.grey{
  background-color: #2a2d3f;
}
*{
  box-sizing: border-box;
}
html, body{
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(145deg, #10131c 0%, #20263a 100%);
  color: #e2e7f2;
  min-height: 100%;
}
body{
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 16px;
}
body > div{
  background: rgba(18, 22, 40, 0.95);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 18px 45px rgba(2,8,20,0.35);
  width: min(95vw, 1180px);
  padding: 20px;
}
textarea, input[type=text], input[type=number], button{
  font-family: inherit;
  font-size: 0.95rem;
}
textarea{
  width: 100%;
  min-height: 180px;
  border-radius: 12px;
  border: 1px solid rgba(148, 161, 193, 0.4);
  background: rgba(25, 31, 47, 0.9);
  color: #f1f4ff;
  padding: 12px;
  resize: vertical;
}
input[type=text], input[type=number] {
  border: 1px solid rgba(148, 161, 193, 0.4);
  background: rgba(22, 27, 45, 0.95);
  color: #e9edff;
  border-radius: 8px;
  padding: 8px 10px;
  margin: 4px 0;
}
button{
  background: linear-gradient(135deg, #5470f5 0%, #6e8ef2 100%);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: white;
  padding: 8px 14px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease;
}
button:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(53, 102, 231, 0.4);
}
button:active{
  transform: translateY(1px);
}
table{
  width: 100%;
  border-collapse: collapse;
  background: rgba(18, 23, 41, 0.95);
  border: 1px solid rgba(255,255,255,0.08);
}
th, td{
  border: 1px solid rgba(255,255,255,0.08);
  padding: 8px;
  text-align: center;
  font-size: 0.85rem;
}
th{
  background: rgba(67, 82, 137, 0.4);
  color: #f4f7ff;
}
td{
  background: rgba(31, 38, 63, 0.7);
}
#registerTable, #memoryTable, #IOTable{
  margin: 12px 0;
  border-radius: 12px;
  overflow: hidden;
}