/* ===== 리드패스트 디자인 시스템 =====
   컬러 문법: 브랜드(Molecular Precision)의 크림 서페이스·구리 정밀 액센트를 차용하되,
   장시간 읽기 화면의 주 액센트는 앱 고유의 딥틸을 유지한다(다크모드 포함). */
:root {
  --bg:           #F8F6F3;   /* brand cream */
  --bg-elev:      #FCFBF9;   /* brand card */
  --surface:      #ffffff;
  --surface-2:    #F0EDE8;
  --ink:          #20262e;
  --ink-soft:     #515b66;
  --ink-faint:    #6b7480;   /* AA 대비 확보 (구 #8b95a1) */
  --line:         #e2ddd1;
  --line-strong:  #cfc8b8;
  --accent:       #2f6f6a;
  --accent-ink:   #1d4744;
  --accent-soft:  #d9e8e6;
  --on-accent:    #ffffff;
  --warn:         #9a4d12;
  --warn-soft:    #f6e6d6;
  --good:         #2b7148;
  --good-soft:    #dcefe1;
  --bad:          #b23a3a;
  --bad-soft:     #f7dede;
  --gold:         #8a4f20;
  --gold-bg:      rgba(138,79,32,.09);
  --gold-line:    rgba(138,79,32,.38);
  --reading-serif: "Iowan Old Style", "Apple Garamond", Georgia, "Noto Serif KR", "Nanum Myeongjo", serif;
  --reading-zh:    "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --ui: "Pretendard Variable", "Pretendard", -apple-system, "Segoe UI", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", Consolas, "SF Mono", monospace;
  /* 모서리: 브랜드의 정밀한 인상을 살려 카드 8px, 소형 4px로 쓴다. */
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(31,41,51,.06), 0 6px 22px rgba(31,41,51,.07);
  --shadow-lg: 0 10px 40px rgba(31,41,51,.16);
  --maxw: 880px;
  --tap-size: 44px;
  --mobile-nav-height: calc(44px + 1.5rem);
  --focus-ring: #8a4f20;
  --reading-font-size: 1.24rem;
  --reading-zh-font-size: 1.42rem;
  --reading-line-height: 1.75;
  --reading-zh-line-height: 2;
  --reading-width: 640px;
  --motion-fast: 120ms;
  --motion-normal: 250ms;
  /* The hero remains deep teal in both themes so the main action stays easy to find. */
  --hero-from: #2f6f6a; --hero-to: #173f3c; --hero-ink: #ffffff;
  --hero-cta-bg: #ffffff; --hero-cta-ink: #1d4744;
}
[data-theme="dark"] {
  --bg:          #14181d;
  --bg-elev:     #1b2026;
  --surface:     #20262e;
  --surface-2:   #2a323c;
  --ink:         #e9ecef;
  --ink-soft:    #aeb6c0;
  --ink-faint:   #9aa4b0;   /* 작은 완료 텍스트가 흐려지지 않도록 대비를 높임 */
  --line:        #313a45;
  --line-strong: #414c59;
  --accent:      #5fb4ab;
  --accent-ink:  #b9e3df;
  --accent-soft: #213733;
  --on-accent:   #07211f;
  --warn:        #e0954f;
  --warn-soft:   #3a2c1c;
  --good:        #6cc98a;
  --good-soft:   #1e3526;
  --bad:         #e07a7a;
  --bad-soft:    #3a2222;
  --gold:        #e0aa75;
  --gold-bg:     rgba(214,155,98,.14);
  --gold-line:   rgba(214,155,98,.4);
  --focus-ring:  #f0bd88;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 22px rgba(0,0,0,.35);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.5);
  --hero-from: #205250; --hero-to: #0f2c2a; --hero-ink: #eafdf9;
  --hero-cta-bg: #5fb4ab; --hero-cta-ink: #06231f;
}

* { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom)); }
html[data-theme="dark"] { color-scheme: dark; }
html, body { margin: 0; padding: 0; min-width: 0; }
body {
  font-family: var(--ui);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
}
@media (min-width: 900px) { html { scroll-padding-bottom: 0; } body { padding-bottom: 0; padding-top: 0; } }
button, input, textarea, select { font: inherit; }
button, [role="button"] { touch-action: manipulation; }

.skip-link { position: fixed; inset-inline-start: -999px; top: 0; display: inline-flex; align-items: center; min-height: var(--tap-size); background: var(--accent); color: var(--on-accent); padding: 8px 14px; z-index: 100; border-radius: 0 0 8px 0; }
.skip-link:focus { inset-inline-start: 0; }

/* ---- App bar ---- */
.appbar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
  background: var(--bg-elev); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 30;
}
.appbar__brand { display: flex; align-items: center; gap: 8px; min-width: var(--tap-size); min-height: var(--tap-size); cursor: pointer; border: 0; background: transparent; color: inherit; font-family: inherit; border-radius: var(--radius-sm); padding: 4px; }
.appbar__brand:hover .appbar__title { color: var(--accent-ink); }
.appbar__brand:active { transform: translateY(1px); }
.appbar__logo { color: var(--gold); display: inline-flex; align-items: center; }
.appbar__logo svg { width: 21px; height: 21px; display: block; }
.appbar__title { font-weight: 800; letter-spacing: -.01em; font-size: 1.12rem; white-space: nowrap; }
.appbar__sub { color: var(--ink-faint); font-size: .76rem; white-space: nowrap; align-self: baseline; }
@media (max-width: 560px) { .appbar__sub { display: none; } }
.appbar__controls { display: flex; align-items: center; gap: 8px; flex: none; }
body.recovery-mode .appbar { justify-content: flex-start; }
body.recovery-mode .appbar__controls,
body.recovery-mode .tabbar { display: none !important; }
body.recovery-mode { padding-bottom: 0; }
body.drill-mode { padding-bottom: 0; }
body.drill-mode .tabbar { display: flex; }
.recovery-panel { max-width: 760px; margin: 32px auto 0; }
@media (max-width: 760px) {
  .appbar { gap: 6px; padding-left: 10px; padding-right: 10px; flex-wrap: wrap; }
  .appbar__controls { gap: 5px; }
  .appbar__title, .appbar__sub { display: none; }
  .seg__btn { padding: 6px 8px; font-size: .74rem; min-width: var(--tap-size); }
}
@media (max-width: 560px) {
  .appbar { justify-content: center; }
  .appbar__brand { display: none; }
  .appbar__controls { width: 100%; min-width: 0; max-width: 100%; margin: 0; justify-content: center; }
  .appbar__controls .seg__label-full { display: none; }
  .appbar__controls .seg__label-short { display: inline; }
}

