:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --accent-green: #10B981;
    --accent-green-dark: #059669;
    --warning: #EF4444;
    --warning-dark: #DC2626;
    --warning-yellow: #F59E0B;
    --background: #F8FAFC;
    --sidebar-bg: #1E293B;
    --sidebar-hover: #334155;
    --card-bg: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segue UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
    min-height: 100vh;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 32px 24px;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-header .logo {
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--card-bg);
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group input.input-error {
    border-color: var(--warning);
}

.error-message {
    font-size: 12px;
    color: var(--warning);
    min-height: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.form-group > .checkbox-label {
    flex-direction: row;
    padding: 0;
    background: transparent;
    border: none;
    width: auto;
}

.checkbox-group {
    padding-top: 10px;
}

.checkbox-group .checkbox-label {
    display: inline-flex;
    width: auto;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row > .form-group {
    flex: 1;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

.password-requirements {
    color: var(--text-secondary);
    font-size: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    min-height: 44px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-primary:disabled {
    background: #94A3B8;
    cursor: not-allowed;
}

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

.btn-secondary:hover {
    background: #F1F5F9;
}

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

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

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 10px 16px;
    font-size: 13px;
    min-height: 40px;
}

.btn-loader .spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.form-alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    text-align: center;
}

.form-alert.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green-dark);
    border: 1px solid var(--accent-green);
}

.form-alert.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--warning-dark);
    border: 1px solid var(--warning);
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-footer .link {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
}

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease, width 0.3s ease;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .user-details,
.sidebar.collapsed .nav-item span {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 16px 8px;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 14px 8px;
}

.sidebar.collapsed .nav-submenu {
    display: none;
}

.sidebar.collapsed .nav-item .arrow {
    display: none;
}



.sidebar-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 64px;
}

.sidebar-header .logo svg {
    width: 32px;
    height: 32px;
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    min-height: 48px;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: white;
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-item span {
    margin-left: 12px;
    white-space: nowrap;
    overflow: hidden;
    font-size: 14px;
}

.nav-item .arrow {
    margin-left: auto;
    transition: transform 0.2s ease;
}

.nav-item.submenu-open .arrow {
    transform: rotate(180deg);
}

.nav-group {
    display: block;
}

.nav-submenu {
    display: none;
    background: rgba(0, 0, 0, 0.2);
}

.nav-submenu.show {
    display: block;
}

.nav-submenu .nav-item {
    padding-left: 54px;
    font-size: 13px;
    min-height: 44px;
}

.nav-submenu .nav-item::before {
    content: '';
    position: absolute;
    left: 40px;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.nav-text-link {
    display: flex;
    align-items: center;
    margin-left: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
}

.nav-text-link:hover,
.nav-text-link.active {
    color: white;
}

.nav-submenu .nav-item svg {
    width: 16px;
    height: 16px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    font-size: 14px;
}

.user-details {
    overflow: hidden;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    width: 100%;
    height: 100%;
}

.sidebar-overlay.show {
    display: block;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    transition: margin-left 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body:has(.sidebar.collapsed) .main-content {
    margin-left: 70px;
}

body.sidebar-collapsed .main-content {
    margin-left: 70px;
}

.header {
    background: var(--card-bg);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.period-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.period-select {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.period-select:hover {
    border-color: var(--primary);
}

.period-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.1);
}

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

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
}

.menu-toggle:hover {
    background: var(--background);
    color: var(--text-primary);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

.header-title {
    font-size: 20px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.header-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-date {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 140px;
    text-align: center;
}

.period-nav .btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: var(--card-bg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.period-nav .btn-icon:hover {
    background: var(--background);
    border-color: var(--primary);
}

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

.page-content {
    padding: 20px;
    flex: 1;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow);
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

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

.stats-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.stat-card .stat-value.income { color: var(--accent-green); }
.stat-card .stat-value.expense { color: var(--warning); }

.summary-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.summary-card .summary-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    text-align: center;
}

