/* ============================================================
 *  KVocap (케이보캅) — 스타일 · 임시 MVP
 * ============================================================ */
:root{
  --bg:#0f1226; --bg2:#171a35; --card:#1e2244; --line:#2c3160;
  --txt:#eef0ff; --mut:#9aa0d0; --pri:#6c5ce7; --pri2:#8e7bff;
  --win:#2ecc71; --lose:#e74c3c; --draw:#f39c12; --gold:#ffd166;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--arena-bg,linear-gradient(160deg,var(--bg),var(--bg2)));
  background-attachment:fixed; background-size:cover; background-position:center;
  color:var(--txt); font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  min-height:100vh; transition:background .4s ease;
}
/* 풀스크린 테마 분위기 — 가장자리 비네트로 "씬" 깊이감 */
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(var(--arena-overlay,transparent),var(--arena-overlay,transparent)),radial-gradient(130% 100% at 50% -8%,transparent 58%,rgba(0,0,0,.45))}
.wrap{max-width:680px;margin:0 auto;padding:0 16px}
a{color:var(--pri2);text-decoration:none}
h1,h2,h3{margin:.4em 0}

/* 헤더 */
.kv-header{border-bottom:1px solid var(--line);background:rgba(8,10,20,.5);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}
.kv-header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.kv-logo{font-size:1.4rem;font-weight:800;color:var(--txt);letter-spacing:-.5px}
.kv-logo span{color:var(--pri2)}
.kv-logo em{display:block;font-size:.62rem;color:var(--mut);font-weight:500;letter-spacing:0}
.kv-usermenu{position:relative}
.kv-me{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);
  color:var(--txt);border-radius:999px;padding:7px 14px;cursor:pointer;font-size:.85rem;transition:.15s}
.kv-me:hover{border-color:var(--pri2)}
.kv-nick{font-weight:700}
.kv-rank{color:var(--gold);font-size:.78rem}
.kv-lv{color:var(--gold);font-size:.8rem;font-family:monospace;font-weight:700}
.kv-lv small{font-size:.62em;opacity:.7;font-weight:600}
.kv-pf-lv small{font-size:.5em;opacity:.7;vertical-align:0.15em}
.kv-result .rank small{font-size:.62em;opacity:.7}
.kv-caret{color:var(--mut);font-size:.7rem}
.kv-profile{padding:12px 14px 10px;text-align:center;border-bottom:1px solid var(--line);margin-bottom:4px}
.kv-pf-lv{font-size:1.5rem;font-weight:850;font-family:monospace;color:var(--gold)}
.kv-pf-league{font-size:.82rem;color:var(--pri2);margin-top:2px}
.kv-pf-meta{font-size:.74rem;color:var(--mut);margin-top:4px}
.kv-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:210px;background:var(--card);
  border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 12px 30px rgba(0,0,0,.45);z-index:30}
.kv-menu-item{display:block;padding:11px 14px;border-radius:10px;color:var(--txt);font-size:.92rem;font-weight:600}
.kv-menu-item:hover{background:var(--bg2)}
.kv-menu-item.danger:hover{background:rgba(231,76,60,.18);color:#ff8e80}
.kv-menu-lang{padding:8px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:4px 0}
.kv-menu-lang-h{font-size:.72rem;color:var(--mut);letter-spacing:.5px;margin-bottom:8px}
.kv-menu-flags{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.kv-flag{display:grid;place-items:center;padding:6px 0;border-radius:8px;font-size:1.15rem;border:1px solid transparent;background:var(--bg2)}
.kv-flag:hover{border-color:var(--pri2)}
.kv-flag.on{border-color:var(--gold);background:rgba(255,209,102,.15)}
.kv-menu-topics{display:flex;flex-wrap:wrap;gap:5px;max-height:160px;overflow-y:auto}
.kv-topic{font-size:.78rem;padding:5px 9px;border-radius:8px;background:var(--bg2);border:1px solid transparent;color:var(--txt)}
.kv-topic:hover{border-color:var(--pri2)}
.kv-topic.on{border-color:var(--gold);background:rgba(255,209,102,.15);color:var(--gold)}

main.wrap{padding-top:24px;padding-bottom:60px}

/* 카드 */
.kv-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:16px 0}
.kv-card h3{margin-top:0;color:var(--mut);font-size:.92rem;text-transform:uppercase;letter-spacing:1px}

/* 버튼 */
.kv-btn-primary{display:inline-block;background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;
  font-weight:700;padding:14px 26px;border:none;border-radius:14px;cursor:pointer;font-size:1rem;
  box-shadow:0 6px 20px rgba(108,92,231,.4);transition:transform .12s}
.kv-btn-primary:hover{transform:translateY(-2px)}
.kv-btn-big{font-size:1.25rem;padding:18px 34px}
.kv-btn-ghost{display:inline-block;padding:14px 22px;border:1px solid var(--line);border-radius:14px;color:var(--mut)}

