:root{
    --azul:#071527;
    --azul2:#10233d;
    --verde:#22c55e;
    --naranja:#f97316;
    --rojo:#dc2626;
    --gris:#f4f6fb;
    --texto:#0f172a;
}

*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:Arial, sans-serif;
    background:var(--gris);
    color:var(--texto);
}

.login-body{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
}

.login-card{
    background:white;
    width:390px;
    padding:35px;
    border-radius:18px;
    box-shadow:0 20px 50px rgba(0,0,0,.12);
}

.login-logo{
    max-width:170px;
    margin-bottom:15px;
}

.login-card h1{
    margin:0;
    color:var(--azul);
}

.login-card p{
    margin-top:5px;
    color:#64748b;
}

label{
    display:block;
    margin-top:14px;
    font-weight:bold;
}

input,select,textarea{
    width:100%;
    padding:11px;
    border:1px solid #cbd5e1;
    border-radius:8px;
    margin-top:5px;
}

button,.btn{
    padding:11px 16px;
    border:0;
    border-radius:8px;
    background:#2563eb;
    color:white;
    cursor:pointer;
    text-decoration:none;
    display:inline-block;
}

button:hover,.btn:hover{
    opacity:.9;
}

.alert-error{
    background:#fee2e2;
    color:#991b1b;
    padding:10px;
    border-radius:8px;
    margin:15px 0;
}

.app{
    display:flex;
    min-height:100vh;
}

.sidebar{
    width:260px;
    background:var(--azul);
    color:white;
    padding:24px;
}

.sidebar img{
    max-width:170px;
    margin-bottom:20px;
}

.sidebar h2{
    margin:0 0 5px;
}

.sidebar p{
    color:#cbd5e1;
}

.nav-link{
    display:block;
    padding:13px;
    margin:8px 0;
    border-radius:10px;
    color:white;
    text-decoration:none;
}

.nav-link:hover,.nav-link.active{
    background:var(--azul2);
}

.logout{
    background:var(--rojo);
    margin-top:30px;
}

.main{
    flex:1;
    padding:30px;
}

.header{
    margin-bottom:25px;
}

.header h1{
    margin:0;
    color:var(--azul);
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:16px;
}

.card{
    background:white;
    border-radius:18px;
    padding:22px;
    box-shadow:0 8px 25px rgba(0,0,0,.06);
    margin-bottom:22px;
}

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:18px;
}

.stat{
    padding:22px;
    border-radius:16px;
    color:white;
}

.stat b{
    display:block;
    font-size:28px;
}

.green{background:var(--verde);}
.orange{background:var(--naranja);}
.blue{background:#2563eb;}
.red{background:var(--rojo);}
.dark{background:var(--azul2);}

.table-wrap{
    overflow:auto;
}

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

th,td{
    padding:12px;
    border-bottom:1px solid #e5e7eb;
    text-align:left;
    vertical-align:top;
}

th{
    background:#f1f5f9;
}

.badge{
    padding:5px 9px;
    border-radius:999px;
    font-size:12px;
    display:inline-block;
}

.badge-ok{
    background:#dcfce7;
    color:#166534;
}

.badge-alert{
    background:#fee2e2;
    color:#991b1b;
}

.actions{
    display:flex;
    gap:8px;
    flex-wrap:wrap;
}

.modal{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.6);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:50;
}

.modal.show{
    display:flex;
}

.modal-content{
    background:white;
    width:650px;
    max-width:95%;
    max-height:90vh;
    overflow:auto;
    border-radius:18px;
    padding:25px;
}