: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:#e4573d;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
  /* 자모 합치기 전용 */
  --cons:#24304f; --vow:#e4573d; --gold:#d9a521; --paper:#fbf8f0; --grid:#cfe0c6;
}
*{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: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}
.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{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)}
.btn--accent{background:var(--accent);color:#fff;border:none;font-weight:500}
.btn--accent:hover{background:var(--accent);filter:brightness(1.07)}
@media (max-width:640px){ .topbar{padding:14px 16px} }
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 레이아웃 ---------- */
.game{flex:1;display:flex;flex-wrap:wrap;align-items:stretch;min-height:0}
.stage{flex:999 1 440px;min-width:0;display:flex;flex-direction:column;align-items:center;gap:14px;padding:28px 28px 32px;
  background:radial-gradient(circle at 50% 0%,#fff 0,rgba(255,255,255,0) 60%)}
.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:24px}
.group{display:flex;flex-direction:column;gap:12px}
.group + .group{border-top:1px solid var(--line-3);padding-top:22px}
.group-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.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{position:relative;padding-left:28px}
.rules li::before{counter-increment:rule;content:counter(rule,decimal-leading-zero);position:absolute;left:0;top:3px;font-family:var(--mono);font-size:11px;line-height:1.4;color:var(--accent)}
.rules b{color:var(--ink)}
.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:14px 16px;border-radius:12px;background:var(--panel-soft)}
.best-val{font-family:var(--mono);font-size:26px;font-weight:700;letter-spacing:-.02em}
.side-note{margin:0;font-size:12px;color:var(--muted);line-height:1.6}

/* ---------- HUD ---------- */
.hud{width:100%;max-width:450px;display:grid;grid-template-columns:1.5fr .7fr auto auto;gap:8px;align-items:stretch}
.hud-cell{display:flex;flex-direction:column;justify-content:space-between;gap:4px;padding:8px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line);min-width:0}
.hud-score{background:var(--cons);border-color:var(--cons)}
.hud-score .mono-label{color:#9aa6c6}
.hud-num{font-family:var(--mono);font-size:24px;font-weight:700;line-height:1.05;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:-.02em}
.hud-num--s{color:var(--ink);font-size:20px}
.hud-num.is-bump{animation:bump .3s ease-out}
.slot,.next{display:flex;gap:4px;align-items:center;min-height:28px}
.slot{width:28px}
.mini{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;font-weight:700;font-size:16px;color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.18);transition:transform .15s}
.mini--c{background:var(--cons)}
.mini--v{background:var(--vow)}
.mini--l{background:linear-gradient(135deg,#f0c24b,#d9a521);color:#fff;font-family:var(--mono)}
.mini--x{background:#fff;color:var(--cons);border:1.5px dashed var(--cons);box-shadow:none;font-size:15px}
.next .mini:nth-child(2){transform:scale(.86);opacity:.8}
.next .mini:nth-child(3){transform:scale(.74);opacity:.6}
.slot.is-used .mini{opacity:.35}
.slot:empty::after{content:"";width:28px;height:28px;border-radius:7px;border:1.5px dashed var(--line-2)}

