body {
  font-family: 'Segoe UI', sans-serif;
  background: #121212;
  color: #e0e0e0;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 900px;
  margin: auto;
  background: #1e1e1e;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

h1 { color: #fff; }
.subtitle { color: #aaa; }

input, table, button {
  font-size: 16px;
}

input {
  width: 100%;
  padding: 10px;
  margin: 5px 0;
  background: #2a2a2a;
  border: 1px solid #333;
  border-radius: 8px;
  color: #fff;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td {
  padding: 10px;
  border-bottom: 1px solid #333;
}

button {
  margin: 10px 5px;
  padding: 10px 15px;
  background: #0078d7;
  border: none;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
}

button:hover { background: #005fa3; }

.summary p { margin: 5px 0; }