:root{--bg: #0f0f1a;--surface: #1a1a2e;--surface2: #252545;--border: #333366;--text: #e0e0f0;--text-muted: #8888aa;--accent: #4f8ef7;--accent-hover: #6fa0ff;--hit: #2ecc71;--miss: #e67e22;--false-alarm: #e74c3c;--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center}.app{width:100%;max-width:520px;padding:16px;display:flex;flex-direction:column;min-height:100vh}.setup-screen{display:flex;flex-direction:column;gap:20px;padding-bottom:32px}.setup-title{text-align:center;font-size:2rem;font-weight:700;color:var(--accent);padding-top:24px;letter-spacing:.05em}.setup-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.setup-section h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:12px}.nlevel-control{display:flex;align-items:center;gap:16px}.stepper-btn{width:36px;height:36px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:1.2rem;cursor:pointer;transition:background .15s}.stepper-btn:hover:not(:disabled){background:var(--accent)}.stepper-btn:disabled{opacity:.35;cursor:default}.nlevel-value{font-size:1.4rem;font-weight:700;min-width:80px;text-align:center}.board-size-options{display:flex;gap:8px}.size-btn{flex:1;padding:10px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.95rem;cursor:pointer;transition:background .15s,border-color .15s}.size-btn--active{background:var(--accent);border-color:var(--accent);color:#fff}.size-btn:hover:not(.size-btn--active){border-color:var(--accent)}.match-type-options{display:flex;gap:10px;flex-wrap:wrap}.match-toggle{display:flex;align-items:center;gap:6px;cursor:pointer;padding:8px 12px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;font-size:.95rem;-webkit-user-select:none;user-select:none;transition:border-color .15s}.match-toggle input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.match-toggle--fixed{opacity:.8}.badge{font-size:.65rem;background:var(--accent);color:#fff;padding:1px 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var(--border);border-radius:6px;color:var(--text);font-size:.9rem;font-family:monospace;cursor:pointer;transition:border-color .15s}.keybind-btn:hover{border-color:var(--accent)}.keybind-btn--capturing{border-color:var(--accent);color:var(--accent);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.setup-section--timing{opacity:.8}.timing-info{display:flex;gap:16px;font-size:.85rem;color:var(--text-muted);flex-wrap:wrap}@media(max-width:560px){.response-window-meta{flex-direction:column;align-items:flex-start}}.setup-actions{display:flex;flex-direction:column;gap:10px;margin-top:8px}.btn-primary{padding:14px 24px;background:var(--accent);border:none;border-radius:var(--radius);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s,transform .1s}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:scale(.97)}.btn-start{font-size:1.1rem;padding:16px}.btn-secondary{padding:10px 18px;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.9rem;cursor:pointer;transition:border-color .15s}.btn-secondary:hover{border-color:var(--accent)}.btn-ghost{padding:10px;background:transparent;border:none;color:var(--text-muted);font-size:.9rem;cursor:pointer;text-decoration:underline}.btn-ghost:hover{color:var(--text)}.btn-danger{padding:10px 18px;background:#e74c3c24;border:1px solid rgba(231,76,60,.45);border-radius:var(--radius);color:#ff9b91;font-size:.9rem;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.btn-danger:hover{background:#e74c3c38;border-color:#e74c3cb8;color:#ffd5d0}.btn-danger-ghost{color:#ff9b91}.btn-danger-ghost:hover{color:#ffd5d0}.game-screen{display:flex;flex-direction:column;align-items:center;gap:20px;padding-top:16px}.game-header{width:100%;display:flex;justify-content:space-between;align-items:center;font-size:.9rem}.game-trial{color:var(--text-muted)}.game-nlevel{color:var(--accent);font-weight:700}.game-score{font-weight:700;font-size:1.05rem}.quit-btn{padding:4px 10px;background:transparent;border:1px solid var(--border);border-radius:5px;color:var(--text-muted);font-size:.78rem;cursor:pointer;transition:border-color .15s,color .15s}.quit-btn:hover{border-color:var(--false-alarm);color:var(--false-alarm)}.quit-confirm{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted)}.quit-yes,.quit-no{padding:3px 10px;border-radius:5px;font-size:.8rem;cursor:pointer;border:1px solid var(--border)}.quit-yes{background:var(--false-alarm);border-color:var(--false-alarm);color:#fff}.quit-no{background:transparent;color:var(--text)}.quit-no:hover{border-color:var(--accent)}.board-area{display:flex;justify-content:center;margin:8px 0}.board-cell{background:var(--surface);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:background .1s}.board-cell--active{background:var(--surface2);border-color:var(--accent);box-shadow:0 0 12px #4f8ef740;animation:pop-in .12s ease-out}@keyframes pop-in{0%{transform:scale(.88);opacity:.6}to{transform:scale(1);opacity:1}}.timer-container{width:100%;height:28px;background:var(--surface);border:1px solid var(--border);border-radius:6px;overflow:hidden;position:relative}.timer-bar{height:100%;transition:none;border-radius:6px}.timer-bar--stimulus{background:var(--accent)}.timer-bar--blank{background:var(--border);opacity:.5}.timer-labels{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;padding:0 