:root{--color-form-bg:rgba(215,215,215,0.26)}
/* Contact Overlay Styles */
.contact-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 4000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, backdrop-filter 0.3s ease;
}

#contact-overlay-btn{
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 0.5rem 0;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.contact-overlay.active {
  opacity: 1;
  visibility: visible;
}

.contact-overlay .contact-overlay-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.contact-overlay .contact-overlay-content {
  position: absolute;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 500px;
  height: 100%;
  background-color: var(--color-fg);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.contact-overlay.active .contact-overlay-content {
  right: 0;
}

.contact-overlay .contact-overlay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 1rem;
}

.contact-overlay .contact-overlay-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-bg);
}

.contact-overlay .close-btn {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-muted);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-overlay .close-btn:hover {
  background-color: var(--color-muted);
  color: var(--color-fg);
}

.contact-overlay .close-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.contact-overlay .contact-overlay-form {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.contact-overlay .form-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--color-form-bg);
  padding: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.contact-overlay .form-group label {
  min-width: 100px;
  font-weight: 500;
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 0;
  flex-shrink: 0;
}

.contact-overlay .form-group input,
.contact-overlay .form-group textarea,
.contact-overlay .form-group select {
  flex: 1;
  padding: 0.75rem;
  border: none;
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background-color: transparent;
  color: var(--color-bg);
}

.contact-overlay .form-group input:focus,
.contact-overlay .form-group textarea:focus,
.contact-overlay .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 에러 상태 스타일 */
.contact-overlay .form-group input.error,
.contact-overlay .form-group textarea.error,
.contact-overlay .form-group select.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.contact-overlay .form-group input.error:focus,
.contact-overlay .form-group textarea.error:focus,
.contact-overlay .form-group select.error:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* 데이트피커 스타일 */
.contact-overlay .date-picker {
  appearance: none;
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* select 요소 스타일링 */
.contact-overlay .form-group select {
  appearance: none;
  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 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.contact-overlay .form-group select:focus {
  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='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

.contact-overlay .error-message {
  color: #ef4444;
  font-size: 0.875rem;
  min-height: 1.25rem;
}

.contact-overlay .submit-btn {
  background-color: var(--color-bg);
  color: var(--color-fg);
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: not-allowed;
  transition: all 0.2s ease;
  margin-top: 1rem;
  opacity: 0.6;
  position: relative;
  border: none;
}

.contact-overlay .submit-btn:disabled {
  background-color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

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

.contact-overlay .submit-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.contact-overlay .submit-btn.active {
  background: var(--color-bg);
  cursor: pointer;
  opacity: 1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
  color: var(--color-fg);
  padding: 1.5rem 1.5rem;
  margin-top: 0rem;
}

.contact-overlay .submit-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 64px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  background-color: var(--color-bg);
}

/* 헤더의 Contact 버튼 스타일 */
.contact-overlay .contact-btn {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  padding: 0.5rem 0;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

/* 개인정보 처리방침 동의 섹션 */
.contact-overlay .privacy-agreement {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: rgba(255, 255, 255, 0);
  padding: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-bottom: 1rem;
  position: relative;
  border: 1px solid var(--color-muted);
  transition: all 0.3s ease;
}

.contact-overlay .privacy-agreement.checked {
  background-color: var(--color-bg);
  border-color: var(--color-muted);
}

.contact-overlay .privacy-agreement.checked .privacy-checkbox label {
  color: var(--color-muted);
  font-weight: 600;
}

.contact-overlay .privacy-agreement.checked .privacy-modal-btn {
  color: var(--color-muted);
}

.contact-overlay .privacy-agreement.checked .privacy-modal-btn:hover {
  background-color: var(--color-muted);
  color: var(--color-bg);
}

.contact-overlay .privacy-checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.contact-overlay .privacy-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.contact-overlay .privacy-checkbox label {
  font-size: 0.9rem;
  color: var(--color-muted);
  cursor: pointer;
  margin: 0;
  user-select: none;
}

.contact-overlay .privacy-modal-btn {
  background: none;
  border: none;
  color: var(--color-bg);
  cursor: pointer;
  padding: 0.5rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-overlay .privacy-modal-btn:hover {
  background-color: var(--color-muted);
  color: var(--color-bg);
  transform: scale(1.05);
}

.contact-overlay .privacy-modal-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* 반응형 디자인 */
@media (max-width: 991px) {
  .contact-overlay .contact-btn {
    padding: 12px 16px;
    background: var(--color-fg);
    color: var(--color-bg);
  }
  
  .contact-overlay .contact-overlay-content {
    max-width: 100%;
  }
  
  .contact-overlay .contact-overlay-header {
    padding: 1.5rem 1.5rem 1rem;
  }
  
  .contact-overlay .contact-overlay-form {
    padding: 1.5rem;
  }
  
  .contact-overlay .contact-overlay-header h2 {
    font-size: 1.25rem;
  }
  
  .contact-overlay .form-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .contact-overlay .form-group label {
    min-width: auto;
    margin-bottom: 0.25rem;
  }
}