/* assets/learn.css — 퀴즈(quiz.html)·로드맵(roadmap.html) 리메이크 전용.
   색은 style.css의 :root 토큰(--bg, --card-bg, --text, --muted, --accent, --border …)만 쓴다.
   분야 칩(.field-chip)과 그룹 제목(.category-group-title)은 style.css의 허브 스타일을 그대로 재사용한다. */

.learn-empty-state[hidden] { display: none; }
.lq-muted { color: var(--muted); font-size: .9rem; margin: .4rem 0; }

/* ---- 분야 선택 ---- */
.lq-picker .category-group { margin: .9rem 0 .4rem; }
.lq-picker .category-group-title { margin-bottom: .4rem; font-size: 1rem; }
.lq-picker .field-chip { min-height: 36px; }

/* ---- 퀴즈 시작 화면 ---- */
.lq-step { margin: 1.2rem 0; }
.lq-step[hidden] { display: none; }
.lq-step-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 1.05rem; margin: 0 0 .5rem;
}
.lq-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: .8rem; font-weight: 700;
}

.lq-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.lq-mode {
  font: inherit; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; min-width: 0;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--card-bg); color: var(--text);
}
.lq-mode strong { font-size: .95rem; overflow-wrap: anywhere; }
.lq-mode span { font-size: .75rem; color: var(--muted); overflow-wrap: anywhere; }
.lq-mode:hover { border-color: var(--accent); }
.lq-mode[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }

.lq-count { display: flex; align-items: center; gap: 8px; margin: .9rem 0; flex-wrap: wrap; }
.lq-count-label { color: var(--muted); font-size: .9rem; }
.lq-seg {
  font: inherit; font-size: .9rem; cursor: pointer;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--card-bg); color: var(--text);
}
.lq-seg:hover { border-color: var(--accent); }
.lq-seg[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

.lq-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: .8rem 0; }
.quiz-box .lq-actions #start-btn { width: auto; margin: 0; }
.lq-retry-entry, .lq-btn {
  font: inherit; font-size: .95rem; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; min-height: 40px;
  border: 1px solid var(--accent); border-radius: 10px;
  background: var(--card-bg); color: var(--accent);
}
.lq-retry-entry[hidden] { display: none; }
.lq-retry-entry:hover, .lq-btn:hover { background: var(--accent-soft); }
.lq-btn-primary { background: var(--accent); color: #fff; }
.lq-btn-primary:hover { background: var(--accent-hover); }
.lq-btn[hidden] { display: none; }

/* ---- 풀이 중 해설 ---- */
.lq-feedback {
  margin: .8rem 0; padding: 10px 12px;
  border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 8px; background: var(--card-bg);
}
.lq-feedback[hidden] { display: none; }
.lq-feedback p { margin: .3rem 0; color: var(--text); font-size: .92rem; overflow-wrap: anywhere; }
.lq-feedback a { font-size: .9rem; }

/* ---- 결과 ---- */
.lq-result[hidden] { display: none; }
.lq-missed-title { margin: 1rem 0 .4rem; font-size: 1rem; }
.lq-missed { list-style: none; padding: 0; margin: 0 0 1rem; }
.lq-missed li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.lq-missed a { font-weight: 600; overflow-wrap: anywhere; }
.lq-missed span { display: block; font-size: .85rem; color: var(--muted); overflow-wrap: anywhere; }
.lq-allright { margin: 1rem 0; font-weight: 600; }

/* ---- 로드맵 ---- */
.lr { margin-top: 1rem; }
.lr-head { margin-bottom: .8rem; }
.lr-field { margin: 0 0 .2rem; font-size: 1.2rem; }
.lr-meta { margin: 0 0 .5rem; color: var(--muted); font-size: .9rem; }
.lr-note { margin: .5rem 0; padding: 8px 12px; border-radius: 8px; background: var(--accent-soft); font-size: .9rem; }

.lr-bar { height: 8px; border-radius: 999px; background: var(--progress-bg); overflow: hidden; margin: .4rem 0; }
.lr-bar-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .25s ease; }

.lr-next {
  margin: .8rem 0 1rem; padding: 12px 14px;
  border: 1px solid var(--accent); border-radius: 12px; background: var(--accent-soft);
}
.lr-next-label { display: block; font-size: .8rem; font-weight: 700; color: var(--accent); }
.lr-next-title { display: inline-block; margin-top: .2rem; font-size: 1.15rem; font-weight: 700; overflow-wrap: anywhere; }
.lr-next-meaning { margin: .3rem 0 0; font-size: .92rem; overflow-wrap: anywhere; }

.lr-stage {
  margin: .7rem 0; padding: 0 12px 10px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--card-bg);
}
.lr-stage-sum {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 12px 0; cursor: pointer; font-weight: 700; list-style-position: inside;
}
.lr-stage-count { color: var(--muted); font-weight: 600; font-size: .9rem; }
.lr-stage-note { margin: .3rem 0; color: var(--muted); font-size: .82rem; }
.lr-list { list-style: none; padding: 0; margin: .4rem 0 0; }
.lr-item { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-top: 1px solid var(--border); }
.lr-check { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); cursor: pointer; }
.lr-item-body { min-width: 0; flex: 1; }
.lr-term { font-weight: 600; overflow-wrap: anywhere; }
.lr-term-en { margin-left: 6px; color: var(--muted); font-size: .8rem; overflow-wrap: anywhere; }
.lr-meaning { margin: .15rem 0 0; color: var(--muted); font-size: .85rem; line-height: 1.5; overflow-wrap: anywhere; }
.lr-quiz {
  display: inline-block; margin-top: .7rem; padding: 9px 16px;
  border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none;
}
.lr-quiz:hover { background: var(--accent-hover); }
.lr-foot { margin: 1rem 0; }

/* ---- 공통: 키보드 포커스 ---- */
.lq-mode:focus-visible, .lq-seg:focus-visible, .lq-retry-entry:focus-visible, .lq-btn:focus-visible,
.lr-check:focus-visible, .lr-stage-sum:focus-visible, .lr-quiz:focus-visible,
.lr-next-title:focus-visible, .lr-term:focus-visible, .lq-feedback a:focus-visible, .lq-missed a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

@media (max-width: 340px) {
  .lq-modes { grid-template-columns: 1fr; }
  .lq-actions > * { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .lr-bar-fill, .lq-mode, .lq-seg { transition: none; }
}

/* 링크 색: 다크 모드에서도 읽히도록 사이트 강조색 토큰 사용 */
.lq-feedback a, .lq-missed a, .lr-term, .lr-next-title, .lr-foot-link, .quiz-scope-banner a, .load-error a { color: var(--accent); }
.lr-quiz, .lr-quiz:hover { color: #fff; }

/* 분야 선택 후 접힌 한 줄 */
.lq-fieldbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; margin: .8rem 0; padding: 8px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--card-bg); }
.lq-fieldbar[hidden], .lq-picker[hidden] { display: none; }
.lq-fieldbar-text { font-weight: 700; overflow-wrap: anywhere; }
.lq-fieldbar-btn { font: inherit; font-size: .9rem; cursor: pointer; padding: 6px 12px; border: 1px solid var(--accent); border-radius: 999px; background: var(--card-bg); color: var(--accent); }
.lq-fieldbar-btn:hover { background: var(--accent-soft); }
.lq-fieldbar-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }