/* Al inicio de tu archivo styles.css */
@import url('https://googleapis.com');

:root{
    --azul:#1f4e79;
    --azul-2:#2e75b6;
    --claro:#f4f7fb;
    --texto:#243447;
    --borde:#d9e2ec;
    --ok:#1f8f4e;
    --danger:#b02a37;
    --warning:#c47f00;
}
*{box-sizing:border-box;margin-top:0px;}
body{margin:0;font-family:'Open Sans',sans-serif;font-size:16px;background:var(--claro);color:var(--texto)}
a{color:var(--azul);text-decoration:none}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,var(--azul),#173b5c);color:#fff;padding:22px}
.brand{font-size:22px;font-weight:700;line-height:1.3;margin-bottom:18px}
.user-box{background:rgba(255,255,255,.08);padding:14px;border-radius:12px;margin-bottom:18px;font-size:14px}
.nav a{display:block;padding:11px 12px;color:#fff;border-radius:10px;margin-bottom:6px}
.nav a:hover{background:rgba(255,255,255,.12)}
.main{flex:1;padding:26px}
.topbar{margin-bottom:18px}
h1,h2,h3{margin-top:0;margin-bottom:0;}
.card{background:#fff;border:1px solid var(--borde);border-radius:16px;padding:10px;margin-bottom:10px;box-shadow:0 8px 24px rgba(15,23,42,.05)}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.kpi{padding:18px;border-radius:16px;background:#fff;border:1px solid var(--borde)}
.kpi .n{font-size:30px;font-weight:700;margin-top:8px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border-bottom:1px solid var(--borde);padding:10px;text-align:left;vertical-align:top}
th{background:#f8fbff}
form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
label{display:block;font-weight:700;margin-top:6px;margin-bottom:6px;}
input[type=text],input[type=password],input[type=email],input[type=date],input[type=number],select,textarea{
    width:100%;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff
}
textarea{min-height:110px}
button,.btn{
    display:inline-block;padding:10px 14px;border:none;border-radius:10px;background:var(--azul);color:#fff;cursor:pointer
}
.btn-secondary{background:#5b7083}
.btn-danger{background:var(--danger)}
.btn-ok{background:var(--ok)}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}
.alert-success{background:#e8f7ee;color:#12663a}
.alert-error{background:#fdeaea;color:#8c1d27}
.alert-warning{background:#fff5df;color:#8a5a00}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:12px;font-weight:700}
.badge-plan{background:#e8eef8;color:var(--azul)}
.badge-ok{background:#e8f7ee;color:#12663a}
.badge-danger{background:#fdeaea;color:#8c1d27}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{max-width:430px;width:100%;background:#fff;border:1px solid var(--borde);border-radius:18px;padding:28px;box-shadow:0 10px 30px rgba(15,23,42,.08)}
.text-muted{color:#6b7c93}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.small{font-size:12px}


.check-group{display:flex;gap:18px;flex-wrap:wrap;margin-top:8px}
.check-group label{display:flex;align-items:center;gap:8px;font-weight:600}