*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:Arial, sans-serif;
}

body{
  background:#042354;
  display:flex;
  justify-content:center;
  padding:50px 20px;
}

.container{
  width:650px;
  background:white;
  padding:30px;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(0,0,0,0.1);
}

h1{
  margin-bottom:20px;
}

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

input{
  flex:1;
  padding:10px;
  border:1px solid #ddd;
  border-radius:6px;
}

button{
  padding:10px 15px;
  border:none;
  background:#2563eb;
  color:white;
  border-radius:6px;
  cursor:pointer;
  font-weight:bold;
}

button:hover{
  background:#1d4ed8;
}

#error{
  color:red;
  margin-bottom:10px;
  font-size:14px;
}

.link-card{
  background:#f9fafb;
  padding:15px;
  border-radius:8px;
  margin-bottom:10px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.link-info{
  flex:1;
}

.short-url{
  color:#2563eb;
  font-weight:bold;
  cursor:pointer;
  margin-top:5px;
  display:inline-block;
}

.actions{
  display:flex;
  gap:8px;
}

.small-btn{
  padding:5px 8px;
  font-size:12px;
  border-radius:4px;
}