* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  animation: backgroundShift 10s ease-in-out infinite alternate;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  -webkit-overflow-scrolling: touch;
  overflow-x: hidden;
}

@keyframes backgroundShift {
  0% { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
  100% { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
}

/* 移动端适配 - 容器样式已移至navigation.css */

/* 页面内标题样式 */
h1, h2, h3 {
  background: linear-gradient(45deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGlow 2s ease-in-out infinite alternate;
}

h1 {
  font-size: 2em;
  font-weight: 700;
  margin: 0 0 10px 0;
}

h2 {
  font-size: 1.6em;
  font-weight: 600;
  margin: 0 0 20px 0;
}

h3 {
  font-size: 1.3em;
  font-weight: 600;
  margin: 20px 0 15px 0;
}

@keyframes titleGlow {
  from { text-shadow: 0 0 20px rgba(102, 126, 234, 0.5); }
  to { text-shadow: 0 0 30px rgba(118, 75, 162, 0.8); }
}

/* 移动端标题适配 */
@media (max-width: 768px) {
  h1 {
    font-size: 1.6em;
  }

  h2 {
    font-size: 1.4em;
  }

  h3 {
    font-size: 1.2em;
  }
}

.form-group {
  margin-bottom: 25px;
  animation: slideInLeft 0.6s ease-out;
  animation-fill-mode: both;
}

.form-group:nth-child(odd) {
  animation-delay: 0.1s;
}

.form-group:nth-child(even) {
  animation-delay: 0.2s;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 移动端表单组适配 */
@media (max-width: 768px) {
  .form-group {
    margin-bottom: 20px;
  }
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, select, textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #e1e5e9;
  border-radius: 12px;
  box-sizing: border-box;
  font-size: 16px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(5px);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 1);
}

input:hover, select:hover, textarea:hover {
  border-color: #667eea;
  transform: translateY(-1px);
}

textarea {
  height: 150px;
  resize: vertical;
}

/* 移动端输入框适配 */
@media (max-width: 768px) {
  input, select, textarea {
    padding: 12px;
    font-size: 16px; /* 防止iOS缩放 */
    border-radius: 8px;
  }
  
  /* 移动端下拉箭头 */
  select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
  }
  
  textarea {
    height: 120px;
    resize: none;
  }
  
  label {
    font-size: 13px;
    margin-bottom: 6px;
  }
}

button {
  padding: 15px 25px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  margin-right: 10px;
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-height: 48px; /* 移动端触摸友好 */
  touch-action: manipulation;
}

button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

button:hover::before {
  left: 100%;
}

button:hover {
  background: linear-gradient(45deg, #764ba2, #667eea);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

button:active {
  transform: translateY(-1px);
  box-shadow: 0 5px 10px rgba(102, 126, 234, 0.3);
}

/* 移动端按钮适配 */
@media (max-width: 768px) {
  button {
    padding: 12px 20px;
    font-size: 14px;
    margin-right: 8px;
    margin-bottom: 8px;
    border-radius: 8px;
    min-height: 44px;
    width: auto;
    flex: 1;
  }
  
  /* 主要按钮全宽 */
  button[type="submit"] {
    width: 100%;
    margin-right: 0;
  }
}



.export-btn {
  background: linear-gradient(45deg, #4CAF50, #45a049);
  margin-left: 10px;
}

.export-btn:hover {
  background: linear-gradient(45deg, #45a049, #4CAF50);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(76, 175, 80, 0.3);
}

.preview {
  margin-top: 30px;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: 25px;
  border-radius: 15px;
  white-space: pre-wrap;
  border: 1px solid rgba(102, 126, 234, 0.1);
  animation: slideInUp 0.5s ease-out;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 移动端预览区域适配 */
@media (max-width: 768px) {
  .preview {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
  }
}

.code-management, .issue-management {
  margin-top: 40px;
  padding: 25px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
  border-radius: 15px;
  border: 1px solid rgba(102, 126, 234, 0.1);
  animation: fadeInScale 0.6s ease-out;
  animation-delay: 0.3s;
  animation-fill-mode: both;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.code-management .form-group > div,
.issue-management .form-group > div {
  display: flex;
  gap: 10px;
  align-items: stretch;
  flex-wrap: wrap;
}

.code-management input, .code-management select,
.issue-management input, .issue-management select {
  flex: 1;
  min-width: 200px;
  margin-right: 0;
}

.code-management button, .issue-management button {
  flex-shrink: 0;
  min-width: 80px;
  white-space: nowrap;
}

/* 移动端编码管理和问题管理适配 */
@media (max-width: 768px) {
  .code-management, .issue-management {
    margin-top: 25px;
    padding: 15px;
  }

  .code-management .form-group, .issue-management .form-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .code-management .form-group > div, .issue-management .form-group > div {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .code-management input, .code-management select,
  .issue-management input, .issue-management select {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0;
    min-width: auto;
  }