.seg { display: inline-flex; background: var(--surface-2); border-radius: 999px; padding: 3px; border: 1px solid var(--line); }
.seg__btn { border: 0; min-height: var(--tap-size); background: transparent; color: var(--ink-soft); font-family: inherit; font-size: .8rem; font-weight: 700; padding: 6px 13px; border-radius: 999px; cursor: pointer; }
.seg__btn.is-active, .seg__btn[aria-pressed="true"] { background: var(--surface); color: var(--accent-ink); box-shadow: var(--shadow); }
.seg__btn--dim { opacity: .55; }
.seg__label-short { display: none; }

.iconbtn { width: var(--tap-size); height: var(--tap-size); min-width: var(--tap-size); min-height: var(--tap-size); border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); font-size: 1.05rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.iconbtn--lang { width: auto; padding-inline: 9px; font-size: .76rem; font-weight: 800; }
.iconbtn svg { width: 18px; height: 18px; }
.iconbtn .icon svg { width: 18px; height: 18px; }
.iconbtn:hover { color: var(--ink); border-color: var(--line-strong); }
#themeToggle:hover { color: var(--gold); border-color: var(--gold-line); }

/* ---- View ---- */
.view { max-width: var(--maxw); margin: 0 auto; padding: 20px max(16px, env(safe-area-inset-right)) 40px max(16px, env(safe-area-inset-left)); outline: none; }
.view.view--library { max-width: 1720px; padding-inline: clamp(24px, 4vw, 72px); }
.view:focus-visible { outline: none; }

/* visible keyboard focus ring (WCAG 2.4.7) */
:where(.appbar__brand, .btn, .tile, .opt, .seg__btn, .iconbtn, .tab, .toc a, details summary, .seggap, .levelcard, .level-pill, .chip--btn, .due-badge, .step, .cycle-step, .plan-block, input, textarea, select):focus-visible {
  outline: 3px solid var(--focus-ring); outline-offset: 3px;
}

/* ---- Tab bar ---- */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  display: flex; min-height: var(--mobile-nav-height); background: var(--bg-elev); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.tab { flex: 1; min-width: 0; min-height: var(--tap-size); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 8px 2px 7px; border: 0; background: transparent; color: var(--ink-faint); font-family: inherit; cursor: pointer; }
.tab__ico { font-size: 1.12rem; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.tab__ico svg { width: 23px; height: 23px; display: block; }
.tab__lbl { max-width: 100%; font-size: .68rem; font-weight: 700; line-height: 1.15; text-align: center; white-space: normal; overflow-wrap: break-word; }
.passage-launch { width: 100%; min-height: var(--tap-size); padding: 13px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); font: inherit; font-weight: 800; text-align: left; cursor: pointer; }
.passage-launch:hover { border-color: var(--accent); background: var(--accent-soft); }
.tab.is-active, .tab[aria-current="page"] { color: var(--accent); }
@media (min-width: 900px) {
  /* nav lives INSIDE the header bar, centered between brand and controls */
  .tabbar { position: static; flex: 1; justify-content: center; gap: 4px; background: transparent; border: 0; padding: 0; margin: 0; max-width: none; }
  .tab { flex: 0 0 auto; flex-direction: row; gap: 7px; padding: 8px 13px; border-radius: var(--radius-sm); }
  .tab:hover { color: var(--ink); }
  .tab.is-active, .tab[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
  .tab__lbl { font-size: .9rem; }
}
/* small desktops: drop the tagline so brand + nav + controls fit on one row */
@media (min-width: 760px) and (max-width: 980px) { .appbar__sub { display: none; } }

/* ---- Cards & layout ---- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card + .card { margin-top: 14px; }
/* B7 온보딩 위계: 추천 경로(수준 측정) 카드를 구리 상단선 + 옅은 wash로 시각 구분 */
.card--recommend { border-color: var(--gold-line); background: var(--gold-bg); border-top: 2px solid var(--gold); border-radius: 0 0 var(--radius) var(--radius); }
.grid { display: grid; gap: 14px; }
@media (min-width: 620px) { .grid--2 { grid-template-columns: 1fr 1fr; } }

