/* 내신대비반 공유 학습 엔진(SRS 어휘·AI 진단) 위젯 스타일 — exam-prep-ui.css 발췌.
   lc-/qz-/rv-/sp-/ge-/am-/memo-/bc- 프리픽스 + 필요한 keyframes. 전역 리셋·레이아웃·
   헤더·히어로·반응형·K웹툰 패널은 뺐다(exam-prep-lesson.css 가 담당). 엔진 스크립트
   2개와 함께 로드될 때만 쓰인다. */

:root{
  /* ── 색 ── */
  --ep-purple:#7C5CFF; --ep-purple-dark:#5B3DE0; --ep-purple-deep:#4A2FB5;
  --ep-pink:#FF6B9D; --ep-pink-dark:#C2185B;
  --ep-gold:#FFC95C; --ep-amber:#E8912A; --ep-amber-lt:#FFF5E6; --ep-amber-br:#FFDFA8;
  --ep-green:#00C897; --ep-green-dark:#059669; --ep-green-lt:#F0FDF4; --ep-green-br:#A7F3D0;
  --ep-blue:#4EC9FF; --ep-blue-dark:#2563EB;
  --ep-red:#FF5470; --ep-red-dark:#D63A58; --ep-red-lt:#FEF2F2; --ep-red-br:#FECACA;
  --ep-ink:#1a2233; --ep-ink2:#3d4d60; --ep-gray:#6b7a90;

  /* 기존 마크업이 참조하는 변수명(레슨 JS 는 안 건드리므로 이 별칭들을 유지) */
  --teal:var(--ep-purple); --teal-lt:#EEEBFF; --teal-br:#C9BEFF;
  --blue:var(--ep-purple-dark); --blue-lt:#EEEBFF; --blue-br:#C9BEFF;
  --green:var(--ep-green-dark); --green-lt:var(--ep-green-lt); --green-br:var(--ep-green-br);
  --amber:var(--ep-amber); --amber-lt:var(--ep-amber-lt); --amber-br:var(--ep-amber-br);
  --red:var(--ep-red-dark); --red-lt:var(--ep-red-lt); --red-br:var(--ep-red-br);
  --light:#F4F2FF; --white:#fff; --gray:var(--ep-gray); --ink:var(--ep-ink); --ink2:var(--ep-ink2);
  --font:'Pretendard','Apple SD Gothic Neo',system-ui,sans-serif;
  --font-display:'Baloo 2','Noto Sans KR',sans-serif;

  /* ── 학년대 톤(기본값 = 초등, 중등/고등은 아래서 덮음) ── */
  --tier-radius:22px; --tier-radius-sm:14px;
  --tier-accent-2:var(--ep-gold);
  --tier-hero-grad:linear-gradient(120deg,#6d4fef,#a06cff 45%,#ff6b9d 130%);
  --tier-mood:0.4; /* 배경 별/블롭 강도 */
}
body[data-tier="middle"]{
  --tier-radius:18px; --tier-radius-sm:12px;
  --tier-accent-2:var(--ep-blue);
  --tier-hero-grad:linear-gradient(120deg,#4A2FB5,#7C5CFF 55%,#4EC9FF 130%);
  --tier-mood:0.28;
}
body[data-tier="high"]{
  --tier-radius:14px; --tier-radius-sm:10px;
  --tier-accent-2:var(--ep-blue-dark);
  --tier-hero-grad:linear-gradient(120deg,#2b2350,#4A2FB5 55%,#2563EB 130%);
  --tier-mood:0.18;
}


/* ══════════ MCQ / QUIZ 옵션(전 계열 공통) ══════════ */
.mcq-item,.item{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;padding:16px;margin-bottom:14px}
.mcq-num,.item-num{font-size:11px;font-weight:900;color:var(--ep-purple);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.mcq-q,.question{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:12px;line-height:1.7}
.mcq-context,.context{font-size:14px;color:var(--ink2);background:#fff;padding:10px 14px;border-radius:10px;border:1px solid #e2e8f0;margin-bottom:10px;line-height:1.8;font-style:italic}
.mcq-opts,.opts{display:flex;flex-direction:column;gap:8px}
.mcq-opt,.opt,.qz-opt,.ge-opt{
  display:flex;align-items:center;gap:10px;text-align:left;
  padding:13px 16px;border-radius:16px;border:2.5px solid #e6e2fb;border-bottom-width:4px;
  background:#fff;cursor:pointer;font-size:15px;font-weight:800;color:var(--ink2);
  transition:transform .1s,box-shadow .1s,border-color .12s,background .12s;
}
.mcq-opt:hover:not(.answered):not(.locked):not(.correct):not(.wrong):not(.show-correct),
.opt:hover:not(.locked):not(.correct):not(.wrong):not(.show),
.qz-opt:hover:not(.qz-locked):not(.qz-correct):not(.qz-wrong):not(.qz-show),
.ge-opt:hover:not(.ge-ok):not(.ge-ng):not(.ge-show){
  border-color:var(--ep-purple);background:#f4f1ff;transform:translateY(-1px);
}
.mcq-opt:active,.opt:active,.qz-opt:active,.ge-opt:active{transform:translateY(2px);border-bottom-width:2.5px}
.mcq-opt.correct,.opt.correct,.qz-opt.qz-correct,.ge-opt.ge-ok,
.mcq-opt.show-correct,.opt.show,.qz-opt.qz-show,.ge-opt.ge-show{
  border-color:var(--ep-green);background:#e3fbef;color:#046a4b;animation:epPop .35s ease,epRing .6s ease;
}
.mcq-opt.wrong,.opt.wrong,.qz-opt.qz-wrong,.ge-opt.ge-ng{
  border-color:var(--ep-red);background:#ffe9ed;color:#9c1c37;animation:epShake .4s ease;
}
.mcq-opt.answered,.opt.selected{pointer-events:none}
.mcq-exp,.exp,.ge-exp{margin-top:8px;padding:9px 13px;border-radius:10px;font-size:13px;line-height:1.6;font-weight:700}
.mcq-exp.ok,.exp.ok,.ge-exp.ge-ok{background:var(--ep-green-lt);color:#065f46}
.mcq-exp.fail,.exp.fail,.exp.show,.ge-exp.ge-ng{background:var(--ep-amber-lt);color:#78350f}

