.sr-wrap {
  font-family: var(--font-display, 'Outfit', 'DM Sans', sans-serif);
  max-width: 640px;
  margin: 0 auto 32px;
}

.sr-shell {
  background: linear-gradient(160deg, #f8fbff 0%, #eef5ff 100%);
  border: 1px solid #dbe7ff;
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.12);
}

.sr-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.sr-kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #2563eb;
  margin-bottom: 6px;
}

.sr-title {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 26px;
  font-weight: 800;
  color: #102a43;
  margin: 0 0 6px;
}

.sr-subtitle {
  font-size: 14px;
  line-height: 1.6;
  color: #52667a;
  margin: 0;
}

.sr-avatar {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.2);
}

.sr-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.sr-stat {
  background: #fff;
  border: 1px solid #dbe7ff;
  border-radius: 16px;
  padding: 14px;
}

.sr-stat-label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 4px;
}

.sr-stat strong {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 24px;
  color: #102a43;
}

.sr-track {
  height: 10px;
  background: #dbe7ff;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 14px;
}

.sr-timer-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #2563eb, #38bdf8);
  transition: width 0.25s linear;
}

.sr-timer-bar.warn {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.sr-timer-bar.danger {
  background: linear-gradient(90deg, #ef4444, #fb7185);
}

.sr-meta {
  font-size: 12px;
  font-weight: 700;
  color: #64748b;
  margin-bottom: 10px;
}

.sr-card {
  background: #fff;
  border: 1px solid #dbe7ff;
  border-radius: 18px;
  padding: 18px;
}

.sr-question {
  font-size: 18px;
  line-height: 1.55;
  font-weight: 600;
  color: #102a43;
  margin-bottom: 16px;
}

.sr-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sr-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 13px 14px;
  border-radius: 14px;
  border: 2px solid #dbe7ff;
  background: #fff;
  color: #102a43;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.sr-option:hover:not(:disabled) {
  border-color: #93c5fd;
  background: #f8fbff;
  transform: translateY(-1px);
}

.sr-option-letter {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: #eff6ff;
  color: #2563eb;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.sr-option.correct {
  border-color: #10b981;
  background: #ecfdf5;
}

.sr-option.correct .sr-option-letter {
  background: #10b981;
  color: #fff;
}

.sr-option.wrong {
  border-color: #ef4444;
  background: #fef2f2;
}

.sr-option.wrong .sr-option-letter {
  background: #ef4444;
  color: #fff;
}

.sr-feedback {
  display: none;
  margin-top: 14px;
  padding: 13px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.6;
}

.sr-feedback.show {
  display: block;
}

.sr-feedback.correct {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
}

.sr-feedback.wrong {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
}

.sr-feedback.summary {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
}

.sr-footer {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.sr-btn {
  flex: 1;
  min-height: 44px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.sr-btn.secondary {
  background: #fff;
  border: 1px solid #dbe7ff;
  color: #475569;
}

.sr-btn:disabled {
  opacity: 0.7;
  cursor: default;
}

@media (max-width: 600px) {
  .sr-shell {
    padding: 18px;
  }

  .sr-stats {
    grid-template-columns: 1fr;
  }

  .sr-footer {
    flex-direction: column;
  }
}