.h1 { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; margin: 2px 0 4px; }
.h2 { font-size: 1.12rem; font-weight: 800; margin: 0 0 10px; letter-spacing: -.01em; }
.lead { color: var(--ink-soft); margin: 0 0 18px; }
/* eyebrow / track-label: 한글에는 자간 금지 (B2). 라틴/숫자 전용 라벨만 --latin 변형으로 uppercase+자간. */
.eyebrow { font-family: var(--ui); font-size: .75rem; font-weight: 700; letter-spacing: 0; color: var(--gold); margin: 0 0 6px; }
.eyebrow--latin { font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.muted { color: var(--ink-faint); }
.small { font-size: .82rem; }
.plainlink { color: var(--accent-ink); font-weight: 700; text-decoration: none; }
.plainlink:hover { text-decoration: underline; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: var(--tap-size); font-family: inherit; font-weight: 700; font-size: .95rem; border-radius: var(--radius-sm); border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); padding: 11px 18px; cursor: pointer; transition: transform var(--motion-fast) ease; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn--primary:hover { filter: brightness(1.06); }
.btn--ghost { background: transparent; }
.btn--block { width: 100%; }
.btn--lg { padding: 14px 22px; font-size: 1.02rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn[aria-pressed="true"], .btn-toggle[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.btnrow { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---- Badges ---- */
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 800; padding: 3px 9px; border-radius: 999px; border: 1px solid transparent; }
.badge--strong { background: var(--good-soft); color: var(--good); }
.badge--moderate { background: var(--accent-soft); color: var(--accent-ink); }
.badge--weak { background: var(--warn-soft); color: var(--warn); }
.badge--contested { background: var(--warn-soft); color: var(--warn); }
.badge--debunked { background: var(--bad-soft); color: var(--bad); }
.badge--neutral { background: var(--surface-2); color: var(--ink-soft); border-color: var(--line); }

/* ---- Unified icon system ---- */
.icon { display: inline-flex; align-items: center; justify-content: center; flex: none; color: inherit; }
.icon svg { width: var(--isz, 24px); height: var(--isz, 24px); display: block; }
/* rounded "category chip" that holds an icon (Elevate/Peak style) */
.iconchip { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 40px; height: 40px; border-radius: var(--radius); background: var(--accent-soft); color: var(--accent-ink); }
.iconchip .icon svg { width: 22px; height: 22px; }
.iconchip--lg { width: 54px; height: 54px; border-radius: var(--radius); }
.iconchip--lg .icon svg { width: 28px; height: 28px; }
.iconchip--on { background: rgba(255,255,255,.16); color: var(--hero-ink); }

/* ---- Drill catalog tiles ---- */
.tiles { display: grid; gap: 12px; }
@media (min-width: 620px) { .tiles { grid-template-columns: 1fr 1fr; } }
.tile { min-height: var(--tap-size); text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 15px; cursor: pointer; display: flex; flex-direction: column; gap: 7px; box-shadow: var(--shadow); transition: border-color var(--motion-fast) ease, transform var(--motion-fast) ease; position: relative; overflow: hidden; }
.tile::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: transparent; transition: background .12s ease; }
.tile:hover { border-color: var(--accent); }
.tile:hover::before { background: var(--gold); }
.tile:active { transform: translateY(1px); }
.tile:disabled { opacity: .55; cursor: not-allowed; }
.tile__top { display: flex; align-items: center; gap: 11px; }
.tile__ico { font-size: 1.3rem; }
.tile__name { font-weight: 800; letter-spacing: -.01em; }
.tile__goal { color: var(--ink-soft); font-size: .86rem; line-height: 1.5; }
/* track-label: 한글 자간 금지 (B2) */
.track-label { font-family: var(--ui); font-size: .72rem; font-weight: 700; letter-spacing: 0; color: var(--ink-faint); margin: 22px 0 8px; display: flex; align-items: center; gap: 7px; }

/* ---- Today screen: status strip ---- */
.today-status { display: flex; align-items: center; gap: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); flex-wrap: wrap; }
.ring { flex: none; }
.ring__track { fill: none; stroke: var(--surface-2); }
.ring__val { fill: none; stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .5s ease; }
.ring__txt { font-weight: 800; fill: var(--ink); }
.status-metrics { display: flex; gap: 20px; flex-wrap: wrap; flex: 1; }
.metric { min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.metric__num { max-width: 100%; font-family: var(--mono); font-size: 1.22rem; font-weight: 700; letter-spacing: -.02em; display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; overflow-wrap: break-word; }
.metric__num .icon { color: var(--gold); }
.metric__lbl { font-size: .72rem; color: var(--ink-faint); font-weight: 600; }
.level-pill { min-height: var(--tap-size); display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-strong); background: var(--surface-2); color: var(--ink-soft); font-family: inherit; font-size: .78rem; font-weight: 800; padding: 6px 12px; border-radius: 999px; cursor: pointer; flex: none; }
.level-pill:hover { color: var(--accent-ink); border-color: var(--accent); }
.level-pill .icon { color: var(--gold); }

/* 오늘 복습할 카드 배지 */
.due-badge { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; margin-top: 12px; padding: 11px 14px; border: 1px solid var(--gold-line); background: var(--gold-bg); border-radius: var(--radius); color: var(--ink); font-family: inherit; font-size: .9rem; cursor: pointer; transition: border-color .12s ease, transform .04s ease; }
.due-badge:hover { border-color: var(--gold); }
.due-badge:active { transform: translateY(1px); }
.due-badge .icon { color: var(--gold); flex: none; }
.due-badge__txt { flex: 1; min-width: 0; }
.due-badge__txt b { font-family: var(--mono); color: var(--gold); font-weight: 800; }
.due-badge__chev { color: var(--ink-faint); }

