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

/* fondo */

body{

height:100vh;

background-image:url("../img/fondos/fondo1.png");
background-size:cover;
background-position:center;
background-repeat:no-repeat;

display:flex;
align-items:center;
justify-content:center;

}

/* capa para mejorar legibilidad */

.overlay{

width:100%;
height:100%;

background:rgba(255,255,255,0.50);

display:flex;
align-items:center;
justify-content:center;

}

/* tarjeta login */

.login-box{

width:360px;

background:white;

padding:40px;

border-radius:10px;

box-shadow:0 15px 40px rgba(0,0,0,0.15);

}

/* encabezado */

.header{
text-align:center;
margin-bottom:30px;
}

.header h1{
font-size:28px;
color:#1f2937;
}

.header p{
color:#6b7280;
font-size:14px;
}

/* inputs */

.input-group{
margin-bottom:20px;
}

.input-group label{
font-size:13px;
color:#374151;
margin-bottom:6px;
display:block;
}

.input-field{

display:flex;
align-items:center;

border:1px solid #d1d5db;

border-radius:6px;

padding:10px;

}

.input-field i{
color:#9ca3af;
margin-right:8px;
}

.input-field input{

border:none;
outline:none;
width:100%;

font-size:14px;

}

/* boton */

.btn-login{

width:100%;

background:#28c7ac;

border:none;

padding:12px;

border-radius:6px;

color:white;

font-weight:600;

cursor:pointer;

transition:.2s;

}

.btn-login:hover{
background:#1d4ed8;
}

/* error */

.error{

background:#fee2e2;

color:#b91c1c;

padding:10px;

border-radius:6px;

font-size:13px;

margin-bottom:15px;

display:flex;
gap:6px;
align-items:center;

}

/* footer */

.footer{

margin-top:25px;

text-align:center;

font-size:12px;

color:#9ca3af;

}