:root {
    --azul-oscuro: #0F172A;
    --azul-medio: #1E3A8A;
    --azul-claro: #3B82F6;
    --fondo: #F0F5FA;
    --texto: #1E293B;
}

body {
    background-color: var(--fondo);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--texto);
}

.erp-navbar {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
    border-bottom: 3px solid var(--azul-claro);
    padding: 0.8rem 0;
}

.submenu-bar {
    background-color: #FFFFFF;
    border-bottom: 1px solid #E2E8F0;
    box-shadow: 0 2px 6px rgba(148, 163, 184, 0.08);
    position: sticky;
    top: 0;
    z-index: 1020;
}
.submenu-link {
    color: #475569;
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    transition: all 0.15s ease;
    white-space: nowrap;
}
.submenu-link:hover {
    background-color: #EFF6FF;
    color: var(--azul-medio);
}
.submenu-link.active {
    background: linear-gradient(90deg, var(--azul-medio) 0%, var(--azul-claro) 100%);
    color: #FFFFFF;
}

.card-metrica {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 1.2rem;
    box-shadow: 0 4px 12px rgba(148, 163, 184, 0.08);
    height: 100%;
}
.card-metrica .valor {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--azul-oscuro);
}
.card-metrica .etiqueta {
    font-size: 0.85rem;
    color: #64748B;
    font-weight: 600;
}

.badge-pagado { background-color: #D1FAE5; color: #065F46; }
.badge-pendiente { background-color: #FEF3C7; color: #92400E; }

.cal-header-row th { background-color: var(--azul-medio); color: #FFF; }
.cal-calendar-table { table-layout: fixed; width: 100%; }
.cal-calendar-table th, .cal-calendar-table td { width: 14.28%; }
.cal-grid-cell {
    min-height: 90px;
    max-height: 160px;
    height: 100%;
    vertical-align: top;
    padding: 6px !important;
    overflow-y: auto;
    overflow-x: hidden;
}
.cal-day-number { font-weight: 800; border-bottom: 1px solid #F1F5F9; margin-bottom: 4px; }
.cal-item-card {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 5px;
    border-radius: 4px;
    margin-top: 3px;
    text-align: left;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
}
.item-unpresented { background-color: #FEF3C7; color: #92400E; border-left: 3px solid #F59E0B; }
.item-presented { background-color: #DBEAFE; color: #1E40AF; border-left: 3px solid #2563EB; }
.item-paid { background-color: #D1FAE5; color: #065F46; border-left: 3px solid #10B981; }
.badge-demo { padding: 4px 8px; border-radius: 6px; font-size: 0.75rem; font-weight: 700; margin-right: 6px; }

.support-card {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-top: 5px solid #2563EB;
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(148, 163, 184, 0.1);
    text-align: center;
    height: 100%;
}
.support-card-wa { border-top: 5px solid #10B981; }
.support-icon { font-size: 2.5rem; margin-bottom: 0.6rem; }
.support-title { font-size: 1.2rem; font-weight: 700; color: #0F172A; margin-bottom: 0.5rem; }
.support-desc { color: #64748B; font-size: 0.9rem; margin-bottom: 1.2rem; line-height: 1.5; }
.support-contact-highlight {
    font-size: 1.1rem; font-weight: 700; color: #1E3A8A;
    background-color: #EFF6FF; padding: 8px 14px; border-radius: 8px;
    display: inline-block; margin-bottom: 0.5rem;
}

.table-responsive-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(148, 163, 184, 0.08);
}

/* En pantallas pequeñas, las tablas se muestran como tarjetas apiladas */
@media (max-width: 768px) {
    .table-responsive-card table thead {
        display: none;
    }
    .table-responsive-card table, 
    .table-responsive-card tbody, 
    .table-responsive-card tr, 
    .table-responsive-card td {
        display: block;
        width: 100%;
    }
    .table-responsive-card tr {
        margin-bottom: 1rem;
        border: 1px solid #E2E8F0;
        border-radius: 10px;
        padding: 0.5rem;
    }
    .table-responsive-card td {
        text-align: right;
        padding: 0.4rem 0.6rem;
        border: none;
    }
    .table-responsive-card td::before {
        content: attr(data-label);
        float: left;
        font-weight: 700;
        color: var(--azul-oscuro);
    }
}