/* ---- Today screen: hero (the single dominant CTA) ---- */
.hero { background: linear-gradient(150deg, var(--hero-from) 0%, var(--hero-to) 100%); color: var(--hero-ink); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.hero__eyebrow { font-family: var(--ui); font-size: .72rem; font-weight: 700; letter-spacing: 0; opacity: .85; margin-bottom: 12px; display: flex; align-items: center; gap: 7px; }
.hero__row { display: flex; align-items: center; gap: 14px; }
.hero__body { flex: 1; min-width: 0; }
/* 히어로 이름은 한 곳에서만 크게 표시한다. */
.hero__name { font-family: var(--ui); font-size: 1.42rem; font-weight: 800; letter-spacing: 0; line-height: 1.25; }
.hero__name:lang(zh) { font-family: var(--reading-zh); }
.hero__goal { font-size: .9rem; opacity: .9; margin-top: 4px; line-height: 1.45; }
.hero .muted { color: var(--hero-ink); opacity: .9; }
.hero__cta { width: 100%; min-height: var(--tap-size); margin-top: 16px; background: var(--hero-cta-bg); color: var(--hero-cta-ink); border: 0; border-radius: var(--radius); padding: 14px; font-family: inherit; font-weight: 800; font-size: 1.05rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 9px; box-shadow: 0 2px 10px rgba(0,0,0,.12); transition: transform var(--motion-fast) ease, filter var(--motion-fast) ease; }
.hero__cta:hover { filter: brightness(.97); }
.hero__cta:active { transform: translateY(1px); }
.hero__cta .icon svg { width: 20px; height: 20px; }

/* ---- Today screen: session steps ---- */
.session { display: grid; gap: 9px; }
.step { display: flex; align-items: center; gap: 12px; width: 100%; min-height: var(--tap-size); text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; cursor: pointer; font-family: inherit; box-shadow: var(--shadow); transition: border-color var(--motion-fast) ease; }
.step:hover { border-color: var(--accent); }
.step__num { flex: none; width: 26px; height: 26px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: .82rem; background: var(--surface-2); color: var(--ink-faint); border: 1px solid var(--line); }
.step__body { flex: 1; min-width: 0; }
.step__name { font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.step__meta { font-size: .78rem; color: var(--ink-faint); }
/* B1 다크 대비 결함 수정: done 스텝은 line-through 제거 → 체크(초록) + 읽히는 색.
   유령화 원인(line-through + faint) 제거하고 이름은 --ink-soft로 또렷하게, 완료 신호는 체크아이콘·번호칩 색으로. */
.step--done { opacity: 1; }
.step--done .step__num { background: var(--good-soft); color: var(--good); border-color: transparent; }
.step--done .step__name { color: var(--ink-soft); text-decoration: none; }
.step--done .step__meta { color: var(--good); font-weight: 700; }
.step--active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.step--active .step__num { background: var(--accent); color: var(--on-accent); border-color: transparent; }
.step__chev { color: var(--ink-faint); }
/* 약점 보강 라벨 */
.step__tag { display: inline-flex; align-items: center; gap: 4px; font-size: .68rem; font-weight: 800; padding: 2px 8px; border-radius: 999px; background: var(--gold-bg); color: var(--gold); border: 1px solid var(--gold-line); white-space: nowrap; }
.step__tag .icon { color: var(--gold); }

.session--preview { opacity: .7; }
.session--preview .step { cursor: pointer; }

/* quiet link rows */
.linkrow { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: center; margin-top: 18px; }
.linkrow a { min-width: var(--tap-size); min-height: var(--tap-size); display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding-block: 6px; font-size: .86rem; font-weight: 700; color: var(--accent-ink); text-decoration: none; }
.linkrow a:hover { text-decoration: underline; }
.linkrow .icon svg { width: 16px; height: 16px; }

/* ---- Onboarding: level cards ---- */
.levelgrid { display: grid; gap: 10px; }
@media (min-width: 620px) { .levelgrid { grid-template-columns: 1fr 1fr; } }
.levelcard { text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 15px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; font-family: inherit; box-shadow: var(--shadow); transition: border-color .12s ease, transform .04s ease; position: relative; overflow: hidden; }
.levelcard::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: transparent; transition: background .12s ease; }
.levelcard:hover { border-color: var(--accent); }
.levelcard:hover::before { background: var(--gold); }
.levelcard:active { transform: translateY(1px); }
.levelcard__top { display: flex; align-items: baseline; gap: 8px; }
.levelcard__name { font-weight: 800; font-size: 1.02rem; letter-spacing: -.01em; }
/* levelcard__sub는 숫자와 라틴 문자 중심이며 자간을 벌리지 않는다. */
.levelcard__sub { font-family: var(--mono); font-size: .74rem; font-weight: 800; color: var(--gold); letter-spacing: 0; }
.levelcard__desc { color: var(--ink-soft); font-size: .85rem; line-height: 1.5; }

/* ---- Progress: supporting skill bars ---- */
.skill-list { display: grid; gap: 9px; }
.skill { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; }
.skill__name { font-weight: 700; font-size: .9rem; }
.skill__tier { font-size: .76rem; font-weight: 800; color: var(--accent-ink); }
.skill__bar { grid-column: 1 / -1; height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.skill__fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .5s ease; }
.tier-pill { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; font-weight: 800; padding: 4px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); }
.tier-pill .icon { color: var(--gold); }

/* A4 성장 추이: 주간 눈금 + 지난주 대비 한 줄 + 정체 배지 */
.week-ticks { display: flex; justify-content: space-between; gap: 4px; margin-top: 4px; padding: 0 2px; overflow-x: auto; }
.week-tick { font-family: var(--mono); font-size: .66rem; font-weight: 700; color: var(--ink-faint); white-space: nowrap; }
.trend-line { display: flex; align-items: center; gap: 7px; margin-top: 10px; font-size: .88rem; color: var(--ink-soft); }
.trend-line b { font-family: var(--mono); font-weight: 800; }
.trend-line--up { color: var(--good); }
.trend-line--up b { color: var(--good); }
.trend-line--down { color: var(--warn); }
.trend-line--down b { color: var(--warn); }
.trend-line .icon { flex: none; }
.stall-badge { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 800; padding: 4px 10px; border-radius: 999px; background: var(--warn-soft); color: var(--warn); border: 1px solid transparent; white-space: nowrap; }
.stall-badge .icon { color: var(--warn); }

