/* ===================================
   LAYOUT - Estructura de página, grids y responsive
   (Réplica de style.css del proyecto real)
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Summary Grid */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Totals Grid */
.totals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.helper-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .card {
        padding: 20px;
    }

    .filter-buttons {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }

    .transactions-table {
        font-size: 0.85rem;
    }

    .transactions-table th,
    .transactions-table td {
        padding: 10px;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        padding: 0;
    }

    .upload-section,
    .action-buttons,
    .filter-buttons,
    .assign-select,
    .demo-badge {
        display: none !important;
    }

    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }

    .header {
        background: var(--primary-color);
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}