/* 입장 */
.kv-hero{text-align:center;padding:30px 0}
.kv-hero h1{font-size:2rem}
.kv-hero h1 span{color:var(--pri2)}
.kv-hero-sub{font-size:clamp(1.1rem,3vw,1.6rem);font-weight:700;color:var(--txt);margin:2px 0 6px}
.kv-tag{color:var(--mut);margin-bottom:24px}
.kv-enter{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;max-width:380px;margin:0 auto;text-align:left}
.kv-enter label{display:block;margin-bottom:14px;font-size:.85rem;color:var(--mut)}
.kv-enter input,.kv-enter select{width:100%;margin-top:6px;padding:12px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--txt);font-size:1rem}
.kv-enter button{width:100%;margin-top:8px}
.kv-note{font-size:.78rem;color:var(--mut);text-align:center;margin-top:12px}

/* 학습 단어 티커 (수동 복습) */
.kv-ticker{overflow:hidden;white-space:nowrap;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:9px 0;margin:0 0 16px;
  -webkit-mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
          mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.kv-ticker-track{display:inline-block;white-space:nowrap;animation:kvticker linear infinite}
.kv-ticker:hover .kv-ticker-track{animation-play-state:paused}
.kv-tk{display:inline-block;padding:0 16px;font-size:.9rem;color:var(--mut)}
.kv-tk b{color:var(--txt);font-weight:700}
.kv-tk.m,.kv-tk.m b{color:var(--gold)}
.kv-tk.f,.kv-tk.f b{color:var(--rose)}
.kv-tk.ph{color:var(--mut);font-style:italic}
@keyframes kvticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 홈 */
.kv-cta{text-align:center;padding:20px 0}

/* 배틀 스테이지 그리드 (전체 스테이지 선택) */
.kv-stages-title{margin:18px 0 10px;color:var(--mut);font-size:.92rem;text-transform:uppercase;letter-spacing:1px;text-align:center}
.kv-stages{display:grid;gap:12px;margin:0 0 8px}
.kv-stage{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;transition:transform .12s,border-color .12s,box-shadow .12s}
.kv-stage.on{cursor:pointer;border-color:var(--pri);box-shadow:0 6px 20px rgba(108,92,231,.22)}
.kv-stage.on:hover{transform:translateY(-2px);border-color:var(--pri2);box-shadow:0 10px 26px rgba(108,92,231,.34)}
.kv-stage-ico{flex:none;width:46px;height:46px;display:grid;place-items:center;font-size:1.8rem;line-height:1;
  background:rgba(108,92,231,.12);border-radius:12px}
.kv-stage-body{flex:1;min-width:0}
.kv-stage-body strong{display:block;color:var(--txt);font-size:1.05rem;font-weight:800;line-height:1.2}
.kv-stage-body small{display:block;color:var(--mut);font-size:.82rem;margin-top:3px}
.kv-stage-go{flex:none;color:var(--pri2);font-size:1.25rem;font-weight:800}
.kv-stage.soon{opacity:.5;filter:grayscale(.35)}
.kv-stage.soon .kv-stage-ico{background:rgba(255,255,255,.05)}
.kv-stage-lock{flex:none;font-size:.7rem;color:var(--mut);border:1px solid var(--line);
  border-radius:999px;padding:4px 10px;white-space:nowrap;text-transform:uppercase;letter-spacing:.5px}
.kv-stats{display:flex;gap:10px;margin:16px 0}
.kv-stats>div{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center}
.kv-stats strong{display:block;font-size:1.5rem}
.kv-stats span{font-size:.72rem;color:var(--mut)}
.kv-stats .w strong{color:var(--win)} .kv-stats .d strong{color:var(--draw)} .kv-stats .l strong{color:var(--lose)}
.kv-recent{list-style:none;padding:0;margin:0}
.kv-recent li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem}
.kv-recent .badge{font-weight:700;font-size:.72rem;padding:2px 8px;border-radius:6px}
.kv-recent .o-W .badge{background:var(--win)} .kv-recent .o-L .badge{background:var(--lose)} .kv-recent .o-D .badge{background:var(--draw)}
.kv-recent .score{color:var(--gold)} .kv-recent .ago{margin-left:auto;color:var(--mut);font-size:.78rem}

/* 분야별 진행도 */
.kv-topicprog{list-style:none;padding:0;margin:0;display:flex;flex-direction:column}
.kv-topicprog li{display:flex;align-items:center;gap:10px;font-size:.85rem;padding:7px 0;min-height:38px;border-bottom:1px solid var(--line)}
.kv-topicprog .tn{flex:0 0 40%;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kv-topicprog .tbar{flex:1;height:8px;background:var(--bg2);border-radius:4px;overflow:hidden}
.kv-topicprog .tbar i{display:block;height:100%;background:linear-gradient(90deg,var(--pri),var(--gold));border-radius:4px;transition:width .4s}
.kv-topicprog .tc{flex:0 0 auto;color:var(--mut);font-family:monospace;font-size:.78rem}
.kv-topicprog li.on .tn{color:var(--gold);font-weight:700}
/* 세로 롤링 (2줄 보기) */
.kv-prog-roll{height:80px;overflow:hidden;
  -webkit-mask:linear-gradient(180deg,transparent,#000 20%,#000 80%,transparent);
          mask:linear-gradient(180deg,transparent,#000 20%,#000 80%,transparent)}
.kv-prog-roll .kv-topicprog{animation:kvroll linear infinite}
.kv-prog-roll:hover .kv-topicprog{animation-play-state:paused}
@keyframes kvroll{from{transform:translateY(0)}to{transform:translateY(-50%)}}

