*{margin:0;padding:0;box-sizing:border-box}html{overflow-x:hidden;width:100%;max-width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f8f9fa;color:#1a1a1a;line-height:1.6;overflow-x:hidden;width:100%;max-width:100%}#app{max-width:1400px;margin:0 auto;padding:20px;width:100%;max-width:100%;box-sizing:border-box;overflow-x:hidden;position:relative}header{margin-bottom:70px}header h1{font-size:2rem;font-weight:600;color:#2c3e50;margin-bottom:20px}main{display:grid;grid-template-columns:250px minmax(auto,900px) 280px;gap:20px;align-items:start;justify-content:center;min-width:0;width:100%;max-width:100%;overflow-x:hidden;overflow-y:visible;position:relative}@media (max-width: 1200px){main{grid-template-columns:220px minmax(auto,1fr) 240px;gap:15px}}@media (max-width: 968px){#app{padding:15px}header{margin-bottom:30px}header h1{font-size:1.5rem}main{grid-template-columns:1fr;gap:15px}.controls-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px}.circuit-actions{top:50px;right:15px}.circuit-container{order:2}.simulation-panel{order:3}}@media (max-width: 640px){#app{padding:10px}header{margin-bottom:20px}header h1{font-size:1.25rem;margin-bottom:10px}main{gap:10px}.controls-panel{grid-template-columns:1fr;gap:10px}.circuit-config,.gate-palette,.error-controls{padding:12px}.circuit-actions{top:50px;right:10px;gap:6px}.circuit-action-btn{padding:6px 12px;font-size:.8rem;min-height:32px}.gate-buttons{grid-template-columns:repeat(3,1fr);gap:8px}.gate-btn{padding:10px 6px;font-size:.85rem}.error-buttons{grid-template-columns:repeat(2,1fr);gap:8px}.error-btn{padding:12px 8px}.circuit-container{padding:15px}#circuit-view{min-height:300px}.simulation-controls{padding-top:15px;margin-top:15px}.step-buttons{flex-direction:column;gap:10px}.step-btn{width:100%;min-width:unset}.time-display-text{min-width:unset}.simulation-panel>div{padding:15px}.error-pattern{font-size:1.1rem;letter-spacing:1px}.time-info{font-size:1rem}.qubit-config button{padding:12px 20px}}@media (max-width: 400px){header h1{font-size:1.1rem}.gate-buttons{grid-template-columns:repeat(2,1fr);gap:6px}.gate-btn{padding:12px 6px;font-size:.9rem}.error-buttons{grid-template-columns:repeat(2,1fr);gap:6px}.circuit-config,.gate-palette,.error-controls{padding:10px}.circuit-actions{top:45px;right:5px;gap:4px}.circuit-action-btn{padding:6px 10px;font-size:.75rem;min-height:30px}.save-dropdown{min-width:140px}.circuit-container{padding:10px}#circuit-view{min-height:250px}.simulation-panel>div{padding:12px}}main>*{min-width:0}.controls-panel{display:flex;flex-direction:column;gap:20px;align-items:stretch}.circuit-config{background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 4px #0000001a}.circuit-config h3{font-size:.9rem;font-weight:600;margin-bottom:10px;color:#555}.qubit-config label{font-size:.85rem;color:#555}.qubit-config input[type=number]{border:1px solid #ddd;border-radius:4px;padding:4px 8px;font-size:.85rem;min-height:44px}.qubit-config button{padding:10px 20px;border:2px solid #645966;background:#fff;color:#645966;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;width:100%;text-align:center}.qubit-config button:hover{transform:translateY(-1px);box-shadow:0 2px 6px #27ae604d}.gate-palette{background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 4px #0000001a}.gate-palette h3{font-size:.9rem;font-weight:600;margin-bottom:10px;color:#555}.gate-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.gate-btn{padding:6px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer;font-size:.8rem;transition:all .2s ease;font-weight:500;min-height:44px;min-width:44px}.gate-btn:hover{background:#f5f5f5;border-color:#bbb;transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.gate-btn.active{background:#6a9dce;color:#fff;border-color:#6a9dce;box-shadow:0 