:root {
    --bg1: #071427;
    --bg2: #000020;
    --card: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.12);
    --text: #e9eefc;
    --muted: #aab8d8;
    --blue: #3b82f6;
  }
  
  * { box-sizing: border-box; }
  
  body{
    margin:0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
    color: var(--text);
    background: linear-gradient(135deg, var(--bg1), var(--bg2));
    min-height: 100vh;
  }
  
  .wrap{
    max-width: 520px;
    margin: 0 auto;
    padding: 24px;
    display:flex;
    align-items:center;
    min-height: 100vh;
  }
  
  .card{
    width:100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    backdrop-filter: blur(10px);
  }
  
  h1{
    margin:0 0 8px 0;
    font-size: 26px;
  }
  
  .sub{
    margin:0 0 18px 0;
    color: var(--muted);
    font-size: 14px;
  }
  
  .field{ margin-bottom: 14px; }
  label{ display:block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
  
  input{
    width:100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.22);
    color: var(--text);
    outline: none;
  }
  
  button, a.install{
    width:100%;
    border:0;
    padding: 12px 14px;
    border-radius: 12px;
    cursor:pointer;
    font-weight: 600;
    margin-top: 8px;
  }
  
  button{
    background: var(--blue);
    color: white;
  }
  
  button.secondary{
    background: rgba(255,255,255,0.12);
    color: var(--text);
  }
  
  a.install{
    display:block;
    text-align:center;
    text-decoration:none;
    background: rgba(59,130,246,0.18);
    border: 1px solid rgba(59,130,246,0.45);
    color: #dbeafe;
  }
  
  .result{
    margin-top: 14px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.25);
    font-size: 14px;
    line-height: 1.4;
  }
  
  .hidden{ display:none; }
  
  .actions{
    display:flex;
    gap: 10px;
    margin-top: 10px;
  }
  
  .actions button, .actions a{
    width: 50%;
    margin-top: 0;
  }
  
  .foot{
    margin-top: 16px;
    font-size: 12px;
    color: var(--muted);
    text-align:center;
  }