.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.radio-group {
  display: flex;
  gap: 1.5rem;
  padding: 0.6rem 0;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1rem;
  color: var(--text);
  cursor: pointer;
}
.radio-label input[type="radio"] { cursor: pointer; accent-color: var(--blue); }

.result-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: none;
}
.result-box.show { display: block; }

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.result-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-align: center;
}
.result-item.highlight {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: #bfdbfe;
}
.result-label { font-size: 0.8rem; color: var(--text-sub); margin-bottom: 0.4rem; }
.result-value { font-size: 2rem; font-weight: 700; color: var(--blue); }
.result-unit { font-size: 0.75rem; color: var(--text-sub); margin-top: 0.2rem; }

.goal-section { margin-top: 0.5rem; }
.goal-title { font-size: 0.875rem; font-weight: 600; color: var(--text-sub); margin-bottom: 0.75rem; }
.goal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.goal-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
}
.goal-loss-1 { border-color: #fed7aa; background: #fff7ed; }
.goal-loss-2 { border-color: #fca5a5; background: #fef2f2; }
.goal-gain   { border-color: #bbf7d0; background: #f0fdf4; }
.goal-label { font-size: 0.75rem; color: var(--text-sub); margin-bottom: 0.4rem; line-height: 1.4; }
.goal-label small { font-size: 0.7rem; }
.goal-value { font-size: 1.4rem; font-weight: 700; color: var(--text); }
.goal-unit { font-size: 0.7rem; color: var(--text-sub); margin-top: 0.15rem; }

.goal-loss-1 .goal-value { color: var(--orange); }
.goal-loss-2 .goal-value { color: var(--red); }
.goal-gain   .goal-value { color: var(--green-dk); }

.disclaimer { font-size: 0.75rem; color: var(--text-sub); margin-top: 1.2rem; }

html[data-theme="dark"] .result-item.highlight {
  background: linear-gradient(135deg, #1e3a5f, #1e2d4f);
  border-color: #1e40af;
}
html[data-theme="dark"] .goal-loss-1 { background: #2d1a0a; border-color: #7c3a1a; }
html[data-theme="dark"] .goal-loss-2 { background: #2d0f0f; border-color: #7c1a1a; }
html[data-theme="dark"] .goal-gain   { background: #0a1f12; border-color: #166534; }

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .goal-grid { grid-template-columns: 1fr 1fr; }
}