/* style.css */

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

body{
  background:#f4f6f9;
  padding:30px;
}

.container{
  max-width:800px;
  margin:auto;
}

.card{
  background:#fff;
  padding:30px;
  border-radius:20px;
  box-shadow:0 5px 20px rgba(0,0,0,0.08);
}

h1{
  text-align:center;
  margin-bottom:25px;
}

.input-group{
  display:flex;
  gap:15px;
  flex-wrap:wrap;
}

input{
  flex:1;
  padding:14px;
  border:1px solid #ccc;
  border-radius:12px;
  font-size:16px;
}

button{
  padding:14px 22px;
  border:none;
  background:#ff0000;
  color:white;
  border-radius:12px;
  cursor:pointer;
  font-size:15px;
  transition:0.3s;
}

button:hover{
  background:#cc0000;
}

.hidden{
  display:none;
}

.thumbnail-box{
  margin-top:30px;
}

.thumbnail-box img{
  width:100%;
  border-radius:16px;
  border:1px solid #ddd;
}

#playBtn{
  width:100%;
  margin-top:15px;
}

#playerContainer{
  margin-top:25px;
}

iframe{
  border-radius:16px;
}

@media(max-width:768px){

  .input-group{
    flex-direction:column;
  }

  button{
    width:100%;
  }

  iframe{
    height:250px;
  }
}