8px;font-size:.72rem;color:var(--text-muted);pointer-events:none}.answer-buttons{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;width:100%}.answer-btn{flex:1;min-width:72px;padding:16px 8px 12px;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;transition:border-color .1s,background 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18px;background:linear-gradient(135deg,#4f8ef73d,#2ecc7138);border:1px solid rgba(111,160,255,.55);border-radius:var(--radius);box-shadow:0 14px 32px #0000002e}.results-celebration strong{font-size:1.25rem;color:#f8fbff}.results-celebration__eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.18em;color:#a8d7ff}.results-confetti{position:absolute;inset:0 0 auto 0;height:220px;pointer-events:none;overflow:hidden}.confetti-piece{--confetti-left: 50%;--confetti-delay: 0s;--confetti-duration: 2.8s;position:absolute;top:-14px;left:var(--confetti-left);width:10px;height:16px;border-radius:3px;opacity:0;animation:confetti-fall var(--confetti-duration) ease-out infinite;animation-delay:var(--confetti-delay)}.confetti-piece--1{--confetti-left: 4%;--confetti-delay: 0s;--confetti-duration: 2.6s;background:#4f8ef7}.confetti-piece--2{--confetti-left: 12%;--confetti-delay: .3s;--confetti-duration: 2.9s;background:#2ecc71}.confetti-piece--3{--confetti-left: 21%;--confetti-delay: .9s;--confetti-duration: 2.7s;background:#ffd166}.confetti-piece--4{--confetti-left: 33%;--confetti-delay: .45s;--confetti-duration: 3.1s;background:#ff7b72}.confetti-piece--5{--confetti-left: 48%;--confetti-delay: 1.1s;--confetti-duration: 2.8s;background:#b388ff}.confetti-piece--6{--confetti-left: 61%;--confetti-delay: .15s;--confetti-duration: 3s;background:#72efdd}.confetti-piece--1:nth-child(6n+1){left:72%}.confetti-piece--2:nth-child(6n+2){left:86%}.confetti-piece--3:nth-child(6n+3){left:57%}.confetti-piece--4:nth-child(6n+4){left:17%}.confetti-piece--5:nth-child(6n+5){left:41%}.confetti-piece--6:nth-child(6n+6){left:93%}.confetti-piece:nth-child(3n){width:8px;height:14px}.confetti-piece:nth-child(4n){width:12px;height:18px}.confetti-piece:nth-child(5n){animation-duration:3.3s}@keyframes confetti-fall{0%{transform:translateZ(0) rotate(0) scale(.9);opacity:0}12%{opacity:1}to{transform:translate3d(24px,240px,0) rotate(540deg) scale(1.1);opacity:0}}.results-summary{display:flex;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.results-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.results-item--score{border-left:1px solid var(--border)}.results-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.results-value{font-size:1.3rem;font-weight:700}.results-score{font-size:2rem;color:var(--accent)}.results-table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.results-table th,.results-table td{padding:10px 12px;text-align:center;border-bottom:1px solid var(--border)}.results-table th{background:var(--surface2);font-size:.8rem;color:var(--text-muted);text-transform:uppercase}.results-table tr:last-child td{border-bottom:none}.td-hit{color:var(--hit);font-weight:700}.td-miss{color:var(--miss)}.td-fa{color:var(--false-alarm)}.results-actions{display:flex;gap:10px;flex-wrap:wrap}.results-actions .btn-primary{flex:1.5}.results-actions .btn-secondary{flex:1}@media(max-width:560px){.results-summary{flex-direction:column}.results-item--score{border-left:none;border-top:1px solid var(--border);padding-top:12px}.history-header{align-items:flex-start;flex-direction:column}.history-header-actions{width:100%;justify-content:space-between}}.history-screen{display:flex;flex-direction:column;gap:16px;padding-top:16px}.history-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.history-header 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solid var(--border);border-radius:var(--radius);padding:14px 10px;text-align:center}.stat-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:6px}.stat-value{font-size:1.5rem;font-weight:700;color:var(--accent)}.stat-sub{font-size:.65rem;color:var(--text-muted);margin-top:3px}.condition-tabs{display:flex;gap:6px;flex-wrap:wrap}.condition-tab{padding:5px 12px;background:var(--surface);border:1px solid var(--border);border-radius:20px;color:var(--text-muted);font-size:.78rem;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.condition-tab:hover{border-color:var(--accent);color:var(--text)}.condition-tab--active{background:var(--accent);border-color:var(--accent);color:#fff}.chart-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.chart-title{font-size:.85rem;font-weight:600;margin-bottom:10px}.chart-subtitle{font-size:.72rem;color:var(--text-muted);font-weight:400;margin-left:4px}.score-chart{width:100%;height:auto;display:block}.chart-legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;padding-top:8px;border-top:1px solid var(--border)}.legend-item{display:flex;align-items:center;gap:5px;font-size:.8rem}.legend-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.legend-avg{color:var(--text-muted);font-size:.75rem}.legend-count{font-size:.68rem;margin-left:2px}