body {
  font-family: 'Helvetica Neue', sans-serif;
  background-color: #f5f8fb;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  text-align: center;
  background: #ffffff;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
  width: 90%;
  max-width: 600px;
}

.logo {
  width: 140px;
  margin-bottom: 20px;
}

h1 {
  margin-bottom: 40px;
  font-weight: bold;
  background: linear-gradient(90deg, #357fd3, #4db0d1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

input#longUrl {
  flex: 1 1 auto;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  border: none;
  background-color: rgb(255, 164, 28);
  color: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.2s ease;
}

button:hover {
  background-color: #00BFFF;;
}

.result {
  display: inline-flex;
  align-items: center;
  font-size: 16px;
  word-break: break-word;
  margin-top: 10px;
}

.result button {
  margin-left: 10px;
  font-size: 14px;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.result button img {
  width: 25px;
  height: 25px;
  transition: transform 0.2s ease;
}

.result button:hover img {
  transform: scale(1.2);
}

.copy-btn {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
}