:root {
  --primary:#0B5FFF;
  --dark:#111;
  --muted:#666;
  --bg:#f4f6fa;
  --white:#fff;
}

*{box-sizing:border-box;}

body{
  margin:0;
  font-family:Arial, sans-serif;
  background:var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
}

/* CONTAINER */
.container{
  width:100%;
  max-width:440px;
  background:var(--white);
  padding:30px;
  border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,0.08);
}

/* TITLE */
h2{
  text-align:center;
  margin-bottom:25px;
  color:var(--dark);
}

/* INPUT */
.input-group{
  margin-bottom:15px;
}

.input-group label{
  display:block;
  font-size:13px;
  margin-bottom:5px;
  color:var(--muted);
}

.input-group input,
.input-group select,
.input-group textarea{
  width:100%;
  padding:12px;
  border:1px solid #ddd;
  border-radius:8px;
  font-size:14px;
  outline:none;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus{
  border-color:var(--primary);
}

/* TEXTAREA */
textarea{
  resize:none;
}

/* PASSWORD WRAP */
.password-wrap{
  position:relative;
}

.toggle-pass{
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  cursor:pointer;
  font-size:12px;
  color:var(--primary);
}

/* BUTTON */
.btn{
  width:100%;
  padding:13px;
  background:var(--primary);
  color:#fff;
  border:none;
  border-radius:10px;
  font-weight:600;
  cursor:pointer;
  margin-top:10px;
}

.btn:hover{
  opacity:0.9;
}

/* ALERT */
.alert{
  display:none;
  padding:10px;
  margin-top:10px;
  border-radius:6px;
  text-align:center;
  font-size:13px;
}

.alert-error{
  background:#ffe0e0;
  color:#c0392b;
}

.alert-success{
  background:#e0ffeb;
  color:#2ecc71;
}

/* FOOTER */
.login-link{
  text-align:center;
  margin-top:15px;
  font-size:14px;
}

.login-link a{
  color:var(--primary);
  font-weight:600;
}

/* RESPONSIVE */
@media(max-width:500px){
  .container{
    margin:10px;
    padding:20px;
  }
}