/* ===== Reset & base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --purple:       #6c3fc5;
  --purple-dark:  #4e2c9a;
  --purple-light: #ede7ff;
  --green:        #22c55e;
  --green-light:  #dcfce7;
  --red:          #ef4444;
  --red-light:    #fee2e2;
  --text:         #1a1a2e;
  --muted:        #6b7280;
  --bg:           #f0ecff;
  --card:         #ffffff;
  --radius:       20px;
  --shadow:       0 8px 32px rgba(108,63,197,.15);
  --shadow-lg:    0 16px 48px rgba(108,63,197,.2);
}

html, body { height: 100%; font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); }

/* ===== Animations ===== */
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes shake { 0%,100%{transform:translateX(0)} 15%{transform:translateX(-10px)} 30%{transform:translateX(9px)} 45%{transform:translateX(-7px)} 60%{transform:translateX(6px)} 75%{transform:translateX(-4px)} }
@keyframes bounceIn { 0%{transform:scale(1)} 25%{transform:scale(1.08)} 50%{transform:scale(.96)} 75%{transform:scale(1.03)} 100%{transform:scale(1)} }
@keyframes popIn { 0%{transform:scale(.3) rotate(-10deg);opacity:0} 60%{transform:scale(1.2) rotate(3deg)} 80%{transform:scale(.95) rotate(-1deg)} 100%{transform:scale(1) rotate(0);opacity:1} }
@keyframes spin { to { transform: rotate(360deg); } }

.page { min-height: 100vh; display: flex; flex-direction: column; }
.main { flex: 1; padding: 20px 16px 100px; max-width: 600px; margin: 0 auto; width: 100%; }

.sp-wrap { width: min(calc(100% - 32px), 1200px); margin: 0 auto; }
.site-header { background: #fff; border-bottom: 1px solid #e5e7eb; position: sticky; top: 0; z-index: 100; }
.site-header .header-inner { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 16px; }
.site-header .logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.03em; color: #1a1a2e; text-decoration: none; }
.site-header .logo-icon { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; }

.sp-breadcrumb { background: #fff; border-bottom: 1px solid #e5e7eb; padding: 8px 0; }
.sp-breadcrumb-link { font-size: .82rem; font-weight: 600; color: #6b7280; text-decoration: none; transition: color .15s; }
.sp-breadcrumb-link:hover { color: #1a1a2e; }

.quiz-page-header { background: linear-gradient(135deg, var(--purple) 0%, var(--purple-dark) 100%); color: #fff; padding: 20px 16px; display: flex; align-items: center; gap: 16px; }
.quiz-logo { font-size: 2.4rem; line-height: 1; filter: drop-shadow(0 2px 4px rgba(0,0,0,.2)); }
.quiz-page-header h1 { font-size: 1.4rem; font-weight: 800; letter-spacing: -.5px; }
.subtitle { font-size: .8rem; opacity: .75; margin-top: 3px; text-transform: capitalize; }

.card { background: var(--card); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card.center { text-align: center; }
.card.animate-in { animation: slideUp .35s cubic-bezier(.34,1.2,.64,1) both; }

.question-label { display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; font-weight: 700; color: var(--purple); text-transform: uppercase; letter-spacing: 1px; background: var(--purple-light); padding: 4px 10px; border-radius: 20px; margin-bottom: 16px; }
.question-text { font-size: 1.2rem; font-weight: 700; line-height: 1.5; margin-bottom: 28px; color: var(--text); }

.answers { display: flex; flex-direction: column; gap: 12px; }
.answer-btn { width: 100%; padding: 14px 16px; border: 2px solid #e8e0f8; border-radius: 14px; background: #faf8ff; color: var(--text); font-size: .97rem; font-weight: 500; text-align: left; cursor: pointer; transition: border-color .15s, background .15s, transform .1s, box-shadow .15s; display: flex; align-items: center; gap: 14px; position: relative; overflow: hidden; }
.answer-btn:hover:not(:disabled) { border-color: var(--purple); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(108,63,197,.18); }
.answer-btn:active:not(:disabled) { transform: translateY(0); box-shadow: none; }

.answer-letter { width: 34px; height: 34px; border-radius: 50%; background: var(--purple-light); color: var(--purple-dark); font-weight: 800; font-size: .9rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: background .15s, color .15s; }
.answer-text { flex: 1; line-height: 1.35; }

.answer-btn.selected .answer-letter { background: var(--purple); color: #fff; }
.answer-btn.selected { border-color: var(--purple); background: var(--purple-light); }
.answer-btn.correct { border-color: var(--green); background: var(--green-light); animation: bounceIn .4s ease; }
.answer-btn.correct .answer-letter { background: var(--green); color: #fff; }
.answer-btn.wrong { border-color: var(--red); background: var(--red-light); animation: shake .4s ease; }
.answer-btn.wrong .answer-letter { background: var(--red); color: #fff; }
.answer-btn:disabled { cursor: default; }

