:root {
  /* ===== Molecular Precision 브랜드 토큰 ===== */
  --navy: #191f28; --navy-soft: #4e5968;
  --copper: #3182f6; --copper-soft: #2272eb;
  --cream: #fafafa; --cream-2: #f4f5f7; --card: #ffffff;
  --ink: #191f28; --ink-soft: #4e5968; --muted: #6b7684;
  --border: #e5e8eb; --hair: rgba(25,31,40,.12); --hair-2: rgba(25,31,40,.06);
  --copper-bg: rgba(49,130,246,.08); --copper-line: rgba(49,130,246,.35); --navy-bg: rgba(25,31,40,.05);
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px;
  --shadow-soft: 0 1px 2px rgba(0,0,0,.04);
  --shadow-lift: 0 8px 24px rgba(0,0,0,.12);
  --ease: cubic-bezier(.3,.3,.3,1); --dur: 0.15s;

  /* 기능색(상태색) — 톤 정리 */
  --ok: #067647; --ok-bg: rgba(3,178,108,.09);
  --bad: #d22030; --bad-bg: rgba(240,68,82,.09);

  /* 손가락 색상존 — 채도 낮춘 브랜드 조화 톤 */
  --f-pinky: rgba(49,130,246,.10);
  --f-ring: rgba(25,31,40,.06);
  --f-middle: rgba(25,31,40,.10);
  --f-index: rgba(49,130,246,.16);
  --f-thumb: var(--cream-2);

  /* 폰트 스택 */
  --font-ui: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;

  font-size: 16px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0;
  background: var(--cream);
  color: var(--ink-soft);
  font-family: var(--font-ui);
  line-height: 1.55; -webkit-font-smoothing: antialiased;
}

:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }

/* mono 숫자·메타 */
.mono, .stat__val, .select-item__best, .prac-done__stat b, .pos-progress,
.mini-strip__num, .best-badge, .fw-count {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
}

/* ===== 상단바 ===== */
.appbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 8px;
  padding: max(env(safe-area-inset-top), 10px) 14px 10px;
  background: var(--card); color: var(--ink);
  box-shadow: 0 1px 0 var(--border);
}
.appbar__title { flex: 1; min-width: 0; font-size: 1.05rem; font-weight: 700; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); }
.appbar__home, .appbar__lang {
  background: var(--cream-2); border: 1px solid var(--border); color: var(--ink-soft);
  height: 38px; border-radius: var(--radius-md); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: inherit; font-weight: 700; font-size: .82rem; white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.appbar__home { width: 38px; padding: 0; }
.appbar__lang { padding: 0 12px; }
.appbar__home:hover, .appbar__lang:hover, .appbar__back:hover { background: var(--border); border-color: var(--border); }
.appbar__back {
  background: var(--cream-2); border: 1px solid var(--border); color: var(--ink-soft); text-decoration: none;
  border-radius: var(--radius-md); padding: 0 12px; height: 38px; font-size: .82rem; font-weight: 700; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.appbar__ico { width: 17px; height: 17px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.appbar__lang .appbar__lang-name { font-family: var(--font-ui); }

/* ===== 레이아웃 ===== */
#app { max-width: 860px; margin: 0 auto; padding: 16px 14px 48px; }
.view-title { font-size: 1.3rem; margin: 0; color: var(--navy); font-weight: 700; }
.view-desc { color: var(--muted); margin: 6px 0 16px; font-size: .95rem; }
.hidden { display: none !important; }
.lead { font-size: 1.08rem; font-weight: 700; margin: 6px 0 6px; color: var(--navy); }
.lead-sub {
  background: var(--copper-bg); color: var(--ink-soft);
  border: 1px solid var(--copper-line); border-left: 3px solid var(--copper);
  border-radius: var(--radius-md); padding: 12px 14px; font-size: .9rem; font-weight: 500; margin: 0 0 18px;
  display: flex; gap: 10px; align-items: flex-start;
}
.lead-sub__ico { width: 18px; height: 18px; flex: none; margin-top: 1px; stroke: var(--copper); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.hint { margin-top: 22px; text-align: center; color: var(--muted); font-size: .8rem; }

/* eyebrow */
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-ui); font-size: .75rem; font-weight: 600; letter-spacing: 0;
  color: var(--copper); margin: 0 0 8px;
}
.eyebrow::before { content: ""; width: 2rem; height: 1px; background: var(--copper); display: inline-block; }

