/* =========================================
   FORM.CSS — 폼 입력 / 유효성 / 버튼 스타일
   ========================================= */

/* ── 폼 레이아웃 ─────────────────────────── */
.form-wrap {
  max-width: 680px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--sp-5);
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

/* ── 입력 필드 공통 ──────────────────────── */
.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--fs-base);
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-control::placeholder {
  color: var(--color-text-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 110, 0.12);
}

/* textarea */
textarea.form-control {
  min-height: 120px;
  resize: vertical;
  line-height: var(--lh-base);
}

/* select */
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ── 유효성 상태 ─────────────────────────── */
.form-control.is-valid {
  border-color: #27ae60;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M2 7l4 4 6-6' stroke='%2327ae60' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-control.is-invalid {
  border-color: var(--color-error);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Ccircle cx='7' cy='7' r='6' stroke='%23e74c3c' stroke-width='1.5' fill='none'/%3E%3Cpath d='M7 4v4M7 9.5v.5' stroke='%23e74c3c' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ── 오류 메시지 ─────────────────────────── */
.form-msg {
  display: none;
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--sp-1);
  padding-left: 2px;
}

/* ── 체크박스 / 라디오 ───────────────────── */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.form-check input[type='checkbox'],
.form-check input[type='radio'] {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ── 개인정보 동의 박스 ──────────────────── */
.form-agree-box {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-loose);
  max-height: 100px;
  overflow-y: auto;
  margin-bottom: var(--sp-3);
}

/* ── 제출 버튼 ───────────────────────────── */
.form-submit {
  width: 100%;
  padding: 15px;
  font-size: var(--fs-base);
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  color: var(--color-white);
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
  letter-spacing: 0.05em;
}

.form-submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ── 결과 메시지 ─────────────────────────── */
.form-result {
  display: none;
  padding: var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  text-align: center;
  margin-top: var(--sp-4);
}

.form-result--success {
  background: #eafaf1;
  color: #27ae60;
  border: 1px solid #a9dfbf;
}

.form-result--error {
  background: #fdf0ef;
  color: var(--color-error);
  border: 1px solid #f5c6c0;
}

/* ── 반응형 ──────────────────────────────── */
@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .form-control {
    font-size: var(--fs-base);
  } /* iOS 줌 방지: 16px 유지 */
}