:root {
    --azul-900: #0b1437;
    --azul-700: #1e2a78;
    --cian: #22d3ee;
    --indigo: #6366f1;
    --texto-suave: #64748b;
}

* { font-family: 'Poppins', system-ui, sans-serif; }

body {
    min-height: 100vh;
    background: #f1f5f9;
}

/* ---------- Login ---------- */
.fondo-login {
    background: radial-gradient(circle at 20% 10%, #312e81 0%, transparent 45%),
                radial-gradient(circle at 90% 90%, #0e7490 0%, transparent 40%),
                var(--azul-900);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.tarjeta-login {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 24px;
    padding: 36px 28px;
    color: #fff;
    backdrop-filter: blur(14px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, .35);
}

.tarjeta-login .logo { width: 84px; height: 84px; }

.tarjeta-login .form-control {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    color: #fff;
    border-radius: 14px;
    padding: 14px 16px 14px 46px;
}
.tarjeta-login .form-control::placeholder { color: rgba(255, 255, 255, .55); }
.tarjeta-login .form-control:focus {
    background: rgba(255, 255, 255, .15);
    border-color: var(--cian);
    box-shadow: 0 0 0 .2rem rgba(34, 211, 238, .25);
    color: #fff;
}

.campo { position: relative; }
.campo > i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, .6);
    font-size: 1.1rem;
}

.btn-banco {
    background: linear-gradient(135deg, var(--cian), var(--indigo));
    border: 0;
    color: #fff;
    border-radius: 14px;
    padding: 14px;
    font-weight: 600;
    letter-spacing: .3px;
}
.btn-banco:hover, .btn-banco:focus { color: #fff; filter: brightness(1.08); }

/* ---------- Panel ---------- */
.barra {
    background: linear-gradient(135deg, var(--azul-900), var(--azul-700));
    color: #fff;
    padding: 18px 0 70px;
}
.barra .logo { width: 42px; height: 42px; }

.contenido { margin-top: -50px; }

.card-banco {
    border: 0;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

.resumen {
    border-radius: 20px;
    color: #fff;
    padding: 20px;
}
.resumen.saldo  { background: linear-gradient(135deg, #0ea5e9, #6366f1); }
.resumen.ahorro { background: linear-gradient(135deg, #10b981, #0d9488); }
.resumen small  { opacity: .85; }
.resumen .monto { font-size: 1.5rem; font-weight: 700; }

.cliente {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid #e2e8f0;
}
.cliente:last-child { border-bottom: 0; }
.cliente .avatar {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: #eef2ff;
    color: var(--indigo);
    display: grid;
    place-items: center;
    font-weight: 700;
    flex-shrink: 0;
}
.cliente.sin-saldo .avatar { background: #fee2e2; color: #dc2626; }
.cliente .datos { flex: 1; min-width: 0; }
.cliente .etiqueta { color: var(--texto-suave); font-size: .8rem; }

.form-control-lg, .form-select-lg { border-radius: 14px; }

/* ---------- Vista del cliente ---------- */
.tarjeta-cuenta {
    border-radius: 24px;
    padding: 24px;
    color: #fff;
    box-shadow: 0 20px 40px rgba(15, 23, 42, .25);
    position: relative;
    overflow: hidden;
}
.tarjeta-cuenta::after {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    right: -70px;
    top: -90px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .12);
}
.tarjeta-cuenta > * { position: relative; z-index: 1; }
.tema-0 { background: linear-gradient(135deg, #7c3aed, #db2777); }
.tema-1 { background: linear-gradient(135deg, #0ea5e9, #6366f1); }
.tema-2 { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.tema-3 { background: linear-gradient(135deg, #10b981, #0e7490); }
.tema-admin { background: linear-gradient(135deg, #0b1437, #1e2a78 60%, #0e7490); }

.tarjeta-cuenta .logo-mini { width: 38px; height: 38px; border-radius: 10px; }
.monto-grande { font-size: 2rem; font-weight: 700; line-height: 1.2; }
.numero-cuenta { letter-spacing: 3px; opacity: .9; }

.mini-dato {
    background: #fff;
    border-radius: 18px;
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .06);
    height: 100%;
}
.mini-dato .icono {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}
.mini-dato .etiqueta { color: var(--texto-suave); font-size: .8rem; }

/* ---------- Mantenimiento ---------- */
.estado-general {
    display: flex;
    align-items: center;
    gap: 14px;
    border-radius: 20px;
    padding: 18px 20px;
    color: #fff;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .12);
}
.estado-general > i { font-size: 2rem; }
.estado-general.ok    { background: linear-gradient(135deg, #10b981, #0d9488); }
.estado-general.falla { background: linear-gradient(135deg, #ef4444, #b91c1c); }

.check-fila {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
}
.check-fila:last-child { border-bottom: 0; }

.info-servidor {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
}
.info-servidor dt { color: var(--texto-suave); font-weight: 500; }
.info-servidor dd { margin: 0; text-align: right; min-width: 0; }

.chip { border: 1px solid #e2e8f0; font-weight: 500; }
.chip:hover { border-color: var(--indigo); color: var(--indigo); }