*{box-sizing:border-box;margin:0;padding:0}body{color:#1a1a1a;background:#fafafa;min-height:100vh;font-family:system-ui,sans-serif}.app{max-width:780px;margin:0 auto;padding:2rem 1.5rem}header{margin-bottom:2rem}header h1{margin-bottom:.3rem;font-size:1.6rem;font-weight:600}header p{color:#666;font-size:.9rem}.input-section{margin-bottom:1.5rem}.input-row{gap:8px;margin-bottom:.5rem;display:flex}input[type=text]{background:#fff;border:1px solid #ddd;border-radius:8px;outline:none;flex:1;padding:9px 12px;font-family:monospace;font-size:15px}input[type=text]:focus{border-color:#534ab7}input[type=text].has-error{border-color:#e24b4a}button{color:#fff;cursor:pointer;background:#1a1a1a;border:none;border-radius:8px;padding:9px 18px;font-size:14px}button:hover{background:#333}.error{color:#e24b4a;margin-bottom:.5rem;font-size:13px}.chips{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:.5rem;display:flex}.chips-label{color:#888;font-size:12px}.chip{color:#555;cursor:pointer;background:0 0;border:1px solid #ddd;border-radius:99px;padding:3px 10px;font-family:monospace;font-size:12px}.chip:hover{color:#1a1a1a;background:#f0f0f0}.supported{color:#999;font-size:12px}.supported code{background:#f0f0f0;border-radius:4px;padding:1px 4px;font-family:monospace}.canvas-wrap{background:#fff;border:1px solid #e8e8e8;border-radius:12px;margin-bottom:1.5rem;overflow:hidden}.canvas-wrap svg{display:block}.legend{border-top:1px solid #f0f0f0;flex-wrap:wrap;gap:16px;padding:10px 16px;font-size:12px;display:flex}.legend-item{color:#555}.legend-item.start{color:#0f6e56}.legend-item.accept{color:#534ab7}.legend-item.inter{color:#888}.eps-note{color:#bbb;margin-left:auto}.table-wrap h3{color:#555;margin-bottom:.75rem;font-size:14px;font-weight:500}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:#666;background:#f5f5f5;border-bottom:1px solid #eee;padding:8px 12px;font-weight:500}td{border-bottom:1px solid #f5f5f5;padding:7px 12px;font-family:monospace}td code{background:#f5f5f5;border-radius:4px;padding:1px 5px}.badge{border-radius:99px;margin-left:6px;padding:1px 6px;font-family:system-ui;font-size:10px;display:inline-block}.start-badge{color:#0f6e56;background:#e1f5ee}.accept-badge{color:#534ab7;background:#eeedfe}.result{color:#1a1a1a;margin:.4rem 0 .6rem;font-size:1.1rem}.result strong{color:#534ab7}.canvas-wrap{background:#fff;border:1px solid #e8e8e8;border-radius:12px;margin-bottom:1.5rem;padding:1rem;overflow:hidden}.canvas-wrap h3{color:#555;margin-bottom:.75rem;font-size:14px;font-weight:500}.badge-number{color:#0f6e56;background:#e1f5ee}.badge-op{color:#534ab7;background:#eeedfe}.badge-lparen,.badge-rparen{color:#5f5e5a;background:#f1efe8}