/* 리더보드 */
.kv-board{list-style:none;padding:0;margin:0;font-size:.85rem}
.kv-board li{display:flex;align-items:center;gap:10px;padding:7px 0;min-height:38px;border-bottom:1px solid var(--line)}
.kv-board .brk{width:24px;height:24px;flex:none;display:grid;place-items:center;background:var(--bg2);border-radius:50%;font-size:.78rem;font-weight:700;color:var(--mut)}
.kv-board .brk.top{background:var(--gold);color:#222}
.kv-board .bn{font-weight:600} .kv-board .bs{margin-left:auto;color:var(--gold);font-size:.85rem}
/* 리더보드 세로 롤링 (약 3줄) */
.kv-board-roll{height:80px;overflow:hidden;
  -webkit-mask:linear-gradient(180deg,transparent,#000 14%,#000 86%,transparent);
          mask:linear-gradient(180deg,transparent,#000 14%,#000 86%,transparent)}
.kv-board-roll .kv-board{animation:kvroll linear infinite}
.kv-board-roll:hover .kv-board{animation-play-state:paused}

/* 롤링카드 펼침 토글 */
.kv-roll-title{cursor:pointer;display:flex;align-items:center;user-select:none}
.kv-roll-title .kv-exp{margin-left:auto;color:var(--mut);font-size:.8rem;transition:transform .25s}
.kv-rollcard.expanded .kv-exp{transform:rotate(180deg)}
.kv-rollcard.expanded .kv-prog-roll,
.kv-rollcard.expanded .kv-board-roll{height:auto;-webkit-mask:none;mask:none}
.kv-rollcard.expanded .kv-topicprog,
.kv-rollcard.expanded .kv-board{animation:none;transform:none}
.kv-rollcard.expanded .dup{display:none}

/* ===== 배틀 ===== */
.kv-vs{display:flex;align-items:center;justify-content:space-between;margin:8px 0 18px}
.kv-vs-me,.kv-vs-op{flex:1}
.kv-vs-op{text-align:right}
.kv-vs .lbl{display:block;font-size:.66rem;color:var(--mut);letter-spacing:1px}
.kv-vs strong{font-size:1.05rem}
.kv-vs-x{padding:0 14px;color:var(--pri2);font-weight:800}

.kv-diff{text-align:center;font-size:.8rem;color:var(--mut);margin-bottom:10px}
.kv-diff strong{color:var(--pri2)}
.kv-scorebar{display:flex;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 16px;margin-bottom:8px}
.kv-scorebar b{font-size:1.4rem;color:var(--gold)}
.kv-scorebar .me span,.kv-scorebar .op span{font-size:.7rem;color:var(--mut);display:block}
.kv-scorebar .prog{font-size:.8rem;color:var(--mut)}

.kv-timer{height:8px;background:var(--bg2);border-radius:4px;overflow:hidden;margin-bottom:24px}
.kv-timer-fill{height:100%;width:100%;background:var(--win);transition:width .05s linear}

.kv-question{text-align:center}
.kv-word{font-size:3rem;font-weight:800;letter-spacing:-1px;margin:18px 0;position:relative;transition:transform .2s}
.kv-word.reveal{transform:scale(1.06)}
.kv-word .gain{position:absolute;top:-10px;right:30%;color:var(--gold);font-size:1.1rem;font-weight:700;animation:pop .9s ease-out}
@keyframes pop{0%{opacity:0;transform:translateY(10px)}30%{opacity:1}100%{opacity:0;transform:translateY(-26px)}}

/* 듣기 모드: ①표제어 공백+소리 → ②③표제어 노출 → ④보기 선택 */
.kv-word.listening{font-size:3.4rem;animation:listenPulse 1s ease-in-out infinite}
@keyframes listenPulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.12);opacity:1}}
.kv-word.pop{animation:wordPop .35s ease-out}
@keyframes wordPop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.12)}100%{transform:scale(1);opacity:1}}
/* 듣기 중: 보기를 보여주되 잠금(읽기 전용) → 표제어 노출 순간 활성화 */
.kv-question.listening .kv-options{pointer-events:none;opacity:.6}
.kv-question.listening .kv-opt{cursor:default}
.kv-replay{margin:0 auto 4px;display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);color:var(--txt);font-size:.9rem;font-weight:600;cursor:pointer;
  transition:transform .1s,border-color .15s}
.kv-replay:hover{transform:translateY(-1px);border-color:var(--arena-accent,var(--pri2))}

.kv-ghost-ping{min-height:22px;font-size:.82rem;color:var(--pri2);opacity:0;transition:opacity .2s;margin-bottom:6px}
.kv-ghost-ping.show{opacity:1}