.summary-card .summary-total {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.summary-card .summary-total.income { color: var(--accent-green); }
.summary-card .summary-total.expense { color: var(--warning); }

.summary-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.summary-item {
    text-align: center;
    padding: 14px;
    background: var(--background);
    border-radius: var(--radius);
}

.summary-item .label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.summary-item .value {
    font-size: 18px;
    font-weight: 700;
}

.summary-item .value.income { color: var(--accent-green); }
.summary-item .value.expense { color: var(--warning); }

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.chart-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow);
}

.chart-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    text-align: center;
}

.chart-container {
    position: relative;
    height: 220px;
    overflow: hidden;
    max-width: 100%;
}

.chart-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.data-table-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.table-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.table-title {
    font-size: 15px;
    font-weight: 600;
}

.table-wrapper {
    overflow-x: auto;
}

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

.data-table thead {
    background: var(--background);
}

.data-table th {
    padding: 12px 14px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: var(--background);
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.status-badge.paid, .status-badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green-dark);
}

.status-badge.unpaid, .status-badge.inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--warning-dark);
}

.status-badge.partial {
    background: #FEF08A !important;
    color: #A16207 !important;
    box-shadow: 0 0 8px rgba(234, 179, 8, 0.4);
}

.action-btns {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

.btn-icon.edit { background: rgba(79, 70, 229, 0.1); color: var(--primary); }
.btn-icon.delete { background: rgba(239, 68, 68, 0.1); color: var(--warning); }
.btn-icon.toggle { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    padding: 20px;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--primary);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    padding: 20px;
}

.tab-content.active {
    display: block;
}

.historico-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.historico-item:hover {
    background: #e3f2fd;
    border-color: #90caf9;
    transform: translateX(4px);
}

.historico-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.historico-info strong {
    color: #2c3e50;
}

.historico-importe {
    color: #27ae60;
    font-weight: 600;
}

.badge {
    background: #3498db;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-wide {
    max-width: 600px;
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: var(--radius);
}

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

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

select.form-control {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--card-bg);
    width: 100%;
}

select.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.dashboard-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    min-width: 0;
}

.dashboard-section h2 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dashboard-section h2 svg {
    width: 20px;
    height: 20px;
}

.dashboard-section h2.income { color: var(--accent-green); }
.dashboard-section h2.expense { color: var(--warning); }

.dashboard-total {
    text-align: center;
    margin-bottom: 16px;
}

.dashboard-total .total-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.dashboard-total .amount {
    font-size: 28px;
    font-weight: 700;
}

.dashboard-total .amount.income { color: var(--accent-green); }
.dashboard-total .amount.expense { color: var(--warning); }

.dashboard-breakdown {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 6px;
}

.breakdown-item {
    text-align: center;
    padding: 12px;
    background: var(--background);
    border-radius: var(--radius);
}

.breakdown-item .label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.breakdown-item .value {
    font-size: 15px;
    font-weight: 600;
}

.breakdown-item .value.income { color: var(--accent-green); }
.breakdown-item .value.expense { color: var(--warning); }

.gastos-status-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 6px;
}

.status-box {
    text-align: center;
    padding: 12px;
    background: var(--background);
    border-radius: var(--radius);
}

.status-box.paid .status-value {
    color: var(--accent-green);
    font-size: 15px;
    font-weight: 600;
}

.status-box.pending .status-value {
    color: var(--warning-yellow);
    font-size: 15px;
    font-weight: 600;
}

.status-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.status-value {
    font-size: 15px;
    font-weight: 600;
}

.toggle-months {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 12px;
}

.toggle-months button {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
}

.toggle-months button.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

@media (max-width: 1024px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar .sidebar-header h2,
    .sidebar .user-details,
    .sidebar .nav-item span {
        display: none;
    }
    
    .sidebar .nav-submenu {
        display: none;
    }
    
    .sidebar .nav-submenu.show {
        display: block;
        position: absolute;
        left: 70px;
        top: 0;
        width: 200px;
        background: var(--sidebar-bg);
        box-shadow: 4px 4px 10px rgba(0,0,0,0.3);
    }
    