/* ===== 버튼 ===== */
.btn { border: 1px solid transparent; border-radius: var(--radius-md); padding: 11px 18px; font-size: 1rem; font-weight: 700; cursor: pointer; font-family: inherit; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.btn--primary { background: var(--copper); color: #fff; }
.btn--primary:hover { background: var(--copper-soft); }
.btn--ghost { background: var(--card); color: var(--ink); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--copper-line); color: var(--navy); }
.btn--sm { padding: 6px 12px; font-size: .85rem; }

/* ===== 미니 요약 스트립 (홈 상단) ===== */
.mini-strip {
  display: flex; align-items: center; gap: 0; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--copper);
  border-radius: var(--radius-md); padding: 12px 16px; margin: 0 0 16px; box-shadow: var(--shadow-soft);
}
.mini-strip__item { display: flex; flex-direction: column; gap: 2px; padding-right: 20px; margin-right: 20px; border-right: 1px solid var(--hair-2); }
.mini-strip__item:last-child { border-right: 0; padding-right: 0; margin-right: 0; }
.mini-strip__label { font-size: .68rem; color: var(--muted); }
.mini-strip__num { font-size: 1.2rem; font-weight: 700; color: var(--navy); }
.mini-strip__num span { font-size: .8rem; color: var(--muted); font-weight: 500; margin-left: 1px; }

/* ===== 홈 모드 카드 ===== */
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mode-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 18px 16px; text-align: left; cursor: pointer; box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); font-family: inherit;
}
.mode-card:hover { border-color: var(--copper); box-shadow: var(--shadow-soft); }
.mode-card--primary { background: var(--copper); border-color: var(--copper); color: #fff; }
.mode-card--primary .mode-card__title { color: #fff; }
.mode-card--primary .mode-card__sub { color: rgba(255,255,255,.78); }
.mode-card--primary .mode-card__icon { background: rgba(255,255,255,.1); }
.mode-card--primary .mode-card__ico { stroke: #fff; }
.mode-card--primary:hover { border-color: var(--copper-soft); }
.mode-card__icon {
  width: 44px; height: 44px; border-radius: var(--radius-lg); background: var(--navy-bg);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--dur) var(--ease);
}
.mode-card__ico { width: 24px; height: 24px; stroke: var(--navy); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: stroke var(--dur) var(--ease); }
.mode-card__ico-text { font-family: var(--font-ui); font-size: 1.35rem; font-weight: 700; color: var(--navy); line-height: 1; }
.mode-card--primary .mode-card__ico-text { color: #fff; }
.mode-card:hover .mode-card__ico { stroke: var(--copper); }
.mode-card--primary:hover .mode-card__ico { stroke: #fff; }
.mode-card__title { font-size: 1.08rem; font-weight: 700; color: var(--navy); }
.mode-card__sub { font-size: .82rem; color: var(--muted); }
.mode-card__badge {
  margin-top: 2px; font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  color: var(--copper); background: var(--copper-bg); border: 1px solid var(--copper-line);
  border-radius: var(--radius-sm); padding: 2px 7px;
}
.mode-card__badge--empty { color: var(--muted); background: var(--navy-bg); border-color: var(--hair-2); font-family: var(--font-ui); }
.mode-card--primary .mode-card__badge { color: #fff; background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.24); }
.mode-card--primary .mode-card__badge--empty { color: rgba(255,255,255,.8); }

/* ===== 목록 선택 ===== */
.list-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.select-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.select-item {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px 16px; cursor: pointer; box-shadow: var(--shadow-soft); text-align: left; font-family: inherit; width: 100%;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.select-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--copper);
  transform: scaleY(0); transform-origin: top; transition: transform var(--dur) var(--ease);
}
.select-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); border-color: var(--copper-line); }
.select-item:hover::before { transform: scaleY(1); }
.select-item__main { min-width: 0; }
.select-item__title { font-size: 1rem; font-weight: 700; display: block; line-height: 1.4; word-break: keep-all; color: var(--navy); }
.select-item__sub { font-size: .82rem; color: var(--muted); display: block; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60vw; }
.select-item__best { font-size: .78rem; color: var(--copper); font-weight: 700; white-space: nowrap; }

