*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root{--primary-color: #2563eb;--secondary-color: #64748b;--success-color: #059669;--warning-color: #d97706;--error-color: #dc2626;--background-color: #f8fafc;--surface-color: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px 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);--border-radius: 8px;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}.button{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border:none;border-radius:var(--border-radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition);text-decoration:none;gap:.5rem}.button-primary{background-color:var(--primary-color);color:#fff}.button-primary:hover{background-color:#1d4ed8}.button-secondary{background-color:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color)}.button-secondary:hover{background-color:#f1f5f9}.button:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--surface-color);border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow)}.loading-spinner{width:24px;height:24px;border:2px solid var(--border-color);border-top:2px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.app{display:flex;flex-direction:column;height:100vh;background-color:var(--background-color)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--surface-color);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow);z-index:1000}.app-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0}.app-main{flex:1;position:relative;overflow:hidden}.visualization-container{width:100vw;height:calc(100vh - 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