    .sidebar .nav-submenu.show .nav-item {
        justify-content: flex-start;
        padding: 12px 16px;
    }
    
    .sidebar .nav-submenu.show span {
        display: block;
    }
    
    .sidebar .nav-item {
        justify-content: center;
        padding: 14px;
    }
    
    .sidebar .nav-submenu .nav-item::before {
        display: none;
    }
    
    .sidebar .arrow {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }
    
    .charts-row {
        grid-template-columns: 1fr !important;
    }
    
    .dashboard-section {
        padding: 16px;
        overflow: hidden;
    }
    
    .dashboard-total .amount {
        font-size: 24px;
    }
    
    .dashboard-total .total-label {
        font-size: 12px;
    }
    
    .dashboard-breakdown {
        grid-template-columns: 1fr 1fr;
    }
    
    .chart-container {
        height: 180px;
    }

    .stats-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-title {
        font-size: 17px;
        max-width: 160px;
    }

    .header-center .period-select {
        font-size: 12px;
        padding: 5px 8px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 10px;
        font-size: 13px;
    }

    .stat-card .stat-value {
        font-size: 17px;
    }

    .page-content {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 13px;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .sidebar.mobile-open .sidebar-header h2,
    .sidebar.mobile-open .user-details,
    .sidebar.mobile-open .nav-item span {
        display: block;
    }
    
    .sidebar.mobile-open .nav-item {
        justify-content: flex-start;
        padding: 14px 16px;
    }
    
    .sidebar.mobile-open .nav-submenu.show {
        display: block;
    }
    
    .sidebar.mobile-open .arrow {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    body {
        overflow-x: hidden;
    }
    
    .page-content {
        padding: 14px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card {
        padding: 14px;
    }
    
    .stat-card .stat-value {
        font-size: 18px;
    }
    
    .summary-card {
        padding: 16px;
    }
    
    .summary-card .summary-total {
        font-size: 24px;
    }
    
    .summary-row {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr !important;
    }
    
    .charts-row {
        grid-template-columns: 1fr !important;
    }
    
    .chart-card {
        padding: 14px;
    }
    
    .chart-container {
        height: 180px;
    }
    
    .header {
        padding: 10px 14px;
        flex-wrap: wrap;
        gap: 8px;
        min-height: auto;
    }

    .header-left {
        flex: 1;
        min-width: 0;
    }
    
    .header-title {
        font-size: 15px;
        max-width: 120px;
    }

    .header-center {
        position: static;
        transform: none;
        order: 3;
        width: 100%;
        justify-content: center;
        padding-top: 6px;
        border-top: 1px solid var(--border);
        margin-top: 4px;
    }

    .header-center .period-select {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .header-right .btn span {
        display: none;
    }
    
    .header-right .btn {
        padding: 10px;
        min-width: 40px;
    }

    .modal {
        max-width: calc(100vw - 32px);
        margin: 0 16px;
    }

    .modal-body {
        padding: 16px;
    }

    .modal-footer {
        padding: 12px 16px;
    }

    .form-row {
        flex-direction: column;
        gap: 12px;
    }

    .data-table th,
    .data-table td {
        padding: 8px 6px;
        font-size: 12px;
    }

    .action-btns {
        gap: 4px;
    }

    .btn-icon {
        width: 30px;
        height: 30px;
    }

    .login-card {
        padding: 28px 20px;
    }

    .login-container {
        max-width: 100%;
    }

    .page-title {
        font-size: 18px;
        margin-bottom: 16px;
    }

    .chart-card h3 {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 12px;
    }
    
    .login-card {
        padding: 24px 16px;
    }

    .login-container {
        max-width: 100%;
    }

    .login-header h1 {
        font-size: 20px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .page-content {
        padding: 10px;
    }
    
