body {
  font-family: 'Inter', sans-serif;
  background: #fafafa;
  color: #222;
  margin: 0;
  padding: 0;
  text-align: center;
}

header {
  background: #ff7e00;
  color: white;
  padding: 20px 10px;
}

main {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}

h2 {
  margin-top: 30px;
}

form input, form button {
  padding: 10px;
  margin: 5px;
  border: 1px solid #ccc;
  border-radius: 8px;
}

form button {
  background: #ff7e00;
  color: white;
  border: none;
  cursor: pointer;
}

.progress-bar {
  width: 100%;
  height: 25px;
  background: #ddd;
  border-radius: 12px;
  overflow: hidden;
  margin: 10px 0;
}

.progress {
  height: 100%;
  background: #ff7e00;
  width: 0%;
  transition: width 0.5s ease;
}

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

th, td {
  border: 1px solid #ccc;
  padding: 8px;
}

th {
  background: #ff7e00;
  color: white;
}
footer {
  margin-top: 40px;
  padding: 10px;
  background: #f2f2f2;
  color: #444;
  font-size: 0.9em;
}

input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input, button {
  font-size: 1em;
}

button:hover {
  opacity: 0.85;
}