body {
  font-family: 'Inter', sans-serif;
  background-color: #f8fafc;
}
.card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}
.card h5 {
  font-weight: 600;
}
#twin-canvas {
  width: 100%;
  height: 300px;
  border-radius: 1rem;
  background: #e9ecef;
}
table th, table td {
  text-align: center !important;
  vertical-align: middle !important;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 60px;
  height: 100%;
  background-color: #969899;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 3rem;
  gap: 1.5rem;
}
.sidebar i {
  color: white;
  font-size: 24px;
  margin: 20px 0;
  cursor: pointer;
}
.container {
  margin-left: 70px;
}