    .page-title {
        font-size: 16px;
        margin-bottom: 14px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid-3 {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .stat-card .stat-label {
        margin-bottom: 0;
    }

    .stat-card .stat-value {
        font-size: 16px;
    }
    
    .summary-card .summary-total {
        font-size: 22px;
    }
    
    .summary-card {
        padding: 14px;
    }

    .summary-item {
        padding: 10px;
    }

    .summary-item .value {
        font-size: 16px;
    }
    
    .dashboard-grid {
        gap: 10px;
    }
    
    .dashboard-section {
        padding: 12px;
        overflow: hidden;
        max-width: 100%;
    }
    
    .dashboard-section h2 {
        font-size: 13px;
        margin-bottom: 10px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .dashboard-total {
        margin-bottom: 10px;
    }
    
    .dashboard-total .amount {
        font-size: 20px;
        word-break: break-all;
    }
    
    .dashboard-breakdown {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    
    .breakdown-item {
        padding: 8px;
    }
    
    .breakdown-item .value {
        font-size: 13px;
        word-break: break-all;
    }

    .gastos-status-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .status-box {
        padding: 10px;
    }
    
    .chart-container {
        height: 150px;
        max-width: 100%;
        overflow: hidden;
    }
    
    .toggle-months {
        flex-wrap: wrap;
    }
    
    .toggle-months button {
        padding: 5px 10px;
        font-size: 11px;
    }
    
    .chart-actions .btn {
        width: 100%;
    }

    .chart-actions {
        flex-direction: column;
        gap: 8px;
    }

    .chart-card {
        padding: 12px;
    }
    
    .modal {
        max-height: calc(100vh - 20px);
        margin: 10px;
        border-radius: var(--radius);
    }
    
    .modal-body {
        padding: 14px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }

    .table-header {
        padding: 10px 12px;
    }

    .table-title {
        font-size: 13px;
    }

    .data-table {
        font-size: 11px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 5px;
    }
    
    .action-btns {
        flex-direction: column;
        gap: 3px;
    }
    
    .btn-icon {
        width: 28px;
        height: 28px;
    }

    .btn-icon svg {
        width: 14px;
        height: 14px;
    }

    .btn-sm {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 36px;
    }

    .header {
        padding: 8px 10px;
    }

    .header-title {
        font-size: 14px;
        max-width: 100px;
    }

    .header-center .period-select {
        font-size: 12px;
        padding: 5px 8px;
    }

    .header-right .btn {
        padding: 8px;
        min-width: 36px;
    }

    .menu-toggle {
        min-width: 36px;
        min-height: 36px;
        padding: 6px;
    }

    .form-row {
        flex-direction: column;
        gap: 10px;
    }

    .stats-grid {
        gap: 8px;
    }

    .page-content {
        padding: 8px;
    }

    .empty-state {
        padding: 24px 12px;
    }

    .status-badge {
        padding: 3px 8px;
        font-size: 10px;
    }
}

@media (max-width: 360px) {
    html {
        font-size: 11px;
    }

    .header-title {
        font-size: 12px;
        max-width: 80px;
    }

    .header-center .period-select {
        font-size: 11px;
        padding: 4px 6px;
    }

    .header-right .btn {
        padding: 6px;
        min-width: 32px;
    }

    .login-card {
        padding: 20px 12px;
    }

    .login-header .logo img {
        width: 40px;
        height: 40px;
    }

    .login-header h1 {
        font-size: 18px;
    }

    .modal {
        margin: 6px;
        border-radius: 6px;
    }

    .modal-body {
        padding: 12px;
    }

    .stat-card .stat-value {
        font-size: 14px;
    }

    .stat-card {
        padding: 10px;
    }

    .data-table th,
    .data-table td {
        padding: 6px 4px;
        font-size: 10px;
    }

    .action-btns {
        gap: 2px;
    }

    .btn-icon {
        width: 24px;
        height: 24px;
    }

    .btn-icon svg {
        width: 12px;
        height: 12px;
    }
}