*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--secondary-color: #10b981;--secondary-hover: #059669;--danger-color: #ef4444;--danger-hover: #dc2626;--warning-color: #f59e0b;--warning-hover: #d97706;--background: #f8fafc;--surface: #ffffff;--surface-secondary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0;--border-hover: #cbd5e1;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius: .5rem;--radius-lg: .75rem}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.navbar{background:var(--surface);border-bottom:1px solid var(--border);padding:1rem 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auto;padding:2rem}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.25}h1{font-size:2.25rem;margin-bottom:1rem}h2{font-size:1.875rem;margin-bottom:1.5rem;text-align:center}h3{font-size:1.5rem;margin-bottom:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{padding:1.5rem;border-bottom:1px solid var(--border);background:var(--surface-secondary)}.card-body{padding:1.5rem}.form-container{max-width:500px;margin:2rem auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.form-header{background:var(--primary-color);color:#fff;padding:1.5rem;text-align:center}.form-header h2{margin:0;color:#fff}.form-body{padding:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:600;color:var(--text-primary);margin-bottom:.5rem;font-size:.875rem}.form-group 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2rem;font-size:1rem}.btn-full{width:100%}.transaction-list{list-style:none;padding:0;margin:0}.transaction-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:1rem;padding:1.5rem;display:flex;justify-content:space-between;align-items:center;transition:all .2s ease;box-shadow:var(--shadow-sm)}.transaction-item:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.transaction-info{flex:1}.transaction-title{font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.transaction-details{display:flex;gap:1rem;font-size:.875rem;color:var(--text-secondary)}.transaction-amount{font-weight:700;font-size:1.125rem}.transaction-amount.positive{color:var(--secondary-color)}.transaction-amount.negative{color:var(--danger-color)}.transaction-amount-container{display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}.transaction-actions{display:flex;gap:.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--surface);border:1px solid 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2rem;color:var(--text-secondary)}.empty-state-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}@media (max-width: 768px){.container{padding:1rem}.navbar{padding:1rem;flex-direction:column;gap:1rem}.navbar-nav{flex-wrap:wrap;justify-content:center}.transaction-item{flex-direction:column;align-items:flex-start;gap:1rem}.transaction-actions{width:100%;justify-content:flex-end}.filter-row{flex-direction:column}.filter-group{min-width:auto}.stats-grid{grid-template-columns:1fr}}@media (max-width: 480px){.form-container,.auth-container{margin:1rem;max-width:none}.form-body,.auth-body{padding:1.5rem}}