/* ---------- 보드 ---------- */
.board-wrap{position:relative;width:100%;max-width:450px;display:flex;justify-content:center}
.board{display:block;-webkit-tap-highlight-color:transparent;border-radius:14px;background:var(--paper);box-shadow:0 0 0 1px #e2dccb,0 2px 0 #d8d1bd,0 26px 50px -26px rgba(36,48,79,.45);touch-action:none;user-select:none;-webkit-user-select:none;outline:none;cursor:pointer}
.board:focus-visible{box-shadow:0 0 0 2px rgba(36,48,79,.35),0 26px 50px -26px rgba(36,48,79,.45)}
.overlay{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;padding:14px;border-radius:14px;background:rgba(251,248,240,.82);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:fade .25s ease-out}
.overlay--over{background:rgba(36,48,79,.55)}
.ov-card{width:100%;max-width:330px;display:flex;flex-direction:column;align-items:center;gap:12px;padding:22px 20px;background:var(--panel);border-radius:18px;box-shadow:0 18px 50px rgba(36,48,79,.25);text-align:center;animation:rise .35s cubic-bezier(.2,1.2,.4,1)}
.ov-card--s{max-width:240px}
.ov-title{font-size:19px;line-height:1.35;letter-spacing:-.02em}
.ov-rules{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:12.5px;line-height:1.55;color:var(--ink-2);text-align:left}
.ov-rules li{padding-left:14px;position:relative}
.ov-rules li::before{content:"";position:absolute;left:2px;top:8px;width:5px;height:5px;border-radius:2px;background:var(--gold)}
.ov-btn{height:44px;padding:0 26px;font-size:15px}
.ov-hint{font-size:11.5px;color:var(--muted)}
.demo{display:flex;align-items:center;gap:3px;padding:10px 12px;border-radius:12px;background:var(--paper);box-shadow:inset 0 0 0 1px #e8e1cd}
.t{width:30px;height:30px;border-radius:7px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:17px;box-shadow:inset 0 -2px 0 rgba(0,0,0,.18)}
.t--c{background:var(--cons)}
.t--v{background:var(--vow)}
.demo .t{animation:demoPop 2.4s ease-in-out infinite}
.demo .t:nth-child(2){animation-delay:.12s}
.demo .t:nth-child(3){animation-delay:.24s}
.demo .t:nth-child(4){animation-delay:.36s}
.demo-arrow{margin:0 6px;color:var(--muted);font-family:var(--mono)}
.demo-word{font-size:20px;font-weight:700;color:var(--cons);letter-spacing:-.02em}

/* 결과 카드 */
.result{width:100%;max-width:340px;display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:18px;
  background:#fff;box-shadow:0 0 0 6px var(--paper),0 0 0 7px #d3e3c9,0 22px 60px rgba(0,0,0,.35);animation:rise .4s cubic-bezier(.2,1.2,.4,1)}
.result-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.result-badge{font-family:var(--mono);font-size:10px;letter-spacing:.12em;padding:3px 8px;border-radius:999px;background:var(--gold);color:#fff}
.result-score{font-family:var(--mono);font-size:46px;font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--cons)}
.result-line{margin:0;font-size:14px;color:var(--ink-2)}
.result-stats{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.result-stats div{padding:8px 10px;border-radius:10px;background:var(--panel-soft)}
.result-stats dt{font-size:11px;color:var(--muted)}
.result-stats dd{margin:2px 0 0;font-weight:700;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.result-words{display:flex;flex-wrap:wrap;gap:4px;max-height:64px;overflow:hidden}
.chip{font-size:12px;padding:3px 8px;border-radius:999px;background:#fdf3d7;color:#7a5a00;border:1px solid #f1dfa6}
.chip--3{background:var(--cons);color:#fff;border-color:var(--cons)}
.result-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:4px}
.result-actions .btn{height:40px;padding:0 18px}

/* ---------- 터치 패드 ---------- */
.pad{width:100%;max-width:450px;display:grid;grid-template-columns:repeat(3,1fr) 1fr 1.6fr;gap:6px}
.pad-btn{-webkit-tap-highlight-color:transparent;height:50px;border:1px solid var(--line-2);border-radius:14px;background:var(--panel);font-size:20px;font-weight:700;cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none;box-shadow:0 2px 0 var(--line-2)}
.pad-btn:active,.pad-btn.is-down{transform:translateY(2px);box-shadow:none;background:var(--soft)}
.pad-btn--txt{font-size:14px;font-weight:500}
.pad-btn--drop{background:var(--cons);color:#fff;border-color:var(--cons);font-size:14px;box-shadow:0 2px 0 #121a2e}
.pad-btn--drop:active,.pad-btn--drop.is-down{background:#1a2440}
.stage-hint{margin:0;font-size:12px;color:var(--muted);text-align:center;line-height:1.5;max-width:450px}
@media (hover:hover) and (pointer:fine){ .pad{display:none} }

/* 단어 기록 */
.wordlog{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;max-height:220px;overflow:auto}
.wordlog li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 10px;border-radius:9px;background:var(--panel-soft);font-size:14px;animation:slideIn .3s ease-out}
.wordlog li b{font-weight:700;letter-spacing:-.01em}
.wordlog li span{font-family:var(--mono);font-size:12px;color:var(--accent)}
.wordlog li em{font-style:normal;font-size:10.5px;color:var(--gold);margin-left:6px;font-family:var(--mono);letter-spacing:.06em}
.wordlog .wordlog-empty{background:none;color:var(--muted);font-size:12.5px;padding:4px 0;animation:none}

