/* ============================================================
   三井作造 ｜ 設計師資格認證測驗
   ============================================================ */

.quiz-body { padding-top: 0; }

[hidden] { display: none !important; }

/* ===== 共用按鈕 ===== */
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 14px;
  font-family: var(--sans);
  letter-spacing: .14em;
  border-radius: 999px;
  cursor: pointer;
  transition: all .25s var(--ease);
  text-decoration: none;
  font-weight: 400;
}
.btn-primary {
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: var(--bg-deep);
  border: 1px solid var(--gold-bright);
}
.btn-primary:hover {
  background: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(201,168,120,.45);
}
.btn-primary:disabled {
  opacity: .35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-primary .ic { width: 18px; height: 18px; color: currentColor; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--gold-line-2);
}
.btn-ghost:hover {
  background: var(--gold-tint);
  color: var(--gold-bright);
  border-color: var(--gold-bright);
}
.btn-ghost:disabled {
  opacity: .3;
  cursor: not-allowed;
}
.btn-ghost .ic { width: 18px; height: 18px; color: var(--gold); }

/* ===== 介紹畫面 ===== */
.quiz-intro {
  min-height: 100vh;
  padding: 140px 0 80px;
  display: flex;
  align-items: center;
  position: relative;
  background:
    radial-gradient(900px 500px at 30% 10%, rgba(201,168,120,.10), transparent 60%),
    radial-gradient(700px 400px at 100% 80%, rgba(201,168,120,.06), transparent 60%);
}
.quiz-intro .container { max-width: 880px; }

.quiz-intro__title {
  font-family: var(--serif);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 500;
  letter-spacing: .04em;
  line-height: 1.18;
  color: var(--text-bright);
  margin: 28px 0 24px;
}
.quiz-intro__title em {
  font-style: normal;
  font-family: var(--display);
  color: var(--gold-bright);
}
.quiz-intro__sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 2;
  max-width: 680px;
  margin-bottom: 44px;
}
.quiz-intro__sub strong {
  color: var(--gold-bright);
  font-weight: 500;
}

.quiz-intro__rules {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}
.rule-card {
  padding: 26px 16px;
  text-align: center;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
}
.rule-card__num {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 44px);
  color: var(--gold-bright);
  font-weight: 500;
  line-height: 1;
  margin-bottom: 8px;
}
.rule-card__unit {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--gold);
  margin-left: 3px;
}
.rule-card__txt {
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: .14em;
}

.quiz-intro__note {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 22px 26px;
  margin-bottom: 36px;
  border-left: 3px solid var(--red);
  background: var(--red-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.85;
}
.quiz-intro__note .ic {
  color: var(--red);
  width: 24px; height: 24px;
  margin-top: 2px;
}
.quiz-intro__note strong { color: var(--red); font-weight: 500; }

.quiz-intro__history {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .14em;
}
.quiz-intro__history strong {
  color: var(--gold-bright);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 500;
  margin-left: 8px;
}

@media (max-width: 720px) {
  .quiz-intro__rules { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 答題畫面 ===== */
.quiz-play {
  min-height: 100vh;
  padding: 120px 0 80px;
}
.quiz-play__bar {
  position: fixed;
  top: 73px; left: 0; right: 0;
  z-index: 40;
  background: var(--nav-bg, rgba(247,242,230,.92));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--gold-line);
}
.quiz-play__progress {
  width: 100%;
  height: 4px;
  background: var(--bg-elev-2);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}
.quiz-play__progress-fill {
  height: 100%;
  width: 5%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-bright));
  border-radius: 4px;
  transition: width .35s var(--ease);
}
.quiz-play__meta {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-muted);
  letter-spacing: .14em;
  max-width: var(--container);
  margin: 0 auto;
}
.quiz-play__meta strong {
  color: var(--gold-bright);
  font-family: var(--display);
  font-weight: 500;
  font-size: 15px;
  margin: 0 4px;
}
.quiz-play__score strong { color: var(--green); }

.quiz-card {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 44px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
  position: relative;
  animation: cardIn .45s var(--ease);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.quiz-card__topic {
  display: inline-block;
  padding: 4px 12px;
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--gold-bright);
  background: var(--gold-tint);
  border: 1px solid var(--gold-line);
  border-radius: 4px;
  margin-bottom: 18px;
}
.quiz-card__type {
  display: inline-block;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--text-dim);
  margin-bottom: 14px;
  margin-left: 8px;
}
.quiz-card__q {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.65;
  color: var(--text-bright);
  margin-bottom: 32px;
  letter-spacing: .04em;
}
.quiz-card__q-hint {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .12em;
  margin-top: 6px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.q-opt {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev-2);
  cursor: pointer;
  transition: all .2s var(--ease);
  font-size: 15px;
  line-height: 1.7;
  user-select: none;
}
.q-opt:hover {
  border-color: var(--gold-line-2);
  background: var(--gold-tint);
}
.q-opt__mark {
  width: 26px; height: 26px;
  flex-shrink: 0;
  border: 1.5px solid var(--gold-line-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--display);
  font-size: 13px;
  color: var(--gold);
  margin-top: -2px;
}
.q-opt.is-multi .q-opt__mark { border-radius: 6px; }
.q-opt.is-selected {
  border-color: var(--gold);
  background: linear-gradient(180deg, var(--gold-tint), transparent);
}
.q-opt.is-selected .q-opt__mark {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
}
.q-opt.is-correct {
  border-color: var(--green-line);
  background: var(--green-soft);
}
.q-opt.is-correct .q-opt__mark {
  background: var(--green);
  color: var(--bg-deep);
  border-color: var(--green);
}
.q-opt.is-wrong {
  border-color: var(--red-line);
  background: var(--red-soft);
}
.q-opt.is-wrong .q-opt__mark {
  background: var(--red);
  color: var(--bg-deep);
  border-color: var(--red);
}
.q-opt.is-locked { pointer-events: none; }
.q-opt__text strong { color: var(--gold-bright); font-weight: 500; }

