:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --new-button-color: #16a34a;
    --new-button-dark: #15803d;
    --dark-bg: #1e293b;
    --darker-bg: #0f172a;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

/* ==== BARRA DE FILTROS ==== */
.filters-bar {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.filters-row {
    display: flex;
    gap: 15px;
    align-items: end;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.filters-row:last-child {
    margin-bottom: 0;
}

.filter-group {
    display: flex;
    flex-direction: column;
    min-width: 150px;
    flex: 1;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.form-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.text-muted {
    color: #6c757d !important;
}

.filters-row {
    display: flex;
    gap: 15px;
    align-items: end;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 150px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.form-control-sm {
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: white;
    transition: border-color 0.2s;
}

.form-control-sm:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-actions {
    display: flex;
    gap: 10px;
    align-items: end;
    margin-left: auto;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    border-radius: 6px;
}

.btn-outline {
    background: transparent;
    border: 1px solid #d1d5db;
    color: var(--text-secondary);
}

.btn-outline:hover {
    background: #f9fafb;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e5e7eb;
    font-size: 14px;
    color: var(--text-secondary);
}

.total-badge, .total-filtrado {
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 18px;
    font-weight: 600;
}

.total-filtrado {
    background: var(--success-color);
}

.header-stats {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ==== PAGINACIÓN ==== */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.page-numbers {
    display: flex;
    gap: 5px;
}

.page-number {
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    background: white;
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.page-number:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-number.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ==== LOGIN PAGE ==== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    animation: fadeInUp 0.5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--new-button-color), var(--new-button-dark));
    color: white;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(22, 163, 74, 0.4);
}

/* Botones primarios sin width 100% */
.btn.btn-primary:not([style*="width"]) {
    background: linear-gradient(135deg, var(--new-button-color), var(--new-button-dark));
    width: auto;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

/* ==== DASHBOARD ==== */
.dashboard {
    display: flex;
    min-height: 100vh;
    background: #f1f5f9;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--darker-bg);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 25px 20px;
    background: var(--dark-bg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    padding: 20px 0;
    list-style: none;
}

.menu-item {
    margin-bottom: 5px;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.menu-link:hover,
.menu-link.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.menu-link i {
    margin-right: 12px;
    font-size: 18px;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
    width: calc(100% - 260px);
}

.topbar {
    background: white;
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar h1 {
    font-size: 24px;
    color: var(--text-primary);
    font-weight: 700;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 5px;
}

/* Content Card */
.content-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #f8fafc;
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-secondary);
}

tbody tr:hover {
    background: #f8fafc;
}

/* Badge */
.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideDown 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
}

.close-modal {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--danger-color);
}

/* Alert */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==== RESPONSIVE ==== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 20px;
    }

    .menu-toggle {
        display: block;
    }

    .topbar {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    .topbar h1 {
        font-size: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .content-card {
        padding: 20px;
    }

    .card-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    table {
        font-size: 12px;
    }

    th, td {
        padding: 10px;
    }

    .login-box {
        padding: 30px 20px;
    }

    .modal-content {
        padding: 20px;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .stat-value {
        font-size: 24px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    th {
        font-size: 11px;
    }

    td {
        font-size: 12px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid rgba(99, 102, 241, 0.1);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: 20px auto;
}

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

.text-center {
    text-align: center;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.d-flex {
    display: flex;
}

.gap-2 {
    gap: 0.5rem;
}

.justify-content-end {
    justify-content: flex-end;
}

/* ==== ESTILOS PARA GASTOS ==== */
.currency-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.currency-badge.currency-cop {
    background-color: #dcfce7;
    color: #16a34a;
}

.currency-badge.currency-usd {
    background-color: #dbeafe;
    color: #2563eb;
}

.currency-badge.currency-eur {
    background-color: #fef3c7;
    color: #d97706;
}

/* Panel de filtros específico para gastos */
.filters-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.filters-row {
    display: flex;
    gap: 15px;
    align-items: end;
    margin-bottom: 15px;
}

.filters-row:last-child {
    margin-bottom: 0;
}

.filter-group {
    display: flex;
    flex-direction: column;
    min-width: 150px;
}

.filter-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.filter-actions {
    flex-direction: row !important;
    gap: 10px;
    align-items: end;
}

.filter-actions .btn {
    margin-bottom: 0;
}

/* Notificaciones mejoradas */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transform: translateX(400px);
    transition: transform 0.3s ease-in-out;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background-color: #10b981;
    color: white;
    border-left: 4px solid #065f46;
}

.notification.error {
    background-color: #ef4444;
    color: white;
    border-left: 4px solid #7f1d1d;
}

.notification i {
    font-size: 16px;
}

/* Responsive para filtros */
@media (max-width: 768px) {
    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
        width: 100%;
    }
    
    .filter-actions {
        flex-direction: row !important;
        justify-content: center;
        margin-top: 10px;
    }
    
    .notification {
        left: 10px;
        right: 10px;
        transform: translateY(-100px);
        max-width: none;
    }
    
    .notification.show {
        transform: translateY(0);
    }
}

/* ==== ESTILOS PARA MODALES ==== */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 0;
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-content.modal-sm {
    max-width: 400px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header .close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    background: none;
    border: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.modal-header .close:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
}

.modal form {
    padding: 20px;
}

.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    flex: 1;
    margin-bottom: 15px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    background: white;
    color: var(--text-primary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.modal-actions {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    background: #f8fafc;
    border-radius: 0 0 12px 12px;
}

/* Responsive para modales */
@media (max-width: 768px) {
    .modal-content {
        margin: 2% auto;
        width: 95%;
        max-height: 95vh;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .modal-actions {
        flex-direction: column-reverse;
    }
    
    .modal-actions .btn {
        width: 100%;
        justify-content: center;
    }
}