/* 회원가입 화면: 업종 선택 카드 (registration/_industry_choice.html). 색은 tokens.css 토큰만 쓴다.
   카드는 실제 <input type="radio"> 를 품은 <label> 이라 키보드(Tab, 방향키)·스크린리더가 그대로 동작한다. */

.su-card { max-width: 500px; }

.su-industry { min-width: 0; margin: 0; padding: 0; border: 0; }
.su-legend { float: none; width: auto; padding: 0; font-size: 0.875rem; line-height: 1.5; }

.su-options { display: grid; gap: 0.5rem; }

.su-option {
  position: relative; display: grid; grid-template-columns: auto auto minmax(0, 1fr); align-items: center;
  gap: 0.75rem; margin: 0; padding: 0.75rem 0.9rem; cursor: pointer;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.su-option:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }

/* The native radio stays visible: it is the state indicator and the focus target. */
.su-option-input {
  flex: none; width: 1.05rem; height: 1.05rem; margin: 0; cursor: pointer; accent-color: var(--accent);
}
.su-option-input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.su-option-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem;
  font-size: 1.15rem; color: var(--accent); background: var(--accent-soft); border-radius: var(--radius-sm);
}
.su-option-text { display: flex; flex-direction: column; gap: 0.1rem; min-width: 0; }
.su-option-label { font-size: 0.925rem; font-weight: 700; }
.su-option-desc {
  font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; word-break: keep-all; overflow-wrap: anywhere;
}

.su-option:has(.su-option-input:checked) {
  border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent);
}
.su-option:has(.su-option-input:checked) .su-option-icon { color: var(--surface); background: var(--accent); }

/* Where :has() works the whole card carries the focus ring instead of the small radio. */
@supports selector(:has(*)) {
  .su-option:has(.su-option-input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
  .su-option-input:focus-visible { outline: none; }
}

.su-industry.is-invalid .su-option { border-color: var(--danger); }

@media (max-width: 479.98px) {
  .su-page { padding: 1rem 0.75rem; }
  .su-page .su-card { padding: 1.5rem 1.1rem; }
  .su-option { gap: 0.6rem; padding: 0.7rem 0.75rem; }
  .su-option-icon { width: 2rem; height: 2rem; font-size: 1.05rem; }
}

@media (prefers-reduced-motion: reduce) {
  .su-option { transition: none; }
}