.quiz-explain {
  margin-top: 22px;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: var(--gold-tint);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--text);
  line-height: 1.85;
}
.quiz-explain__h {
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--gold-bright);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.quiz-explain strong { color: var(--gold-bright); font-weight: 500; }

.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 820px;
  margin: 28px auto 0;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== 結果畫面 ===== */
.quiz-result {
  min-height: 100vh;
  padding: 120px 0 80px;
}
.quiz-result .container { max-width: 880px; }

.result-banner {
  text-align: center;
  padding: 56px 30px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--gold-tint), transparent 70%);
  border: 1px solid var(--gold-line-2);
  margin-bottom: 36px;
}
.result-banner.is-fail {
  background: linear-gradient(160deg, var(--red-soft), transparent 70%);
  border-color: var(--red-line);
}
.result-banner .ic {
  width: 64px; height: 64px;
  color: var(--gold-bright);
  margin-bottom: 18px;
}
.result-banner.is-fail .ic { color: var(--red); }
.result-banner__title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  color: var(--gold-bright);
  letter-spacing: .12em;
  margin-bottom: 8px;
}
.result-banner.is-fail .result-banner__title { color: var(--red); }
.result-banner__sub {
  font-size: 15px;
  color: var(--text-muted);
  letter-spacing: .08em;
}

.result-score {
  text-align: center;
  padding: 40px 30px;
  margin-bottom: 36px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
}
.result-score__label {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: .42em;
  color: var(--gold);
  margin-bottom: 12px;
}
.result-score__num {
  font-family: var(--display);
  font-size: clamp(72px, 12vw, 120px);
  font-weight: 500;
  color: var(--gold-bright);
  line-height: 1;
  letter-spacing: -.02em;
}
.result-score__num small {
  font-size: .32em;
  color: var(--text-dim);
  margin-left: 6px;
}
.result-score__detail {
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: .1em;
}
.result-score__detail strong {
  color: var(--gold-bright);
  font-weight: 500;
}

/* ===== 證書 ===== */
.result-cert {
  padding: 52px 44px;
  margin-bottom: 36px;
  border: 1.5px solid var(--gold-line-2);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(800px 400px at 50% -10%, rgba(201,168,120,.15), transparent 60%),
    linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev));
  position: relative;
  text-align: center;
}
.result-cert::before, .result-cert::after {
  content: "";
  position: absolute;
  width: 38px; height: 38px;
  border: 1.5px solid var(--gold);
}
.result-cert::before { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.result-cert::after { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.result-cert__deco {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: .5em;
  color: var(--gold);
  margin-bottom: 16px;
}
.result-cert__brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: .26em;
  color: var(--text-bright);
  margin-bottom: 20px;
}
.result-cert__text {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.95;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: .04em;
}
.result-cert__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
  text-align: left;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.result-cert__field {
  font-family: var(--display);
  font-size: 10.5px;
  letter-spacing: .3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.result-cert__input {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--gold-line-2);
  padding: 6px 0;
  font-family: var(--serif);
  font-size: 17px;
  color: var(--text-bright);
  letter-spacing: .12em;
}
.result-cert__input:focus { outline: 0; border-bottom-color: var(--gold-bright); }
.result-cert__date {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--text-bright);
  padding: 6px 0;
  border-bottom: 1px solid var(--gold-line-2);
  letter-spacing: .12em;
}
.result-cert__sign {
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: .42em;
  color: var(--gold-bright);
}

@media (max-width: 600px) {
  .result-cert__row { grid-template-columns: 1fr; }
}

/* ===== 檢討 ===== */
.result-review {
  margin-bottom: 36px;
}
.result-review__title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-bright);
  letter-spacing: .12em;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gold-line);
}
.review-item {
  padding: 22px 26px;
  margin-bottom: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elev);
}
.review-item__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .12em;
}
.review-item__num {
  font-family: var(--display);
  color: var(--gold);
  font-size: 16px;
}
.review-item__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: .2em;
}
.review-item__status .ic { width: 14px; height: 14px; }
.review-item.is-right { border-color: var(--green-line); }
.review-item.is-right .review-item__status {
  color: var(--green);
  background: var(--green-soft);
}
.review-item.is-wrong { border-color: var(--red-line); }
.review-item.is-wrong .review-item__status {
  color: var(--red);
  background: var(--red-soft);
}
.review-item__q {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--text-bright);
  line-height: 1.7;
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.review-item__ans {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.review-item__ans-row { display: flex; gap: 8px; margin: 4px 0; }
.review-item__ans-row strong { color: var(--gold-bright); font-weight: 500; flex-shrink: 0; min-width: 76px; }
.review-item__ans-row em {
  font-style: normal;
  color: var(--green);
}
.review-item__ans-row em.wrong { color: var(--red); }
.review-item__explain {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--gold-tint);
  border-left: 2px solid var(--gold);
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.85;
  border-radius: 0 4px 4px 0;
}

.result-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ===== 列印樣式 ===== */
@media print {
  .nav, .footer, .result-review, .result-actions, .quiz-play__bar { display: none !important; }
  body { background: white; color: black; }
  body::before { display: none; }
  .result-cert {
    border-color: #8b7340;
    background: white;
    color: black;
    page-break-inside: avoid;
  }
  .result-cert__brand, .result-cert__text, .result-cert__date, .result-cert__input { color: black; }
  .result-cert__deco, .result-cert__field, .result-cert__sign { color: #8b7340; }
  .result-banner, .result-score { display: none; }
}