/* ══════════ SCORE BAR ══════════ */
.score-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--light);border-radius:16px;margin-bottom:16px}
.score-bar-label{font-size:13px;font-weight:800;color:var(--ink2)}
.score-bar-track{flex:1;height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.score-bar-fill{height:100%;border-radius:999px;transition:width .5s;background:linear-gradient(90deg,var(--ep-blue),var(--ep-green));position:relative;overflow:hidden}
.score-bar-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);animation:epShine 1.8s ease-in-out infinite}
.score-bar-val{font-size:13px;font-weight:900;color:var(--ep-purple);white-space:nowrap}

/* ══════════ FILL IN BLANK ══════════ */
.fib-list{display:flex;flex-direction:column;gap:12px}
.fib-item{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;padding:14px 16px}
.fib-item.correct{border-color:var(--ep-green);background:var(--ep-green-lt)}
.fib-item.wrong{border-color:var(--ep-red);background:var(--ep-red-lt)}
.fib-sentence{font-size:16px;color:var(--ink2);line-height:2.1;margin-bottom:9px}
.fib-row,.input-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fib-input,.text-input{padding:8px 12px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;min-width:160px;transition:border-color .15s}
.fib-input:focus,.text-input:focus{border-color:var(--ep-purple);outline:none}
.fib-check-btn,.btn-primary{padding:9px 18px;border-radius:12px;background:var(--ep-purple);color:#fff;font-size:12px;font-weight:900;border:0;cursor:pointer;box-shadow:0 4px 0 var(--ep-purple-deep);transition:transform .1s,box-shadow .1s}
.fib-check-btn:active,.btn-primary:active{transform:translateY(3px);box-shadow:none}
.fib-show-btn,.btn-secondary{padding:8px 16px;border-radius:12px;background:#f1f5f9;color:var(--ink2);font-size:12px;font-weight:800;border:1.5px solid #e2e8f0;cursor:pointer}
.fib-result{font-size:12px;margin-top:7px;padding:6px 10px;border-radius:8px}
.fib-result.ok{background:var(--ep-green-lt);color:#166534}
.fib-result.fail{background:var(--ep-red-lt);color:#991b1b}

/* ══════════ WRITING ══════════ */
.textarea{width:100%;padding:10px 13px;border:1.5px solid #e2e8f0;border-radius:12px;font-size:14px;color:var(--ink);resize:vertical;min-height:64px;transition:border-color .15s;font-family:var(--font)}
.textarea:focus{border-color:var(--ep-purple);outline:none}
.answer-box,.model-answer{margin-top:10px;padding:10px 13px;border-radius:10px;background:var(--ep-amber-lt);border:1px solid var(--ep-amber-br);font-size:13px;color:#78350f;display:none}
.answer-box.show,.model-answer.show{display:block}

/* ══════════ BUTTONS(범용) ══════════ */
.btn-p{display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:14px;background:var(--ep-purple);color:#fff;font-size:14px;font-weight:900;border:0;cursor:pointer;box-shadow:0 4px 0 var(--ep-purple-deep);transition:transform .1s,box-shadow .1s}
.btn-p:active{transform:translateY(3px);box-shadow:none}
.btn-s{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:14px;background:#fff;color:var(--ink2);font-size:14px;font-weight:800;border:1.5px solid #e2e8f0;cursor:pointer}

