.app-navigation{background:linear-gradient(135deg,var(--color-primary) 0%,#4a5a9a 100%);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,.1)}.nav-container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-lg);height:70px;display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-xl)}.nav-logo{display:flex;align-items:center;text-decoration:none;transition:transform .2s ease;outline:none}.nav-logo:hover{transform:scale(1.05)}.nav-logo:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:4px;border-radius:4px}.logo-content{display:flex;align-items:center;gap:.5rem}.logo-icon{font-size:1.75rem;display:inline-block}.nav-logo h1{margin:0;font-size:1.5rem;font-weight:700;color:#fff;letter-spacing:-.5px;white-space:nowrap}.nav-links{list-style:none;margin:0;padding:0;display:flex;gap:var(--spacing-md);align-items:center}.nav-link{display:flex;align-items:center;color:#ffffffd9;text-decoration:none;font-weight:500;font-size:1rem;padding:.5rem 1rem;border-radius:6px;transition:all .2s ease;cursor:pointer;position:relative;outline:none;border:2px solid transparent}.nav-link:hover{color:#fff;background-color:#ffffff1f;transform:translateY(-1px)}.nav-link:focus-visible{border-color:#fff9;background-color:#ffffff1f}.nav-link.active{color:#fff;background-color:#ffffff40;font-weight:600;border-bottom:3px solid white;padding-bottom:calc(.5rem - 3px)}.nav-link.active:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:0;height:0}@media (max-width: 768px){.nav-container{height:65px;padding:0 var(--spacing-md);gap:var(--spacing-lg)}.nav-logo 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var(--color-border);border-radius:calc(var(--border-radius) - 2px);font-size:1rem;transition:border-color .2s ease;background:var(--color-light);color:var(--color-dark)}.transaction-form .form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #5367ab1a}.transaction-form .form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:2.5rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;background-size:1rem;cursor:pointer}.transaction-form .form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #5367ab1a}.transaction-form .form-select option{background:var(--color-light);color:var(--color-dark);padding:.5rem}.transaction-form 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p{margin:0;font-size:.9rem}.form-group{margin-bottom:1.25rem}.form-group:last-child{margin-bottom:0}.form-group label{display:block;font-weight:500;color:var(--color-dark);margin-bottom:.5rem;font-size:.95rem}.form-input,.form-select{width:100%;padding:.625rem .75rem;border:1px solid #d1d5db;border-radius:6px;font-size:1rem;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;background-color:#fff;box-sizing:border-box}.form-input:focus,.form-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.form-input:hover,.form-select:hover{border-color:#9ca3af}.form-input:disabled,.form-select:disabled{background-color:#f3f4f6;color:#9ca3af;cursor:not-allowed}.edit-modal-footer{padding:1.5rem;border-top:1px solid #e5e7eb;display:flex;gap:1rem;justify-content:flex-end;background-color:#f9fafb}.edit-modal-btn{padding:.625rem 1.25rem;border:1px solid #d1d5db;border-radius:6px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all 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var(--spacing-lg);text-align:center}.page-description{font-size:1.125rem;color:#555;max-width:600px;margin:0 auto;line-height:1.6}.layout-container{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1fr 1.2fr;gap:var(--spacing-lg)}.visualization-container,.recent-activity-container{max-width:1400px;margin:var(--spacing-xl) auto 0;width:100%}.section-wrapper{background:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-md);overflow:hidden}.section-wrapper h2{font-size:1.5rem;color:var(--color-dark);margin-bottom:var(--spacing-lg);font-weight:600}.form-input,.income-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--border-radius);font-size:1rem;transition:border-color .2s ease;font-family:var(--font-family)}.form-input:focus,.income-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px 