body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}nav{text-align:center;background:#f8f9fa;border-bottom:1px solid #ddd;padding:20px}nav a{color:#2c3e50;margin:0 10px;text-decoration:none}nav a.router-link-active{color:#42b883;font-weight:700}:root{--primary:#10b981;--primary-hover:#059669;--bg-app:#f8fafc;--card-bg:#fff;--text-main:#1e293b;--text-muted:#64748b;--danger:#ef4444;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a}*{box-sizing:border-box}body{background-color:var(--bg-app);color:var(--text-main);margin:0;font-family:Inter,-apple-system,system-ui,sans-serif;line-height:1.5}#app{max-width:1200px;min-height:100vh;margin:0 auto}.container{max-width:800px;margin:0 auto;padding:2rem}.card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:1rem;padding:1.5rem}h1{letter-spacing:-.025em;margin-bottom:1.5rem;font-size:1.875rem;font-weight:700}h2{margin-bottom:1rem;font-size:1.5rem;font-weight:600}button{cursor:pointer;border:1px solid #0000;border-radius:.5rem;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.875rem;font-weight:600;transition:all .2s;display:inline-flex}button.primary{background:var(--primary);color:#fff}button.primary:hover{background:var(--primary-hover)}button.secondary{border-color:var(--border-color);color:var(--text-main);background:#fff}button.secondary:hover{background:var(--bg-app)}button.danger{color:var(--danger);background:#fef2f2;border-color:#fee2e2}button:disabled{opacity:.5;cursor:not-allowed}input,select{border:1px solid var(--border-color);border-radius:.5rem;width:100%;padding:.5rem .75rem;font-size:.875rem}input:focus{outline:2px solid var(--primary);outline-offset:1px}