/* 장문 항목(따라 치기 + 실전 쓰기) */
.long-item {
  position: relative; overflow: hidden;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 14px 16px; box-shadow: var(--shadow-soft);
  transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.long-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--copper);
  transform: scaleY(0); transform-origin: top; transition: transform var(--dur) var(--ease);
}
.long-item:hover { box-shadow: var(--shadow-lift); border-color: var(--copper-line); }
.long-item:hover::before { transform: scaleY(1); }
.long-item__head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.long-item__head .select-item__title { flex: 1; min-width: 0; }
.long-item__sub { max-width: 100%; margin-top: 4px; }
.long-item__acts { display: flex; gap: 8px; margin-top: 12px; }
.long-item__btn { flex: 1; }

/* ===== 연습 상단 ===== */
.prac-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.prac-title { font-weight: 700; font-size: 1.05rem; color: var(--navy); }

/* 통계 */
.stat-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 8px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 8px 6px; text-align: center; box-shadow: var(--shadow-soft); }
.stat__label { display: block; font-size: .7rem; color: var(--muted); }
.stat__val { display: block; font-size: 1.15rem; font-weight: 700; color: var(--navy); }

.progress-bar { height: 4px; background: var(--cream-2); border-radius: var(--radius-sm); overflow: hidden; margin: 8px 0 14px; }
.progress-bar__fill { height: 100%; width: 0; background: var(--copper); transition: width var(--dur) var(--ease); }

/* 의미/주제 */
.prac-meta {
  background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--copper);
  border-radius: var(--radius-md); padding: 12px 14px; margin-bottom: 12px;
}
.prac-meta__topic { font-weight: 700; font-size: .92rem; color: var(--navy); }
.prac-meta__trans { color: var(--ink-soft); font-size: .88rem; margin-top: 4px; }
/* 장문 모드: prac-meta 압축(1줄 요약+펼치기) */
.prac-meta--fold { padding: 0; }
.prac-meta--fold summary {
  list-style: none; cursor: pointer; padding: 9px 14px;
  display: flex; align-items: center; gap: 8px; font-size: .88rem;
}
.prac-meta--fold summary::-webkit-details-marker { display: none; }
.prac-meta__sumtopic { font-weight: 700; color: var(--navy); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.prac-meta__chev { width: 14px; height: 14px; flex: none; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform var(--dur) var(--ease); }
.prac-meta--fold[open] .prac-meta__chev { transform: rotate(180deg); }
.prac-meta__body { padding: 0 14px 11px; }
.prac-meta__body .prac-meta__trans { margin-top: 0; }

/* ===== 타깃 표시 ===== */
.target-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); padding: 18px; margin-bottom: 12px; }

/* 자리연습: 큰 셀 + 큐 */
.pos-stage { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.pos-queue { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 56px; }
.pos-cell { width: 44px; height: 56px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 700; color: var(--muted); border-radius: var(--radius-md); }
.pos-cell.is-current { width: 96px; height: 96px; font-size: 3.4rem; color: #fff; background: var(--copper); box-shadow: 0 8px 28px rgba(49,130,246,.28); }
.pos-cell.is-done { color: var(--ok); }
.pos-progress { color: var(--muted); font-size: .85rem; }

