.app{min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#333}.app.dark{background:#1a1a1a;color:#fff}.header{background:#fff;padding:1rem 2rem;border-bottom:1px solid #ddd;display:flex;justify-content:space-between;align-items:center}.app.dark .header{background:#2a2a2a;border-bottom-color:#444}.header h1{margin:0;font-size:1.5rem;font-weight:600}.theme-toggle{background:none;border:1px solid #ddd;border-radius:6px;padding:.5rem;cursor:pointer;font-size:1.2rem}.app.dark .theme-toggle{border-color:#555}.nav{background:#fff;padding:1rem 2rem;border-bottom:1px solid #ddd;display:flex;gap:1rem}.app.dark .nav{background:#2a2a2a;border-bottom-color:#444}.nav button{background:none;border:1px solid #ddd;border-radius:6px;padding:.5rem 1rem;cursor:pointer;transition:all .2s}.app.dark .nav button{border-color:#555;color:#fff}.nav button:hover{background:#f0f0f0}.app.dark .nav button:hover{background:#444}.nav button.active{background:#007bff;color:#fff;border-color:#007bff}.main{padding:2rem;max-width:1200px;margin:0 auto}.dashboard h2{margin-bottom:2rem;font-size:1.8rem}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.card{background:#fff;padding:1.5rem;border-radius:8px;border:1px solid #ddd;text-align:center}.app.dark .card{background:#2a2a2a;border-color:#444}.card h3{margin:0 0 .5rem;font-size:1rem;color:#666}.app.dark .card h3{color:#999}.card .amount{margin:0;font-size:1.5rem;font-weight:600;color:#333}.app.dark .card .amount{color:#fff}form{background:#fff;padding:1.5rem;border-radius:8px;border:1px solid #ddd;margin-bottom:2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;align-items:end}.app.dark form{background:#2a2a2a;border-color:#444}form input{padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.app.dark form input{background:#333;border-color:#555;color:#fff}form button{background:#007bff;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:4px;cursor:pointer;font-size:1rem}form button:hover{background:#0056b3}.transaction-list,.card-list{display:flex;flex-direction:column;gap:.5rem}.transaction,.card{background:#fff;padding:1rem;border-radius:6px;border:1px solid #ddd;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;align-items:center}.app.dark .transaction,.app.dark .card{background:#2a2a2a;border-color:#444}.transaction span,.card p{margin:0}@media (max-width: 768px){.header,.nav,.main{padding:1rem}.summary-cards,form{grid-template-columns:1fr}.transaction,.card{grid-template-columns:1fr;text-align:left}}:root{--primary-gradient-start: #667eea;--primary-gradient-end: #764ba2;--primary-color: #667eea;--primary-hover: #5568d3;--success-color: #10b981;--success-hover: #059669;--success-light: #d1fae5;--success-dark: #065f46;--danger-color: #ef4444;--danger-hover: #dc2626;--danger-light: #fee2e2;--danger-dark: #991b1b;--warning-color: #f59e0b;--warning-hover: #d97706;--warning-light: #fef3c7;--warning-dark: #92400e;--info-color: #3b82f6;--info-hover: #2563eb;--bg-primary: #f5f5f5;--bg-secondary: #ffffff;--bg-gradient-start: #f9fafb;--bg-gradient-end: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--border-color: #e5e7eb;--shadow-color: rgba(0, 0, 0, .1);--card-bg: #ffffff;--table-header-bg: #f3f4f6;--table-row-hover-bg: #f9fafb;--progress-bar-bg: #f3f4f6;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: .9375rem;--text-lg: 1rem;--text-xl: 1.125rem;--text-2xl: 1.25rem;--text-3xl: 1.5rem;--text-4xl: 1.75rem;--text-5xl: 2rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: .75rem;--spacing-lg: 1rem;--spacing-xl: 1.5rem;--spacing-2xl: 2rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-base: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .15);--shadow-xl: 0 8px 24px rgba(0, 0, 0, .2);--shadow-2xl: 0 20px 60px rgba(0, 0, 0, .3)}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-gradient-start: #1a1a1a;--bg-gradient-end: #2d2d2d;--text-primary: #e5e5e5;--text-secondary: #9ca3af;--border-color: #404040;--shadow-color: rgba(0, 0, 0, .3);--card-bg: #2d2d2d;--table-header-bg: #1f1f1f;--table-row-hover-bg: #353535;--progress-bar-bg: #1f1f1f;--success-color: #10b981;--success-light: #064e3b;--danger-color: #f87171;--danger-light: #7f1d1d;--warning-color: #fbbf24;--warning-light: #78350f}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);font-size:var(--text-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}#root{min-height:100vh}