:root{
    --bg1:#1c1e21;
    --bg2:#242a2f;
    --card:#1c1e21;
    --text:#e4e6eb;
    --muted:#b0b3b8;
    --line:#3a3b3c;
    --primary:#0095f6;
    --primary-hover:#0077cc;
    --radius:12px;
  }

  html,body{height:100%}
  body{
    margin:0;
    font-family: Arial, system-ui, sans-serif;
    background: radial-gradient(120% 120% at 20% 0%, #20262b 0%, var(--bg2) 55%, var(--bg1) 100%);
    display:grid;
    place-items:center;
    color:var(--text);
  }

  .shell{
    width:340px;
    padding:60px 40px 36px;   /* PC/Laptop पर ज्यादा space */
    background:var(--card);
    border-radius:10px;
    box-shadow:0 6px 24px rgba(0,0,0,.45);
    box-sizing:border-box;
    text-align:center;
  }

  .logo{
    display:grid;
    place-items:center;
    margin-bottom:36px;
  }
  .logo img{width:64px;height:64px;border-radius:14px}

  h2{
    margin:0 0 14px;
    font-size:20px;
    font-weight:600;
  }

  p{
    font-size:14px;
    color:var(--muted);
    margin:0 0 22px;
    line-height:1.5;
  }

  .btn{
    display:block;
    height:46px;
    line-height:46px;
    border-radius:999px;
    background:var(--primary);
    color:white;
    font-weight:700;
    font-size:15px;
    cursor:pointer;
    text-decoration:none;
    margin-top:4px;
    user-select:none;
    box-shadow:0 4px 12px rgba(0,0,0,.15);
    transition:background .2s;
    border:none;
    outline:none;
    text-align:center;
    width:100%;
    box-sizing:border-box;
    letter-spacing:.5px;
    font-family: Arial, system-ui, sans-serif;
    /* padding:0 16px; */
    
  }
  .btn:hover{background:var(--primary-hover)}

  .meta{
    text-align:center;
    margin-top:30px;
    color:var(--muted);
    font-size:12px;
  }

  /* Mobile responsive */
  @media (max-width:480px){
    .shell{
      width:92vw;
      padding:60px 20px 50px;
    }
    .logo img{width:56px;height:56px}
    h2{font-size:18px}
    p{font-size:13px}
  }