/* ============================================================
   초성 퀴즈 전용 스타일
   - 초성 타일이 화면의 주인공. 크고 또렷하게, 원고지 낱칸 느낌.
   - 시니어 모드(body.is-senior)는 글씨·버튼을 한 단계 키운다.
   ============================================================ */

:root {
  --cho-ok: #2f7d4a;
  --cho-ok-weak: #e4efe6;
  --cho-bad: #c0392b;
  --cho-hint: #8a6d3b;
  --cho-tile: var(--color-surface);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cho-ok: #7fd694; --cho-ok-weak: #22331f;
    --cho-bad: #ff8f7d; --cho-hint: #d6b56b;
  }
}
:root[data-theme="dark"] {
  --cho-ok: #7fd694; --cho-ok-weak: #22331f;
  --cho-bad: #ff8f7d; --cho-hint: #d6b56b;
}

/* ---- 도입부 ---- */
.tool-intro { padding: clamp(30px, 5vw, 56px) 0 clamp(18px, 3vw, 30px); }
.tool-intro h1 { margin: 0 0 var(--space-4); }
.tool-intro .eyebrow {
  margin: 0 0 var(--space-2);
  font-size: .85rem; letter-spacing: .08em; color: var(--color-primary);
}
.tool-intro .accent { color: var(--color-primary); }
.tool-intro .lead {
  font-size: 1.08rem; line-height: 1.75;
  color: var(--color-text-sub); max-width: 54ch; margin: 0;
}
.tool-intro .lead strong { color: var(--color-text); }
.tool-intro .lead-note {
  margin: var(--space-3) 0 0; font-size: .88rem; color: var(--color-text-sub);
}

/* ---- 모드 탭 ---- */
.cho-modes {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: 0 0 var(--space-4);
}
.cho-modes button {
  flex: 1 1 auto; min-width: 96px;
  padding: 12px 14px; border: 1px solid var(--color-border);
  border-radius: 3px; background: var(--color-surface);
  color: var(--color-text-sub); font-size: .98rem; font-weight: 600;
  cursor: pointer; transition: background .12s, color .12s, border-color .12s;
}
.cho-modes button:hover { border-color: var(--color-primary); }
.cho-modes button.is-active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}

/* ---- 카테고리 칩 ---- */
.cho-catrow { margin: 0 0 var(--space-4); }
.cho-catrow .cho-catlab {
  display: block; font-size: .82rem; color: var(--color-text-sub); margin-bottom: 8px;
}
.cho-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cho-chip {
  padding: 7px 13px; border: 1px solid var(--color-border);
  border-radius: 999px; background: var(--color-surface);
  color: var(--color-text-sub); font-size: .9rem; cursor: pointer;
}
.cho-chip:hover { border-color: var(--color-primary); }
.cho-chip.is-active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}

/* ---- 게임판 ---- */
.cho-stage {
  border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-surface);
  padding: clamp(20px, 4vw, 36px);
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.cho-status {
  display: flex; gap: 18px; flex-wrap: wrap;
  font-size: .9rem; color: var(--color-text-sub);
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 14px; margin-bottom: 20px;
}
.cho-status b { color: var(--color-text); font-variant-numeric: tabular-nums; }
.cho-status .st-stars { letter-spacing: .18em; color: var(--cho-hint); }
.cho-status .st-cheer, .cho-status .st-stars { margin-left: auto; }

.cho-catbadge {
  display: inline-block; font-size: .82rem; color: var(--color-primary);
  border: 1px solid var(--color-border); border-radius: 3px;
  padding: 3px 10px; margin-bottom: 16px;
}

/* 초성 타일 */
.cho-tiles {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; align-items: center;
  min-height: 86px; margin: 6px 0 18px;
}
.cho-tile {
  display: inline-flex; align-items: center; justify-content: center;
  width: clamp(56px, 13vw, 74px); height: clamp(64px, 15vw, 84px);
  border: 2px solid var(--color-border); border-radius: 8px;
  background: var(--cho-tile);
  font-family: var(--font-serif, serif);
  font-size: clamp(1.9rem, 6vw, 2.6rem); font-weight: 700;
  color: var(--color-text); line-height: 1;
}
.cho-tile.is-open {
  border-color: var(--cho-ok); color: var(--cho-ok);
  background: var(--cho-ok-weak);
}
.cho-tile.is-plain { border-style: dashed; color: var(--color-text-sub); }
.cho-space { width: clamp(14px, 4vw, 24px); }

