body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #05083c;
  color: white;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 40px auto;
  background: #0a0f5a;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
}

button {
  background: #1eb6ff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

input, select {
  padding: 8px;
  border-radius: 6px;
  border: none;
  margin: 5px 0;
}

.high-priority {
  background: #e6f3ff;
  color: black;
}

.completed {
  background: #e8ffe8;
  color: black;
  text-decoration: line-through;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.table th, .table td {
  border-bottom: 1px solid #aaa;
  padding: 8px;
  text-align: left;
}