/* ============================================================
   맞춤법 퀴즈 전용 스타일
   - 어휘·사자성어·속담 퀴즈와 한 계열(편집·문학): 따뜻한 종이색,
     명조 헤드라인, 주묵색 포인트. 교정지를 보는 듯한 톤.
   ============================================================ */

:root {
  --spl-ok: #2f7d4a;
  --spl-ok-weak: #e4efe6;
  --spl-bad: #c0392b;
  --spl-bad-weak: #f6e3e0;
  --spl-gold: #8a6d3b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --spl-ok: #7fd694; --spl-ok-weak: #22331f;
    --spl-bad: #ff8f7d; --spl-bad-weak: #3a221d;
    --spl-gold: #d6b56b;
  }
}
:root[data-theme="dark"] {
  --spl-ok: #7fd694; --spl-ok-weak: #22331f;
  --spl-bad: #ff8f7d; --spl-bad-weak: #3a221d;
  --spl-gold: #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: 56ch; 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);
}
.tool-intro .lead-note a { color: var(--color-primary); }

/* ---- 게임판 ---- */
.spl-stage {
  border: 1px solid var(--color-border); border-radius: 3px;
  background: var(--color-surface); box-shadow: var(--shadow-sm);
  padding: clamp(18px, 4vw, 34px);
  margin: 0 0 var(--space-4);
}
.spl-status {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; flex-wrap: wrap;
  font-size: .88rem; color: var(--color-text-sub);
  margin: 0 0 var(--space-3);
}
.spl-status strong { color: var(--color-text); }

/* ---- 시작 화면 ---- */
.spl-start { text-align: center; padding: var(--space-3) 0; }
.spl-start-lead {
  font-size: 1.02rem; color: var(--color-text);
  max-width: 44ch; margin: 0 auto var(--space-4); line-height: 1.7;
}
.spl-start-sub {
  font-size: .84rem; letter-spacing: .04em; color: var(--color-text-sub);
  margin: 0 0 var(--space-2);
}
.spl-chips {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  max-width: 560px; margin: 0 auto var(--space-4);
}
.spl-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px; border: 1px solid var(--color-border);
  border-radius: 999px; background: var(--color-bg);
  color: var(--color-text); font-size: .92rem; cursor: pointer;
  transition: border-color .12s, background .12s, color .12s;
}
.spl-chip:hover { border-color: var(--color-primary); }
.spl-chip em {
  font-style: normal; font-size: .74rem; color: var(--color-text-sub);
  background: var(--color-surface); border-radius: 999px; padding: 1px 7px;
}
.spl-chip.is-on {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}
.spl-chip.is-on em { background: rgba(255,255,255,.22); color: #fff; }
.spl-btn-lg { padding: 12px 28px; font-size: 1rem; }
.spl-start-best { font-size: .85rem; color: var(--spl-gold); margin: var(--space-3) 0 0; }
.spl-start-note {
  margin: var(--space-3) 0 0; font-size: .86rem; color: var(--color-text-sub);
}
.spl-start-note a { color: var(--color-primary); }

/* ---- 문제 ---- */
.spl-cat {
  text-align: center; margin: 0 0 var(--space-3);
  font-size: .74rem; font-weight: 700; letter-spacing: .04em;
  color: var(--color-primary);
}
.spl-cat::before { content: "· "; }
.spl-cat::after { content: " ·"; }
.spl-ask {
  text-align: center; margin: 0 0 var(--space-3);
  font-size: 1rem; color: var(--color-text-sub);
}
.spl-sentence {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  line-height: 1.9; color: var(--color-text);
  margin: 0 auto var(--space-4); max-width: 40ch;
  padding: 10px 4px 20px; text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.spl-blank {
  display: inline-block; min-width: 2.2em;
  color: var(--color-primary); font-weight: 800; letter-spacing: .05em;
  border-bottom: 2px solid var(--color-primary); margin: 0 3px;
}

/* ---- 보기(2지선다) ---- */
.spl-choices {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  max-width: 520px; margin: 0 auto;
}
@media (max-width: 420px) { .spl-choices { grid-template-columns: 1fr; } }
.spl-choices button {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 20px 14px; border: 1px solid var(--color-border);
  border-radius: 3px; background: var(--color-bg);
  color: var(--color-text); cursor: pointer;
  transition: border-color .12s, background .12s;
}
.spl-choices button:hover:not(:disabled) { border-color: var(--color-primary); }
.spl-choices button:disabled { cursor: default; }
.spl-num {
  flex: none; width: 1.5em; height: 1.5em; line-height: 1.5em;
  text-align: center; border-radius: 50%;
  background: var(--color-primary-weak); color: var(--color-primary);
  font-size: .78rem; font-weight: 700;
}
.spl-opt { font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700; }
.spl-choices button.is-right {
  background: var(--spl-ok-weak); border-color: var(--spl-ok);
}
.spl-choices button.is-right .spl-num { background: var(--spl-ok); color: #fff; }
.spl-choices button.is-right .spl-opt { color: var(--spl-ok); }
.spl-choices button.is-wrong {
  background: var(--spl-bad-weak); border-color: var(--spl-bad);
}
.spl-choices button.is-wrong .spl-num { background: var(--spl-bad); color: #fff; }
.spl-choices button.is-wrong .spl-opt { color: var(--spl-bad); text-decoration: line-through; }

