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ul{list-style-type:disc;padding-left:20px}.about-container li{margin-bottom:10px;color:#666}.example-image{width:50%;height:auto;max-width:600px}.visual-field-test{padding:0;border:none;border-radius:0;margin:0;background:#fff;box-shadow:none;min-height:100vh;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:all .3s ease;animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.game-canvas{width:min(90vw,120vh);height:min(60vw,80vh);border:2px solid #007bff;border-radius:20px;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 15px #007bff33;transition:all .3s ease;position:relative}.game-area{display:flex;align-items:center;justify-content:center;gap:20px}.mode-selector{margin-bottom:20px;font-size:18px}.mode-selector label{margin-right:10px}.mode-selector select{padding:8px 12px;border:1px solid #ccc;border-radius:8px;font-size:16px}.start-button{padding:17px 33px;background:#007bff;color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:19px;font-weight:700;text-transform:uppercase;letter-spacing:1px;box-shadow:0 4px 10px #007bff66;transition:all .3s ease;margin:20px auto;display:block;min-width:167px}.start-button:hover{background:#0056b3;transform:translateY(-5px);box-shadow:0 15px 40px #007bff80}.button-container{position:relative;display:inline-block}.instructions{text-align:center;font-size:16px;color:#666;margin-top:10px;white-space:pre-line}.grid-container{width:100%;height:100%;position:relative;box-sizing:border-box;border-radius:20px;overflow:hidden}.grid-cell{position:absolute;width:16.666%;height:16.666%;display:flex;align-items:center;justify-content:center}.dot{width:15px;height:15px;border-radius:50%;cursor:pointer;transition:all .3s ease}.dot.active.stage1{background:#ccc;opacity:1;transition:opacity .1s}.dot.active.stage2{background:#999}.dot.active.stage3{background:#000;opacity:1;transition:opacity .1s}.dot.inactive{opacity:0;transition:opacity .1s}.dot.inactive{background:transparent}.dot.result.stage1{background:#fff}.dot.result.stage2{background:#ccc}.dot.result.stage3{background:#666}.dot.result.defect{background:#000}.waiting-message{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);font-size:18px;color:#333;font-weight:700;pointer-events:none}.fixation-point{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;color:#333;font-weight:700;pointer-events:none}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.result-container{text-align:center}.result-container h2{margin-bottom:20px}.success-count{font-size:18px;font-weight:700;color:#333;margin-bottom:20px}.legend{display:flex;justify-content:center;gap:20px;margin-top:20px}.legend-item{display:flex;align-items:center;gap:10px;font-size:16px}.confirm-buttons{margin-top:20px;text-align:center}.save-button{padding:12px 25px;background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:16px;font-weight:700;margin-right:15px;box-shadow:0 4px 15px #28a7454d;transition:all .3s ease;display:inline-flex;align-items:center;gap:8px}.save-button:hover{background:linear-gradient(135deg,#218838,#17a2b8);transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.cancel-button{padding:12px 25px;background:linear-gradient(135deg,#dc3545,#fd7e14);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:16px;font-weight:700;box-shadow:0 4px 15px #dc35454d;transition:all .3s ease;display:inline-flex;align-items:center;gap:8px}.cancel-button:hover{background:linear-gradient(135deg,#c82333,#e8590c);transform:translateY(-2px);box-shadow:0 6px 20px #dc354566}.error{color:#ff6b6b;text-align:center;background:#ff6b6b1a;padding:10px;border-radius:10px;margin-top:10px}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh}#root{min-height:100vh}