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

body{
    background:#eef2f7;
    color:#1f2937;
}

.contenedor-admin{
    width:95%;
    margin:30px auto;
}

.barra-superior{
    background:#1e3a8a;
    color:white;
    padding:20px 30px;
    border-radius:12px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:25px;
}

.usuario-info{
    display:flex;
    align-items:center;
    gap:15px;
}

.card{
    background:white;
    border-radius:12px;
    padding:25px;
    margin-bottom:25px;
    box-shadow:0 2px 10px rgba(0,0,0,.08);
}

.card h3,
.card h2{
    margin-bottom:20px;
}

.formulario-producto{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:15px;
}

.formulario-producto input{
    padding:12px;
    border:1px solid #d1d5db;
    border-radius:8px;
}

.formulario-producto input:focus{
    outline:none;
    border-color:#3b82f6;
}

.btn-guardar{
    grid-column:1/5;
    background:#22c55e;
    color:white;
    border:none;
    border-radius:8px;
    padding:12px;
    cursor:pointer;
    font-weight:bold;
}

.btn-guardar:hover{
    background:#16a34a;
}

.btn-cerrar{
    background:#374151;
    color:white;
    text-decoration:none;
    padding:8px 15px;
    border-radius:6px;
    font-size:14px;
}

table{
    width:100%;
    border-collapse:collapse;
}

thead{
    background:#3b82f6;
    color:white;
}

th{
    padding:12px;
}

td{
    padding:10px;
    text-align:center;
    border-bottom:1px solid #e5e7eb;
}

tbody tr:hover{
    background:#eff6ff;
}

.btn-editar{
    background:#3b82f6;
    color:white;
    text-decoration:none;
    padding:6px 12px;
    border-radius:5px;
    font-size:12px;
    margin-right:5px;
}

.btn-eliminar{
    background:#ef4444;
    color:white;
    text-decoration:none;
    padding:6px 12px;
    border-radius:5px;
    font-size:12px;
}

.editar-panel{
    width:70%;
    margin:40px auto;
}

@media(max-width:900px){

    .formulario-producto{
        grid-template-columns:repeat(2,1fr);
    }

    .btn-guardar{
        grid-column:1/3;
    }
}

@media(max-width:600px){

    .formulario-producto{
        grid-template-columns:1fr;
    }

    .btn-guardar{
        grid-column:auto;
    }

    .barra-superior{
        flex-direction:column;
        gap:15px;
    }

    .editar-panel{
        width:95%;
    }
}