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h2{font-size:1.25rem}}.expense-visualization-section{padding:var(--spacing-lg);background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.expense-visualization-section h2{font-size:1.5rem;color:var(--color-dark);margin-bottom:var(--spacing-lg);font-weight:600}.empty-state{text-align:center;padding:var(--spacing-xl);color:#666}.empty-state p{margin:0;font-size:1rem;line-height:1.5}.charts-container{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.chart-wrapper{background-color:#f8f9fa;padding:var(--spacing-md);border-radius:var(--border-radius);border:1px solid #eee}.chart-wrapper h3{font-size:1.125rem;color:var(--color-dark);margin:0 0 var(--spacing-md) 0;font-weight:600}.pie-chart-wrapper,.bar-chart-wrapper{display:flex;flex-direction:column}.recharts-surface{border-radius:var(--border-radius)}.recharts-legend-wrapper{padding:var(--spacing-md) 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(max-width: 1024px){.charts-container{grid-template-columns:1fr}}@media (max-width: 768px){.expense-visualization-section{padding:var(--spacing-md)}.expense-visualization-section h2{font-size:1.25rem;margin-bottom:var(--spacing-md)}.chart-wrapper{padding:var(--spacing-sm)}.chart-wrapper h3{font-size:1rem;margin-bottom:var(--spacing-sm)}.charts-container{gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.visualization-stats{grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.stat-item{padding:var(--spacing-sm)}.stat-label{font-size:.75rem}.stat-value{font-size:1.25rem}}@media (max-width: 480px){.visualization-stats{grid-template-columns:1fr}.recharts-surface{height:auto!important}}.filters-panel{background-color:#f9fafb;padding:var(--spacing-lg);border-radius:var(--border-radius);border:1px solid #e5e7eb;margin-bottom:var(--spacing-lg)}.filters-panel h3{margin:0 0 var(--spacing-md) 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#5367ab33;transform:translateY(0)}.btn-primary:disabled{background-color:#ccc;color:#999;cursor:not-allowed;opacity:.6;box-shadow:none}.btn-delete{background:none;border:none;color:var(--color-primary);font-size:1.25rem;cursor:pointer;padding:var(--spacing-sm);transition:all .2s ease;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:6px}.btn-delete:hover{background-color:#ffe0e0;color:#d63031}@media (max-width: 1024px){.layout-container{grid-template-columns:1fr}.page-header h1{font-size:2rem}}@media (max-width: 768px){.main-content{padding:var(--spacing-lg)}.layout-container,.visualization-container,.recent-activity-container{padding:0 var(--spacing-md)}.page-header{margin-bottom:var(--spacing-lg);padding:0 var(--spacing-md)}.page-header h1{font-size:1.75rem}.page-description{font-size:.95rem}.form-group{margin-bottom:var(--spacing-md)}.section-wrapper{padding:var(--spacing-md)}}@media (max-width: 480px){.main-content{padding:var(--spacing-md)}.layout-container,.visualization-container,.recent-activity-container{padding:0 var(--spacing-sm)}.page-header{margin-bottom:var(--spacing-md);padding:0 var(--spacing-sm)}.page-header h1{font-size:1.5rem;margin-bottom:var(--spacing-xs)}.page-description{font-size:.9rem}.container h1{font-size:1.75rem}}:root{--color-primary: #5367AB;--color-light: #ffffff;--color-dark: #333;--color-border: #ddd;--color-background: #f8f9fa;--color-income: #16a34a;--color-income-light: rgba(22, 163, 74, .1);--color-income-border: rgba(22, 163, 74, .2);--color-expense: #dc2626;--color-expense-light: rgba(220, 38, 38, .1);--color-expense-border: rgba(220, 38, 38, .2);--color-success: #16a34a;--color-error: #dc2626;--color-warning: #dc2626;--color-positive: #16a34a;--color-negative: #dc2626;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--spacing-xs: 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var(--transition-base)}a:hover{color:#4a5a9a;text-decoration:underline}a:active{color:#3f4f85}button{cursor:pointer;font-family:var(--font-family)}button:disabled{cursor:not-allowed;opacity:.6}input,textarea,select{font-family:var(--font-family)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-background)}::-webkit-scrollbar-thumb{background:#bbb;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#888}