.gil-lesson {
  --gil-border: #d7dee8;
  --gil-text: #162033;
  --gil-muted: #5d6b7d;
  --gil-primary: #1769aa;
  --gil-primary-dark: #0f4f82;
  --gil-success: #14743f;
  --gil-danger: #b42318;
  color: var(--gil-text);
  max-width: 720px;
  margin: 24px 0;
  font-family: inherit;
}

.gil-header {
  align-items: end;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.gil-kicker {
  color: var(--gil-muted);
  font-size: 14px;
  margin: 0 0 4px;
}

.gil-header h2 {
  font-size: 28px;
  line-height: 1.2;
  margin: 0;
}

.gil-count {
  color: var(--gil-muted);
  font-size: 14px;
  white-space: nowrap;
}

.gil-progress {
  background: #e9eef5;
  border-radius: 999px;
  height: 8px;
  margin-bottom: 16px;
  overflow: hidden;
}

.gil-progress span {
  background: var(--gil-primary);
  display: block;
  height: 100%;
  transition: width 180ms ease;
  width: 0;
}

.gil-card {
  border: 1px solid var(--gil-border);
  border-radius: 8px;
  padding: 20px;
}

.gil-question {
  font-size: 20px;
  line-height: 1.45;
  margin: 0 0 18px;
}

.gil-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.gil-input {
  border: 1px solid #aeb8c5;
  border-radius: 6px;
  box-sizing: border-box;
  font: inherit;
  max-width: 100%;
  padding: 11px 12px;
  width: 100%;
}

.gil-input:focus {
  border-color: var(--gil-primary);
  box-shadow: 0 0 0 3px rgba(23, 105, 170, 0.15);
  outline: none;
}

.gil-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.gil-button {
  background: #ffffff;
  border: 1px solid #aeb8c5;
  border-radius: 6px;
  color: var(--gil-text);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 42px;
  padding: 9px 16px;
}

.gil-button:hover,
.gil-button:focus {
  border-color: var(--gil-primary);
  outline: none;
}

.gil-primary {
  background: var(--gil-primary);
  border-color: var(--gil-primary);
  color: #ffffff;
}

.gil-primary:hover,
.gil-primary:focus {
  background: var(--gil-primary-dark);
  border-color: var(--gil-primary-dark);
}

.gil-result {
  font-weight: 700;
  margin-top: 16px;
}

.gil-result.is-correct {
  color: var(--gil-success);
}

.gil-result.is-wrong {
  color: var(--gil-danger);
}

.gil-result.is-finished {
  color: var(--gil-primary-dark);
}

.gil-explanation {
  background: #f5f8fb;
  border-left: 4px solid var(--gil-primary);
  margin-top: 12px;
  padding: 12px 14px;
}

.gil-empty {
  border: 1px solid #d7dee8;
  border-radius: 8px;
  padding: 16px;
}

@media (max-width: 520px) {
  .gil-header {
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }

  .gil-card {
    padding: 16px;
  }

  .gil-header h2 {
    font-size: 24px;
  }
}