*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #3b82f6;--color-secondary: #475569;--color-accent: #0ea5e9;--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-text-primary: #1e293b;--color-text-secondary: #475569;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-border-dark: #cbd5e1;--color-success: #059669;--color-error: #dc2626;--color-warning: #d97706;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, 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span{color:var(--color-text-secondary);font-weight:500}.example-shape{width:60px;height:60px;box-shadow:var(--shadow-md)}.example-shape.go-circle{border-radius:50%;background:linear-gradient(135deg,#22c55e,#16a34a)}.example-shape.nogo-square{border-radius:8px;background:linear-gradient(135deg,#ef4444,#dc2626)}.go-shape{color:var(--color-success);font-weight:600}.nogo-shape{color:var(--color-error);font-weight:600}.nback-display{width:200px;height:200px;display:flex;align-items:center;justify-content:center;margin-bottom:2rem}.nback-letter{font-size:8rem;font-weight:700;color:var(--color-primary)}.nback-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.nback-feedback{font-size:4rem;font-weight:700}.nback-feedback.correct{color:var(--color-success)}.nback-feedback.incorrect{color:var(--color-error)}.nback-response-btn{padding:1rem 3rem;background:var(--color-primary);border:none;border-radius:8px;color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .2s}.nback-response-btn:hover:not(:disabled){background:var(--color-primary-dark);transform:translateY(-2px)}.nback-response-btn:disabled{opacity:.5;cursor:not-allowed}.nback-example{background:var(--color-bg-tertiary);border-radius:12px;padding:1.5rem;margin:1.5rem 0;border:1px solid var(--color-border)}.nback-example p{margin-bottom:1rem;color:var(--color-text-secondary)}.example-sequence{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.example-sequence span{padding:.5rem 1rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-family:monospace;font-size:1rem}.example-sequence span.target{background:var(--color-success);border-color:var(--color-success);color:#fff;font-weight:600}.difficulty-selector{margin:2rem 0}.difficulty-selector label{display:block;margin-bottom:1rem;color:var(--color-text-secondary);font-weight:500}.level-buttons{display:flex;gap:.75rem;justify-content:center}.level-btn{padding:.75rem 1.5rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:6px;color:var(--color-text-secondary);font-weight:600;cursor:pointer;transition:all .2s}.level-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.dual-grid{display:grid;grid-template-columns:repeat(3,80px);grid-template-rows:repeat(3,80px);gap:8px;margin-bottom:2rem}.dual-cell{background:var(--color-bg-tertiary);border-radius:8px;border:1px solid var(--color-border);transition:all .2s}.dual-cell.active{background:var(--color-primary);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}.dual-responses{display:flex;gap:2rem}.dual-btn{padding:1rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;border:2px solid}.dual-btn.position{background:var(--color-bg-primary);color:var(--color-primary);border-color:var(--color-primary)}.dual-btn.position.pressed{background:var(--color-primary);color:#fff}.dual-btn.audio{background:var(--color-bg-primary);color:var(--color-success);border-color:var(--color-success)}.dual-btn.audio.pressed{background:var(--color-success);color:#fff}.dual-results{display:flex;gap:2rem;margin-bottom:2rem}.result-section{flex:1}.result-section h3{color:var(--color-text-primary);margin-bottom:1rem;font-weight:600}@media(max-width:768px){.dual-grid{grid-template-columns:repeat(3,60px);grid-template-rows:repeat(3,60px)}.dual-responses{flex-direction:column;gap:1rem}.dual-results{flex-direction:column}}.corsi-board{position:relative;width:100%;max-width:500px;height:400px;background:var(--color-bg-tertiary);border-radius:16px;border:1px solid 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.letter-display{font-size:8rem;font-weight:700;color:var(--color-primary)}.ospan-recall{width:100%;max-width:500px}.recalled-display{display:flex;gap:.5rem;justify-content:center;margin-bottom:2rem}.recall-slot{width:50px;height:50px;background:var(--color-bg-tertiary);border:2px