2px 6px #3498db4d}.error-controls{background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 4px #0000001a}.error-controls h3{font-size:.9rem;font-weight:600;margin-bottom:10px;color:#555}.qubit-selector{margin-bottom:10px}.qubit-selector label{display:block;margin-bottom:5px;font-size:.9rem;color:#555}.qubit-selector select{padding:8px;border:1px solid #ddd;border-radius:4px;font-size:.9rem;background:#fff;cursor:pointer;width:100%;min-height:44px}.error-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}.error-btn{padding:8px 6px;border:2px solid;background:#fff;border-radius:4px;cursor:pointer;font-size:.85rem;font-weight:600;transition:all .2s ease;text-align:center;min-width:0;min-height:44px}.error-btn.error-x{border-color:#e65a6e;color:#e65a6e}.error-btn.error-x:hover{background:#fff5f5;border-color:#e65a6e;transform:translateY(-1px);box-shadow:0 2px 4px #e65a6e33}.error-btn.error-x.active{background:#e65a6e;color:#fff;box-shadow:0 2px 6px #e65a6e4d}.error-btn.error-y{border-color:#6bc4a8;color:#6bc4a8}.error-btn.error-y:hover{background:#f0fdf4;border-color:#6bc4a8;transform:translateY(-1px);box-shadow:0 2px 4px #6bc4a833}.error-btn.error-y.active{background:#6bc4a8;color:#fff;box-shadow:0 2px 6px #6bc4a84d}.error-btn.error-z{border-color:#e6c85a;color:#e6c85a}.error-btn.error-z:hover{background:#fffbeb;border-color:#e6c85a;transform:translateY(-1px);box-shadow:0 2px 4px #e6c85a33}.error-btn.error-z.active{background:#e6c85a;color:#fff;box-shadow:0 2px 6px #e6c85a4d}.circuit-actions{position:absolute;top:105px;right:265px;display:flex;gap:8px;align-items:center;justify-content:flex-end;pointer-events:auto;z-index:100;padding:0;box-sizing:border-box}@media (min-width: 1200px){.circuit-actions{right:calc(50% - 435px)}}.circuit-action-btn{padding:5px 10px;border:2px solid #645966;background:#fff;color:#645966;border-radius:6px;cursor:pointer;font-size:.75rem;font-weight:600;transition:all .2s ease;white-space:nowrap;min-height:28px;min-width:70px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 1px 3px #0000001a}.circuit-action-btn:hover{background:#fff;border-color:#645966;box-shadow:0 2px 6px #27ae604d;transform:translateY(-1px)}.circuit-action-btn:active{transform:translateY(0)}.import-btn{border-color:#645966;color:#645966}.import-btn:hover{background:#fff;border-color:#645966;color:#645966;transform:translateY(-1px);box-shadow:0 2px 6px #27ae604d}.save-button-group{position:relative;display:flex}.save-btn{border-color:#645966;color:#645966}.save-btn:hover{background:#fff;border-color:#645966;color:#645966;transform:translateY(-1px);box-shadow:0 2px 6px #27ae604d}.save-dropdown{position:absolute;top:100%;right:0;margin-top:4px;background:#fff;border:1px solid #ddd;border-radius:4px;box-shadow:0 4px 12px #00000026;min-width:160px;display:none;flex-direction:column;overflow:hidden;z-index:1000}.save-dropdown.active{display:flex}.save-option{padding:10px 16px;border:none;background:#fff;color:#333;text-align:left;cursor:pointer;font-size:.85rem;transition:background .15s ease;border-radius:0;box-shadow:none;min-height:auto;justify-content:flex-start}.save-option:hover{background:#f8f9fa;transform:none;box-shadow:none}.save-option:not(:last-child){border-bottom:1px solid #eee}.error-btn.error-i{border-color:#bdc3c7;color:#7f8c8d}.error-btn.error-i:hover{background:#f8f9fa;border-color:#95a5a6;transform:translateY(-1px);box-shadow:0 2px 4px #bdc3c733}.error-btn.error-i.active{background:#bdc3c7;color:#fff;box-shadow:0 2px 6px #bdc3c74d}.simulation-panel{display:flex;flex-direction:column;gap:0;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;overflow:hidden}.simulation-panel>div{padding:20px}.simulation-panel>div:not(:last-child){border-bottom:1px