.result-card { text-align: center; }
.result-badge-wrap { margin-bottom: 12px; }
#result-badge { font-size: 4rem; display: inline-block; animation: popIn .5s cubic-bezier(.34,1.56,.64,1) both; line-height: 1; }
.result-label { font-size: 1.1rem; font-weight: 800; margin-top: 8px; margin-bottom: 4px; }
.result-label.correct-label { color: var(--green); }
.result-label.wrong-label { color: var(--red); }
.result-question { font-size: .92rem; font-weight: 500; color: var(--muted); margin-bottom: 24px; line-height: 1.4; }

.stats-section { text-align: left; margin-top: 8px; padding-top: 20px; border-top: 1px solid #f0ecff; }
.stats-title { font-size: .75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .8px; margin-bottom: 14px; }
.stat-row { display: grid; grid-template-columns: 32px 1fr 38px; align-items: center; gap: 10px; margin-bottom: 12px; }
.stat-letter { width: 32px; height: 32px; border-radius: 50%; background: #f0ecff; color: var(--purple); font-size: .78rem; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-letter.correct { background: var(--green); color: #fff; }
.stat-letter.wrong { background: var(--red); color: #fff; }

.stat-right { display: flex; flex-direction: column; gap: 4px; }
.stat-answer-text { font-size: .78rem; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat-bar-wrap { height: 8px; background: #f0ecff; border-radius: 4px; overflow: hidden; }
.stat-bar { height: 100%; background: linear-gradient(90deg, #b39dff, var(--purple)); border-radius: 4px; transition: width .7s cubic-bezier(.4,0,.2,1); width: 0; }
.stat-bar.correct { background: linear-gradient(90deg, #6ee7a0, var(--green)); }
.stat-bar.wrong { background: linear-gradient(90deg, #fca5a5, var(--red)); }
.stat-pct { font-size: .82rem; font-weight: 700; color: var(--muted); text-align: right; }
.stats-total { font-size: .78rem; color: var(--muted); text-align: right; margin-top: 10px; }

.countdown-card { text-align: center; background: linear-gradient(135deg, var(--purple), var(--purple-dark)); color: #fff; border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-lg); margin-bottom: 16px; }
.countdown-label { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; opacity: .75; margin-bottom: 10px; }
.countdown { font-size: 3rem; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: 4px; text-shadow: 0 2px 8px rgba(0,0,0,.2); }
.countdown-sub { font-size: .9rem; opacity: .8; margin-top: 8px; }

.push-bar { position: fixed; bottom: 0; left: 0; right: 0; background: linear-gradient(90deg, var(--purple-dark), var(--purple)); color: #fff; padding: 14px 16px; z-index: 100; display: none; box-shadow: 0 -4px 20px rgba(108,63,197,.3); }
.push-bar.visible { display: block; }
.push-bar-inner { max-width: 600px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: .95rem; font-weight: 500; }

.btn { padding: 11px 22px; border-radius: 12px; border: none; font-size: .9rem; font-weight: 700; cursor: pointer; transition: background .15s, transform .1s, box-shadow .15s; font-family: inherit; }
.btn:active { transform: scale(.97); }
.btn-push { background: #fff; color: var(--purple-dark); white-space: nowrap; }
.btn-push:hover { background: #ede7ff; }
.btn-outline { background: transparent; border: 2px solid var(--purple); color: var(--purple); margin-top: 10px; }
.btn-next { width: 100%; margin-top: 20px; background: linear-gradient(135deg, var(--purple), var(--purple-dark)); color: #fff; font-size: 1rem; padding: 16px; border-radius: 14px; box-shadow: 0 4px 16px rgba(108,63,197,.3); }
.btn-next:hover { box-shadow: 0 6px 24px rgba(108,63,197,.4); transform: translateY(-1px); }

.spinner { width: 40px; height: 40px; border: 4px solid #e2d9f3; border-top-color: var(--purple); border-radius: 50%; animation: spin .7s linear infinite; margin: 0 auto 16px; }

.hidden { display: none !important; }
.emoji-big { font-size: 3rem; margin-bottom: 12px; }

@media (max-width: 400px) { .countdown { font-size: 2.4rem; } .answer-letter { width: 30px; height: 30px; font-size: .8rem; } .card { padding: 20px 16px; } }

.quiz-image {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  display: block;
  background: #f5f3ff;
}
.quiz-image.img-contain {
  object-fit: contain;
  padding: 8px;
}

.btn-push-close {
  background: transparent;
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  transition: color .15s;
}
.btn-push-close:hover { color: #fff; }