.toast{position:fixed;left:50%;bottom:28px;z-index:100;transform:translate(-50%,20px);padding:10px 16px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.12)}100%{transform:scale(1)}}
@keyframes slideIn{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:none}}
@keyframes demoPop{0%,55%,100%{transform:none;opacity:1}70%{transform:translateY(-4px) scale(1.06)}85%{opacity:.25;transform:scale(.8)}}

@media (max-width:640px){
  .stage{padding:16px 16px 24px;gap:10px}
  .side{border-left:none;border-top:1px solid var(--line);padding:24px 16px 40px}
  .hud{grid-template-columns:1.3fr .6fr auto auto;gap:6px}
  .hud-cell{padding:6px 9px}
  .hud-num{font-size:20px}
  .hud-num--s{font-size:17px}
  .mini{width:24px;height:24px;font-size:14px;border-radius:6px}
  .slot{width:24px}
  .slot:empty::after{width:24px;height:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) — 원고지 판 색은 --jd-* 로 app.js가 읽음 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#141317; --surface:#1a191d; --panel:#1f1e23; --panel-soft:#242328;
    --ink:#edebef; --ink-hover:#ffffff; --ink-2:#cac7cf; --sub:#a29fa8; --muted:#8b8892;
    --line:#2f2d33; --line-2:#3a383e; --line-3:#27262b; --hover:#2a292f; --soft:#27262b; --track:#35333a;
    --cons:#3b4d80; --paper:#1d1c21; --grid:#2e3a2d;
    --jd-paper:#1d1c21; --jd-limitZone:rgba(228,87,61,.1); --jd-grid:#2e3a2d; --jd-limitLine:rgba(240,110,85,.6); --jd-limitText:rgba(240,110,85,.7);
    --jd-cons:#3b4d80; --jd-eraserBg:#3a3220; --jd-eraserInk:#e0b544; --jd-badgeBg:#3a3220; --jd-badgeInk:#f0d58c;
    --jd-colHint:rgba(255,255,255,.04); --jd-ghost:rgba(200,210,240,.45); --jd-trail:160,180,230;
    --jd-popupStroke:#1d1c21; --jd-popupCons:#a9bcef; --jd-gold:#e0b544;
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .stage{background:radial-gradient(circle at 50% 0%,rgba(255,255,255,.05) 0,rgba(255,255,255,0) 60%)}
  :root[data-theme="dark"] .hud-score .mono-label{color:#b3bfdf}
  :root[data-theme="dark"] .mini--x{background:var(--panel);color:#a9bcef;border-color:#5a6ea6}
  :root[data-theme="dark"] .board{box-shadow:0 0 0 1px var(--line-2),0 2px 0 var(--line),0 26px 50px -26px rgba(0,0,0,.8)}
  :root[data-theme="dark"] .board:focus-visible{box-shadow:0 0 0 2px rgba(169,188,239,.5),0 26px 50px -26px rgba(0,0,0,.8)}
  :root[data-theme="dark"] .overlay{background:rgba(20,19,23,.8)}
  :root[data-theme="dark"] .overlay--over{background:rgba(0,0,0,.55)}
  :root[data-theme="dark"] .ov-card{box-shadow:0 18px 50px rgba(0,0,0,.6),0 0 0 1px var(--line-2)}
  :root[data-theme="dark"] .demo{box-shadow:inset 0 0 0 1px var(--line-2)}
  :root[data-theme="dark"] .demo-word,:root[data-theme="dark"] .result-score{color:#a9bcef}
  :root[data-theme="dark"] .result{background:var(--panel);box-shadow:0 0 0 6px var(--paper),0 0 0 7px var(--grid),0 22px 60px rgba(0,0,0,.6)}
  :root[data-theme="dark"] .chip{background:rgba(217,165,33,.14);color:#f0d58c;border-color:rgba(217,165,33,.35)}
  :root[data-theme="dark"] .result-badge{color:#241a00}
  :root[data-theme="dark"] .chip--3{background:var(--cons);color:#fff;border-color:var(--cons)}
  :root[data-theme="dark"] .pad-btn--drop{box-shadow:0 2px 0 #0d1220}
}