body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 0;
}
.container {
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:100vh;
  padding:20px;
}
.login-card {
  background:#fff;
  padding:40px;
  border-radius:20px;
  width:100%;
  max-width:640px;
  box-shadow:0 6px 18px rgba(0,0,0,0.08);
  text-align:left;
}
.logo {
  display:block;
  margin:0 auto 14px auto;
  width:160px;
  height:auto;
  object-fit:cover;
  border-radius:8px;
}
h1 {
  font-size:20px;
  text-align:center;
  color:#d32f2f;
  margin:0 0 8px 0;
}
.note { font-size:13px; color:#666; margin-bottom:12px; text-align:center; }
label { display:block; margin-top:10px; margin-bottom:6px; font-weight:600; }
input[type="text"], input[type="password"] {
  width:100%;
  padding:10px;
  border:1px solid #e0e6ef;
  border-radius:4px;
  font-size:14px;
}
.help-link {
  display:block;
  margin:8px 0 10px 0;
  color:#d32f2f;
  text-decoration:underline;
  font-size:14px;
  cursor:pointer;
}
.help-link:hover { opacity:0.9; text-decoration:none; }
.primary {
  display:block;
  width:100%;
  padding:12px;
  margin-top:12px;
  background:#d32f2f;
  color:#fff;
  border:none;
  border-radius:6px;
  font-weight:700;
  cursor:pointer;
  font-size:15px;
}
.primary:hover { background:#b71c1c; }
.security { text-align:center; margin-top:14px; color:#999; font-size:13px; }