body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#f3f6fa;
    color:#1d2939;
}
.page{
    max-width:900px;
    margin:30px auto;
    padding:20px;
}
.card{
    background:white;
    border-radius:16px;
    padding:22px;
    margin-bottom:20px;
    box-shadow:0 2px 14px #0001;
}
.phone{
    max-width:360px;
}
.status{
    padding:10px;
    background:#e8f0fa;
    border-radius:10px;
    margin-bottom:12px;
    font-weight:bold;
}
input{
    width:100%;
    padding:14px;
    font-size:20px;
    box-sizing:border-box;
    margin-bottom:12px;
}
.keys{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:8px;
}
button{
    padding:14px;
    border:0;
    border-radius:10px;
    font-weight:bold;
    cursor:pointer;
}
.green{background:#18864b;color:white;margin-top:10px;width:100%}
.blue{background:#145da0;color:white;margin-top:10px;width:100%}
.red{background:#b3261e;color:white;margin-top:10px;width:100%}
.public-call-btn{
    background:#145da0;
    color:white;
    padding:18px 30px;
    font-size:22px;
    border-radius:14px;
}