solid var(--color-border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:600;color:var(--color-primary)}.letter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;margin-bottom:1.5rem}.letter-btn{padding:1rem;background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-size:1.25rem;font-weight:600;cursor:pointer;transition:all .2s}.letter-btn:hover{border-color:var(--color-primary)}.letter-btn.selected{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.recall-actions{display:flex;gap:1rem;justify-content:center}.clear-btn{padding:.75rem 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line{stroke:var(--color-primary)}.trail-node{position:absolute;width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.125rem;font-weight:700;cursor:pointer;transform:translate(-50%,-50%);transition:all .2s;border:3px solid;background:var(--color-bg-primary);box-shadow:var(--shadow-sm)}.trail-node.number{border-color:var(--color-primary);color:var(--color-primary)}.trail-node.letter{border-color:var(--color-success);color:var(--color-success)}.trail-node:hover{transform:translate(-50%,-50%) scale(1.1);box-shadow:var(--shadow-md)}.trail-node.visited{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.trail-hint{font-size:1.125rem;color:var(--color-text-secondary);margin-bottom:1.5rem}.next-value{font-size:1.5rem;font-weight:700;color:var(--color-warning);margin-left:.5rem}@media(max-width:768px){.trail-board{height:400px}.trail-node{width:38px;height:38px;font-size:1rem}}.ufov-display{position:relative;width:300px;height:300px}.ufov-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:4rem}.ufov-peripheral{position:absolute;width:40px;height:40px;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.ufov-mask{width:300px;height:300px;display:flex;align-items:center;justify-content:center}.mask-pattern{width:100%;height:100%;background:repeating-linear-gradient(45deg,var(--color-bg-tertiary) 0,var(--color-bg-tertiary) 10px,var(--color-border) 10px,var(--color-border) 20px);border-radius:12px}.ufov-response{display:flex;flex-direction:column;align-items:center;gap:2rem;width:100%;max-width:400px}.response-section{text-align:center;width:100%}.response-section h3{color:var(--color-text-primary);margin-bottom:1rem;font-size:1rem}.center-options{display:flex;gap:1rem;justify-content:center}.center-btn{padding:1rem 2rem;background:var(--color-bg-primary);border:2px solid var(--color-border);border-radius:12px;color:var(--color-text-primary);font-size:1.25rem;cursor:pointer;transition:all .2s;box-shadow:var(--shadow-sm)}.center-btn:hover{border-color:var(--color-primary)}.center-btn.selected{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.ufov-response-circle{position:relative;width:280px;height:280px;margin:0 auto}.peripheral-btn{position:absolute;width:40px;height:40px;border-radius:50%;background:var(--color-bg-primary);border:2px solid var(--color-border);color:var(--color-text-primary);font-weight:600;cursor:pointer;transition:all .2s;transform:translate(-50%,-50%);box-shadow:var(--shadow-sm)}.peripheral-btn:hover{border-color:var(--color-primary)}.peripheral-btn.selected{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.submit-btn{padding:1rem 3rem;background:var(--color-primary);border:none;border-radius:12px;color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:var(--shadow-md)}.ufov-feedback{display:flex;flex-direction:column;gap:1rem}.feedback-item{font-size:1.25rem;font-weight:600}.feedback-item.correct{color:var(--color-success)}.feedback-item.incorrect{color:var(--color-error)}.ravens-game{display:flex;flex-direction:column;align-items:center;gap:2rem}.matrix-grid{background:var(--color-bg-tertiary);border:2px solid var(--color-border);border-radius:12px;padding:1rem;box-shadow:var(--shadow-md)}.matrix-row{display:flex}.matrix-cell{width:80px;height:80px;background:var(--color-bg-primary);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;margin:2px}.matrix-cell.empty{background:var(--color-bg-tertiary);color:var(--color-primary);font-size:2rem;font-weight:700}.cell-shape{transition:all .2s}.cell-shape.circle{border-radius:50%}.cell-shape.square{border-radius:4px}.cell-shape.triangle{width:0!important;height:0!important;border-left:15px solid transparent;border-right:15px solid transparent;border-bottom:26px solid;background:none!important}.cell-shape.diamond{transform:rotate(45deg);border-radius:4px}.cell-shape.solid{background:var(--color-primary);border-color:var(--color-primary)!important}.cell-shape.striped{background:repeating-linear-gradient(45deg,var(--color-primary),var(--color-primary) 2px,transparent 2px,transparent 6px);border:2px solid var(--color-primary)}.cell-shape.dotted{background:radial-gradient(circle,var(--color-primary) 2px,transparent 2px);background-size:8px 8px;border:2px solid var(--color-primary)}.cell-shape.empty{background:transparent;border:2px solid var(--color-primary)}.options-section{text-align:center}.options-section p{color:var(--color-text-secondary);margin-bottom:1rem}.options-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.option-wrapper{position:relative;cursor:pointer;border:3px solid transparent;border-radius:12px;transition:all .2s;background:var(--color-bg-primary);box-shadow:var(--shadow-sm)}.option-wrapper:hover{border-color:var(--color-border)}.option-wrapper.selected{border-color:var(--color-primary)}.option-wrapper.correct{border-color:var(--color-success);background:#0596691a}.option-wrapper.incorrect{border-color:var(--color-error);background:#dc26261a}.option-wrapper .matrix-cell{width:70px;height:70px}.option-label{position:absolute;bottom:-20px;left:50%;transform:translate(-50%);color:var(--color-text-secondary);font-size:.875rem;font-weight:600}.submit-btn{padding:1rem 3rem;background:var(--color-primary);border:none;border-radius:12px;color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;margin-top:1rem;transition:all .2s;box-shadow:var(--shadow-md)}.submit-btn:hover:not(:disabled){background:var(--color-primary-dark)}.submit-btn:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.matrix-cell{width:60px;height:60px}.option-wrapper .matrix-cell{width:50px;height:50px}.options-grid{grid-template-columns:repeat(2,1fr)}}.hanoi-game{width:100%;display:flex;flex-direction:column;align-items:center}.hanoi-towers{display:flex;gap:2rem;justify-content:center;padding:2rem}.hanoi-tower{position:relative;width:200px;height:250px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;cursor:pointer;transition:all .2s;padding-bottom:1rem}.hanoi-tower:hover{transform:translateY(-4px)}.hanoi-tower.selected{background:#2563eb1a;border-radius:12px}.tower-peg{position:absolute;bottom:45px;width:12px;height:180px;background:linear-gradient(180deg,#94a3b8,#64748b);border-radius:6px 6px 0 0}.tower-base{position:absolute;bottom:35px;width:180px;height:14px;background:linear-gradient(180deg,#94a3b8,#64748b);border-radius:7px}.tower-disks{position:absolute;bottom:49px;display:flex;flex-direction:column-reverse;align-items:center;gap:2px}.hanoi-disk{height:28px;border-radius:6px;transition:all .2s;box-shadow:var(--shadow-md)}.hanoi-disk.selected{transform:translateY(-20px);box-shadow:var(--shadow-lg)}.tower-label{position:absolute;bottom:0;font-size:.875rem;color:var(--color-text-secondary);font-weight:600}.difficulty-selector{margin:2rem 0;text-align:center}.difficulty-selector label{display:block;margin-bottom:1rem;color:var(--color-text-secondary)}.level-buttons{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.level-btn{padding:.75rem 1.5rem;background:var(--color-bg-primary);border:2px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-weight:600;cursor:pointer;transition:all .2s;box-shadow:var(--shadow-sm)}.level-btn:hover{border-color:var(--color-primary)}.level-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}@media(max-width:768px){.hanoi-towers{flex-direction:column;gap:1rem}.hanoi-tower{width:100%;max-width:250px;height:150px}.tower-peg{height:100px}.hanoi-disk{height:22px}}#root{min-height:100vh}