/* ══════════ ANALYSIS ══════════ */
.analysis-part{margin-bottom:20px;border-radius:var(--tier-radius-sm);overflow:hidden;border:1.5px solid #e2e8f0}
.analysis-part-header{padding:10px 16px;color:#fff;font-size:13px;font-weight:900;display:flex;align-items:center;gap:8px}
.analysis-sent,.analysis-sent-item{padding:12px 16px;border-top:1px solid #f1f5f9;background:#fff;cursor:pointer;transition:.12s}
.analysis-sent:hover,.analysis-sent-item:hover{background:var(--light)}
.analysis-eng{font-size:14px;font-weight:700;color:var(--ink);line-height:1.9}
.analysis-kor{font-size:13px;color:var(--gray);margin-top:5px;padding:6px 10px;background:var(--light);border-radius:8px;line-height:1.7;display:none}
.analysis-kor.show{display:block}
.analysis-notes{display:none;flex-direction:column;gap:5px;margin-top:8px}
.analysis-notes.show{display:flex}
.note-chip{font-size:12px;padding:5px 10px;border-radius:8px;border-left:3px solid var(--ep-purple);background:var(--teal-lt);color:var(--ep-purple-deep);line-height:1.5}
.note-chip.warn{border-left-color:var(--ep-red-dark);background:var(--ep-red-lt);color:#991b1b}
.note-chip.amber{border-left-color:var(--ep-amber);background:var(--ep-amber-lt);color:#78350f}
.sent-badge{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--ep-purple);color:#fff;font-size:10px;font-weight:900;margin-right:7px;flex-shrink:0;vertical-align:middle}

/* ══════════ GRAMMAR EXERCISES(ge-*) ══════════ */
.ge-wrap{border-top:2px solid var(--teal-lt);margin-top:18px;padding-top:18px}
.ge-section-title{font-size:13px;font-weight:900;color:var(--ep-purple);margin-bottom:12px;display:flex;align-items:center;gap:6px;letter-spacing:.04em}
.ge-mcq{background:#f8fafc;border-radius:14px;padding:14px;margin-bottom:10px;border:1.5px solid #e2e8f0}
.ge-mcq-q{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.7}
.ge-opts{display:flex;flex-direction:column;gap:8px}
.ge-corr{background:var(--ep-red-lt);border-radius:14px;padding:14px;margin-bottom:10px;border:1.5px solid var(--ep-red-br)}
.ge-corr-wrong{font-size:14px;font-weight:700;color:var(--ep-red-dark);padding:8px 12px;background:#fff;border-radius:10px;border-left:3px solid var(--ep-red-dark);margin-bottom:8px;line-height:1.6}
.ge-corr-hint{font-size:12px;color:var(--gray);margin-bottom:8px}
.ge-corr-fix{display:none;padding:9px 13px;border-radius:10px;background:var(--ep-green-lt);font-size:13px;font-weight:800;color:#065f46;margin-top:6px;line-height:1.6}
.ge-corr-fix.show{display:block}
.ge-corr-btn{padding:7px 16px;border-radius:12px;background:var(--ep-purple);color:#fff;font-size:12px;font-weight:800;border:0;cursor:pointer}
.ge-arr{background:var(--teal-lt);border-radius:14px;padding:14px;margin-bottom:10px;border:1.5px solid var(--teal-br)}
.ge-arr-q{font-size:12px;font-weight:900;color:var(--ep-purple);margin-bottom:10px}
.ge-arr-answer{min-height:44px;display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:#fff;border-radius:10px;border:1.5px solid var(--teal-br);margin-bottom:10px;align-items:center}
.ge-arr-pool{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.ge-sub-title{font-size:12px;font-weight:900;color:var(--ink2);margin:14px 0 8px;display:flex;align-items:center;gap:5px}

