body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: linear-gradient(to right, #f5f5f5, #e0e0e0);
  text-align: center;
}

header {
  background: #ff6b00;
  color: white;
  padding: 20px;
}

.container {
  margin: 30px auto;
  width: 90%;
  max-width: 400px;
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.input-group {
  display: flex;
  gap: 5px;
}

.input-group input {
  flex: 1;
}

input, select {
  width: 95%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
}

button {
  padding: 12px;
  background: #25D366;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.input-group button {
  width: 45px;
  background: #ff6b00;
}

footer {
  margin-top: 20px;
  background: #111;
  color: white;
  text-align: 15px;
  font-size: 14px;
}
footer a {
  color: #00ffcc;
  text-decoration: none;
}