{display:flex;flex-direction:column;gap:7px;width:min(100%,520px);margin-top:6px;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.kb-row{display:flex;justify-content:center;gap:6px}
.key{flex:1 1 0;max-width:48px;height:54px;padding:0;border:none;border-radius:9px;background:#e7e3d8;font:inherit;font-size:18px;font-weight:700;color:var(--ink);cursor:pointer;transition:background .2s,transform .06s;-webkit-tap-highlight-color:transparent}
.key:active{transform:scale(.94)}
.key--wide{flex:1.6 1 0;max-width:76px;font-size:13px}
.key--vowel{background:#efe9da}
.key.t-correct,.key.t-present,.key.t-absent{color:#fff}
.key.t-correct{background:var(--correct)}
.key.t-present{background:var(--present)}
.key.t-absent{background:#a9a59b}
.key svg{width:22px;height:22px;display:block;margin:auto}
.kb-hint{margin:0;font-size:12px;color:var(--muted);text-align:center}
.hint-touch{display:none}

.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(28,28,26,.45);animation:fadeIn .2s ease-out}
.modal-card{position:relative;width:min(100%,400px);max-height:calc(100vh - 32px);overflow:auto;display:flex;flex-direction:column;align-items:center;gap:12px;padding:26px 24px 22px;border-radius:22px;background:var(--panel);box-shadow:0 30px 70px rgba(0,0,0,.3);animation:rise .3s cubic-bezier(.2,1.2,.4,1)}
.modal-x{position:absolute;right:12px;top:12px;width:34px;height:34px;border:none;border-radius:50%;background:var(--soft);font-size:14px;cursor:pointer}
.m-title{font-size:21px;letter-spacing:-.01em}
.m-answer{margin:0;font-size:14px;color:var(--ink-2);text-align:center}
.m-answer b{font-size:18px;color:var(--correct)}
.m-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;width:100%}
.m-stats div{display:flex;flex-direction:column;align-items:center;gap:2px}
.m-stats strong{font-family:var(--mono);font-size:26px;font-weight:700}
.m-stats span{font-size:11px;color:var(--sub);text-align:center}
.m-sub{align-self:flex-start;margin-top:4px}
.dist{display:flex;flex-direction:column;gap:5px;width:100%}
.dist-row{display:grid;grid-template-columns:14px 1fr;gap:8px;align-items:center;font-family:var(--mono);font-size:12px}
.dist-bar{min-width:24px;padding:3px 7px;border-radius:5px;background:var(--absent);color:#fff;text-align:right;font-weight:700;transition:width .4s}
.dist-bar.is-now{background:var(--correct)}
.m-actions{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;width:100%;margin-top:6px;padding-top:14px;border-top:1px solid var(--line-3)}
.m-actions .btn{height:40px;padding:0 16px}
.next-in{width:100%;text-align:center;font-family:var(--mono);font-size:12px;color:var(--sub)}
.next-in:empty{display:none}

.ex-row{display:flex;gap:4px}
.ex-tile{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:7px;color:#fff;font-weight:700;font-size:15px}
.legend{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--ink-2);line-height:1.5}
.legend li{display:flex;gap:8px;align-items:flex-start}
.sw{width:12px;height:12px;border-radius:3px;flex-shrink:0;margin-top:4px}
.rule-lead{margin:0;font-size:13px;color:var(--ink-2);line-height:1.6}
.jamo-rules{margin:0;display:flex;flex-direction:column;gap:6px}
.jamo-rules div{display:grid;grid-template-columns:48px 1fr;gap:8px;font-size:12.5px;line-height:1.55}
.jamo-rules dt{font-weight:700;color:var(--correct)}
.jamo-rules dd{margin:0;color:var(--ink-2)}
.examples{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.examples div{display:flex;flex-direction:column;gap:2px;padding:8px 10px;border-radius:10px;background:var(--panel-soft)}
.examples b{font-size:14px}
.examples span{font-size:12px;color:var(--sub);letter-spacing:.02em;white-space:nowrap}

@keyframes tap{0%{transform:scale(.88)}100%{transform:scale(1)}}
@keyframes flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}100%{transform:rotateX(0)}}
@keyframes hop{0%,100%{transform:none}40%{transform:translateY(-12px)}}
@keyframes shake{0%,100%{transform:none}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@media (max-width:860px){ .row-word{display:none} }
@media (max-width:640px),(hover:none){ .hint-desk{display:none} .hint-touch{display:inline} }
@media (max-width:640px){
  :root{--tile:min(46px,calc((100vw - 92px) / 6))}
  .stage{padding-top:20px}
  .board-area{padding:12px;border-radius:18px}
  .board,.row{gap:5px}
  .tile{font-size:22px;border-radius:8px}
  .kb{gap:6px}
  .kb-row{gap:4px}
  .key{height:50px;font-size:16px;border-radius:7px}
  .key--wide{font-size:12px}
}

/* 다크 모드 (인쇄는 라이트 그대로) — 밤 한지 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#141412; --surface:#1a1a17; --panel:#1f1f1c; --panel-soft:#252522;
    --ink:#ecebe6; --ink-hover:#ffffff; --ink-2:#c9c8c0; --sub:#a1a097; --muted:#8c8a82;
    --line:#2e2e2a; --line-2:#393934; --line-3:#272724; --hover:#2a2a27; --soft:#272724; --track:#353530;
    --accent:#4fb072; --correct:#3f9b5f; --present:#b37c0e; --absent:#5d5b55; --hanji:#1f1e1a;
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .btn--accent{background:#3f9b5f}
  :root[data-theme="dark"] .seg-btn.is-active{background:var(--hover);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .board-area{background-image:radial-gradient(rgba(255,240,200,.035) 1px,transparent 1.4px),radial-gradient(rgba(255,240,200,.03) 1px,transparent 1.4px);border-color:#302e27;box-shadow:0 20px 40px -28px rgba(0,0,0,.8)}
  :root[data-theme="dark"] .tile{background:#272621;border-color:#3b3a33}
  :root[data-theme="dark"] .tile.is-filled{border-color:#77746a}
  :root[data-theme="dark"] .tile.t-correct,:root[data-theme="dark"] .tile.t-present,:root[data-theme="dark"] .tile.t-absent{border-color:transparent}
  :root[data-theme="dark"] .tile.t-correct{background:var(--correct)}
  :root[data-theme="dark"] .tile.t-present{background:var(--present)}
  :root[data-theme="dark"] .tile.t-absent{background:var(--absent)}
  :root[data-theme="dark"] .key{background:#3a3934}
  :root[data-theme="dark"] .key--vowel{background:#45433b}
  :root[data-theme="dark"] .key.t-correct{background:var(--correct)}
  :root[data-theme="dark"] .key.t-present{background:var(--present)}
  :root[data-theme="dark"] .key.t-absent{background:#24231f;color:#8c8a82}
  :root[data-theme="dark"] .jamo-rules dt,:root[data-theme="dark"] .m-answer b{color:#56b97a}
  :root[data-theme="dark"] .modal{background:rgba(0,0,0,.6)}
  :root[data-theme="dark"] .modal-card{box-shadow:0 0 0 1px var(--line-2),0 30px 70px rgba(0,0,0,.5)}
}