.aq-kalkulator {
  --aq-border: #d7dde5;
  --aq-muted: #596579;
  --aq-text: #172033;
  --aq-panel: #f7f9fc;
  --aq-accent: #2457c5;
  --aq-error: #b42318;
  --aq-success: #0f6b4f;
  color: var(--aq-text);
  max-width: 920px;
}

.aq-kalkulator * {
  box-sizing: border-box;
}

.aq-kalkulator__intro {
  margin-bottom: 24px;
}

.aq-kalkulator__intro p {
  margin: 0 0 10px;
}

.aq-kalkulator__note,
.aq-kalkulator__source {
  color: var(--aq-muted);
  font-size: 0.95rem;
}

.aq-kalkulator__form {
  display: grid;
  gap: 14px;
}

.aq-kalkulator__question {
  border: 1px solid var(--aq-border);
  border-radius: 8px;
  margin: 0;
  padding: 18px;
  background: #fff;
}

.aq-kalkulator__question--missing {
  border-color: var(--aq-error);
  box-shadow: 0 0 0 2px rgba(180, 35, 24, 0.12);
}

.aq-kalkulator__question legend {
  display: flex;
  gap: 8px;
  width: 100%;
  margin: 0 0 14px;
  padding: 0;
  font-weight: 700;
  line-height: 1.45;
}

.aq-kalkulator__number {
  color: var(--aq-accent);
  flex: 0 0 auto;
}

.aq-kalkulator__answers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.aq-kalkulator__answer {
  align-items: flex-start;
  background: var(--aq-panel);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  gap: 8px;
  min-height: 54px;
  padding: 10px;
}

.aq-kalkulator__answer:has(input:checked) {
  background: #eef4ff;
  border-color: var(--aq-accent);
}

.aq-kalkulator__answer input {
  flex: 0 0 auto;
  margin-top: 0.2em;
}

.aq-kalkulator__answer span {
  font-size: 0.94rem;
  line-height: 1.25;
}

.aq-kalkulator__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.aq-kalkulator__button {
  appearance: none;
  background: var(--aq-accent);
  border: 1px solid var(--aq-accent);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 44px;
  padding: 10px 16px;
}

.aq-kalkulator__button--secondary {
  background: #fff;
  color: var(--aq-accent);
}

.aq-kalkulator__button:focus-visible,
.aq-kalkulator__answer:focus-within {
  outline: 3px solid rgba(36, 87, 197, 0.28);
  outline-offset: 2px;
}

.aq-kalkulator__error {
  color: var(--aq-error);
  font-weight: 700;
  margin: 4px 0 0;
}

.aq-kalkulator__result {
  align-items: baseline;
  background: #edfdf6;
  border: 1px solid rgba(15, 107, 79, 0.24);
  border-radius: 8px;
  color: var(--aq-success);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  padding: 18px;
}

.aq-kalkulator__result-label {
  font-weight: 700;
}

.aq-kalkulator__result strong {
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1;
}

.aq-kalkulator__result-note {
  color: var(--aq-text);
  flex: 1 0 100%;
  font-size: 0.98rem;
  line-height: 1.5;
  margin: 4px 0 0;
}

.aq-kalkulator__result-actions {
  display: flex;
  flex: 1 0 100%;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.aq-kalkulator__copy-status {
  color: var(--aq-muted);
  flex: 1 0 100%;
  font-size: 0.92rem;
  margin: 0;
}

.aq-kalkulator__source {
  margin-top: 18px;
}

@media (max-width: 780px) {
  .aq-kalkulator__answers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .aq-kalkulator__question {
    padding: 14px;
  }

  .aq-kalkulator__answers {
    grid-template-columns: 1fr;
  }

  .aq-kalkulator__button {
    width: 100%;
  }
}