/* 텍스트(낱글자/단문/장문) */
.txt-lines { display: flex; flex-direction: column; max-height: 17rem; overflow: hidden; position: relative; }
.tline { margin-bottom: 10px; }
.tline-target { font-size: 1.4rem; line-height: 1.7; word-break: keep-all; }
.tline-echo { font-size: 1.4rem; line-height: 1.7; min-height: 1.5em; color: var(--ink); word-break: keep-all; border-bottom: 1px dashed var(--border); padding: 1px 0 4px; }
.tline.is-current .tline-echo { border-bottom-color: var(--copper); }
.tline-target .ch { border-radius: var(--radius-sm); }
.tline-target .ch.done { color: var(--navy); }
.tline-target .ch.current { background: var(--copper); color: #fff; }
.tline-target .ch.pending { color: var(--muted); }
.tline-target .ch.sp { white-space: pre; }
.tline-echo .ech.ok { color: var(--ink); }
.tline-echo .ech.bad { color: var(--bad); background: var(--bad-bg); border-radius: var(--radius-sm); }
.tline-echo .ech.sp { white-space: pre; }
.tline-echo .caret { display: inline-block; width: 2px; height: 1.05em; background: var(--copper); vertical-align: -2px; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ===== 실전 쓰기(자유 타이핑) ===== */
.fw-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); padding: 18px; margin-bottom: 12px; }
.fw-echo { font-size: 1.4rem; line-height: 1.8; min-height: 6.4em; word-break: keep-all; color: var(--ink); white-space: pre-wrap; }
.fw-echo .caret { display: inline-block; width: 2px; height: 1.05em; background: var(--copper); vertical-align: -2px; animation: blink 1s step-end infinite; }
.fw-echo:empty::before { content: attr(data-ph); color: var(--muted); font-size: 1rem; }
.fw-gauge-wrap { display: flex; align-items: center; gap: 10px; margin: 8px 0 2px; flex-wrap: wrap; }
.fw-gauge { flex: 1 1 140px; height: 4px; background: var(--cream-2); border-radius: var(--radius-sm); overflow: hidden; }
#fwDone { white-space: nowrap; }
.fw-gauge__fill { height: 100%; width: 0; background: var(--copper); transition: width var(--dur) var(--ease); }
.fw-gauge__fill.is-full { background: var(--ok); }
.fw-count { font-size: .82rem; color: var(--muted); white-space: nowrap; }
.fw-count b { color: var(--navy); }
/* 모범답안 펼침 + 자가확인 */
.fw-model { margin-top: 4px; }
.fw-model__label { font-size: .82rem; color: var(--copper); font-weight: 700; margin-bottom: 6px; display: block; }
.fw-model__text { background: var(--navy-bg); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 14px 16px; font-size: 1.05rem; line-height: 1.7; color: var(--ink); word-break: keep-all; }
.fw-self { margin-top: 16px; }
.fw-self__q { font-size: .9rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.fw-self__opts { display: flex; gap: 8px; flex-wrap: wrap; }
.fw-self__opt {
  flex: 1; min-width: 90px; border: 1px solid var(--border); background: var(--card); color: var(--ink-soft);
  border-radius: var(--radius-md); padding: 10px 12px; font-family: inherit; font-weight: 700; font-size: .92rem; cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.fw-self__opt:hover { border-color: var(--copper-line); }
.fw-self__opt.is-sel { border-color: var(--copper); background: var(--copper-bg); color: var(--navy); }

/* ===== 다음 키 안내 ===== */
.nextkey { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 30px; margin-bottom: 10px; font-size: .95rem; color: var(--muted); flex-wrap: wrap; }
.nextkey b { color: var(--ink-soft); }
.nextkey .nk-jamo { font-size: 1.45rem; font-weight: 700; color: var(--copper); }
.nextkey .nk-finger { background: var(--navy-bg); color: var(--navy); border: 1px solid var(--hair-2); border-radius: 999px; padding: 3px 10px; font-weight: 700; font-size: .85rem; }
.nextkey .nk-shift { background: var(--copper); color: #fff; border-radius: 999px; padding: 3px 10px; font-weight: 700; font-size: .82rem; }

/* ===== 발음 듣기 토글 ===== */
.prac-tools { display: flex; justify-content: flex-end; margin-bottom: 8px; min-height: 1px; }
.sound-toggle {
  border: 1px solid var(--border); background: var(--card); color: var(--muted); border-radius: 999px;
  padding: 7px 16px; font-size: .9rem; font-weight: 700; cursor: pointer; font-family: inherit;
  display: inline-flex; align-items: center; gap: 7px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.sound-toggle__ico { width: 16px; height: 16px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sound-toggle[aria-pressed="true"] { background: var(--copper-bg); color: var(--copper); border-color: var(--copper-line); }

/* ===== 가상 키보드 ===== */
.kbd-wrap { position: relative; }
.keyboard { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); padding: 10px; display: flex; flex-direction: column; gap: 6px; user-select: none; }
.kbd-row { display: flex; gap: 6px; justify-content: center; }
.key {
  flex: 1 1 0; min-width: 0; height: 50px; border-radius: var(--radius-md); border: 1px solid var(--border);
  background: var(--card); position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: inherit; cursor: pointer; padding: 2px;
  box-shadow: 0 1px 0 rgba(25,31,40,.08), inset 0 -1px 0 rgba(25,31,40,.04);
  transition: transform .05s var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.key__main { font-size: 1.25rem; font-weight: 700; color: var(--ink); }
.key__shift { position: absolute; top: 3px; right: 5px; font-size: .76rem; color: var(--muted); }
.key__lat { position: absolute; bottom: 3px; left: 5px; font-size: .58rem; color: var(--muted); font-family: var(--font-mono); }
.key.wide { flex: 1.7 1 0; }
.key.wider { flex: 2.2 1 0; }
.key.widest { flex: 3.2 1 0; }
.key.spacekey { flex: 6 1 0; }
.key.special { background: var(--cream-2); }
.key.special .key__main { font-size: .72rem; font-weight: 600; color: var(--muted); }

