.kinopy-onkabu-calculator {
  --onkabu-green: #166534;
  --onkabu-green-light: #ecfdf5;
  --onkabu-border: #d1d5db;
  --onkabu-text: #1f2937;
  --onkabu-muted: #5f6b7a;
  margin: 1.75rem 0;
  padding: clamp(1rem, 3vw, 1.75rem);
  border: 2px solid #86b99a;
  border-radius: 14px;
  background: #fff;
  color: var(--onkabu-text);
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
}

.kinopy-onkabu-calculator * {
  box-sizing: border-box;
}

.kinopy-onkabu-calculator__title {
  margin: 0 0 0.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--onkabu-green);
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  line-height: 1.45;
}

.kinopy-onkabu-calculator__intro {
  margin: 0 0 1.25rem;
}

.kinopy-onkabu-calculator__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.kinopy-onkabu-calculator__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0;
  font-weight: 700;
}

.kinopy-onkabu-calculator__field input,
.kinopy-onkabu-calculator__field select {
  width: 100%;
  min-height: 46px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--onkabu-border);
  border-radius: 8px;
  background: #fff;
  color: var(--onkabu-text);
  font: inherit;
  font-weight: 400;
}

.kinopy-onkabu-calculator__field input:focus,
.kinopy-onkabu-calculator__field select:focus {
  outline: 3px solid rgba(22, 101, 52, 0.2);
  border-color: var(--onkabu-green);
}

.kinopy-onkabu-calculator__field small {
  color: var(--onkabu-muted);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.5;
}

.kinopy-onkabu-calculator__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.kinopy-onkabu-calculator__submit,
.kinopy-onkabu-calculator__reset {
  min-height: 46px;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.kinopy-onkabu-calculator__submit {
  border: 2px solid var(--onkabu-green);
  background: var(--onkabu-green);
  color: #fff;
}

.kinopy-onkabu-calculator__reset {
  border: 1px solid var(--onkabu-border);
  background: #fff;
  color: var(--onkabu-text);
}

.kinopy-onkabu-calculator__submit:hover,
.kinopy-onkabu-calculator__submit:focus-visible {
  background: #0f4f29;
}

.kinopy-onkabu-calculator__reset:hover,
.kinopy-onkabu-calculator__reset:focus-visible {
  background: #f3f4f6;
}

.kinopy-onkabu-calculator__error {
  margin: 1rem 0 0;
  padding: 0.75rem;
  border-left: 4px solid #b91c1c;
  background: #fef2f2;
  color: #991b1b;
}

.kinopy-onkabu-calculator__result {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 10px;
  background: var(--onkabu-green-light);
}

.kinopy-onkabu-calculator__headline {
  margin: 0 0 1rem;
  color: var(--onkabu-green);
  font-size: 1.08rem;
  font-weight: 700;
}

.kinopy-onkabu-calculator__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0;
}

.kinopy-onkabu-calculator__metrics > div {
  padding: 0.65rem;
  border: 1px solid #b7ddc4;
  border-radius: 8px;
  background: #fff;
}

.kinopy-onkabu-calculator__metrics > div.is-emphasis {
  border-width: 2px;
  border-color: var(--onkabu-green);
}

.kinopy-onkabu-calculator__metrics dt {
  margin: 0 0 0.25rem;
  color: var(--onkabu-muted);
  font-size: 0.8rem;
}

.kinopy-onkabu-calculator__metrics dd {
  margin: 0;
  color: var(--onkabu-text);
  font-size: 1.08rem;
  font-weight: 700;
}

.kinopy-onkabu-calculator__comparison {
  margin: 1rem 0 0;
  padding: 0.75rem;
  border-left: 4px solid #2563eb;
  background: #eff6ff;
}

.kinopy-onkabu-calculator__notes {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
  color: var(--onkabu-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .kinopy-onkabu-calculator__grid,
  .kinopy-onkabu-calculator__metrics {
    grid-template-columns: 1fr;
  }

  .kinopy-onkabu-calculator__actions button {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .kinopy-onkabu-calculator *,
  .kinopy-onkabu-calculator *::before,
  .kinopy-onkabu-calculator *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}