*{
  box-sizing:border-box;
  margin:0;
  padding:0;
  font-family:Arial, Helvetica, sans-serif;
}

body{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#f5f7fb;
}

.auth-card{
  width:100%;
  max-width:420px;
  background:#fff;
  padding:40px;
  border-radius:14px;
  border:1px solid #e5e7eb;
  box-shadow:0 10px 30px rgba(0,0,0,0.06);
}

h1{
  text-align:center;
  color:#2563eb;
  margin-bottom:6px;
}

.sub{
  text-align:center;
  color:#6b7280;
  font-size:14px;
  margin-bottom:30px;
}

input{
  width:100%;
  padding:14px;
  margin-bottom:16px;
  border:1px solid #e5e7eb;
  border-radius:8px;
  font-size:14px;
}

input:focus{
  outline:none;
  border-color:#2563eb;
  box-shadow:0 0 0 3px rgba(37,99,235,0.15);
}

.row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  margin-bottom:20px;
}

.row a{
  color:#2563eb;
  font-weight:500;
}

button{
  width:100%;
  padding:14px;
  background:#2563eb;
  color:#fff;
  border:none;
  border-radius:8px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
}

button:hover{
  background:#1e4fd8;
}

.switch{
  text-align:center;
  font-size:14px;
  margin-top:20px;
}

.switch a{
  color:#2563eb;
  font-weight:600;
}
/* NAVBAR */
.nav{
  width:100%;
  background:#fff;
  border-bottom:1px solid #e5e7eb;
  position:fixed;
  top:0;
  left:0;
}

.nav-wrap{
  max-width:1100px;
  margin:auto;
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo{
  font-size:22px;
  font-weight:700;
  color:#2563eb;
}

.nav-links a{
  margin-left:20px;
  font-weight:500;
  color:#111827;
}

.nav-links .active{
  color:#2563eb;
}

.btn-nav{
  background:#2563eb;
  color:#fff !important;
  padding:8px 14px;
  border-radius:6px;
}

body{
  padding-top:90px;
}