/* styles.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.app-container {
  display: flex;
  height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  background: white;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* 输入区域样式 */
.input-section {
  width: 350px;
  padding: 25px;
  background: #f8f9fa;
  border-right: 1px solid #e9ecef;
  overflow-y: auto;
}

.input-section h2 {
  margin-bottom: 25px;
  color: #2c3e50;
  font-size: 20px;
  text-align: center;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

#text-input {
  width: 100%;
  padding: 12px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  resize: vertical;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

#text-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.template-selector {
  margin-bottom: 20px;
}

.template-selector label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
  font-size: 14px;
}

#template-select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  font-size: 14px;
  background: white;
  cursor: pointer;
}

/* 示例文本样式 */
.sample-texts {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #e9ecef;
}

.sample-texts label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
  font-size: 12px;
}

.sample-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sample-btn {
  padding: 8px 12px;
  background: #e3f2fd;
  border: 1px solid #bbdefb;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.sample-btn:hover {
  background: #bbdefb;
  transform: translateY(-1px);
}

/* API Key 样式 */
.api-key-section {
  margin-bottom: 20px;
  padding: 15px;
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
}

.api-key-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.api-key-header label {
  font-weight: 600;
  color: #495057;
  font-size: 14px;
  margin: 0;
}

.api-key-toggle {
  background: none;
  border: none;
  color: #6c757d;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.api-key-toggle:hover {
  background: #e9ecef;
  color: #495057;
}

.api-key-input-container {
  position: relative;
}

#api-key-input {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid #e9ecef;
  border-radius: 6px;
  font-size: 13px;
  font-family: 'Courier New', monospace;
  transition: border-color 0.3s ease;
  background: white;
}

#api-key-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#api-key-input::placeholder {
  color: #adb5bd;
  font-family: inherit;
}

.api-key-status {
  margin-top: 8px;
  text-align: right;
}

#api-key-status-text {
  font-size: 12px;
  color: #6c757d;
  font-weight: 500;
}

.api-key-help {
  margin-top: 12px;
}

.api-key-help details {
  cursor: pointer;
}

.api-key-help summary {
  font-size: 12px;
  color: #6c757d;
  padding: 4px 0;
  outline: none;
  user-select: none;
}

.api-key-help summary:hover {
  color: #495057;
}

.help-content {
  margin-top: 8px;
  padding: 10px;
  background: white;
  border-radius: 6px;
  border: 1px solid #e9ecef;
}

.help-content p {
  margin: 4px 0;
  font-size: 12px;
  color: #666;
  line-height: 1.4;
}

.help-content a {
  color: #667eea;
  text-decoration: none;
}

.help-content a:hover {
  text-decoration: underline;
}

.help-content small {
  color: #28a745;
  font-weight: 500;
}

/* 按钮样式 */
.controls {
  margin-top: 25px;
}

.controls button {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.primary-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.primary-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.primary-btn:disabled {
  background: #adb5bd;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  background: #28a745;
  color: white;
}

.secondary-btn:hover:not(:disabled) {
  background: #218838;
  transform: translateY(-1px);
}

.secondary-btn:disabled {
  background: #6c757d;
  cursor: not-allowed;
}

.tertiary-btn {
  background: #6c757d;
  color: white;
}

.tertiary-btn:hover {
  background: #5a6268;
}

/* 加载动画 */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* 状态信息样式 */
.status-info {
  margin-top: 15px;
  min-height: 20px;
}

#status-message {
  font-size: 12px;
  padding: 8px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.status-info .status-info { color: #17a2b8; background: #d1ecf1; }
.status-info .status-success { color: #155724; background: #d4edda; }
.status-info .status-warning { color: #856404; background: #fff3cd; }
.status-info .status-error { color: #721c24; background: #f8d7da; }

/* 输出区域样式 */
.output-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: white;
}

.output-header {
  padding: 20px 25px;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8f9fa;
}

.output-header h3 {
  color: #2c3e50;
  font-size: 18px;
}

.output-info {
  font-size: 14px;
  color: #6c757d;
  display: flex;
  align-items: center;
  gap: 15px;
}

.api-mode-indicator {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 500;
  border: 1px solid;
}

.api-mode-indicator.demo {
  background: #f8f9fa;
  color: #6c757d;
  border-color: #dee2e6;
}

.api-mode-indicator.custom {
  background: #d4edda;
  color: #155724;
  border-color: #c3e6cb;
}

.output-canvas {
  flex: 1;
  padding: 25px;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 0; /* 允许内容自然扩展 */
}

.placeholder {
  text-align: center;
  color: #6c757d;
  padding: 40px;
}

.placeholder-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.placeholder-text {
  font-size: 16px;
  line-height: 1.5;
}

/* 可视化容器样式 */
#output-container {
  width: 100%;
  min-height: 400px;
  /* 移除固定高度，让内容自然扩展 */
}

#output-container svg {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  display: block; /* 确保SVG正确显示 */
}

/* 确保所有可视化容器都能完整显示 */
.timeline-container,
.comparison-container,
.hierarchy-container,
.infographic-container {
  width: 100%;
  max-width: none; /* 移除最大宽度限制 */
  margin: 0;
}

/* 导出时确保内容完整显示 */
@media print {
  .output-canvas {
    overflow: visible !important;
    height: auto !important;
  }
  
  #output-container {
    height: auto !important;
    overflow: visible !important;
  }
}

/* 确保长内容能够正确滚动和显示 */
.output-canvas::-webkit-scrollbar {
  width: 12px;
}

.output-canvas::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 6px;
}

.output-canvas::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 6px;
}

.output-canvas::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.infographic-container {
  max-width: 100%;
  margin: 0 auto;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  border-radius: 12px;
  overflow: hidden;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }
  
  .input-section {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e9ecef;
  }
  
  .output-section {
    min-height: 500px;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}
/* 对比图动画 */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 层级图动画 */
@keyframes hierarchyFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 对比图容器样式 */
.comparison-container {
  animation: fadeIn 0.8s ease;
}

.comparison-container .comparison-item:hover {
  transform: translateY(-5px);
  transition: transform 0.3s ease;
}

/* 层级图容器样式 */
.hierarchy-container {
  animation: fadeIn 0.8s ease;
}

.hierarchy-node {
  cursor: pointer;
  transition: all 0.3s ease;
}

.hierarchy-node:hover {
  filter: brightness(1.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .comparison-container {
    padding: 15px;
  }
  
  .hierarchy-container {
    padding: 15px;
  }
  
  .comparison-container .grid {
    grid-template-columns: 1fr;
  }
}