body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #111, #1f1f1f);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.tracker-container {
  background: rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: 30px;
  border-radius: 15px;
  width: 95%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

h1 {
  margin-bottom: 10px;
}

.search-box {
  display: flex;
  margin-top: 20px;
}

.search-box input {
  flex: 1;
  padding: 12px;
  border-radius: 8px 0 0 8px;
  border: none;
  outline: none;
}

.search-box button {
  padding: 12px 20px;
  border: none;
  background: #ff4081;
  color: white;
  font-weight: bold;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  transition: 0.3s;
}

.search-box button:hover {
  background: #ff1f6b;
}

.resultado {
  margin-top: 25px;
  text-align: left;
}

.estado {
  padding: 8px 12px;
  border-radius: 6px;
  display: inline-block;
  font-weight: bold;
}

.pendiente { background: #f1c40f; color: #000; }
.preparando { background: #3498db; }
.enviado { background: #e67e22; }
.entregado { background: #2ecc71; }
.error { color: #ff4d4d; text-align: center; }