.kv-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;transition:opacity .25s}
.kv-opt{padding:18px 14px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:var(--txt);
  font-size:1.05rem;font-weight:600;cursor:pointer;transition:transform .1s,background .15s}
.kv-opt:hover:not(:disabled){transform:translateY(-2px);border-color:var(--pri2)}
.kv-opt:disabled{cursor:default;opacity:.85}
.kv-opt.correct{background:var(--win);border-color:var(--win);color:#fff}
.kv-opt.wrong{background:var(--lose);border-color:var(--lose);color:#fff}

/* 결과 */
.kv-result{text-align:center;padding:30px 10px;background:var(--card);border:1px solid var(--line);border-radius:18px;margin-top:10px}
.kv-result h2{font-size:1.8rem}
.kv-result.win h2{color:var(--win)} .kv-result.lose h2{color:var(--lose)} .kv-result.draw h2{color:var(--draw)}
.kv-score-final{display:flex;align-items:center;justify-content:center;gap:22px;margin:18px 0}
.kv-score-final span{display:block;font-size:.78rem;color:var(--mut)}
.kv-score-final strong{font-size:2.2rem;color:var(--gold)}
.kv-score-final .vs{color:var(--mut)}
.kv-result .rank{color:var(--gold)} .kv-result .rank em{color:var(--mut);font-size:.85rem}
.kv-result-btns{display:flex;gap:12px;justify-content:center;margin-top:20px}

.kv-footer{border-top:1px solid var(--line);padding:20px 0;text-align:center}
.copyright{color:var(--mut);font-size:.78rem}
.copyright em{color:var(--pri2)}

@media(max-width:480px){.kv-word{font-size:2.4rem}.kv-options{grid-template-columns:1fr}}

/* ============================================================
 *  배틀 격투링 (박진감 UI) — VS카드 · 아바타 · 파워 · 모멘텀
 * ============================================================ */

/* ----- 배틀그라운드 테마 (인라인 --arena-* 변수로 구동) ----- */
.kv-battle{position:relative;margin-top:8px;padding:18px 16px;border-radius:18px;
  background:transparent;
  box-shadow:0 0 36px -16px var(--arena-accent,transparent)}
.kv-battle::before{content:none}
.kv-battle>*{position:relative;z-index:1}
body[data-theme^="real"] .kv-battle{box-shadow:none}

/* ----- 생성형 아바타 ----- */
.kv-avatar{position:relative;display:inline-grid;place-items:center;border-radius:50%;
  color:#fff;font-weight:800;flex:none;box-shadow:0 6px 18px rgba(0,0,0,.35);border:2px solid rgba(255,255,255,.18)}
.kv-avatar.big{width:92px;height:92px}
.kv-avatar.sm{width:46px;height:46px}
.kv-avatar.bot{background:linear-gradient(145deg,#444a7a,#2b2f55)}
.kv-av-ini{font-size:2.1rem;line-height:1}
.kv-avatar.sm .kv-av-ini{font-size:1.15rem}
.kv-av-flag{position:absolute;right:-4px;bottom:-4px;font-size:.95rem;background:var(--bg);border-radius:50%;
  width:1.55em;height:1.55em;display:grid;place-items:center;border:1px solid var(--line)}
.kv-avatar.sm .kv-av-flag{font-size:.78rem;right:-3px;bottom:-3px}

/* ----- 대전 전 VS 카드 ----- */
.kv-vscard{background:radial-gradient(120% 90% at 50% 0%,rgba(142,123,255,.18),transparent 60%),var(--card);
  border:1px solid var(--line);border-radius:20px;padding:26px 18px 22px;text-align:center;
  animation:kvCardIn .45s cubic-bezier(.2,.9,.3,1.2) both}
.kv-vscard.hide{display:none}
.kv-vs-stage{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:20px}
.kv-fighter{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0}
.kv-fighter .fn{font-size:1.05rem;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kv-fighter .lv{font-size:.72rem;color:var(--mut);font-family:monospace}
.kv-fighter.me .fn{color:var(--pri2)} .kv-fighter.op .fn{color:var(--gold)}
.kv-vs-emblem{flex:none;font-weight:900;font-size:1.5rem;color:#fff;
  width:50px;height:50px;display:grid;place-items:center;border-radius:50%;
  background:linear-gradient(145deg,var(--pri),#c0392b);box-shadow:0 0 22px rgba(142,123,255,.5);
  animation:kvPulse 1.3s ease-in-out infinite}