/* ══════════ 배열 타일(어순/철자 공통, tile/placed/spell-*) ══════════ */
.tile-answer,.es-answer-box{min-height:46px;display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px;background:#f8fafc;border-radius:12px;border:1.5px solid #e2e8f0;margin-bottom:8px;align-items:center}
.tile-pool,.es-tile-pool{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.ge-arr-tile,.tile,.spell-tile{
  padding:8px 14px;border-radius:12px;border:2.5px solid var(--ep-purple);border-bottom-width:4px;
  background:#fff;color:var(--ep-purple);font-size:14px;font-weight:800;cursor:pointer;transition:transform .1s;line-height:1;
}
.ge-arr-tile:hover:not(:disabled),.tile:hover:not(:disabled),.spell-tile:hover:not(:disabled){background:var(--ep-purple);color:#fff}
.ge-arr-tile:active:not(:disabled),.tile:active:not(:disabled),.spell-tile:active:not(:disabled){transform:translateY(2px);border-bottom-width:2.5px}
.ge-arr-tile:disabled,.tile:disabled,.spell-tile:disabled{opacity:.22;cursor:not-allowed;border-color:#e2e8f0;background:#f1f5f9;color:#9ca3af}
.ge-arr-placed,.placed,.spell-placed{
  padding:8px 14px;border-radius:12px;border:2.5px solid var(--ep-green);background:#d1fae5;color:#065f46;
  font-size:14px;font-weight:800;cursor:pointer;line-height:1;animation:epPop .3s ease;
}
.ge-arr-placed:hover:not(.sp-lock),.placed:hover:not(.sp-lock),.spell-placed:hover:not(.sp-lock){background:var(--ep-green);color:#fff}
.spell-placed.sp-lock{cursor:default;pointer-events:none}
.spell-blank{display:inline-flex;width:36px;height:36px;border-radius:10px;border:2px dashed #e2e8f0;background:transparent}
.ge-arr-result,.spell-result{padding:8px 12px;border-radius:10px;font-size:13px;font-weight:800;margin:6px 0;text-align:center}
.ge-arr-ok,.spell-result.ok{background:var(--ep-green-lt);color:#065f46}
.ge-arr-ng,.spell-result.ng{background:var(--ep-red-lt);color:#991b1b}
.spell-result.rev{background:var(--ep-amber-lt);color:#78350f}
.spell-box{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;padding:14px;margin-top:10px}
.spell-title{font-size:12px;font-weight:900;color:var(--ep-purple);letter-spacing:.06em;margin-bottom:10px;text-align:center}
.spell-answer{min-height:46px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center;align-items:center;padding:8px;background:#fff;border-radius:10px;border:1.5px solid #e2e8f0;margin-bottom:10px}
.spell-pool{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:10px}
.sp-row{display:flex;gap:6px;align-items:center}
.sp-btn-check{flex:2;padding:10px;border-radius:12px;background:var(--ep-purple);color:#fff;font-size:13px;font-weight:900;border:0;cursor:pointer;box-shadow:0 4px 0 var(--ep-purple-deep)}
.sp-btn-check:active{transform:translateY(3px);box-shadow:none}
.sp-btn-check:disabled{opacity:.38;cursor:not-allowed}
.sp-btn-hint{flex:1;padding:10px;border-radius:12px;background:var(--ep-amber-lt);color:var(--ep-amber);font-size:12px;font-weight:800;border:1px solid var(--ep-amber-br);cursor:pointer}
.sp-btn-reset{width:36px;height:36px;border-radius:12px;background:var(--light);color:var(--gray);font-size:15px;font-weight:700;border:1.5px solid #e2e8f0;cursor:pointer}

/* ══════════ 답변 모드(am-*, 배열/타이핑/말하기) ══════════ */
.am-modes{margin:10px 0 8px;padding:12px;border-radius:16px;background:#f8f6ff;border:1.5px solid #eeecfb}
.am-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.am-tab{border:1.5px solid #e2ddfb;background:#fff;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:800;color:#6b6580;cursor:pointer;transition:.15s}
.am-tab:hover{border-color:var(--ep-purple);color:var(--ep-purple-dark)}
.am-tab.am-active{background:linear-gradient(135deg,var(--ep-purple),var(--ep-purple-dark));border-color:transparent;color:#fff;box-shadow:0 3px 0 #4830b8}
.am-panel[hidden]{display:none}
.am-slot{display:flex;flex-wrap:wrap;gap:6px;min-height:44px;padding:8px 10px;margin-bottom:8px;border:2px dashed #d8d2fa;border-radius:12px;background:#fff;align-items:center}
.am-slot-hint{font-size:12px;color:#9992c2;font-weight:700}
.am-pool{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.am-tile{border:2px solid #e2ddfb;border-bottom-width:4px;background:#fff;border-radius:10px;padding:8px 12px;font-size:14px;font-weight:800;color:#3B2E7A;cursor:pointer;transition:.1s}
.am-tile:hover:not(:disabled){border-color:var(--ep-purple);background:#f4f1ff}
.am-tile:active:not(:disabled){transform:translateY(2px);border-bottom-width:2px}
.am-tile:disabled{opacity:.28;cursor:default}
.am-tile.am-placed{background:#eef0ff;border-color:var(--ep-purple);color:var(--ep-purple-dark)}
.am-clear{border:0;background:none;color:#9c1c37;font-size:12px;font-weight:800;cursor:pointer;padding:4px 2px}
.am-speak{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.am-mic{border:2px solid var(--ep-pink);border-bottom-width:4px;background:#fff0f5;color:var(--ep-pink-dark);border-radius:14px;padding:10px 18px;font-size:14px;font-weight:900;cursor:pointer;transition:.12s}
.am-mic:hover{background:#ffe3ec}
.am-mic:active{transform:translateY(2px);border-bottom-width:2px}
.am-mic.am-mic-on{background:var(--ep-pink);color:#fff;animation:amMicPulse 1.1s ease-in-out infinite}
@keyframes amMicPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,107,157,.5)}50%{box-shadow:0 0 0 10px rgba(255,107,157,0)}}
.am-transcript{font-size:13px;color:#3B2E7A;font-weight:700;min-height:18px}
.input-row .text-input[readonly]{background:#f4f2fb;color:#6b6580}
.input-row.am-row-typing .text-input{background:#fff;color:inherit}