/* 손가락 색상존 */
.key.f-pinky { background: var(--f-pinky); }
.key.f-ring { background: var(--f-ring); }
.key.f-middle { background: var(--f-middle); }
.key.f-index { background: var(--f-index); }
.key.f-thumb { background: var(--f-thumb); }

/* 홈 포지션 표시 (검지 F/J) */
.key.homedot::after { content: ""; position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); width: 14px; height: 3px; border-radius: var(--radius-sm); background: var(--copper); }

/* 다음 키 강조 = 구리 (단일 명확 강조) */
.key.next { border-color: var(--copper); box-shadow: inset 0 0 0 1px var(--copper); background: var(--copper-bg); z-index: 2; }
.key.next .key__main { color: var(--copper); }
.key.next-shift { border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.key.pressed { transform: translateY(1px) scale(.98); }
.key.miss { animation: missflash var(--dur); }
@keyframes missflash { 0%,100% { box-shadow: inset 0 0 0 0 var(--bad); } 40% { box-shadow: inset 0 0 0 2px var(--bad); background: var(--bad-bg); } }

/* ===== 완료 ===== */
.prac-done { margin-top: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); box-shadow: var(--shadow-lift); padding: 22px; text-align: center; }
.prac-done__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; color: var(--navy); }
.prac-done__best { color: var(--copper); font-weight: 700; margin-bottom: 4px; display: inline-flex; align-items: center; gap: 6px; }
.prac-done__best-ico { width: 16px; height: 16px; stroke: var(--copper); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.prac-done__gate { color: var(--bad); font-weight: 600; font-size: .84rem; margin-bottom: 6px; }
.prac-done__delta { color: var(--ink-soft); font-size: .86rem; margin: 6px 0 2px; }
.prac-done__delta b { color: var(--ok); font-family: var(--font-mono); }
.prac-done__delta b.neg { color: var(--bad); }
.prac-done__stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 14px 0 16px; }
.prac-done__stat { background: var(--navy-bg); border: 1px solid var(--hair-2); border-radius: var(--radius-md); padding: 12px; }
.prac-done__stat b { display: block; font-size: 1.4rem; color: var(--navy); }
.prac-done__stat span { font-size: .74rem; color: var(--muted); }
/* 약한 키 */
.prac-done__weak { margin: 4px 0 16px; text-align: left; background: var(--copper-bg); border: 1px solid var(--copper-line); border-radius: var(--radius-md); padding: 12px 14px; }
.prac-done__weak-label { font-size: .82rem; font-weight: 700; color: var(--copper); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.prac-done__weak-ico { width: 15px; height: 15px; flex: none; }
.prac-done__weak-keys { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.weak-chip { font-size: 1.3rem; font-weight: 700; color: var(--navy); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; }
.weak-chip small { font-family: var(--font-mono); font-size: .58rem; color: var(--muted); position: relative; top: 8px; left: 2px; font-weight: 500; }
.prac-done__actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.prac-done__hint { margin-top: 10px; font-size: .8rem; color: var(--muted); }

/* ===== 언어 선택 picker ===== */
.lang-picker { position: fixed; inset: 0; z-index: 60; background: rgba(15,17,21,.4); display: flex; align-items: center; justify-content: center; padding: 20px; }
.lang-picker__card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px 20px; width: 100%; max-width: 340px; box-shadow: var(--shadow-lift); }
.lang-picker__title { font-size: 1.05rem; font-weight: 700; text-align: center; margin-bottom: 16px; color: var(--navy); }
.lang-picker__opts { display: flex; flex-direction: column; gap: 10px; }
.lang-opt {
  display: flex; align-items: center; gap: 12px; width: 100%; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 14px 16px; cursor: pointer; font-family: inherit; font-size: 1.05rem; font-weight: 700; color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-opt:hover { border-color: var(--copper-line); }
.lang-opt.is-active { border-color: var(--copper); background: var(--copper-bg); color: var(--navy); }
.lang-opt__flag { font-size: 1.4rem; line-height: 1; }

