:root{
    --gaetani-azul:#163764;
    --gaetani-azul-2:#245D8D;
    --gaetani-celeste:#29BDEB;
    --bg:#EEF3F7;
    --card:#FFFFFF;
    --text:#1E293B;
    --muted:#64748B;
    --line:#D8E1EA;
    --success:#16A34A;
    --warning:#F59E0B;
    --danger:#DC2626;
    --shadow:0 8px 22px rgba(15,23,42,.10);
    --radius:14px;
}

*{box-sizing:border-box}

body{
    font-family:Arial, Helvetica, sans-serif;
    margin:0;
    color:var(--text);
    background:var(--bg);
}

/* CABECERA CORPORATIVA */
.erp-header{
    background:#FFFFFF;
    border-top:34px solid var(--gaetani-azul);
    border-bottom:1px solid var(--line);
    padding:16px 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    box-shadow:0 4px 16px rgba(15,23,42,.08);
    position:relative;
}

.erp-header::before{
    content:"ERP GAETANI  |  Gestión comercial y operativa";
    position:absolute;
    top:-25px;
    left:28px;
    color:white;
    font-size:13px;
    letter-spacing:.02em;
}

.erp-brand{
    display:flex;
    align-items:center;
    gap:18px;
}

.erp-brand img{
    height:54px;
    width:auto;
    display:block;
}

.erp-brand-title{
    display:flex;
    flex-direction:column;
    border-left:3px solid var(--gaetani-celeste);
    padding-left:14px;
}

.erp-brand-title strong{
    font-size:20px;
    color:var(--gaetani-azul);
    letter-spacing:.02em;
}

.erp-brand-title span{
    font-size:14px;
    color:var(--muted);
    margin-top:3px;
}

/* CONTENIDO */
.container{
    max-width:1200px;
    margin:24px auto;
    padding:0 16px;
}

.card{
    background:var(--card);
    border-radius:var(--radius);
    padding:18px;
    box-shadow:var(--shadow);
    border:1px solid var(--line);
    margin-bottom:16px;
}

.card h2{
    color:var(--gaetani-azul);
}

/* BOTONES */
.actions{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
}

.btn{
    display:inline-block;
    padding:11px 16px;
    border-radius:9px;
    text-decoration:none;
    font-weight:bold;
    border:0;
    cursor:pointer;
    transition:.15s ease;
}

.btn-primary{
    background:var(--gaetani-azul);
    color:white;
}

.btn-primary:hover{
    background:#0E2A4F;
}

.btn-secondary{
    background:var(--gaetani-celeste);
    color:#06364A;
}

.btn-soft{
    background:#E1E8F0;
    color:#1E293B;
}

.btn-soft:hover{
    background:#D1DCE8;
}

.btn-danger{
    background:var(--danger);
    color:white;
}

/* FORMULARIOS */
input,select,textarea{
    padding:12px;
    border:1px solid #B8C7D6;
    border-radius:9px;
    font-size:15px;
    width:100%;
    background:#FFFFFF;
}

input:focus,
select:focus,
textarea:focus{
    outline:3px solid rgba(41,189,235,.22);
    border-color:var(--gaetani-celeste);
}

label{
    font-weight:bold;
    font-size:14px;
    color:#24364A;
}

/* TABLAS */
table{
    width:100%;
    border-collapse:collapse;
    background:white;
    border-radius:12px;
    overflow:hidden;
}

th,td{
    padding:11px;
    border-bottom:1px solid #E5E7EB;
    text-align:left;
    font-size:14px;
}

th{
    background:var(--gaetani-azul);
    color:white;
}

tr:hover td{
    background:#F5FAFE;
}

.badge{
    padding:5px 9px;
    border-radius:999px;
    background:#DFF4FF;
    color:#075985;
    font-size:12px;
    font-weight:bold;
}

/* FOOTER */
.erp-footer{
    background:#151515;
    color:#F8FAFC;
    margin-top:28px;
    border-top:4px solid var(--gaetani-celeste);
}

.erp-footer-inner{
    max-width:1200px;
    margin:0 auto;
    padding:26px 18px;
    display:grid;
    grid-template-columns:1.3fr 1fr 1fr;
    gap:24px;
}

.erp-footer h3{
    margin:0 0 12px;
    color:#F8FAFC;
    font-size:18px;
}

.erp-footer p,
.erp-footer a,
.erp-footer span{
    color:#94A3B8;
    font-size:14px;
    line-height:1.55;
    text-decoration:none;
}

.erp-footer .accent{
    color:#29BDEB;
}

.erp-footer-bottom{
    border-top:1px solid #2A2A2A;
    padding:12px 18px;
    text-align:center;
    color:#94A3B8;
    font-size:13px;
}

/* MÓVIL */
@media(max-width:800px){
    .erp-header{
        align-items:flex-start;
        flex-direction:column;
        padding:16px;
        border-top-width:32px;
    }

    .erp-header::before{
        left:16px;
        top:-24px;
        font-size:12px;
    }

    .erp-brand{
        align-items:flex-start;
        flex-direction:column;
        gap:10px;
    }

    .erp-brand img{
        height:48px;
    }

    .erp-brand-title{
        border-left:0;
        border-top:3px solid var(--gaetani-celeste);
        padding-left:0;
        padding-top:8px;
    }

    table,thead,tbody,tr,td{
        display:block;
        width:100%;
    }

    thead{
        display:none;
    }

    tr{
        border:1px solid #CBD5E1;
        border-radius:14px;
        margin-bottom:12px;
        padding:10px;
        background:#fff;
    }

    td{
        border:0;
        padding:7px;
    }

    td:before{
        content:attr(data-label) ": ";
        font-weight:bold;
        color:#475569;
    }

    .erp-footer-inner{
        grid-template-columns:1fr;
    }
}

/* CAMPOS OBLIGATORIOS ERP */
label .req,
.req {
    color:#DC2626;
    font-weight:700;
}

input:required:invalid,
select:required:invalid,
textarea:required:invalid {
    border:1px solid #FCA5A5 !important;
    background:#FEF2F2 !important;
}

input:required:valid,
select:required:valid,
textarea:required:valid {
    border:1px solid #86EFAC !important;
    background:#F0FDF4 !important;
}

.campo-ayuda {
    color:#991B1B;
    font-size:12px;
    margin-top:4px;
}