/* ---- 메시지 / 액션 ---- */
.spl-msg {
  text-align: center; margin: var(--space-3) 0 0;
  font-size: .95rem; color: var(--color-text-sub); min-height: 1.4em;
}
.spl-msg.is-ok { color: var(--spl-ok); font-weight: 700; }
.spl-msg.is-bad { color: var(--spl-bad); font-weight: 700; }
.spl-actions {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin: var(--space-4) 0 0;
}
.spl-btn {
  padding: 10px 16px; border: 1px solid var(--color-border);
  border-radius: 3px; background: var(--color-surface);
  color: var(--color-text); font-size: .92rem; cursor: pointer;
}
.spl-btn:hover:not(:disabled) { border-color: var(--color-primary); }
.spl-btn-next {
  background: var(--color-primary); border-color: var(--color-primary);
  color: #fff; font-weight: 700;
}

/* ---- 정답 해설 카드(차별점) ---- */
.spl-reveal {
  margin: var(--space-4) auto 0; max-width: 560px;
  border: 1px solid var(--color-border); border-radius: 3px;
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg); padding: 16px 18px; text-align: left;
}
.spl-reveal-head { margin: 0 0 10px; display: flex; align-items: baseline; gap: 12px; }
.spl-right-word {
  font-family: var(--font-serif); font-size: 1.4rem; font-weight: 800;
  color: var(--spl-ok);
}
.spl-right-word::after {
  content: "○"; font-size: .8rem; margin-left: 5px; vertical-align: super;
  color: var(--spl-ok);
}
.spl-wrong-word {
  font-family: var(--font-serif); font-size: 1.1rem;
  color: var(--color-text-sub); text-decoration: line-through;
  text-decoration-color: var(--spl-bad);
}
.spl-reveal-sentence {
  font-family: var(--font-serif); font-size: 1.24rem; line-height: 1.8;
  color: var(--color-text); margin: 0 0 10px;
}
.spl-fill { color: var(--spl-ok); font-weight: 800; }
.spl-reveal-rule { margin: 0; font-size: .96rem; line-height: 1.75; color: var(--color-text); }
.spl-reveal-mean, .spl-reveal-ex {
  margin: 10px 0 0; font-size: .9rem; line-height: 1.7; color: var(--color-text-sub);
}
.spl-mean-label {
  display: inline-block; margin-right: 8px; min-width: 1.6em;
  font-size: .74rem; font-weight: 700; color: var(--color-primary);
  border: 1px solid var(--color-border); border-radius: 3px;
  padding: 0 6px; text-align: center;
}

/* ---- 결과 화면 ---- */
.spl-result { text-align: center; }
.spl-retry-badge {
  display: inline-block; margin: 0 0 var(--space-3);
  font-size: .8rem; font-weight: 700; color: var(--spl-gold);
  border: 1px solid var(--spl-gold); border-radius: 999px; padding: 3px 12px;
}
.spl-result-eyebrow {
  font-size: .85rem; letter-spacing: .1em; color: var(--color-text-sub);
  margin: 0 0 var(--space-2);
}
.spl-result-title {
  font-family: var(--font-serif); font-size: clamp(2rem, 6.5vw, 3rem);
  font-weight: 800; color: var(--color-primary); margin: 0 0 var(--space-2);
  line-height: 1.2;
}
.spl-result-why {
  font-size: 1rem; color: var(--color-text); margin: 0 auto var(--space-3);
  max-width: 40ch; line-height: 1.7;
}
.spl-result-stat { font-size: .95rem; color: var(--color-text-sub); margin: 0 0 4px; }
.spl-result-stat strong { color: var(--color-text); }
.spl-result-best { font-size: .88rem; color: var(--spl-gold); margin: 0 0 4px; min-height: 1.2em; }
.spl-copy-hint {
  text-align: center; min-height: 1.3em; font-size: .85rem;
  color: var(--spl-ok); margin: var(--space-2) 0 0;
}

/* 틀린 문제 복습 */
.spl-review-h { font-size: 1.02rem; margin: var(--space-4) 0 10px; text-align: left; }
.spl-review {
  text-align: left; max-width: 560px; margin: 0 auto var(--space-4);
  padding: 0; list-style: none;
}
.spl-review li {
  border: 1px solid var(--color-border); border-radius: 3px;
  background: var(--color-bg); padding: 12px 14px; margin: 0 0 8px;
}
.spl-review-top {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  margin: 0; font-family: var(--font-serif); font-size: 1.1rem;
  color: var(--color-text);
}
.spl-review-cat {
  font-family: var(--font-sans); margin-left: auto;
  font-size: .72rem; font-weight: 700; color: var(--color-primary);
  background: var(--color-primary-weak); border-radius: 3px; padding: 1px 7px;
}
.spl-review-rule { margin: 8px 0 0; font-size: .9rem; line-height: 1.65; color: var(--color-text); }
.spl-review-mean { margin: 4px 0 0; font-size: .85rem; line-height: 1.6; color: var(--color-text-sub); }
.spl-perfect {
  max-width: 40ch; margin: var(--space-4) auto; font-size: .95rem;
  color: var(--spl-ok); font-weight: 600;
}

/* 다른 게임 링크 */
.spl-more {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  margin: var(--space-4) 0 0; padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.spl-more a {
  font-size: .9rem; color: var(--color-primary); text-decoration: none;
  border: 1px solid var(--color-border); border-radius: 999px; padding: 7px 15px;
}
.spl-more a:hover { border-color: var(--color-primary); }

/* 출처 표기 */
.spl-source {
  margin: calc(var(--space-4) * -0.4) 0 var(--space-5);
  font-size: .8rem; color: var(--color-text-sub); text-align: right;
  line-height: 1.6;
}
.spl-source a { color: inherit; }