/* Paper 组件样式 */
.MuiPaper-root {
  background-color: #1e293b;
}

.MuiPaper-rounded {
  border-radius: 8px;
}

.MuiPaper-outlined {
  border-width: 1px;
  border-color: rgba(148, 163, 184, 0.2);
}

/* 阴影层级 */
.MuiPaper-elevation0 {
  box-shadow: none;
}

.MuiPaper-elevation1 {
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.MuiPaper-elevation2 {
  box-shadow: 0 3px 6px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.12);
}

.MuiPaper-elevation3 {
  box-shadow: 0 10px 20px rgba(0,0,0,0.15), 0 3px 6px rgba(0,0,0,0.10);
}

.MuiPaper-elevation4 {
  box-shadow: 0 15px 25px rgba(0,0,0,0.15), 0 5px 10px rgba(0,0,0,0.05);
}