.swb-mock-builder {
  --builder-border: #d7dde8;
  --builder-bg: #ffffff;
  --builder-muted-bg: #f6f8fc;
  --builder-text: #1d2a3a;
  --builder-accent: #0f4c81;
  max-width: 820px;
  border: 1px solid var(--builder-border);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  padding: 28px 30px;
  box-shadow: 0 12px 28px rgba(19, 39, 67, 0.08);
}

.swb-mock-builder__head {
  margin-bottom: 18px;
}

.swb-mock-builder__title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--builder-text);
}

.swb-mock-builder__section + .swb-mock-builder__section {
  margin-top: 18px;
}

.swb-mock-builder__label {
  margin: 0 0 8px;
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #32465f;
}

.swb-mock-builder__select {
  width: 100%;
  max-width: 360px;
  border: 1px solid #b8c6da;
  border-radius: 12px;
  background: var(--builder-bg);
  color: var(--builder-text);
  padding: 12px 14px;
  font-size: 18px;
  line-height: 1.2;
}

.swb-mock-builder__chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.swb-mock-builder__chip {
  position: relative;
  display: block;
  cursor: pointer;
}

.swb-mock-builder__chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.swb-mock-builder__chip span {
  display: block;
  border: 1px solid #d4deec;
  border-radius: 999px;
  padding: 10px 14px;
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  color: #38506d;
  background: var(--builder-muted-bg);
  transition: all 0.18s ease;
}

.swb-mock-builder__chip input:checked + span {
  border-color: #9fc0ec;
  background: #e8f2ff;
  color: #153f6b;
  box-shadow: inset 0 0 0 1px #b3cff1;
}

.swb-mock-builder__footer {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
}

.swb-mock-builder__time {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  color: var(--builder-text);
}

.swb-mock-builder__submit.mock_exam_button {
  border: 0;
  border-radius: 12px;
  padding: 12px 22px;
  background: var(--builder-accent);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.swb-mock-builder__submit.mock_exam_button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(15, 76, 129, 0.28);
}

@media (max-width: 680px) {
  .swb-mock-builder {
    padding: 20px 16px;
    border-radius: 14px;
  }

  .swb-mock-builder__title {
    font-size: 22px;
  }

  .swb-mock-builder__time {
    font-size: 24px;
  }

  .swb-mock-builder__submit.mock_exam_button {
    width: 100%;
  }
}