/* =========================================================================
 * Vanishing Acts Registration Form Styles
 * ========================================================================= */

.va-registration-container {
  margin: 40px auto;
  padding: 30px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 表單標題區 */
.va-reg-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.va-reg-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: #23e2d0;
}

.va-reg-subtitle {
  font-size: 18px;
  margin: 0 0 8px 0;
  font-weight: 600;
}

.va-reg-date {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.va-reg-date i {
  margin-right: 5px;
}

/* 表單群組 */
.va-form-group {
  margin-bottom: 24px;
}

.va-form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
}

.va-form-group .required {
  color: #ff6b6b;
}

/* 輸入框 */
.va-form-group input[type="text"],
.va-form-group input[type="email"],
.va-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-size: 15px;
  color: inherit;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.va-form-group input[type="text"]:focus,
.va-form-group input[type="email"]:focus,
.va-form-group textarea:focus {
  outline: none;
  border-color: #23e2d0;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(35, 226, 208, 0.1);
}

.va-form-group textarea {
  resize: vertical;
  min-height: 80px;
  font-family: inherit;
}

/* 單選框群組 */
.va-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.va-radio-group label {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: normal;
  margin-bottom: 0;
}

.va-radio-group label:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(35, 226, 208, 0.3);
}

.va-radio-group input[type="radio"] {
  margin-right: 10px;
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: #23e2d0 !important;
  border-color: #23e2d0 !important;
}

/* 複選框群組 */
.va-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.va-checkbox-group label {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: normal;
  margin-bottom: 0;
}

.va-checkbox-group label:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(35, 226, 208, 0.3);
}

.va-checkbox-group input[type="checkbox"] {
  margin-right: 10px;
  cursor: pointer;
  width: 18px;
  height: 18px;
  accent-color: #23e2d0;
}

/* 其他選項輸入框 */
.va-other-input {
  margin-top: 10px;
  width: 100%;
}

/* 條件顯示欄位 */
.va-conditional-field {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 送出按鈕 */
.va-form-actions {
  margin-top: 32px;
  text-align: center;
}

.va-submit-btn {
  display: inline-block;
  padding: 14px 40px;
  background: #23e2d0;
  color: #23e2d0 !important;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 200px;
}

.va-submit-btn:hover {
  background: #23e2d0 !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(35, 226, 208, 0.3);
  color: #000 !important;
}

.va-submit-btn:active {
  transform: translateY(0);
}

.va-submit-btn:disabled {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
  transform: none;
}

/* 訊息區 */
.va-form-message {
  margin-top: 20px;
  padding: 16px;
  border-radius: 8px;
  font-size: 15px;
  text-align: center;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.va-form-message.success {
  background: rgba(35, 226, 208, 0.15);
  border: 1px solid rgba(35, 226, 208, 0.3);
  color: #23e2d0;
}

.va-form-message.error {
  background: rgba(255, 107, 107, 0.15);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: #ff6b6b;
}

/* 載入動畫 */
.va-submit-btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 10px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 響應式設計 */
@media (max-width: 768px) {
  .va-registration-container {
    margin: 20px 10px;
    padding: 20px 16px;
  }
  
  .va-reg-title {
    font-size: 20px;
  }
  
  .va-reg-subtitle {
    font-size: 16px;
  }
  
  .va-submit-btn {
    width: 100%;
    min-width: unset;
  }
}

/* 深色模式優化 */
@media (prefers-color-scheme: dark) {
  .va-form-group input[type="text"],
  .va-form-group input[type="email"],
  .va-form-group textarea {
    background: rgba(255, 255, 255, 0.06);
  }
}

/* 錯誤狀態 */
.va-form-group.error input,
.va-form-group.error textarea {
  border-color: #ff6b6b;
}

.va-form-group .error-message {
  display: block;
  margin-top: 6px;
  color: #ff6b6b;
  font-size: 13px;
}