:root {
  --primary-color: #3498db;
  --secondary-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --text-color: #333;
  --bg-color: #f9f9f9;
  --card-bg: #ffffff;
  --border-color: #ddd;
  --shadow-color: rgba(0, 0, 0, 0.1);
}

/* 深色主题 */
[data-theme="dark"] {
  --primary-color: #5dade2;
  --secondary-color: #58d68d;
  --danger-color: #ec7063;
  --warning-color: #f7dc6f;
  --text-color: #e8e8e8;
  --bg-color: #1a1a1a;
  --card-bg: #2d2d2d;
  --border-color: #404040;
  --shadow-color: rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 10px var(--shadow-color);
  padding: 20px;
  margin-bottom: 20px;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-success {
  background-color: var(--secondary-color);
  color: white;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--card-bg);
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

.header {
  background-color: var(--card-bg);
  box-shadow: 0 2px 10px var(--shadow-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
}

.nav-link.active {
  color: var(--primary-color);
}

.theme-toggle-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background-color 0.3s ease, transform 0.2s ease;
  margin-left: 15px;
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
  transform: scale(1.1);
}

.theme-toggle-btn:active {
  transform: scale(0.95);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
  
  .nav {
    flex-direction: column;
    gap: 15px;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }
  
  .theme-toggle-btn {
    margin-left: 0;
  }
}

.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

.profit {
  color: var(--secondary-color);
}

.loss {
  color: var(--danger-color);
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background-color: var(--secondary-color);
  color: white;
}

.badge-danger {
  background-color: var(--danger-color);
  color: white;
}

.badge-warning {
  background-color: var(--warning-color);
  color: white;
}

.review-section {
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
}

.review-section:last-child {
  border-bottom: none;
}

.review-section h4,
.review-section h5 {
  margin-bottom: 8px;
  color: var(--primary-color);
  font-size: 14px;
}

.review-actions {
.review-actions {
  display: flex;
  gap: 10px;
}

/* 语音输入相关样式 */
.voice-input-section {
  border: 2px dashed var(--border-color);
  transition: border-color 0.3s ease;
}

.voice-input-section:hover {
  border-color: var(--primary-color);
}

.voice-recording {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.voice-result-preview {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-left: 4px solid var(--primary-color);
}

/* 持仓管理页面样式 */
.chart-container {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.chart-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 15px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 2px;
}

.legend-text {
  flex: 1;
}

.profit-loss-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 15px;
}

.profit-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stock-name {
  width: 80px;
  font-size: 12px;
  text-align: right;
  flex-shrink: 0;
}

.bar-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.bar {
  height: 20px;
  border-radius: 2px;
  min-width: 2px;
  transition: width 0.3s ease;
}

.profit-bar-positive {
  background-color: var(--secondary-color);
}

.profit-bar-negative {
  background-color: var(--danger-color);
}

.bar-value {
  font-size: 12px;
  font-weight: 500;
  min-width: 80px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .chart-container canvas {
    width: 250px !important;
    height: 250px !important;
  }
  
  .stock-name {
    width: 60px;
    font-size: 11px;
  }
  
  .bar-value {
    font-size: 11px;
    min-width: 70px;
  }
}