/* ---- Reading surface ---- */
.reader { font-family: var(--reading-serif); font-size: var(--reading-font-size); line-height: var(--reading-line-height); color: var(--ink); letter-spacing: .003em; }
.reader[data-lang="zh"] { font-family: var(--reading-zh); font-size: var(--reading-zh-font-size); line-height: var(--reading-zh-line-height); letter-spacing: .02em; }
.reader p { margin: 0 0 1em; }
.reader-wrap { width: 100%; max-width: var(--reading-width); margin: 0 auto; }

/* pacer highlight */
.pacer-seg { background: linear-gradient(transparent 62%, var(--accent-soft) 62%); border-radius: 2px; transition: background .08s linear; }
.pacer-active { background: var(--accent); color: var(--on-accent); border-radius: 3px; }

/* chunk drill: phrase-cued scaffolds */
.phrase--strong.phrase--alt { background: var(--accent-soft); border-radius: 4px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.phrase--strong { padding: 1px 2px; }
.phrase--soft { padding: 1px 2px; }
.phrase--soft.phrase--alt { background: linear-gradient(transparent 72%, var(--accent-soft) 72%); border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }

/* ---- 도장깨기 정복 경로 ---- */
.quest-head { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.quest-head__row { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.quest-head__score { text-align: right; white-space: nowrap; }
/* B5 세리프 디스플레이(절제): 정복 경로 큰 점수 1곳 */
.quest-head__num { font-family: var(--ui); font-size: 2rem; font-weight: 800; color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.quest-head__den { font-size: .82rem; color: var(--ink-faint); font-weight: 700; margin-left: 3px; }
.quest-path { display: grid; gap: 0; }
.quest { display: flex; gap: 12px; position: relative; padding: 7px 0; }
.quest::before { content: ""; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px; background: var(--line); }
.quest:first-child::before { top: 14px; }
.quest:last-child::before { bottom: auto; height: 20px; }
.quest__badge { flex: none; width: 29px; height: 29px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-family: var(--mono); font-weight: 700; font-size: .85rem; margin-top: 12px; position: relative; z-index: 1; background: var(--surface-2); color: var(--ink-faint); border: 2px solid var(--line-strong); }
.quest--clear .quest__badge { background: var(--good-soft); color: var(--good); border-color: var(--good); }
.quest--active .quest__badge { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.quest__body { flex: 1; min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 15px; box-shadow: var(--shadow); margin: 4px 0; }
.quest--active .quest__body { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.quest--locked .quest__body { opacity: .62; background: var(--bg-elev); box-shadow: none; }
.quest--final .quest__body { border-left: 3px solid var(--gold); }
.quest__top { display: flex; align-items: center; gap: 11px; }
.quest__chip { width: 34px; height: 34px; border-radius: var(--radius-sm); }
.quest__chip .icon svg { width: 19px; height: 19px; }
.quest--locked .quest__chip { background: var(--surface-2); color: var(--ink-faint); }
.quest__names { flex: 1; min-width: 0; }
.quest__name { font-weight: 800; letter-spacing: -.01em; }
.quest__state { font-size: .76rem; font-weight: 700; color: var(--ink-faint); }
.quest--active .quest__state { color: var(--accent-ink); }
.quest--clear .quest__state { color: var(--good); }
.quest__gate { font-size: .82rem; color: var(--ink-soft); margin-top: 8px; }
.quest__prog { display: flex; align-items: center; gap: 10px; margin-top: 9px; }
.quest__prog .bar { flex: 1; }
.quest__detail { font-family: var(--mono); font-size: .74rem; color: var(--ink-faint); white-space: nowrap; }
.quest__detail--clear { margin-top: 7px; color: var(--good); white-space: normal; }

/* conquer: tap-to-mark unknown words */
.tok { cursor: pointer; border-radius: 3px; transition: background .08s ease; }
.tok:hover { background: var(--surface-2); }
.tok.unk { background: var(--warn-soft); box-shadow: inset 0 -2px 0 var(--warn); }

/* ---- Stat blocks ---- */
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat__num { font-family: var(--mono); font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }
.stat__lbl { font-size: .76rem; color: var(--ink-faint); font-weight: 600; }
.stat__sub { font-size: .72rem; color: var(--ink-faint); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr)); gap: 14px; }

/* ---- Options (MCQ) ---- */
.opt { display: block; width: 100%; min-height: var(--tap-size); text-align: left; padding: 13px 15px; border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); font-family: inherit; font-size: .98rem; cursor: pointer; margin-bottom: 10px; }
.opt:hover { border-color: var(--accent); }
.opt.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.opt.is-correct { border-color: var(--good); background: var(--good-soft); }
.opt.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt__k { font-family: var(--mono); font-weight: 700; color: var(--ink-faint); margin-right: 8px; }

/* ---- Timer / hud ---- */
.hud { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.hud__timer { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.1rem; }
.chip { font-size: .76rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line); }
.chip--btn { min-height: var(--tap-size); cursor: pointer; font-family: inherit; }
.chip--btn:hover { color: var(--accent-ink); border-color: var(--accent); }

/* progress bar */
.bar { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.bar__fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .4s ease; }

