* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

body {
    background: #f0f7f0;
    padding: 24px 20px;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

.header {
    margin-bottom: 28px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}
.title-section h1 {
    font-size: 1.9rem;
    color: #1e3a2f;
    font-weight: 700;
}
.title-section p {
    color: #2d5a3f;
    margin-top: 6px;
}
.badge {
    background: #1e5c3a;
    color: white;
    padding: 8px 18px;
    border-radius: 40px;
    font-weight: 600;
}

.tabs-container {
    background: white;
    border-radius: 28px;
    padding: 20px 24px;
    margin-bottom: 32px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.tabs-header {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid #e8f0ea;
    margin-bottom: 24px;
}
.tab-btn {
    background: none;
    border: none;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 30px 30px 0 0;
    transition: all 0.2s;
    color: #5a6e62;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.tab-btn.active {
    color: #1e5c3a;
    background: #e8f0ea;
    border-bottom: 3px solid #1e5c3a;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

.filter-panel {
    background: #f8fcf9;
    border-radius: 24px;
    padding: 18px 20px;
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}
.filter-box {
    background: white;
    padding: 5px 14px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid #bdd4c5;
}
.filter-box label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #1e3a2f;
}
select, input {
    padding: 6px 10px;
    border-radius: 30px;
    border: 1px solid #bdd4c5;
    background: white;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
}
.search-box input {
    border: none;
    background: transparent;
    padding: 6px 0;
    width: 180px;
    outline: none;
}
.reset-btn {
    background: #e8f0ea;
    border: none;
    padding: 6px 16px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.reset-btn:hover {
    background: #cbdcd0;
}

/* Excel Export Button Styles */
.export-btn {
    background: #1e5c3a;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.export-btn:hover {
    background: #154d30;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.stats-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    flex: 1;
    min-width: 150px;
    background: white;
    border-radius: 20px;
    padding: 16px 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid;
    text-align: center;
}
.stat-card.ingreso { border-left-color: #15803d; }
.stat-card.egreso { border-left-color: #b91c1c; }
.stat-card .stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #5a6e62;
}
.stat-card .stat-number {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 8px 0 4px;
}
.stat-card .stat-sub {
    font-size: 0.65rem;
    color: #5a6e62;
}

.table-container {
    background: white;
    border-radius: 20px;
    overflow-x: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    max-height: 70vh;
    overflow-y: auto;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.data-table th, .data-table td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid #e8f0ea;
}
.data-table th {
    background: #f8fcf9;
    font-weight: 700;
    color: #1e5c3a;
    position: sticky;
    top: 0;
    z-index: 10;
}
.number-cell {
    text-align: right;
    font-weight: 500;
}
.socio-link {
    color: #1e5c3a;
    cursor: pointer;
    text-decoration: underline;
    font-weight: 600;
}
.socio-link:hover {
    color: #0f3b2c;
}
.socio-empty {
    color: #a0aec0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: white;
    border-radius: 28px;
    width: 90%;
    max-width: 1400px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 24px;
    position: relative;
    animation: modalFadeIn 0.2s ease;
}
@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e8f0ea;
}
.modal-header h2 {
    font-size: 1.4rem;
    color: #1e3a2f;
}
.close-modal {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #5a6e62;
    transition: 0.2s;
}
.close-modal:hover {
    color: #b91c1c;
}
.modal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}
.modal-table th, .modal-table td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid #e8f0ea;
}
.modal-table th {
    background: #f8fcf9;
    font-weight: 700;
    color: #1e5c3a;
    position: sticky;
    top: 0;
}
.modal-stats {
    background: #e8f0ea;
    padding: 12px 16px;
    border-radius: 16px;
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}
.modal-stats span {
    font-weight: 600;
    color: #1e3a2f;
}
.modal-category-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
    padding: 10px;
    background: #f8fcf9;
    border-radius: 20px;
}
.modal-cat-card {
    flex: 1;
    min-width: 120px;
    background: white;
    border-radius: 16px;
    padding: 10px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    border-left: 3px solid #15803d;
}
.modal-cat-card .cat-name {
    font-size: 0.7rem;
    font-weight: 600;
    color: #4b6b58;
    text-transform: uppercase;
}
.modal-cat-card .cat-amount {
    font-size: 1rem;
    font-weight: 800;
    color: #1e3a2f;
    margin-top: 5px;
}
.modal-cat-card .cat-percent {
    font-size: 0.6rem;
    color: #5a6e62;
}

.footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.7rem;
    color: #5a6e62;
}
@media (max-width: 900px) {
    .filter-group { flex-direction: column; align-items: stretch; }
    .search-box input { width: 100%; }
    .stat-card .stat-number { font-size: 1rem; }
    .data-table th, .data-table td { padding: 8px 4px; font-size: 0.7rem; }
    .modal-cat-card { min-width: 100px; }
}

/* Loading Overlay & Spinner Styles */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(240, 247, 240, 0.95);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-overlay p {
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a2f;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #bdd4c5;
    border-top: 5px solid #1e5c3a;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}