:root {
    --marca: #155C7A;
    --acento: #1E7BA8;
    --borde: #E2E8ED;
    --tinta: #1B2B34;
    --suave: #64798A;
    --fondo: #F4F6F8;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    color: var(--tinta);
    background: var(--fondo);
}

h1 { font-size: 1.5rem; margin: 0 0 .3rem; }
.sub { color: var(--suave); margin: 0 0 1rem; }
.nota { color: var(--suave); font-size: .85rem; margin-top: 1rem; }
code { background: #eef2f5; padding: 1px 5px; border-radius: 4px; }

/* Estructura general */
.app { display: flex; min-height: 100vh; }
.barra { width: 220px; background: #10323F; color: #fff; display: flex; flex-direction: column; padding: 18px 14px; }
.barra .marca { font-size: 1.25rem; font-weight: 700; letter-spacing: .5px; margin-bottom: 22px; }
.barra nav { display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.barra .nav-sec { color: #7fa0ae; font-size: .7rem; text-transform: uppercase; letter-spacing: .5px; margin: 12px 0 4px; padding: 0 12px; }
.barra nav a { color: #cfe0e8; text-decoration: none; padding: 9px 12px; border-radius: 8px; font-size: .95rem; }
.barra nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.barra nav a.active { background: var(--acento); color: #fff; }
.usuario { border-top: 1px solid rgba(255,255,255,.12); padding-top: 12px; }
.usuario .nombre { font-weight: 600; }
.usuario .empresa { color: #9db6c2; font-size: .8rem; margin-bottom: 8px; }
.salir { background: transparent; border: 1px solid rgba(255,255,255,.25); color: #cfe0e8; padding: 6px 10px; border-radius: 8px; cursor: pointer; }
.salir:hover { background: rgba(255,255,255,.08); }
main { flex: 1; padding: 24px 28px; }

/* Botones */
.btn, .btn-primario { border: 1px solid var(--borde); background: #fff; color: var(--tinta); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: .9rem; }
.btn:hover { background: #f1f5f8; }
.btn-primario { background: var(--marca); color: #fff; border-color: var(--marca); font-weight: 600; width: 100%; padding: 11px; margin-top: 8px; }
.btn-primario:hover { background: #124e67; }
button:disabled { opacity: .6; cursor: default; }
.mini { border: 1px solid var(--borde); background: #fff; border-radius: 6px; padding: 1px 7px; cursor: pointer; margin: 0 2px; }

input { border: 1px solid var(--borde); border-radius: 8px; padding: 9px 11px; font-size: .95rem; width: 100%; }

/* Login */
.login-marco { display: flex; align-items: center; justify-content: center; min-height: 100vh; width: 100%; }
.login-caja { background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 30px; width: 340px; box-shadow: 0 10px 30px rgba(0,0,0,.06); }
.login-marca { font-size: 1.6rem; font-weight: 800; color: var(--marca); }
.login-sub { color: var(--suave); margin-bottom: 18px; }
.login-caja label { display: block; font-size: .8rem; color: var(--suave); margin: 10px 0 4px; }
.login-error { background: #FDECEA; color: #8A231B; border: 1px solid #F1B7B0; border-radius: 8px; padding: 8px 10px; margin-top: 10px; font-size: .85rem; }
.login-pista { text-align: center; color: var(--suave); font-size: .8rem; margin-top: 10px; }

/* Tarjetas del panel */
.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 18px; }
.tarjeta .cifra { font-size: 2rem; font-weight: 700; color: var(--marca); }
.tarjeta .etq { color: var(--suave); font-size: .85rem; }

/* Grilla / tablas */
.encabezado { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.acciones { display: flex; gap: 10px; align-items: center; }
.acciones input { width: 220px; }
.aviso { background: #EAF4F8; border: 1px solid #BEE0EC; border-radius: 8px; padding: 9px 12px; margin: 10px 0; font-size: .9rem; }
.grilla { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--borde); border-radius: 10px; overflow: hidden; margin-top: 10px; }
.grilla th, .grilla td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--borde); font-size: .9rem; }
.grilla th { background: #f6f8fa; color: var(--suave); font-weight: 600; }
.grilla .der, td.der, th.der { text-align: right; }

/* Punto de venta */
.pos { display: grid; grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }
.resultados { list-style: none; margin: 6px 0; padding: 0; border: 1px solid var(--borde); border-radius: 8px; background: #fff; }
.resultados li { display: flex; justify-content: space-between; padding: 8px 12px; cursor: pointer; border-bottom: 1px solid var(--borde); }
.resultados li:hover { background: #eef4f8; }
.total-caja { background: #fff; border: 1px solid var(--borde); border-radius: 12px; padding: 18px; }
.total-label { color: var(--suave); font-size: .8rem; }
.total-monto { font-size: 2.2rem; font-weight: 800; color: var(--tinta); margin-bottom: 12px; }
.total-linea { display: flex; justify-content: space-between; color: var(--suave); font-size: .9rem; padding: 3px 0; }

/* Usuarios */
h2 { font-size: 1.15rem; }
.sel { border: 1px solid var(--borde); border-radius: 8px; padding: 9px 11px; font-size: .95rem; width: 100%; background: #fff; }
.permisos { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.permiso { display: flex; align-items: center; gap: 6px; font-size: .88rem; }
.permiso input { width: auto; }