@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

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

body{
    height:100vh;
    background:#0e1117;
    display:flex;
    justify-content:center;
    align-items:center;
    position:relative;
    overflow:hidden;
}

/* Fondo elegante con líneas suaves */
.bg-layer{
    position:absolute;
    width:100%;
    height:100%;
    background:linear-gradient(135deg,#0e1117 0%,#1c2331 100%);
    opacity:1;
}

/* Pequeñas luces sutiles */
.bg-layer::before{
    content:"";
    position:absolute;
    width:100%;
    height:100%;
    background-image:radial-gradient(#3aaaff22 2px, transparent 2px);
    background-size:80px 80px;
    opacity:.18;
}

/* Caja de login */
.login-box{
    width:380px;
    padding:35px;
    background:rgba(255,255,255,0.04);
    border:1px solid #2c3444;
    border-radius:14px;
    backdrop-filter:blur(10px);
    box-shadow:0 0 25px rgba(0,0,0,0.3);

    animation:fadeIn .9s ease forwards;
    transform:translateY(30px);
    opacity:0;
}

@keyframes fadeIn{
    0%{
        opacity:0;
        transform:translateY(40px);
    }
    100%{
        opacity:1;
        transform:translateY(0);
    }
}

/* Títulos */
.title{
    color:#e4e8f0;
    font-size:28px;
    margin-bottom:10px;
    font-weight:600;
}

.subtitle{
    color:#7e8ba3;
    font-size:15px;
    margin-bottom:25px;
}

/* Inputs */
label{
    color:#c8d1e0;
    font-size:14px;
    margin-bottom:5px;
    display:block;
}

input{
    width:100%;
    padding:12px;
    margin-bottom:18px;
    background:#131822;
    border:1px solid #2c3647;
    border-radius:8px;
    color:#cdd6e5;
    font-size:15px;
    transition:.2s ease;
}

input:focus{
    border-color:#3aaaff;
    box-shadow:0 0 8px #3aaaff66;
    outline:none;
}

/* Botón */
.btn-login{
    width:100%;
    padding:12px;
    background:#3aaaff;
    border:none;
    border-radius:8px;
    color:#0d1117;
    font-weight:600;
    font-size:16px;
    cursor:pointer;
    transition:.25s;
}

.btn-login:hover{
    background:#67b8ff;
    transform:scale(1.03);
}

/* Error */
.error-box{
    background:#ff2c4a22;
    border:1px solid #ff4b6e;
    padding:10px;
    border-radius:8px;
    color:#ff9db3;
    margin-bottom:12px;
    font-size:14px;
}