.cho-meaning {
  text-align: center; color: var(--color-text-sub);
  font-size: 1rem; line-height: 1.6; margin: 0 auto 16px; max-width: 46ch;
}
.cho-meaning b {
  display: inline-block; color: var(--cho-hint);
  font-size: .78rem; margin-right: 6px;
  border: 1px solid var(--color-border); border-radius: 3px; padding: 1px 6px;
}

/* 입력 */
.cho-form { display: flex; gap: 8px; max-width: 460px; margin: 0 auto 14px; }
.cho-form input {
  flex: 1; padding: 14px 16px; font-size: 1.15rem;
  border: 2px solid var(--color-border); border-radius: 6px;
  background: var(--color-bg); color: var(--color-text);
  text-align: center;
}
.cho-form input:focus {
  outline: none; border-color: var(--color-primary);
}
.cho-form input:disabled { opacity: .7; }

.cho-btn, .cho-btn-big {
  border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-surface); color: var(--color-text);
  cursor: pointer; font-weight: 600;
}
.cho-form .cho-btn-submit {
  padding: 0 20px; font-size: 1.02rem;
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}
.cho-form .cho-btn-submit:disabled { opacity: .5; cursor: default; }

.cho-actions {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin-top: 6px;
}
.cho-actions .cho-btn { padding: 10px 14px; font-size: .92rem; font-weight: 500; }
.cho-actions .cho-btn:hover:not(:disabled) { border-color: var(--color-primary); }
.cho-actions .cho-btn:disabled { opacity: .45; cursor: default; }
.cho-btn-quiet { color: var(--color-text-sub); }
.cho-btn-next {
  background: var(--color-primary) !important; border-color: var(--color-primary) !important;
  color: #fff !important;
}

.cho-msg {
  min-height: 1.5em; text-align: center; margin: 16px 0 0;
  font-size: 1rem; font-weight: 600; color: var(--color-text-sub);
}
.cho-msg.is-ok { color: var(--cho-ok); }
.cho-msg.is-bad { color: var(--cho-bad); }
.cho-msg.is-hint { color: var(--cho-hint); }
.cho-msg.is-reveal { color: var(--cho-hint); }

/* ---- 결과 오버레이(데일리) ---- */
.cho-result {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(20,16,11,.55); padding: 20px;
}
.cho-result-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: 10px; padding: clamp(24px, 5vw, 40px);
  max-width: 420px; width: 100%; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.rs-title { color: var(--color-text-sub); font-size: .92rem; margin: 0 0 10px; }
.rs-stars { font-size: 2rem; letter-spacing: .22em; color: var(--cho-hint); margin: 0 0 8px; }
.rs-score { margin: 6px 0; font-family: var(--font-serif, serif); }
.rs-score b { font-size: 3.2rem; color: var(--color-primary); }
.rs-score small { color: var(--color-text-sub); font-size: 1.1rem; }
.rs-grade { color: var(--color-text); margin: 8px 0; }
.rs-streak {
  display: inline-block; margin: 4px auto 18px; padding: 5px 14px;
  border: 1px solid var(--color-border); border-radius: 999px;
  color: var(--cho-hint); font-weight: 700;
}
.rs-actions { display: flex; gap: 10px; justify-content: center; margin-bottom: 14px; }
.rs-actions .cho-btn-big { padding: 12px 20px; background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.rs-actions .cho-btn { padding: 12px 18px; }
.rs-note { font-size: .84rem; color: var(--color-text-sub); margin: 0; line-height: 1.6; }

.cho-btn-big {
  font-size: 1.05rem; padding: 14px 26px; border-radius: 6px;
}

/* ---- 시니어 모드: 크게 ---- */
body.is-senior .cho-tile {
  width: clamp(66px, 16vw, 92px); height: clamp(76px, 18vw, 104px);
  font-size: clamp(2.4rem, 8vw, 3.2rem);
}
body.is-senior .cho-meaning { font-size: 1.2rem; max-width: none; }
body.is-senior .cho-form input { font-size: 1.4rem; padding: 18px; }
body.is-senior .cho-form .cho-btn-submit { font-size: 1.2rem; }
body.is-senior .cho-status { font-size: 1.02rem; }
body.is-senior .cho-actions .cho-btn { font-size: 1.02rem; padding: 13px 18px; }
body.is-senior .cho-msg { font-size: 1.2rem; }

@media (max-width: 480px) {
  .cho-form { flex-wrap: wrap; }
  .cho-form input { flex: 1 1 100%; }
  .cho-form .cho-btn-submit { flex: 1 1 100%; padding: 12px; }
}