/* ══════════ VOCAB HUB / LEARN CARD / QUIZ / REVIEW ══════════ */
.vh-hub{display:flex;flex-direction:column;gap:14px}
.vh-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px 10px;background:var(--light);border-radius:14px}
.vh-stat{text-align:center}
.vh-stat-val{font-size:20px;font-weight:800;color:var(--ep-purple);font-family:var(--font-display)}
.vh-stat-label{font-size:11px;color:var(--gray);margin-top:1px}
.vh-modes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.vh-mode-btn{padding:14px 8px;border-radius:16px;border:2px solid #e2e8f0;background:#fff;cursor:pointer;text-align:center;transition:.15s}
.vh-mode-btn:hover:not(.vh-disabled){border-color:var(--ep-purple);background:var(--light)}
.vh-mode-btn.vh-disabled{opacity:.45;cursor:not-allowed}
.vh-mode-icon{font-size:26px;margin-bottom:4px}
.vh-mode-title{font-size:14px;font-weight:900;color:var(--ink)}
.vh-mode-sub{font-size:11px;color:var(--gray);margin-top:2px}
.vh-results{text-align:center;padding:20px}
.vh-xp{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;background:var(--ep-amber-lt);border:2px solid var(--ep-amber-br);font-size:16px;font-weight:900;color:var(--ep-amber);margin:10px 0 16px}
.vh-rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.vh-rcell{background:var(--light);border-radius:14px;padding:12px;text-align:center}
.vh-rnum{font-size:22px;font-weight:800;color:var(--ink);font-family:var(--font-display)}
.vh-rlabel{font-size:11px;color:var(--gray)}

.lc-wrap{display:flex;flex-direction:column;gap:12px}
.lc-prog-bar{height:6px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-bottom:2px}
.lc-prog-fill{height:100%;border-radius:999px;transition:width .4s;background:linear-gradient(90deg,var(--ep-blue),var(--ep-green));position:relative;overflow:hidden}
.lc-prog-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);animation:epShine 1.8s ease-in-out infinite}
.lc-card{background:linear-gradient(135deg,var(--ep-purple-deep),var(--ep-purple));border-radius:20px;padding:28px 20px;text-align:center;color:#fff}
.lc-lvbadge{font-size:11px;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.2);display:inline-block;margin-bottom:10px;font-weight:800}
.lc-word{font-family:var(--font-display);font-size:30px;font-weight:700;margin-bottom:6px}
.lc-pos-tag{font-size:13px;opacity:.75;margin-bottom:16px}
.lc-reveal-btn{padding:10px 24px;border-radius:12px;background:rgba(255,255,255,.2);border:2px solid rgba(255,255,255,.4);color:#fff;font-size:14px;font-weight:800;cursor:pointer}
.lc-meaning-box{background:#fff;border-radius:14px;padding:16px;text-align:left}
.lc-meaning{font-size:17px;font-weight:900;color:var(--ink);margin-bottom:8px}
.lc-ex{font-size:13px;color:var(--ink2);font-style:italic;padding:7px 10px;background:var(--light);border-radius:8px;line-height:1.7;margin-bottom:10px}
.lc-ex-kor{font-size:12px;color:var(--ep-purple);font-style:normal;margin-top:5px;padding-top:5px;border-top:1px dashed #e2e8f0;line-height:1.6}
.lc-mnemonic{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid #fde68a;border-radius:12px;padding:12px}
.lc-mnem-title{font-size:11px;font-weight:900;color:var(--ep-amber);letter-spacing:.06em;margin-bottom:8px}
.lc-mnem-row{font-size:12px;color:#78350f;padding:5px 0;border-bottom:1px solid #fde68a;line-height:1.6}
.lc-mnem-row:last-child{border-bottom:0}
.lc-actions{display:flex;gap:8px;margin-top:12px}
.lc-btn{flex:1;padding:11px 8px;border-radius:12px;border:0;font-size:13px;font-weight:800;cursor:pointer}
.lc-btn-ok{background:var(--ep-purple);color:#fff}
.lc-btn-ng{background:var(--light);color:var(--ink2);border:1.5px solid #e2e8f0}

.qz-q-card{background:#fff;border-radius:16px;border:1.5px solid #e2e8f0;padding:18px;text-align:center}
.qz-label{font-size:11px;font-weight:900;color:var(--ep-purple);letter-spacing:.05em;margin-bottom:8px}
.qz-word{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--ink)}
.qz-pos{font-size:12px;color:var(--gray);margin-top:4px}
.qz-opts{display:flex;flex-direction:column;gap:8px;margin-top:4px}