/* ---- Flashcard ---- */
.flash { min-height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 12px; padding: 24px; }
.flash__front { font-size: 2.4rem; font-weight: 700; }
.flash__zh { font-family: var(--reading-zh); font-size: 3.4rem; }
.flash__pinyin { color: var(--accent); font-size: 1.3rem; }
.flash__gloss { font-size: 1.3rem; color: var(--ink-soft); }
.flash__ex { color: var(--ink-faint); font-size: .95rem; font-style: italic; }

/* lexical decision big stim */
.stim { font-size: 2.6rem; font-weight: 700; text-align: center; padding: 36px 0; letter-spacing: .02em; min-height: 120px; display: flex; align-items: center; justify-content: center; }
.stim--zh { font-family: var(--reading-zh); font-size: 4rem; }

/* segmentation */
.segline { font-family: var(--reading-zh); font-size: 2rem; line-height: 2.4; text-align: center; user-select: none; }
.segchar { padding: 2px 1px; }
.seggap { display: inline-block; width: 18px; height: 1.6em; vertical-align: middle; cursor: pointer; position: relative; border: 0; padding: 0; font: inherit; background: transparent; border-radius: 4px; }
.seggap::before { content: ""; position: absolute; width: var(--tap-size); height: var(--tap-size); left: 50%; top: 50%; transform: translate(-50%, -50%); }
.seggap::after { content: ""; position: absolute; left: 50%; top: 10%; bottom: 10%; width: 3px; transform: translateX(-50%); background: transparent; border-radius: 2px; }
.seggap.is-cut { background: var(--accent-soft); }
.seggap.is-cut::after { background: var(--accent); }
.seggap:hover::after { background: var(--line-strong); }
.seggap.is-cut:hover::after { background: var(--accent); }

/* callouts */
.note { border-inline-start: 3px solid var(--line-strong); padding: 10px 14px; background: var(--surface-2); border-radius: var(--radius-sm); color: var(--ink-soft); font-size: .9rem; }
.note--good { border-color: var(--good); background: var(--good-soft); color: var(--ink); }
.note--warn { border-color: var(--warn); background: var(--warn-soft); color: var(--ink); }
.note--myth { border-color: var(--bad); background: var(--bad-soft); }

details.why { margin-top: 12px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); padding: 0 14px; }
details.why summary { cursor: pointer; min-height: var(--tap-size); display: flex; align-items: center; font-weight: 700; color: var(--accent-ink); padding: 11px 0; font-size: .9rem; list-style: none; }
details.why summary::before { content: "왜 효과가 있나  ›"; }
details.why[open] summary::before { content: "왜 효과가 있나  ﹀"; }
details.why > div { padding: 0 0 14px; color: var(--ink-soft); font-size: .9rem; }

/* theory */
.theory-model { display: grid; gap: 10px; }
.fixation-demo { font-family: var(--reading-serif); font-size: 1.3rem; line-height: 2.1; }
.fx { border-bottom: 2px solid var(--accent); }
.span-now { background: var(--accent-soft); border-radius: 3px; padding: 1px 2px; }
.span-blur { color: var(--ink-faint); filter: blur(1.4px); }

.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.toc a { min-height: var(--tap-size); display: inline-flex; align-items: center; font-size: .8rem; font-weight: 700; padding: 7px 11px; border-radius: 999px; background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line); text-decoration: none; }
.toc a:hover { color: var(--accent-ink); border-color: var(--accent); }

.srcs { font-size: .8rem; color: var(--ink-faint); }
.srcs li { margin-bottom: 4px; }

/* sparkline */
.spark { width: 100%; height: 60px; display: block; }
.spark path { fill: none; stroke: var(--accent); stroke-width: 2; }
.spark .area { fill: var(--accent-soft); stroke: none; opacity: .6; }

/* ---- Four-step program and today's three blocks ---- */
.daily-plan, .today-plan, .plan-list { display: grid; gap: 10px; }
.plan-block, .today-block {
  width: 100%; min-height: var(--tap-size); display: grid;
  grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 12px;
  padding: 14px; color: var(--ink); text-align: left; font-family: inherit;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
button.plan-block, button.today-block { cursor: pointer; }
button.plan-block:hover, button.today-block:hover { border-color: var(--accent); }
.plan-block__index, .today-block__index {
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink);
  font-family: var(--mono); font-size: .8rem; font-weight: 800;
  margin-top: 1px;
}
.plan-block__body, .today-block__body { min-width: 0; }
.plan-block__head, .today-block__head { min-width: 0; display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 10px; }
.plan-block__title, .today-block__title { min-width: 0; flex: 1 1 14rem; margin: 0; font-size: .98rem; font-weight: 800; line-height: 1.35; }
.plan-block__reason, .today-block__reason { margin: 3px 0 10px; color: var(--ink-soft); font-size: .82rem; line-height: 1.45; }
.plan-block__time, .today-block__time { white-space: nowrap; color: var(--ink-faint); font-family: var(--mono); font-size: .76rem; font-weight: 700; }
.plan-block[data-status="done"], .today-block[data-status="done"] { box-shadow: none; }
.plan-block[data-status="done"] .plan-block__index, .today-block[data-status="done"] .today-block__index { background: var(--good-soft); color: var(--good); }