/* ----- 파워 카테고리 (양쪽 줄다리기 바) ----- */
.kv-powers{display:flex;flex-direction:column;gap:9px;margin:6px 2px 18px}
.prow{display:grid;grid-template-columns:1fr 96px 1fr;align-items:center;gap:8px}
.pbar{position:relative;height:15px;background:var(--bg2);border-radius:8px;overflow:hidden;display:flex;align-items:center}
.pbar i{position:absolute;top:0;bottom:0;display:block;border-radius:8px}
.pbar.me i{right:0;background:linear-gradient(270deg,var(--pri2),var(--pri))}
.pbar.op i{left:0;background:linear-gradient(90deg,var(--gold),#e6a23c)}
.pbar b{position:relative;z-index:1;font-size:.66rem;color:var(--txt);opacity:.85;padding:0 7px;font-weight:700}
.pbar.me b{margin-right:auto}
.pbar.op b{margin-left:auto}
.pbar.ghost{background:repeating-linear-gradient(45deg,var(--bg2),var(--bg2) 6px,transparent 6px,transparent 12px);opacity:.5}
.pmid{text-align:center;line-height:1.1}
.pmid .ico{font-size:1.05rem;display:block}
.pmid .lab{font-size:.66rem;color:var(--mut);white-space:nowrap}
.prow.locked .lab em{display:block;font-size:.85em;color:var(--pri2);font-style:normal}

.kv-vs-meta{font-size:.78rem;color:var(--mut);margin-bottom:16px}
.kv-vs-meta strong{color:var(--txt)}

/* ----- 듣기 모드 토글 (VS 카드) ----- */
.kv-listen-row{display:flex;flex-direction:column;align-items:center;gap:5px;margin-bottom:14px}
.kv-listen-toggle{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;
  border:1.5px solid var(--line);background:var(--card);color:var(--txt);
  font-size:.98rem;font-weight:600;cursor:pointer;transition:transform .1s,border-color .15s,color .15s,box-shadow .15s}
.kv-listen-toggle:hover{transform:translateY(-1px)}
.kv-listen-toggle:active{transform:scale(.97)}
.kv-listen-toggle b{font-weight:800}
.kv-listen-toggle[data-on="1"]{border-color:var(--arena-accent,#8e7bff);color:var(--arena-accent,#8e7bff);
  box-shadow:0 0 18px -6px var(--arena-accent,#8e7bff)}
.kv-listen-hint{font-size:.72rem;color:var(--mut)}

/* ----- FIGHT 버튼 ----- */
.kv-fight-btn{width:100%;padding:16px;border:0;border-radius:14px;cursor:pointer;
  font-size:1.25rem;font-weight:900;letter-spacing:1px;color:#fff;
  background:linear-gradient(135deg,var(--pri),#c0392b);box-shadow:0 10px 26px rgba(192,57,43,.4);
  animation:kvFightPulse 1.1s ease-in-out infinite;transition:transform .1s}
.kv-fight-btn:active{transform:scale(.97)}

/* ----- 대전 중 아레나 ----- */
.kv-corners{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:6px 0 12px}
.kv-corner{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.kv-corner.op{flex-direction:row;justify-content:flex-end}
.kv-corner .ci{display:flex;flex-direction:column;min-width:0}
.kv-corner .ci.r{text-align:right;align-items:flex-end}
.kv-corner .cn{font-size:.78rem;color:var(--mut);max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kv-corner .ci b{font-size:1.7rem;line-height:1;font-weight:900}
.kv-corner.me .ci b{color:var(--pri2)} .kv-corner.op .ci b{color:var(--gold)}
.kv-corner.punch .kv-avatar{animation:kvPunch .42s ease-out}
.kv-corner.me.punch .kv-avatar{animation-name:kvPunchR}
.kv-corner.op.punch .kv-avatar{animation-name:kvPunchL}

/* ----- 모멘텀(줄다리기) 바 ----- */
.kv-momentum{position:relative;height:22px;border-radius:11px;overflow:hidden;margin-bottom:14px;
  background:linear-gradient(90deg,#e6a23c,var(--gold));box-shadow:inset 0 0 0 1px var(--line)}
.kv-momentum .mfill{position:absolute;left:0;top:0;bottom:0;width:50%;border-radius:11px 0 0 11px;
  background:linear-gradient(90deg,var(--pri),var(--pri2));transition:width .5s cubic-bezier(.3,1.3,.5,1)}
.kv-momentum .mfill.lead{box-shadow:0 0 14px var(--pri2)}
.kv-momentum .mfill.shove{animation:kvShove .4s ease-out}
.kv-momentum .mlabel{position:absolute;inset:0;display:grid;place-items:center;
  font-size:.74rem;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.6);z-index:1}

/* ----- FINAL 배지 ----- */
.kv-finalbadge{display:inline-block;margin-bottom:6px;padding:3px 12px;border-radius:999px;
  font-size:.8rem;font-weight:800;letter-spacing:1px;color:#fff;background:var(--lose);
  animation:kvBlink .7s steps(2,start) infinite}

/* ----- 시간 위기 비네트 ----- */
body.kv-danger::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  box-shadow:inset 0 0 90px 10px rgba(231,76,60,.45);animation:kvVignette .8s ease-in-out infinite}

