/* 메인 컨테이너 */
.participate-container {
  max-width: 940px;
  padding: 0 20px;
  margin: 100px auto;
}

.participate-header {
  padding: 0 0 40px;
  border-bottom: 1px solid var(--border-color);
  color: var(--primary-color);
}

.header-icon {
  gap: 12px;
}

.header-icon i {
  font-size: 46px;
  color: var(--primary-color);
}

.participate-header h3 {
  margin: 0;
  color: #000;
  font-size: 46px;
  font-weight: 600;
  margin-bottom: 10px;
}

.participate-header p {
  margin: 0;
  color: #303030;
  font-size: 18px;
}

.participate-body {
  padding: 40px 0 0;
}

/* 폼 섹션 */
.form-sections {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-section {
  background: var(--bg-lighter);
  border-radius: var(--border-radius);
  padding: 40px;
  border: 1px solid var(--border-color);
  transition: box-shadow 0.3s ease;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
}

.section-header i {
  font-size: 20px;
  color: var(--primary-color);
}

.section-title {
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

/* 폼 그리드 */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 16px;
}

.form-label i {
  font-size: 16px;
  color: var(--primary-color);
}

.form-control {
  width: 100%;
  height: 43px;
  padding: 0 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.3s ease;
  background: #fff;
  color: var(--text-primary);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(178, 30, 35, 0.1);
}

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

.none-focus:focus {
  border-color: var(--border-color);
  box-shadow: none;
}

.form-control:disabled {
  background: #ececec;
  color: var(--text-secondary);
}

.form-select {
  width: 100%;
  height: 43px;
  padding: 0 16px;
  padding-right: 40px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: all 0.3s ease;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(178, 30, 35, 0.1);
}

.date-input-group {
  position: relative;
  display: flex;
  width: 100%;
}

.date-input-group .form-control {
  flex: 1;
}

/* 입력 안내 텍스트 */
.form-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  /* font-style: italic; */
}

.form-text.text-muted {
  color: var(--danger-color);
  font-weight: 500;
}

/* 필수 표시 */
.text-danger {
  color: var(--danger-color) !important;
  font-weight: 700;
}

/* 버튼 스타일 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 277px;
  height: 64px;
  gap: 8px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  text-align: center;
  border-radius: 50px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(178, 30, 35, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(178, 30, 35, 0.4);
}

.btn i {
  font-size: 16px;
}

.btn-lg {
  padding: 20px 80px;
  font-size: 16px;
}

.btn-lg i {
  font-size: 18px;
}

/* 폼 액션 */
.form-actions {
  text-align: center;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

/* 개인정보 처리방침 섹션 */
.privacy-section {
  margin: 40px 0;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-soft);
  max-height: 360px;
  display: flex;
  flex-direction: column;
}

.privacy-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  padding: 15px 30px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.privacy-header-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.privacy-header-content i {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
}

.privacy-header h4 {
  margin: 0;
  color: white;
  font-size: 15px;
  font-weight: 600;
}

.privacy-content {
  padding: 20px 30px;
  background: #fff;
  flex: 1;
  overflow-y: auto;
  max-height: 250px;
}

.privacy-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.privacy-text p {
  margin-bottom: 10px;
}

.privacy-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.privacy-agreement {
  padding: 15px 30px;
  background: var(--bg-light);
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.checkbox-group input[type='checkbox'] {
  margin: 0;
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.checkbox-label i {
  font-size: 16px;
  color: var(--primary-color);
}

/* 안내 정보 섹션 */
.info-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin: 20px 0;
}

.info-item {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 20px;
  transition: all 0.3s ease;
}

.info-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 14px;
}

.info-label i {
  font-size: 18px;
  color: var(--primary-color);
}

.info-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.4;
}

.info-sub {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: 4px;
  display: inline-block;
}

/* 유틸리티 클래스 */
.text-center {
  text-align: center;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .participate-container {
    padding: 0 20px;
    margin: 50px auto;
  }

  .participate-header {
    padding: 0 0 20px;
  }

  .header-icon i {
    font-size: 32px;
  }

  .participate-header h3 {
    font-size: 32px;
  }

  .participate-header p {
    font-size: 16px;
  }

  .participate-body {
    padding: 20px 0 0;
  }

  .form-section {
    padding: 20px;
  }

  .section-header {
    gap: 8px;
  }

  .section-header i {
    font-size: 20px;
  }

  .section-title {
    font-size: 18px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .form-control,
  .form-select {
    height: 41px;
    padding: 0 12px;
    font-size: 15px;
  }

  .btn {
    width: 320px;
    height: 64px;
  }

  .privacy-section {
    max-height: 378px;
    margin: 20px 0;
  }

  .privacy-content {
    padding: 15px 20px;
    max-height: 200px;
  }

  .privacy-agreement {
    padding: 15px 20px;
  }

  .privacy-text {
    font-size: 13px;
  }

  .info-section {
    gap: 12px;
    margin: 15px 0;
  }

  .info-item {
    padding: 15px;
  }

  .info-label {
    font-size: 14px;
  }

  .info-label i {
    font-size: 16px;
  }

  .info-value {
    font-size: 16px;
  }

  .info-sub {
    font-size: 14px;
  }

  .form-actions {
    margin-top: 20px;
    padding-top: 20px;
  }
}