.training-cycle, .cycle-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 10.5rem), 1fr)); gap: 10px; }
.cycle-step {
  min-width: 0; min-height: var(--tap-size); padding: 14px; position: relative;
  background: var(--surface); color: var(--ink); text-align: left;
  border: 1px solid var(--line); border-radius: var(--radius); font-family: inherit;
}
button.cycle-step { cursor: pointer; }
button.cycle-step:hover { border-color: var(--accent); }
.cycle-step__num {
  width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; background: var(--surface-2); color: var(--ink-faint);
  font-family: var(--mono); font-size: .78rem; font-weight: 800;
}
.cycle-step__title { margin: 10px 0 0; font-size: .95rem; font-weight: 800; line-height: 1.35; }
.cycle-step__meta { margin: 4px 0 0; color: var(--ink-faint); font-size: .76rem; line-height: 1.4; }
.cycle-step.is-current, .cycle-step[data-state="current"] { border-color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }
.cycle-step.is-current .cycle-step__num, .cycle-step[data-state="current"] .cycle-step__num { background: var(--accent); color: var(--on-accent); }
.cycle-step.is-done .cycle-step__num, .cycle-step[data-state="done"] .cycle-step__num { background: var(--good-soft); color: var(--good); }

.drill-library { margin-top: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.drill-library > summary { min-height: var(--tap-size); display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; cursor: pointer; font-weight: 800; }
.drill-library > summary::marker { color: var(--accent); }
.drill-library__body { padding: 0 14px 14px; }

/* ---- Results and progress ---- */
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 12px; }
.result-metric {
  min-width: 0; display: flex; flex-direction: column; align-items: stretch;
  padding: 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
}
.result-metric--rate { border-top: 3px solid var(--accent); }
.result-metric--comprehension { border-top: 3px solid var(--gold); }
.result-metric__label { color: var(--ink-soft); font-size: .78rem; font-weight: 700; }
.result-metric__value { margin-top: 4px; font-family: var(--mono); font-size: clamp(1.55rem, 5vw, 2.25rem); font-weight: 800; line-height: 1.1; overflow-wrap: anywhere; }
.result-metric__note { margin-top: 6px; color: var(--ink-faint); font-size: .76rem; }
.question-breakdown, .breakdown-list { display: grid; gap: 10px; margin-top: 12px; }
.breakdown-row { display: grid; grid-template-columns: minmax(100px, .8fr) minmax(110px, 1.4fr) auto; align-items: center; gap: 10px; }
.breakdown-row__label { min-width: 0; font-size: .84rem; font-weight: 700; overflow-wrap: anywhere; }
.breakdown-row__track { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.breakdown-row__fill { height: 100%; border-radius: 999px; background: var(--accent); }
.breakdown-row__value { min-width: 8ch; color: var(--ink-soft); font-family: var(--mono); font-size: .78rem; text-align: right; white-space: nowrap; }
.next-recommendation, .recommendation-card { margin-top: 14px; padding: 14px; border: 1px solid var(--gold-line); border-radius: var(--radius); background: var(--gold-bg); }
.next-recommendation__label, .recommendation-card__label { color: var(--gold); font-size: .75rem; font-weight: 800; }
.next-recommendation__body, .recommendation-card__body { margin-top: 4px; color: var(--ink); }
.chart-card { min-width: 0; overflow: hidden; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 10px; color: var(--ink-soft); font-size: .78rem; }
.chart-legend__item { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend__swatch { width: 16px; height: 3px; border-radius: 999px; background: var(--accent); }

/* ---- Settings and storage feedback ---- */
.settings-grid { display: grid; gap: 14px; }
.setting-card { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.setting-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(150px, .8fr); align-items: center; gap: 14px; min-height: var(--tap-size); }
.setting-row + .setting-row { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.setting-row__label { font-weight: 800; }
.setting-row__help { margin-top: 3px; color: var(--ink-faint); font-size: .78rem; line-height: 1.45; }
.setting-row__control { min-width: 0; }
.setting-row__control output { display: block; margin-top: 4px; color: var(--accent-ink); font-family: var(--mono); font-size: .78rem; font-weight: 800; }
.setting-value { color: var(--accent-ink); font-family: var(--mono); font-size: .78rem; font-weight: 800; }
.choice-group { display: flex; flex-wrap: wrap; gap: 8px; }
.choice-group > button { min-height: var(--tap-size); }
.timer-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.timer-controls > button { min-width: var(--tap-size); min-height: var(--tap-size); }
.setting-card.timer-controls { display: block; }
[data-timer-visible="false"] .hud__timer { visibility: hidden; }
.privacy-card { border-color: var(--accent); background: var(--accent-soft); }
.storage-alert, [role="alert"].storage-error { margin-top: 12px; padding: 12px 14px; border: 1px solid var(--bad); border-radius: var(--radius); background: var(--bad-soft); color: var(--ink); }

/* ---- Theory page ---- */
.theory-section { scroll-margin-top: 96px; }
.card--principle { border-inline-start: 4px solid var(--accent); }
.principle-title { margin: 0 0 8px; font-size: 1.15rem; font-weight: 800; }
.principle-body { margin: 0; }
.explain-grid { display: grid; gap: 10px; }
.explain-grid--two, .explain-grid--three { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.explain-card { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-elev); }
.explain-card__title { margin: 0; font-size: .95rem; }
.explain-card__body { margin: 7px 0 0; color: var(--ink-soft); font-size: .88rem; }
.policy-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 10px; margin-bottom: 12px; }
.policy-card { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.policy-card--research { background: var(--accent-soft); }
.policy-card--product { background: var(--gold-bg); border-color: var(--gold-line); }
.policy-card__label { margin: 0 0 7px; color: var(--accent-ink); font-size: .78rem; }
.policy-card--product .policy-card__label { color: var(--gold); }
.policy-card p { margin: 0; font-size: .88rem; }
.claim-list { margin: 0; padding-inline-start: 1.3rem; }
.claim-list li + li { margin-top: 10px; }
.source-list { padding-inline-start: 1.4rem; }
.source-list li { padding-inline-start: 4px; }
.source-list li + li { margin-top: 10px; }
.source-list a { min-height: var(--tap-size); display: inline-flex; align-items: center; color: var(--accent-ink); font-weight: 700; overflow-wrap: anywhere; }
.source-list span { display: block; margin-top: 2px; color: var(--ink-faint); }