solid #e0e0e0}.error-display,.time-display{background:transparent;border-radius:0;padding:0;box-shadow:none}.error-display h3,.time-display h3,.error-chart h3{font-size:.85rem;font-weight:600;margin-bottom:12px;color:#666;text-transform:uppercase;letter-spacing:.5px}.error-chart{background:transparent;border-radius:0;padding:0;box-shadow:none}.error-chart-svg{display:block;margin:0 auto}.error-display{position:relative}.why-tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:#3498db;color:#fff;font-size:12px;font-weight:700;cursor:help;transition:all .2s;line-height:1;flex-shrink:0}.why-tooltip{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid #ddd;border-radius:6px;padding:12px;box-shadow:0 4px 12px #00000026;z-index:1000;max-width:300px;font-size:.85rem;line-height:1.6;color:#333;margin-top:5px}.why-tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:#3498db;color:#fff;font-size:12px;font-weight:700;cursor:help;transition:all .2s;line-height:1}.why-tooltip-trigger:hover{background:#2980b9;transform:scale(1.1)}.why-tooltip{display:none;position:absolute;background:#fff;border:1px solid #ddd;border-radius:6px;padding:12px;box-shadow:0 4px 12px #00000026;z-index:1000;max-width:300px;font-size:.85rem;line-height:1.6;color:#333;margin-top:5px}.why-tooltip strong{color:#2c3e50;font-weight:600}.simulation-controls{margin-top:20px;padding-top:20px;border-top:1px solid #e0e0e0;flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding-left:0}.simulation-controls h3{font-size:.85rem;font-weight:600;margin-bottom:12px;color:#666;text-transform:uppercase;letter-spacing:.5px}.sim-slider-container,.sim-step-controls{margin-bottom:15px;width:100%}.step-buttons{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}.step-btn{padding:10px 20px;border:2px solid #645966;background:#fff;color:#645966;border-radius:6px;min-width:140px;width:140px;height:44px;cursor:pointer;font-size:.9rem;font-weight:600;transition:all .2s ease;text-align:center;white-space:nowrap;display:flex;align-items:center;justify-content:center}.step-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 2px 6px #27ae604d}.step-btn:disabled{opacity:.4;cursor:not-allowed;border-color:#ccc;color:#999}.time-display-text{font-size:.9rem;font-weight:500;color:#666;min-width:120px;text-align:center}.sim-buttons{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.sim-btn{padding:8px 16px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .2s ease;font-weight:500;min-height:44px}.sim-btn:hover{background:#f5f5f5;border-color:#bbb;transform:translateY(-1px);box-shadow:0 2px 4px #0000001a}.sim-btn:active{transform:translateY(0)}.circuit-container{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;border:1px solid #e8e8e8;display:flex;flex-direction:column;position:relative;min-width:0;width:100%;pointer-events:none;overflow:visible}.circuit-container>*{pointer-events:auto}#circuit-view{min-height:400px;flex:1;position:relative;width:100%;overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;pointer-events:auto;box-sizing:border-box}.circuit-empty-hint{position:absolute;top:65%;left:50%;transform:translate(-50%,-50%);color:#cecccc;font-size:.9rem;text-align:left;pointer-events:none;background:#fffffff2;padding:20px;border-radius:8px;box-shadow:0 2px 8px #0000001a;max-width:300px;line-height:1.6;z-index:10;margin:0 auto}canvas{width:100%;height:auto;display:block;min-width:0;max-width:100%;box-sizing:border-box}.error-x{fill:#e65a6e}.error-y{fill:#6bc4a8}.error-z{fill:#e6c85a}.error-i{fill:#bdc3c7}.error-pattern{font-family:Courier New,monospace;font-size:1.3rem;font-weight:600;letter-spacing:2px;color:#2c3e50}.time-info{font-size:1.1rem;color:#2c3e50;font-weight:500}