/* ===== 온보딩 ===== */
.onboard { position: fixed; inset: 0; z-index: 70; background: rgba(15,17,21,.45); display: flex; align-items: center; justify-content: center; padding: 20px; }
.onboard__card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 22px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lift); max-height: 88vh; overflow-y: auto; }
/* eyebrow 라벨이 한글일 수 있으므로 자간 없음(라틴/mono 라벨에만 자간 허용 규율) */
.onboard__eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-ui); font-size: .72rem; font-weight: 700; text-transform: none; color: var(--copper); margin-bottom: 10px; }
.onboard__eyebrow::before { content: ""; width: 2rem; height: 1px; background: var(--copper); display: inline-block; }
.onboard__title { font-size: 1.25rem; font-weight: 700; color: var(--navy); margin: 0 0 16px; }
.onboard__step { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; }
.onboard__num { flex: none; width: 26px; height: 26px; border-radius: 999px; background: var(--copper); color: #fff; font-family: var(--font-mono); font-size: .82rem; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; }
.onboard__txt { font-size: .92rem; color: var(--ink-soft); line-height: 1.55; }
.onboard__txt b { color: var(--navy); }
.onboard__demo { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; font-weight: 700; font-size: 1.15rem; color: var(--navy); background: var(--copper-bg); border: 1px solid var(--copper-line); border-radius: var(--radius-md); padding: 4px 12px; }
.onboard__demo .plus, .onboard__demo .eq { color: var(--copper); font-weight: 700; }
.onboard__hand { color: var(--copper); font-weight: 700; }
.onboard__btn { width: 100%; margin-top: 6px; }

/* ===== 토스트 ===== */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--navy); color: #fff; padding: 12px 18px; border-radius: var(--radius-md); font-size: .9rem; z-index: 50; box-shadow: var(--shadow-lift); }

/* ===== 반응형 ===== */
@media (max-width: 560px) {
  :root { font-size: 16px; }
  .mode-grid { grid-template-columns: 1fr; }
  .key { height: 46px; border-radius: 3px; }
  .key__main { font-size: 1.08rem; }
  .key__shift { font-size: .64rem; }
  .key__lat { display: none; }
  .tline-target { font-size: 1.2rem; line-height: 1.6; }
  .tline-echo { font-size: 1.2rem; line-height: 1.6; }
  .txt-lines { max-height: 13rem; }
  .fw-echo { font-size: 1.2rem; min-height: 5.6em; }
  .mini-strip__item { padding-right: 14px; margin-right: 14px; }
  .pos-queue { gap: 7px; }
  .pos-cell { width: 34px; height: 48px; font-size: 1.35rem; }
  .pos-cell.is-current { width: 74px; height: 74px; font-size: 2.7rem; }
}
@media (max-width: 380px) {
  .keyboard { padding: 6px; gap: 4px; }
  .kbd-row { gap: 4px; }
  .key { height: 40px; border-radius: 3px; }
  .key__main { font-size: 1rem; }
  .pos-queue { gap: 5px; }
  .pos-cell { width: 30px; }
  .pos-cell.is-current { width: 66px; height: 66px; font-size: 2.4rem; }
}

/* 장문 모드 뷰포트 핏(1440x900 스페이스바까지 노출) — 세로 여백 축소 */
@media (min-width: 561px) and (max-height: 940px) {
  .view.is-long .stat-bar { margin-bottom: 6px; }
  .view.is-long .progress-bar { margin: 6px 0 8px; }
  .view.is-long .prac-meta { margin-bottom: 8px; }
  .view.is-long .target-box { padding: 12px 16px; margin-bottom: 8px; }
  .view.is-long .txt-lines { max-height: 9.2rem; }
  .view.is-long .tline-target { font-size: 1.2rem; line-height: 1.5; }
  .view.is-long .tline-echo { font-size: 1.2rem; line-height: 1.5; }
  .view.is-long .nextkey { margin-bottom: 6px; min-height: 26px; }
  .view.is-long .keyboard { padding: 8px; gap: 5px; }
  .view.is-long .key { height: 44px; }
}