/* ----- 애니메이션 ----- */
@keyframes kvCardIn{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
@keyframes kvPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
@keyframes kvFightPulse{0%,100%{transform:scale(1);box-shadow:0 10px 26px rgba(192,57,43,.4)}50%{transform:scale(1.025);box-shadow:0 12px 34px rgba(192,57,43,.6)}}
@keyframes kvPunchR{0%{transform:translateX(0) scale(1)}35%{transform:translateX(10px) scale(1.16) rotate(6deg)}100%{transform:none}}
@keyframes kvPunchL{0%{transform:translateX(0) scale(1)}35%{transform:translateX(-10px) scale(1.16) rotate(-6deg)}100%{transform:none}}
@keyframes kvShove{0%{filter:brightness(1.8)}100%{filter:none}}
@keyframes kvBlink{50%{opacity:.35}}
@keyframes kvVignette{0%,100%{opacity:.65}50%{opacity:1}}

@media(max-width:480px){
  .kv-avatar.big{width:74px;height:74px}.kv-av-ini{font-size:1.7rem}
  .kv-vs-emblem{width:42px;height:42px;font-size:1.2rem}
  .prow{grid-template-columns:1fr 80px 1fr}
  .kv-corner .cn{max-width:72px}
}

/* ===== 카드 투명 + 아웃라인 (모든 테마) — 배경이 그대로 비치고 테두리만 ===== */
.kv-card,.kv-vscard,.kv-result,.kv-opt{
  background:transparent;
  border:1px solid rgba(255,255,255,.24);
  text-shadow:0 1px 3px rgba(0,0,0,.6)}
.pbar{background:rgba(255,255,255,.16)}

/* ============================================================
 *  쓰기 연습 (오답노트) — 네모칸 연습지 + 인쇄 + 트레이싱 패드
 * ============================================================ */
.ws-toolbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.ws-head h1{font-size:1.4rem;margin:0}
.ws-head h1 small{font-size:.8rem;color:var(--mut);font-weight:600;margin-left:6px}
.ws-sub{color:var(--mut);font-size:.86rem;margin:4px 0 0}
.ws-print-btn{padding:10px 18px;border-radius:10px;border:0;background:var(--pri,#6c5ce7);color:#fff;font-weight:700;cursor:pointer;white-space:nowrap}
.ws-count{margin:16px 0 4px}
.ws-empty{text-align:center;padding:48px 16px}
.ws-empty-ico{font-size:3rem}
.ws-empty .muted,.muted{color:var(--mut)}

/* 단어 한 줄 = 라벨 + 네모칸 행 */
.ws-word{padding:16px 0;border-bottom:1px dashed var(--line)}
.ws-label{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.ws-kr{font-size:1.2rem;font-weight:800}
.ws-mean{color:var(--mut)}
.ws-wc{font-size:.74rem;color:#e74c3c;border:1px solid var(--line);border-radius:999px;padding:1px 8px}
.ws-trace-btn{margin-left:auto;font-size:.82rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--txt);cursor:pointer}
.ws-trace-btn:hover{border-color:var(--pri2,#8e7bff)}

.ws-row{display:flex;flex-wrap:wrap;row-gap:10px;align-items:center}
.ws-inst{display:inline-flex;margin-right:14px}
.ws-cell{position:relative;width:42px;height:42px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--card)}
.ws-cell::before,.ws-cell::after{content:'';position:absolute;background:rgba(128,128,128,.14)}
.ws-cell::before{left:50%;top:0;width:1px;height:100%}
.ws-cell::after{top:50%;left:0;height:1px;width:100%}
.ws-ch{font-size:26px;font-weight:700;line-height:1;position:relative;z-index:1;font-family:system-ui,"Malgun Gothic",sans-serif}
.ws-inst.guide .ws-ch{color:#b9b9b9}
.ws-inst.trace .ws-ch{color:transparent;-webkit-text-stroke:1.2px #d6d6d6}

.ws-legend{margin-top:16px;font-size:.8rem;color:var(--mut)}
.ws-legend .lg{font-weight:700}
.ws-legend .lg.guide{color:#b9b9b9}
.ws-legend .lg.trace{color:#9aa0b0}

/* 화면 트레이싱 패드 */
.ws-pad{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
.ws-pad[hidden]{display:none}
.ws-pad-inner{background:#fff;border-radius:16px;padding:14px;width:min(680px,96vw);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.ws-pad-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.ws-pad-head strong{font-size:1.3rem;color:#1b2440}
#wsPadClose{border:0;background:transparent;font-size:1.2rem;cursor:pointer;color:#555;line-height:1}
#wsCanvas{width:100%;height:auto;border:1px solid #e3e3e3;border-radius:12px;background:#fff;touch-action:none;display:block}
.ws-pad-btns{display:flex;gap:10px;justify-content:flex-end;margin-top:10px}
.ws-pad-btns button{padding:9px 18px;border-radius:10px;border:1px solid #ddd;background:#f5f5f7;color:#222;font-weight:600;cursor:pointer}
.ws-pad-btns button.primary{background:var(--pri,#6c5ce7);color:#fff;border-color:transparent}

