:root{
    --bg: #f3f6fb;
    --card: #ffffff;
    --accent: #4f46e5;
    --danger: #ef4444;
    --muted: #6b7280;
    --input-border: #d1d5db;
    --success: #10b981;
  }
  *{box-sizing:border-box}
  body{
    margin:0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
 background-image: url(../imge/fashionable-guy-stands-confidently-against-600nw-2453525579.webp);
    background-size: cover;
    background-position: center;
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
  }
  
  .card{
    width:100%;
    max-width:420px;
    background:var(--card);
    border-radius:12px;
    padding:28px;
    box-shadow: 0 8px 30px rgba(16,24,40,0.06);
    border: 1px solid rgba(15,23,42,0.03);
  }
  
  h1{
    margin:0 0 8px 0;
    font-size:20px;
    color:#0f172a;
  }
  p.lead{
    margin:0 0 20px 0;
    color:var(--muted);
    font-size:14px;
  }
  
  form .field{
    margin-bottom:16px;
  }
  
  label{
    display:block;
    font-size:13px;
    margin-bottom:6px;
    color:#0f172a;
  }
  
  input[type="email"],
  input[type="password"]{
    width:100%;
    padding:10px 12px;
    font-size:15px;
    border-radius:8px;
    border:1px solid var(--input-border);
    outline:none;
    transition: box-shadow .12s, border-color .12s;
    background:transparent;
  }
  
  input:focus{
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(79,70,229,0.06);
  }
  
  .row{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  
  .remember{
    display:flex;
    align-items:center;
    gap:8px;
    color:var(--muted);
    font-size:14px;
  }
  
  button[type="submit"]{
    width:100%;
    background:var(--accent);
    color:white;
    border: none;
    padding:10px 12px;
    border-radius:10px;
    font-size:15px;
    cursor:pointer;
    box-shadow: 0 6px 18px rgba(79,70,229,0.12);
  }
  button[type="submit"]:disabled{
    opacity:0.6;
    cursor:not-allowed;
    box-shadow:none;
  }
  
  .error{
    margin-top:8px;
    font-size:13px;
    color:var(--danger);
  }
  
  .helper{
    margin-top:8px;
    font-size:13px;
    color:var(--muted);
  }
  
  .input-with-action{
    position:relative;
  }
  .toggle-pass{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    right:10px;
    background:transparent;
    border:none;
    cursor:pointer;
    font-size:13px;
    color:var(--muted);
    padding:6px;
  }
  
  .success-banner{
    margin-top:14px;
    padding:10px 12px;
    border-radius:8px;
    background: rgba(16,185,129,0.11);
    color:var(--success);
    font-weight:600;
    text-align:center;
  }
  
  @media (max-width:420px){
    .card{padding:20px}
  }