  .code-management button, .issue-management button {
    width: 100%;
    margin-right: 0;
    padding: 12px;
    font-size: 16px;
    min-width: auto;
  }
}

/* 超小屏幕适配 */
@media (max-width: 480px) {
  .code-management .form-group > div,
  .issue-management .form-group > div {
    gap: 8px;
  }

  .code-management input, .code-management select,
  .issue-management input, .issue-management select {
    font-size: 14px;
    padding: 10px;
  }

  .code-management button, .issue-management button {
    font-size: 14px;
    padding: 10px;
  }
}

.code-list-item {
  margin: 10px 0;
  padding: 12px 15px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  transition: all 0.3s ease;
  animation: slideInRight 0.4s ease-out;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 50px; /* 移动端触摸友好 */
  gap: 10px;
}

.code-list-item:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateX(5px);
}

.code-text {
  flex: 1;
  cursor: pointer;
  padding: 8px 0;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: #333;
  transition: color 0.3s ease;
}

.code-text:hover {
  color: #667eea;
}

.delete-btn {
  background: linear-gradient(135deg, #ff6b6b, #ee5a52);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  min-width: 50px;
}

.delete-btn:hover {
  background: linear-gradient(135deg, #ff5252, #e53935);
  transform: scale(1.05);
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 移动端编码列表适配 */
@media (max-width: 768px) {
  .code-list-item {
    margin: 8px 0;
    padding: 12px 15px;
    gap: 15px;
  }

  .code-text {
    font-size: 15px;
    padding: 8px 0;
  }

  .delete-btn {
    min-width: 60px;
    padding: 8px 12px;
    font-size: 13px;
  }
}





.history-management {
  margin-top: 40px;
  padding: 25px;
  background: linear-gradient(135deg, rgba(118, 75, 162, 0.05), rgba(102, 126, 234, 0.05));
  border-radius: 15px;
  border: 1px solid rgba(118, 75, 162, 0.1);
  animation: fadeInScale 0.6s ease-out;
  animation-delay: 0.5s;
  animation-fill-mode: both;
}

/* 移动端历史记录适配 */
@media (max-width: 768px) {
  .history-management {
    margin-top: 25px;
    padding: 15px;
  }
}

.history-item {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  margin: 15px 0;
  padding: 20px;
  border-radius: 12px;
  border-left: 4px solid #667eea;
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
  animation: historyItemSlide 0.5s ease-out;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.history-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  border-left-color: #764ba2;
}

@keyframes historyItemSlide {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 移动端历史记录项适配 */
@media (max-width: 768px) {
  .history-item {
    margin: 10px 0;
    padding: 15px;
    border-radius: 8px;
  }
}

.history-date {
  font-weight: 700;
  color: #333;
  margin-bottom: 15px;
  border-bottom: 2px solid #667eea;
  padding-bottom: 8px;
  font-size: 18px;
  background: linear-gradient(45deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.history-content {
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border: 1px solid rgba(102, 126, 234, 0.1);
}

.history-meta {
  font-size: 13px;
  color: #666;
  margin-bottom: 15px;
  font-weight: 500;
}

.history-actions {
  text-align: right;
}

/* 移动端历史记录操作适配 */
@media (max-width: 768px) {
  .history-actions {
    text-align: center;
    margin-top: 10px;
  }

  .history-actions button {
    margin: 0 4px;
    flex: none;
    width: auto;
  }

  .history-content {
    font-size: 13px;
    padding: 12px;
    line-height: 1.5;
  }

  .history-meta {
    font-size: 12px;
    margin-bottom: 12px;
  }

  .history-date {
    font-size: 16px;
    margin-bottom: 12px;
  }
}

.copy-history-btn {
  background: linear-gradient(45deg, #2196F3, #21CBF3);
  font-size: 12px;
  padding: 8px 15px;
}

.copy-history-btn:hover {
  background: linear-gradient(45deg, #1976D2, #1CB5E0);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(33, 150, 243, 0.3);
}

.clear-history-btn {
  background: linear-gradient(45deg, #ff9800, #ff5722);
  margin-left: 10px;
}

.clear-history-btn:hover {
  background: linear-gradient(45deg, #f57c00, #e64a19);
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(255, 152, 0, 0.3);
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(102, 126, 234, 0.3);
  border-radius: 50%;
  border-top-color: #667eea;
  animation: spin 1s ease-in-out infinite;
}

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

/* 成功提示动画 */
.success-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(45deg, #4CAF50, #45a049);
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(76, 175, 80, 0.3);
  animation: successSlide 0.5s ease-out;
  z-index: 1000;
}

@keyframes successSlide {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 移动端成功消息适配 */
@media (max-width: 768px) {
  .success-message {
    top: 10px;
    right: 10px;
    left: 10px;
    text-align: center;
    font-size: 14px;
    padding: 12px 20px;
  }
}