/* 인쇄: 사이트 크롬 제거 + 흑백 그리드 (브라우저 'PDF로 저장'이면 PDF) */
@media print{
  .kv-header,.kv-footer,.ws-print-btn,.ws-trace-btn,.ws-pad,.ws-sub{display:none!important}
  body{background:#fff!important}
  .wrap{max-width:none!important;margin:0!important;padding:0!important}
  .ws-head h1,.ws-kr,.ws-count{color:#111!important}
  .ws-mean{color:#444!important}
  .ws-cell{border-color:#333!important;background:#fff!important}
  .ws-cell::before,.ws-cell::after{background:rgba(0,0,0,.12)!important}
  .ws-inst.guide .ws-ch{color:#bdbdbd!important}
  .ws-inst.trace .ws-ch{-webkit-text-stroke-color:#cfcfcf!important}
  .ws-word{break-inside:avoid;border-bottom:1px solid #ccc}
  @page{size:A4;margin:14mm}
}

/* ============================================================
 *  Battle 2 — 리스닝 러시
 * ============================================================ */
.b2-title{font-size:1.5rem;font-weight:900;text-align:center;margin:2px 0 2px}
.b2-title small{font-size:.8rem;font-weight:600;color:var(--mut);margin-left:6px}
.b2-rule{text-align:center;color:var(--mut);font-size:.9rem;margin:0 0 14px}

.b2-listen{display:flex;flex-direction:column;align-items:center;gap:6px;margin:10px 0 14px;min-height:96px;justify-content:center}
.b2-sound{font-size:3rem;line-height:1;opacity:.5;transition:opacity .2s}
.b2-sound.playing{opacity:1;animation:b2Pulse .9s ease-in-out infinite}
@keyframes b2Pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.18)}}
.b2-count{font-size:3.4rem;font-weight:900;color:var(--arena-accent,#ff7675);line-height:1;animation:b2Tick .5s ease-out}
@keyframes b2Tick{0%{transform:scale(1.5);opacity:.2}100%{transform:scale(1);opacity:1}}
.b2-replay{font-size:.82rem;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--txt);cursor:pointer}

.b2-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:6px}
.b2-tile{padding:24px 14px;border-radius:16px;border:1.5px solid var(--line);background:var(--card);color:var(--txt);
  font-size:1.7rem;font-weight:800;cursor:pointer;transition:transform .08s,border-color .15s,background .15s;min-height:78px}
.b2-tile:hover:not(:disabled){transform:translateY(-2px);border-color:var(--arena-accent,#8e7bff)}
.b2-tile:active:not(:disabled){transform:scale(.96)}
.b2-tile:disabled{cursor:default}
.b2-tile.correct{background:var(--win,#2ecc71);border-color:var(--win,#2ecc71);color:#fff}
.b2-tile.wrong{background:var(--lose,#e74c3c);border-color:var(--lose,#e74c3c);color:#fff}
.b2-tile.reveal{border-color:var(--arena-accent,#ffd166);box-shadow:0 0 0 3px var(--arena-accent,#ffd166), 0 0 24px -4px var(--arena-accent,#ffd166);animation:b2Reveal .5s ease-out}
@keyframes b2Reveal{0%{transform:scale(1)}40%{transform:scale(1.1)}100%{transform:scale(1)}}

.b2-ping{min-height:22px;text-align:center;font-size:.85rem;color:var(--pri2,#8e7bff);opacity:0;transition:opacity .2s;margin-top:10px}
.b2-ping.show{opacity:1}

/* ============================================================
 *  쓰기연습 — 툴바 액션 + 단어 선택 허브(picker)
 * ============================================================ */
.ws-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ws-pick-link{padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  color:var(--txt);font-weight:700;text-decoration:none;white-space:nowrap}
.ws-pick-link:hover{border-color:var(--pri2)}

.kv-pick-head h1{margin:0 0 4px;font-size:1.5rem}
.kv-pick-topics{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.kv-pick-tab{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  color:var(--mut);text-decoration:none;font-size:.9rem;font-weight:600}
.kv-pick-tab.on{background:linear-gradient(135deg,var(--pri),var(--pri2));border-color:transparent;color:#fff}

.kv-pick-form{margin-top:6px}
.kv-pick-bar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:10px;
  flex-wrap:wrap;padding:10px 4px;background:linear-gradient(160deg,var(--bg),var(--bg2));border-bottom:1px solid var(--line)}
.kv-pick-btns{display:flex;gap:6px;flex-wrap:wrap}
.kv-pick-btns button{padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card);
  color:var(--txt);font-size:.82rem;font-weight:600;cursor:pointer}
.kv-pick-btns button:hover{border-color:var(--pri2)}
.kv-pick-count{font-size:.9rem;color:var(--mut)}
.kv-pick-count b{color:var(--pri2);font-size:1.05rem}

