/* 反馈页面样式 */
.feedback-page {
  min-height: calc(100vh - 200px);
  padding: 40px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
}

.feedback-wrapper {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.feedback-header {
  text-align: center;
  margin-bottom: 32px;
}

.feedback-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 8px;
}

.feedback-subtitle {
  color: #64748b;
  font-size: 14px;
}

.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-weight: 600;
  color: #374151;
  font-size: 14px;
}

.form-control {
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.2s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control::placeholder {
  color: #94a3b8;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-text {
  color: #64748b;
  font-size: 12px;
}

.btn-submit {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

/* 成功提示 */
.feedback-success {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: white;
  animation: successPop 0.5s ease-out;
}

@keyframes successPop {
  0% { transform: scale(0); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.feedback-success h3 {
  font-size: 24px;
  color: #1e293b;
  margin-bottom: 8px;
}

.feedback-success p {
  color: #64748b;
  margin-bottom: 24px;
}

/* 错误提示 */
.feedback-error {
  text-align: center;
  padding: 40px 20px;
}

.error-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: white;
}

.feedback-error h3 {
  font-size: 24px;
  color: #1e293b;
  margin-bottom: 8px;
}

.feedback-error p {
  color: #64748b;
  margin-bottom: 24px;
}

/* 移动端适配 */
@media (max-width: 640px) {
  .feedback-wrapper {
    padding: 24px;
    border-radius: 12px;
  }
  
  .feedback-header h1 {
    font-size: 24px;
  }
  
  .btn-submit {
    padding: 12px 24px;
    font-size: 15px;
  }
}