.cs-wrap {
  font-family: var(--font-display, 'Outfit', 'DM Sans', sans-serif);
  max-width: 680px;
  margin: 0 auto 32px;
}

.cs-shell {
  background: linear-gradient(160deg, #f7faf8 0%, #eef7f2 100%);
  border: 1px solid #cfe4d9;
  border-radius: 22px;
  padding: 22px;
  box-shadow: 0 18px 60px rgba(15, 118, 110, 0.1);
}

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

.cs-kicker {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0f766e;
  margin-bottom: 6px;
}

.cs-title {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 26px;
  font-weight: 800;
  color: #123524;
  margin: 0 0 6px;
}

.cs-subtitle {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #557067;
}

.cs-icon {
  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(15, 118, 110, 0.2);
}

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

.cs-stat {
  background: #fff;
  border: 1px solid #d9e8e0;
  border-radius: 16px;
  padding: 14px;
}

.cs-stat span {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7f75;
  margin-bottom: 4px;
}

.cs-stat strong {
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 24px;
  color: #123524;
}

.cs-card {
  background: #fff;
  border: 1px solid #d9e8e0;
  border-radius: 18px;
  padding: 18px;
}

.cs-prompt {
  font-size: 18px;
  line-height: 1.55;
  font-weight: 600;
  color: #123524;
  margin-bottom: 16px;
}

.cs-categories {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.cs-category {
  min-height: 54px;
  border-radius: 14px;
  border: 2px solid #d9e8e0;
  background: #fff;
  color: #123524;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  padding: 10px 12px;
}

.cs-category:hover:not(:disabled) {
  border-color: #8dc8b6;
  background: #f4fbf8;
  transform: translateY(-1px);
}

.cs-category.correct {
  border-color: #10b981;
  background: #ecfdf5;
}

.cs-category.wrong {
  border-color: #ef4444;
  background: #fef2f2;
}

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

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

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

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

.cs-feedback.summary {
  background: #eefaf6;
  border: 1px solid #bfe6d6;
  color: #1f5f46;
}

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

.cs-btn {
  flex: 1;
  min-height: 44px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, #0f766e, #10b981);
  color: #fff;
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.cs-btn.secondary {
  background: #fff;
  border: 1px solid #d9e8e0;
  color: #4b6358;
}

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

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

  .cs-stats,
  .cs-categories {
    grid-template-columns: 1fr;
  }

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