:root{
    --azul:#0A2342;
    --azul-oscuro:#07192f;
    --dorado:#C9A227;
    --blanco:#ffffff;
    --gris:#e5e7eb;
    --texto:#1f2937;
    --borde:#d1d5db;
}

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

/* ===== FONDO LOGIN ===== */
.login-body{
    min-height:100vh;
    background:linear-gradient(160deg,var(--azul),var(--azul-oscuro));
}

/* ===== CONTENEDOR ===== */
.login-container{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:18px;
}

/* ===== CARD ===== */
.login-card{
    width:100%;
    max-width:380px;
    background:var(--blanco);
    border-radius:18px;
    padding:26px 22px 28px;
    box-shadow:0 20px 40px rgba(0,0,0,.25);
    position:relative;
}

/* FRANJA DORADA SUPERIOR */
.login-card{
    width:100%;
    max-width:380px;
    background:var(--blanco);
    border-radius:18px;
    padding:26px 22px 28px;
    box-shadow:0 20px 40px rgba(0,0,0,.25);
    position:relative;
    overflow:hidden; /* 🔑 CLAVE */
}

.login-card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:8px;
    background:linear-gradient(
        90deg,
        #b8962e,
        var(--dorado),
        #e6c76a
    );
}


/* ===== HEADER LOGIN ===== */
.login-header{
    text-align:center;
    margin-bottom:24px;
}

.login-header img{
    width:58px;
    margin-bottom:10px;
}

.login-header h1{
    font-size:18px;
    color:var(--azul);
    margin-bottom:4px;
}

.login-header p{
    font-size:13px;
    color:#6b7280;
}

/* ===== FORM ===== */
.form-group{
    margin-bottom:16px;
}

label{
    font-size:13px;
    font-weight:600;
    margin-bottom:6px;
    display:block;
    color:#374151;
}

input{
    width:100%;
    padding:13px 14px;
    border-radius:12px;
    border:1px solid var(--borde);
    font-size:14px;
    background:#f9fafb;
    transition:border .2s, box-shadow .2s, background .2s;
}

input:focus{
    outline:none;
    border-color:var(--azul);
    background:var(--blanco);
    box-shadow:0 0 0 3px rgba(10,35,66,.15);
}

/* ===== BOTÓN ===== */
button{
    width:100%;
    padding:14px;
    border-radius:14px;
    border:none;
    background:linear-gradient(135deg,var(--azul),var(--azul-oscuro));
    color:var(--blanco);
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:transform .15s, box-shadow .15s, opacity .15s;
}

button:hover{
    box-shadow:0 10px 20px rgba(10,35,66,.35);
    opacity:.95;
}

button:active{
    transform:scale(.97);
}

/* ===== DESKTOP ===== */
@media (min-width:1024px){
    .login-card{
        padding:32px 28px 34px;
    }
}