.rv-card{background:#fff;border-radius:20px;border:1.5px solid #e2e8f0;overflow:hidden}
.rv-front{padding:28px 20px;text-align:center;cursor:pointer;background:linear-gradient(135deg,var(--light),#fff)}
.rv-word{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--ink);margin-bottom:4px}
.rv-pos{font-size:13px;color:var(--gray)}
.rv-hint{font-size:12px;color:var(--ep-purple);margin-top:14px;opacity:.8}
.rv-back{display:none;padding:16px;border-top:1px solid #f1f5f9}
.rv-back.show{display:block}
.rv-meaning{font-size:17px;font-weight:900;color:var(--ink);margin-bottom:8px}
.rv-ex{font-size:13px;color:var(--ink2);font-style:italic;padding:6px 10px;background:var(--light);border-radius:8px;line-height:1.7;margin-bottom:12px}
.rv-grades{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.rv-grade{padding:11px 5px;border-radius:12px;border:0;font-size:12px;font-weight:900;cursor:pointer;line-height:1.4;transition:.15s}
.rv-again{background:var(--ep-red-lt);color:var(--ep-red-dark)}.rv-again:hover{background:var(--ep-red-dark);color:#fff}
.rv-hard{background:var(--ep-amber-lt);color:var(--ep-amber)}.rv-hard:hover{background:var(--ep-amber);color:#fff}
.rv-good{background:var(--ep-green-lt);color:var(--ep-green-dark)}.rv-good:hover{background:var(--ep-green-dark);color:#fff}

/* ══════════ 본문암기/문장모드(bc-*, yj-*) ══════════ */
.bc-part,.yj-part{margin-bottom:18px;border-radius:var(--tier-radius-sm);overflow:hidden;border:1.5px solid #e2e8f0}
.bc-part-header,.yj-part-header{padding:10px 18px;color:#fff;font-size:13px;font-weight:900;display:flex;align-items:center;gap:10px}
.bc-item{padding:12px 16px;border-top:1px solid #f1f5f9;background:#fff}
.bc-num{font-size:11px;font-weight:900;color:var(--ep-purple);letter-spacing:.04em;margin-bottom:5px}
.bc-sent{font-size:14px;color:var(--ink2);line-height:1.9;margin-bottom:7px}
.bc-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.bc-input{padding:7px 12px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;min-width:130px;max-width:260px;transition:border-color .15s}
.bc-input:focus{border-color:var(--ep-purple);outline:none}
.bc-btn-check{padding:7px 16px;border-radius:10px;background:var(--ep-purple);color:#fff;font-size:12px;font-weight:800;border:0;cursor:pointer}
.bc-btn-show{padding:6px 14px;border-radius:10px;background:var(--light);color:var(--ink2);font-size:12px;font-weight:700;border:1.5px solid #e2e8f0;cursor:pointer}
.bc-result{font-size:12px;margin-top:6px;padding:6px 10px;border-radius:8px;line-height:1.5}
.bc-result.ok{background:var(--ep-green-lt);color:#166534}
.bc-result.fail{background:var(--ep-red-lt);color:#991b1b}
.bc-result.shown{background:var(--ep-amber-lt);color:#78350f;border:1px solid var(--ep-amber-br)}
.bc-gram-ans{margin-top:7px;padding:8px 14px;border-radius:10px;background:var(--ep-amber-lt);border:1px solid var(--ep-amber-br);font-size:13px;color:#78350f}
.bc-progress{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--light);border-bottom:1px solid #e2e8f0}
.bc-progress-bar{flex:1;height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}
.bc-progress-fill{height:100%;border-radius:999px;transition:width .5s;background:linear-gradient(90deg,var(--ep-blue),var(--ep-green))}

.yj-item{padding:14px 16px;border-top:1px solid #f1f5f9;background:#fff;transition:border-color .2s}
.yj-item.yj-ok{background:var(--ep-green-lt);border-left:3px solid var(--ep-green)}
.yj-item.yj-shown{background:var(--ep-amber-lt);border-left:3px solid var(--ep-amber)}
.yj-num{font-size:11px;font-weight:900;color:var(--ep-purple);letter-spacing:.04em;margin-bottom:5px}
.yj-kor{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.8;padding:8px 12px;background:var(--light);border-radius:10px}
.yj-input{width:100%;padding:9px 12px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;color:var(--ink);resize:none;min-height:44px;line-height:1.6;transition:border-color .15s;font-family:var(--font)}
.yj-input:focus{border-color:var(--ep-purple);outline:none}
.yj-btns{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.yj-btn-check{padding:7px 16px;border-radius:10px;background:var(--ep-purple);color:#fff;font-size:12px;font-weight:800;border:0;cursor:pointer}
.yj-btn-show{padding:6px 14px;border-radius:10px;background:var(--light);color:var(--ink2);font-size:12px;font-weight:700;border:1.5px solid #e2e8f0;cursor:pointer}
.yj-btn-reset{padding:6px 10px;border-radius:10px;background:var(--light);color:var(--gray);font-size:13px;font-weight:700;border:1.5px solid #e2e8f0;cursor:pointer}
.yj-result{font-size:13px;margin-top:8px;padding:8px 12px;border-radius:8px;line-height:1.6}
.yj-result.ok{background:var(--ep-green-lt);color:#166534}
.yj-result.fail{background:var(--ep-red-lt);color:#991b1b}
.yj-result.shown{background:var(--ep-amber-lt);color:#78350f;border:1px solid var(--ep-amber-br)}

