#reactionTimeTestTool{display:block;max-width:820px;margin:0 auto}#reactionTimeTestTool .tool-section{display:block}#reactionTimeTestTool .rtt-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}#reactionTimeTestTool .rtt-section-title{font-size:16px;font-weight:600;margin:0 0 12px;color:var(--color-text)}#reactionTimeTestTool .rtt-section-subtitle{font-size:14px;font-weight:600;margin:0 0 10px;color:var(--color-text)}#reactionTimeTestTool .rtt-info-stack p+p{margin-top:8px}#reactionTimeTestTool .rtt-intro-row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;margin-bottom:12px}#reactionTimeTestTool .rtt-intro-label{flex:0 0 auto;min-width:96px}#reactionTimeTestTool .rtt-helper-text{font-size:13px;color:var(--color-text-secondary);margin:12px 0 0;line-height:1.5}#reactionTimeTestTool .rtt-mode-hint{font-size:13px;color:var(--color-text-secondary);line-height:1.5;margin:4px 0 12px}#reactionTimeTestTool .rtt-intro-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}#reactionTimeTestTool .rtt-intro-actions .btn{flex:0 1 auto;min-height:48px}#reactionTimeTestTool .rtt-btn-group{display:flex;flex-wrap:wrap;gap:8px}#reactionTimeTestTool .rtt-mode-btn{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border);min-height:44px}#reactionTimeTestTool .rtt-mode-btn[aria-pressed=true],#reactionTimeTestTool .rtt-mode-btn.rtt-mode-active{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}#reactionTimeTestTool select{min-height:48px;padding:8px 12px;font-size:16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text)}#reactionTimeTestTool .rtt-opt-row{padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}#reactionTimeTestTool .rtt-checkbox-label{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5;color:var(--color-text);cursor:pointer}#reactionTimeTestTool .rtt-checkbox-label input[type=checkbox]{min-width:20px;min-height:20px;margin-top:2px;flex-shrink:0}#reactionTimeTestTool .rtt-test-banner{text-align:center;font-size:12px;color:var(--color-text-secondary);padding:6px 10px;border:1px dashed var(--color-border);border-radius:var(--radius-sm);margin-bottom:12px;background:var(--color-surface)}#reactionTimeTestTool .rtt-test-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px;flex-wrap:wrap}#reactionTimeTestTool .rtt-progress{flex:1 1 200px;display:flex;flex-direction:column;gap:4px}#reactionTimeTestTool .rtt-progress-text{font-size:13px;color:var(--color-text-secondary);font-weight:500}#reactionTimeTestTool .rtt-progress-bar{width:100%;height:6px;background:var(--color-border);border-radius:999px;overflow:hidden}#reactionTimeTestTool .rtt-progress-fill{height:100%;background:var(--color-primary);width:0;transition:width .16s ease}#reactionTimeTestTool .rtt-meta{font-size:13px;color:var(--color-text-secondary)}#reactionTimeTestTool .rtt-stimulus-wrap{margin-bottom:12px}#reactionTimeTestTool .rtt-stimulus{display:flex;align-items:center;justify-content:center;min-height:min(65vh,480px);border-radius:var(--radius-sm);border:1px solid var(--color-border);color:#fff;font-size:28px;font-weight:700;letter-spacing:.5px;touch-action:manipulation;-webkit-touch-callout:none;user-select:none;cursor:pointer;outline:none;transition:background-color 60ms ease}#reactionTimeTestTool .rtt-stimulus:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}#reactionTimeTestTool .rtt-stimulus-wait{background-color:#c0392b}#reactionTimeTestTool .rtt-stimulus-go{background-color:#27ae60}#reactionTimeTestTool .rtt-stimulus-nogo{background-color:#c0392b}#reactionTimeTestTool .rtt-stimulus-falsestart{background-color:#34495e}#reactionTimeTestTool .rtt-stimulus-between{background-color:#7f8c8d}#reactionTimeTestTool .rtt-stimulus-summary{background-color:#2c3e50}#reactionTimeTestTool .rtt-stimulus-label{text-align:center;padding:0 20px;font-size:clamp(18px,4vw,36px)}#reactionTimeTestTool .rtt-crt-answers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}#reactionTimeTestTool .rtt-crt-btn{display:flex;align-items:center;justify-content:center;gap:12px;min-height:100px;min-width:100px;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:18px;font-weight:600;cursor:pointer;touch-action:manipulation;transition:transform 80ms ease,background .12s ease}#reactionTimeTestTool .rtt-crt-btn:hover{border-color:var(--color-primary)}#reactionTimeTestTool .rtt-crt-btn:active{transform:scale(.98)}#reactionTimeTestTool .rtt-crt-swatch{width:36px;height:36px;border-radius:50%;border:2px solid rgba(0,0,0,.1)}#reactionTimeTestTool .rtt-crt-key{font-variant-numeric:tabular-nums;font-size:24px;color:var(--color-text-secondary);min-width:24px;text-align:center}#reactionTimeTestTool .rtt-test-actions{display:flex;gap:8px}#reactionTimeTestTool .rtt-test-actions .btn{min-height:44px}#reactionTimeTestTool .rtt-result-callout{background:var(--color-surface);border:1px solid var(--color-primary-light);border-left:4px solid var(--color-primary);padding:12px 14px;border-radius:var(--radius-sm);font-size:13px;line-height:1.6;color:var(--color-text);margin-bottom:14px}#reactionTimeTestTool .rtt-result-headline{font-size:36px;font-weight:800;margin:8px 0 4px;color:var(--color-text);font-variant-numeric:tabular-nums}#reactionTimeTestTool .rtt-result-tier{display:inline-block;padding:4px 12px;border-radius:999px;font-size:14px;font-weight:600;background:var(--color-primary-light);color:var(--color-primary);margin-bottom:14px}#reactionTimeTestTool .rtt-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:14px}#reactionTimeTestTool .rtt-metric{display:flex;flex-direction:column;gap:4px;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}#reactionTimeTestTool .rtt-metric-label{font-size:12px;color:var(--color-text-secondary)}#reactionTimeTestTool .rtt-metric-value{font-size:20px;font-weight:700;color:var(--color-text);font-variant-numeric:tabular-nums}#reactionTimeTestTool .rtt-trials-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;font-variant-numeric:tabular-nums}#reactionTimeTestTool .rtt-trial-chip{padding:4px 10px;font-size:12px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text)}#reactionTimeTestTool .rtt-trial-chip.rtt-trial-bad{color:#c0392b;border-color:#c0392b;background:#c0392b14}#reactionTimeTestTool .rtt-trial-chip.rtt-trial-rejected{opacity:.55;text-decoration:line-through}#reactionTimeTestTool .rtt-refresh-note{font-size:12px;color:var(--color-text-secondary);margin-bottom:14px;font-style:italic}#reactionTimeTestTool .rtt-gng-summary,#reactionTimeTestTool .rtt-crt-summary{padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);margin-bottom:14px}#reactionTimeTestTool .rtt-gng-row{display:flex;justify-content:space-between;padding:4px 0;font-size:14px}#reactionTimeTestTool .rtt-crt-accuracy{font-size:14px}#reactionTimeTestTool .rtt-history{padding:14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);margin-bottom:14px}#reactionTimeTestTool .rtt-segments{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}#reactionTimeTestTool .rtt-segment{display:flex;flex-direction:column;gap:2px;padding:8px;border:1px solid var(--color-border);border-radius:var(--radius-sm)}#reactionTimeTestTool .rtt-segment-label{font-size:11px;color:var(--color-text-secondary)}#reactionTimeTestTool .rtt-segment-value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}#reactionTimeTestTool .rtt-history-chart{display:block;max-width:100%;height:auto}#reactionTimeTestTool .rtt-summary-actions{display:flex;flex-wrap:wrap;gap:8px}#reactionTimeTestTool .rtt-summary-actions .btn{flex:0 1 auto;min-height:48px}#reactionTimeTestTool .rtt-footer-tag{text-align:center;font-size:12px;color:var(--color-text-secondary);padding:12px 8px;border-top:1px dashed var(--color-border);margin-top:18px}@media(prefers-reduced-motion:reduce){#reactionTimeTestTool .rtt-stimulus{transition:none!important}#reactionTimeTestTool .rtt-progress-fill,#reactionTimeTestTool .rtt-crt-btn{transition:none}}@media(max-width:640px){#reactionTimeTestTool .rtt-intro-label{min-width:auto;flex-basis:100%}#reactionTimeTestTool .rtt-mode-btn{min-height:48px;flex:1 1 100%}#reactionTimeTestTool .rtt-crt-answers{grid-template-columns:1fr 1fr}#reactionTimeTestTool .rtt-crt-btn{min-height:108px}#reactionTimeTestTool .rtt-stimulus{min-height:min(70vh,520px)}#reactionTimeTestTool .rtt-intro-actions .btn,#reactionTimeTestTool .rtt-summary-actions .btn,#reactionTimeTestTool .rtt-test-actions .btn{flex:1 1 100%}}[data-theme=dark] #reactionTimeTestTool .rtt-stimulus{border-color:#ffffff1f}@media print{#reactionTimeTestTool .rtt-intro,#reactionTimeTestTool .rtt-test,#reactionTimeTestTool .rtt-summary-actions{display:none!important}}