/* screen-reader-only text that remains available to assistive technology */
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

/* misc */
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.check-row { min-height: var(--tap-size); padding-block: 6px; }
.spread { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
.center { text-align: center; }
.library-passage { padding: 18px; }
.library-passage__title-ko { display: block; margin-top: 4px; color: var(--ink-faint); font-size: .92rem; font-weight: 600; }
.library-passage__layout { margin-top: 14px; }
.library-passage__layout--with-fixed { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .36fr); gap: 18px; align-items: start; }
.library-passage__pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.library-passage__pair > section { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.library-passage__heading { margin: 0 0 10px; font-size: .86rem; color: var(--ink-faint); }
.library-passage__text { white-space: pre-wrap; font-size: 1rem; line-height: 1.8; word-break: normal; overflow-wrap: break-word; }
.library-passage__text--ko { word-break: keep-all; }
.library-fixed { min-width: 0; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.library-fixed__heading { margin: 0 0 12px; font-size: 1rem; color: var(--ink); }
.library-fixed__item { display: grid; gap: 4px; padding: 11px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.library-fixed__type { color: var(--ink-faint); font-size: .75rem; font-weight: 700; letter-spacing: .02em; }
.library-fixed__item strong { color: var(--accent); }
.library-fixed__meaning { color: var(--ink-muted); font-size: .92rem; line-height: 1.45; }
.library-fixed__source { color: var(--ink-faint); font-size: .8rem; line-height: 1.4; }
.library-reading-marker { display: inline-block; width: 0; height: 1.7em; margin: 0; vertical-align: middle; border-inline-start: 4px solid var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent); }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
label.field, p.field { display: block; font-weight: 700; font-size: .85rem; margin-bottom: 6px; }
label.field > :is(textarea, input, select) { margin-top: 6px; font-weight: 400; }
textarea, input[type=text], input[type=number], select { width: 100%; min-height: var(--tap-size); font-family: inherit; font-size: max(1rem, 16px); padding: 11px 13px; border-radius: var(--radius-sm); border: 1.5px solid var(--line-strong); background: var(--surface); color: var(--ink); }
textarea { min-height: 160px; resize: vertical; line-height: 1.6; }
input[type=range] { width: 100%; min-height: var(--tap-size); margin: 0; accent-color: var(--accent); }
input[type=checkbox], input[type=radio] { width: 22px; height: 22px; accent-color: var(--accent); }

.fade-in { animation: fade var(--motion-normal) ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
[data-reduce-motion="true"] { scroll-behavior: auto; }
[data-reduce-motion="true"] *, [data-reduce-motion="true"] *::before, [data-reduce-motion="true"] *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }

.empty { text-align: center; color: var(--ink-faint); padding: 40px 20px; }
.kbd { font-family: var(--mono); background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; font-size: .8rem; }

@media (max-width: 560px) {
  .view { padding: 16px 12px 32px; }
  .card { padding: 14px; }
  .today-status { align-items: stretch; }
  .today-status .status-metrics { flex: 1 0 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr)); gap: 12px 16px; }
  .today-status .status-metrics .metric:first-child { grid-column: 1 / -1; }
  .today-status .status-metrics .metric:first-child .metric__num { font-family: var(--ui); font-size: 1rem; line-height: 1.35; letter-spacing: 0; overflow-wrap: anywhere; }
  .today-status .level-pill { width: 100%; min-height: var(--tap-size); justify-content: center; }
  .result-grid, .explain-grid--two, .explain-grid--three, .policy-grid, .library-passage__layout--with-fixed, .library-passage__pair { grid-template-columns: 1fr; }
  .setting-row { grid-template-columns: 1fr; gap: 8px; }
  .breakdown-row { grid-template-columns: minmax(0, 1fr) auto; }
  .breakdown-row__track { grid-column: 1 / -1; grid-row: 2; }
  .plan-block, .today-block { grid-template-columns: auto minmax(0, 1fr); }
}
@media (max-width: 390px) {
  .training-cycle, .cycle-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 360px) {
  .appbar { padding-left: 6px; padding-right: 6px; }
  .appbar__controls { gap: 4px; }
  .appbar__controls .seg__btn { padding-inline: 8px; }
}

/* Korean interface copy wraps at word boundaries; reading passages retain language-native rules. */
html[lang="ko"] body { word-break: keep-all; overflow-wrap: break-word; }
html[lang="ko"] .reader[data-lang="en"] { word-break: normal; overflow-wrap: normal; }
html[lang="ko"] .reader[data-lang="zh"],
html[lang="ko"] .segline { word-break: normal; line-break: strict; overflow-wrap: anywhere; }

[dir="rtl"] :where(.tile, .opt, .step, .plan-block, .today-block, .cycle-step, .levelcard) { text-align: right; }
[dir="rtl"] .tile::before, [dir="rtl"] .levelcard::before { left: auto; right: 0; }
[dir="rtl"] .breakdown-row__value { text-align: left; }
[dir="rtl"] .appbar__brand, [dir="rtl"] .hero__row, [dir="rtl"] .row { flex-direction: row-reverse; }

@media (forced-colors: active) {
  :where(.btn, .tile, .opt, .seg__btn, .iconbtn, .tab, .step, .cycle-step):focus-visible { outline: 3px solid Highlight; }
  .bar__fill, .breakdown-row__fill, .chart-legend__swatch { background: Highlight; }
  .cycle-step.is-current, .cycle-step[data-state="current"] { border: 2px solid Highlight; }
}