/* ══════════ 로그인 게이트(auth-gate, 일부 레슨은 클래스로 씀) ══════════ */
#auth-gate{position:fixed;inset:0;z-index:9999;background:#EEEBFB;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}
#auth-gate .auth-card{background:#fff;border-radius:20px;padding:40px 32px;max-width:420px;width:100%;box-shadow:0 4px 24px rgba(0,0,0,.12);border:1.5px solid #eeecfb}

/* ══════════ 본문암기 받아쓰기(memo-*, cloze-word, comp-list — 동아 윤정미 계열) ══════════ */
.comp-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.memo-card{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;padding:14px;margin-bottom:10px}
.memo-cloze{font-size:15px;color:var(--ink);line-height:2;margin-bottom:8px}
.cloze-word{display:inline-block;min-width:44px;padding:2px 8px;border-radius:8px;background:var(--teal-lt);border-bottom:2px solid var(--ep-purple);color:var(--ep-purple);font-weight:900;cursor:pointer;text-align:center}
.memo-dictation{margin-top:8px}

/* ══════════ 어법교정/서술형/자기채점(ec-*/writing-*/criteria-*/bc-opt — 천재 이재영 계열 한정) ══════════ */
.ec-list,.writing-list{display:flex;flex-direction:column;gap:12px}
.ec-item{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;padding:14px 16px}
.ec-wrong{font-size:15px;color:var(--ep-red-dark);font-weight:700;margin-bottom:8px;padding:8px 12px;background:var(--ep-red-lt);border-radius:8px;border-left:3px solid var(--ep-red-dark)}
.ec-hint{font-size:12px;color:var(--gray);margin-bottom:8px}
.ec-textarea,.writing-textarea{width:100%;padding:10px 13px;border:1.5px solid #e2e8f0;border-radius:10px;font-size:14px;color:var(--ink);resize:none;min-height:56px;transition:border-color .15s;font-family:var(--font)}
.ec-textarea:focus,.writing-textarea:focus{border-color:var(--ep-purple);outline:none}
.ec-result{margin-top:8px;font-size:13px;padding:8px 12px;border-radius:8px}
.ec-result.show{background:var(--ep-amber-lt);color:#78350f;border:1px solid var(--ep-amber-br)}
.writing-item{background:#f8fafc;border-radius:var(--tier-radius-sm);border:1.5px solid #e2e8f0;overflow:hidden}
.writing-header{padding:10px 14px;background:var(--teal-lt);border-bottom:1px solid #f1f5f9;display:flex;align-items:center;gap:8px}
.writing-num{padding:3px 10px;border-radius:8px;background:var(--ep-purple);color:#fff;font-size:12px;font-weight:900}
.writing-q{font-size:14px;font-weight:800;color:var(--ink)}
.writing-body{padding:14px}
.writing-context{font-size:14px;color:var(--ink2);padding:9px 13px;background:#fff;border-radius:10px;border:1px solid #e2e8f0;margin-bottom:10px;line-height:1.8;font-style:italic}
.writing-actions{display:flex;gap:8px;margin-top:8px}
.writing-show-btn{padding:7px 14px;border-radius:10px;font-size:12px;font-weight:800;border:0;cursor:pointer;background:var(--ep-purple);color:#fff;opacity:.85}
.criteria-list{margin-top:6px;font-size:12px;color:#78350f}
.criteria-item::before{content:'✓ ';color:var(--ep-amber)}
.mcq-opt-icon{font-size:14px;flex-shrink:0}
.analysis-char-header{padding:8px 16px;background:linear-gradient(90deg,#7c3aed22,#fff);border-top:1px solid #f1f5f9;font-size:13px;font-weight:900;color:#7c3aed}
.analysis-eng .star{color:var(--ep-purple);font-weight:900;background:#C9BEFF44;border-radius:4px;padding:0 2px}
.analysis-toggle{float:right;font-size:11px;color:var(--gray);margin-top:2px}
.ge-arr-placed:hover:not(.ge-lock){background:var(--ep-green);color:#fff}
.ge-arr-placed.ge-lock{cursor:default;pointer-events:none}
.bc-mcq-opts{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.bc-opt{padding:10px 16px;border-radius:12px;border:1.5px solid #e2e8f0;background:#fff;font-size:13px;font-weight:700;color:var(--ink2);cursor:pointer;transition:.12s}
.bc-opt:hover:not([disabled]){border-color:var(--ep-purple);background:var(--teal-lt)}
.bc-opt.bc-ok{border-color:var(--ep-green);background:var(--ep-green-lt);color:#065f46;pointer-events:none}
.bc-opt.bc-ng{border-color:var(--ep-red);background:var(--ep-red-lt);color:#991b1b;pointer-events:none}
.bc-opt.bc-sk{border-color:var(--ep-green);background:var(--ep-green-lt);color:#065f46;opacity:.5;pointer-events:none}
.es-answer-text{font-size:14px;font-weight:700;color:#065f46}
.hl-emphasis{background:#fef08a;border-radius:4px;padding:1px 3px;color:#854d0e;font-weight:900}
.hl-pronoun{background:#bfdbfe;border-radius:4px;padding:1px 3px;color:#1e40af;font-weight:900}

