/* =================================================
   UI MODERN V6 — 60 Blanco / 15 Gris / 15 Verde
   Institucional con presencia elegante
================================================= */

body{
    margin:0;
    background:#F3F5F7;
    font-family:'Poppins', sans-serif;
    color:#2d3748;
}

/* ================= HEADER ================= */

.topbar{
    height:60px;
    background:#FFFFFF;
    border-bottom:4px solid #FF7F00;
    color:#1F2937;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 28px;
    font-size:16px;
    font-weight:600;
}

/* ================= LAYOUT ================= */

.admin-layout{
    display:flex;
    min-height:calc(100vh - 60px);
}

/* ================= SIDEBAR ================= */

.sidebar{
    width:240px;
    background:#1F5F3F;
    padding-top:20px;
}

.sidebar a{
    display:flex;
    align-items:center;
    gap:12px;
    padding:15px 22px;
    text-decoration:none;
    color:#E8F5E9;
    font-size:14px;
    transition:.2s;
    position:relative;
}

.sidebar a:hover{
    background:rgba(255,255,255,0.08);
}

.sidebar a.active{
    background:#145A32;
    font-weight:600;
    color:#FFFFFF;
}

.sidebar a.active::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:5px;
    background:#FFD000;
}

/* ================= CONTENIDO ================= */

.content{
    flex:1;
    padding:45px 60px;
    background:#FFFFFF;
    position:relative;
}

.content::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:4px;
    background:#145A32;
}

/* ================= BREADCRUMB ================= */

.breadcrumb{
    font-size:13px;
    color:#6B7280;
    margin-bottom:30px;
}

/* ================= IFRAME ================= */

iframe{
    width:100%;
    border:none;
    flex:1;
    background:#FFFFFF;
}

/* ================= LOADER ================= */

.loader{
    position:absolute;
    inset:0;
    background:rgba(255,255,255,.75);
    display:none;
    justify-content:center;
    align-items:center;
    z-index:5;
}

.spinner{
    width:36px;
    height:36px;
    border:4px solid #E5E7EB;
    border-top:4px solid #FF7F00;
    border-radius:50%;
    animation:spin 1s linear infinite;
}

@keyframes spin{
    100%{ transform:rotate(360deg); }
}

/* ================= RESPONSIVE ================= */

@media(max-width:900px){

    .sidebar{
        width:70px;
    }

    .sidebar a span{
        display:none;
    }

    .content{
        padding:25px;
    }

}