.kv-pick-list{list-style:none;margin:10px 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.kv-pick-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);cursor:pointer;transition:border-color .12s,background .12s}
.kv-pick-item:hover{border-color:var(--pri2)}
.kv-pick-item input{width:18px;height:18px;flex:0 0 auto;accent-color:var(--pri)}
.kv-pick-item:has(input:checked){border-color:var(--pri2);background:rgba(142,123,255,.12)}
.kv-pick-kr{font-weight:800;font-size:1.05rem}
.kv-pick-mean{color:var(--mut);font-size:.85rem;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kv-pick-tag em{font-style:normal;font-size:.7rem;font-weight:700;padding:2px 7px;border-radius:999px}
.kv-pick-tag .wrong{background:rgba(231,76,60,.18);color:#ff8b7a}
.kv-pick-tag .mastered{background:rgba(46,204,113,.16);color:#57d98a}
.kv-pick-tag .learning{background:rgba(243,156,18,.16);color:#f5b942}
.kv-pick-tag .new{background:rgba(142,123,255,.18);color:#a99bff}

.kv-pick-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;justify-content:center}
.kv-btn-ghost{padding:12px 20px;border-radius:10px;border:1px dashed var(--line);background:transparent;
  color:var(--mut);font-weight:700;cursor:not-allowed}
.kv-btn-ghost small{opacity:.7;font-weight:600}

@media print{ .ws-pick-link,.ws-actions{display:none!important} }

/* 보조 버튼 (picker 오디오 단어장 등) */
.kv-btn-secondary{display:inline-block;padding:12px 20px;border-radius:10px;border:1px solid var(--pri2);
  background:rgba(142,123,255,.14);color:var(--txt);font-weight:700;cursor:pointer;text-decoration:none}
.kv-btn-secondary:hover{background:rgba(142,123,255,.24)}

/* ============================================================
 *  오디오 단어장 (study.php)
 * ============================================================ */
.kv-study{max-width:560px;margin:0 auto}
.study-top{display:flex;align-items:center;gap:10px;margin:6px 0 12px}
.study-top h1{font-size:1.2rem;margin:0;flex:1;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.study-back{width:38px;height:38px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--txt);text-decoration:none;font-size:1.1rem}
.study-count{flex:0 0 auto;font-size:.85rem;color:var(--mut)}
.study-count b{color:var(--pri2);font-size:1.05rem}

.study-progress{height:6px;border-radius:999px;background:var(--card);overflow:hidden;margin-bottom:16px}
.study-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pri),var(--pri2));transition:width .3s}

.study-card{min-height:240px;border-radius:20px;border:1px solid var(--line);
  background:var(--card,#1e2244);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:28px 20px;text-align:center;box-shadow:0 10px 30px -12px rgba(0,0,0,.5)}
.study-kr{font-size:3rem;font-weight:900;line-height:1.1;opacity:0;transition:opacity .25s;min-height:1.2em}
.study-kr.shown{opacity:1}
.study-mean{font-size:1.25rem;color:var(--mut);opacity:0;transition:opacity .25s;min-height:1.3em}
.study-mean.shown{opacity:1}
.study-replay{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--txt);cursor:pointer;font-size:.9rem}
.study-replay:hover{border-color:var(--pri2)}

.study-controls{display:flex;gap:10px;justify-content:center;align-items:center;margin:18px 0 10px}
.study-controls button{padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:var(--card);
  color:var(--txt);font-size:1.1rem;font-weight:700;cursor:pointer;min-width:56px}
.study-controls .primary{background:linear-gradient(135deg,var(--pri),var(--pri2));border-color:transparent;color:#fff;min-width:130px}
.study-controls .primary.on{background:linear-gradient(135deg,#e67e22,#f39c12)}

.study-opts{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:10px}
.study-opts button{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  color:var(--mut);font-size:.82rem;font-weight:600;cursor:pointer}
.study-opts button.on{color:var(--txt);border-color:var(--pri2);background:rgba(142,123,255,.14)}
.study-opts button b{color:var(--pri2)}

.study-hint{text-align:center;color:var(--mut);font-size:.78rem;margin-top:6px}

/* ============================================================
 *  스파링 / 정식전 (모드 배지 · 홈 진입 버튼 · 결과 노트)
 * ============================================================ */
.kv-mode-badge{display:inline-block;margin:0 auto 12px;padding:6px 16px;border-radius:999px;
  font-weight:800;font-size:.9rem;letter-spacing:.02em}
.kv-mode-badge small{font-weight:600;opacity:.85;font-size:.72rem;margin-left:4px}
.kv-mode-badge.ranked{background:linear-gradient(135deg,#b8860b,#ffd166);color:#231a00}
.kv-mode-badge.spar{background:rgba(142,123,255,.18);color:var(--pri2);border:1px solid var(--pri2)}

.kv-stage-modes{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}
.kv-mode-btn{padding:7px 12px;border-radius:9px;font-size:.82rem;font-weight:700;text-decoration:none;white-space:nowrap;text-align:center}
.kv-mode-btn.spar{background:rgba(142,123,255,.16);color:var(--pri2);border:1px solid var(--line)}
.kv-mode-btn.spar:hover{border-color:var(--pri2)}
.kv-mode-btn.ranked{background:linear-gradient(135deg,#b8860b,#ffd166);color:#231a00}
.kv-mode-btn.ranked:hover{filter:brightness(1.06)}

.kv-result .spar-note{color:var(--pri2)!important;font-weight:700}
.kv-result .spar-note small{color:var(--mut);font-weight:500}