/* ══════════ 잡동사니(grid/mini-stat/pill/note/tts) ══════════ */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:12px}
.mini-stat{padding:14px;border-radius:16px;background:var(--light);border:2px solid #eeecfb;transition:transform .15s}
.mini-stat:hover{transform:translateY(-2px) scale(1.02)}
.mini-stat strong{display:block;color:var(--ep-purple);font-size:26px;font-family:var(--font-display)}
.mini-stat span{font-size:12px;color:var(--gray);font-weight:800}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.pill{padding:7px 14px;border-radius:999px;background:var(--teal-lt);border:1px solid var(--teal-br);color:var(--ep-purple-deep);font-size:12px;font-weight:900}
.note{padding:12px 14px;border-radius:12px;background:var(--ep-amber-lt);border:1px solid var(--ep-amber-br);color:#78350f;font-size:13px;line-height:1.7}
.tts-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:999px;border:1.5px solid rgba(255,255,255,.4);background:rgba(255,255,255,.18);color:#fff;font-size:13px;font-weight:800;cursor:pointer;margin-top:10px;transition:.15s}
.tts-btn:hover{background:rgba(255,255,255,.32)}
.tts-btn.playing{background:rgba(255,255,255,.4);animation:epPulse .8s infinite}

/* ══════════ 애니메이션 ══════════ */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes epPulse{0%,100%{opacity:1}50%{opacity:.6}}
@keyframes epFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes epFadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes epPop{0%{transform:scale(.9)}55%{transform:scale(1.07)}100%{transform:scale(1)}}
@keyframes epShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@keyframes epRing{0%{box-shadow:0 0 0 0 rgba(0,200,151,.55)}100%{box-shadow:0 0 0 16px rgba(0,200,151,0)}}
@keyframes epShine{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* ══════════ 떠다니는 코치 ══════════ */
.gc-coach{position:fixed;right:16px;bottom:16px;z-index:300;display:flex;align-items:flex-end;gap:8px;pointer-events:none}
.gc-coach img{width:64px;height:64px;object-fit:contain;filter:drop-shadow(0 10px 18px rgba(0,0,0,.3));animation:epFloat 3.2s ease-in-out infinite;transition:transform .25s}
.gc-coach.gc-pulse img{animation:epPop .5s ease}
.gc-coach-bubble{
  background:#fff;color:#3B2E7A;font-size:.82rem;font-weight:800;padding:9px 13px;border-radius:15px 15px 4px 15px;
  box-shadow:0 10px 22px rgba(10,5,30,.3);max-width:190px;line-height:1.4;
  opacity:0;transform:translateY(6px) scale(.94);transition:opacity .2s,transform .2s;margin-bottom:8px;
}
.gc-coach.gc-show .gc-coach-bubble{opacity:1;transform:translateY(0) scale(1)}

/* ══════════ 레슨 클리어 축하 ══════════ */
.gc-clear-overlay{position:fixed;inset:0;z-index:500;display:flex;align-items:center;justify-content:center;background:rgba(20,10,50,.55);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .25s}
.gc-clear-overlay.gc-show{opacity:1;pointer-events:auto}
.gc-clear-card{position:relative;background:#fff;border-radius:28px;padding:36px 32px 30px;max-width:320px;width:calc(100% - 40px);text-align:center;box-shadow:0 24px 60px rgba(20,10,50,.4);transform:scale(.85) translateY(10px);opacity:0;transition:transform .3s cubic-bezier(.2,1.4,.4,1),opacity .3s}
.gc-clear-overlay.gc-show .gc-clear-card{transform:scale(1) translateY(0);opacity:1}
.gc-clear-mascot{width:96px;height:96px;object-fit:contain;margin-bottom:10px;filter:drop-shadow(0 8px 14px rgba(0,0,0,.2))}
.gc-clear-title{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--ep-purple-deep);margin-bottom:6px}
.gc-clear-sub{font-size:13.5px;color:#6b6580;line-height:1.6;margin-bottom:18px}
.gc-clear-close{border:0;border-radius:14px;padding:12px 22px;font-weight:900;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--ep-purple),var(--ep-purple-dark));box-shadow:0 4px 0 #4830b8;cursor:pointer}
.gc-clear-close:active{transform:translateY(3px);box-shadow:none}
.gc-confetti{position:absolute;inset:0;overflow:hidden;pointer-events:none;border-radius:inherit}
.gc-confetti-bit{position:absolute;top:-40px;font-size:22px;animation-name:gcConfettiFall;animation-timing-function:ease-in;animation-iteration-count:1}
@keyframes gcConfettiFall{0%{transform:translateY(0) rotate(0deg);opacity:1}100%{transform:translateY(110vh) rotate(360deg);opacity:.15}}