@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent: #38bdf8;--accent-hover: #0ea5e9;--danger: #ef4444;--success: #22c55e;--card-bg: rgba(30, 41, 59, .7);--card-border: rgba(148, 163, 184, .1);--backdrop-blur: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-glow: 0 0 20px rgba(56, 189, 248, .15);--font-sans: "Inter", system-ui, sans-serif;--radius: .75rem}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;background-image:radial-gradient(circle at 10% 20%,rgba(56,189,248,.1) 0%,transparent 20%),radial-gradient(circle at 90% 80%,rgba(139,92,246,.1) 0%,transparent 20%)}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;transition:all .2s ease;font-size:1rem}.btn-primary{background-color:var(--accent);color:#0f172a;box-shadow:0 0 10px #38bdf84d}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 0 15px #38bdf866}.btn-outline{border:2px solid var(--card-border);color:var(--text-primary)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(var(--backdrop-blur));backdrop-filter:blur(var(--backdrop-blur));padding:2rem;box-shadow:var(--shadow-lg);transition:transform .2s,box-shadow .2s}.card:hover{border-color:#38bdf833;box-shadow:var(--shadow-glow)}.title-gradient{background:linear-gradient(to right,var(--text-primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.header{border-bottom:1px solid var(--card-border);background:#0f172acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50;padding:1rem 0}.header-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.5rem;letter-spacing:-.02em}.logo-icon{color:var(--accent);width:2rem;height:2rem}.text-accent{color:var(--accent)}.nav{display:flex;gap:.5rem}.nav-link{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:.5rem;color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:all .2s}.nav-link:hover{color:var(--text-primary);background:#ffffff0d}.nav-link.active{color:var(--accent);background:#38bdf81a}.main-content{padding:3rem 0;min-height:calc(100vh - 140px)}.footer{padding:2rem 0;border-top:1px solid var(--card-border);text-align:center;color:var(--text-secondary);font-size:.875rem;margin-top:auto}@media(max-width:600px){.header-content{justify-content:center;gap:.75rem}.nav{flex-wrap:wrap;justify-content:center}.nav-link{padding:.4rem .5rem;font-size:.8rem}.auth-status{width:100%;justify-content:center;margin-top:10px}}.auth-status{display:flex;align-items:center}.signin-link{display:flex;align-items:center;gap:8px;padding:8px 16px;background-color:var(--accent);color:#fff;border-radius:8px;text-decoration:none;font-weight:600;font-size:.9rem;transition:opacity .2s}.signin-link:hover{opacity:.9}.signed-in-badge{display:flex;align-items:center;gap:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);padding:6px 16px;border-radius:20px}.user-info{display:flex;align-items:center;gap:6px;font-size:.9rem;font-weight:500;color:#fff}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.green{background-color:#22c55e;box-shadow:0 0 8px #22c55e99}.signout-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:color .2s,background .2s}.signout-btn:hover{color:#ef4444;background:#ef44441a}.hero{text-align:center;margin-bottom:4rem;max-width:800px;margin-left:auto;margin-right:auto}.hero-title{font-size:3.5rem;font-weight:800;margin-bottom:1rem;line-height:1.1}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);line-height:1.6}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.test-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:2rem;display:flex;flex-direction:column;gap:1.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);text-align:center;align-items:center;-webkit-backdrop-filter:blur(var(--backdrop-blur));backdrop-filter:blur(var(--backdrop-blur))}.test-card:hover{transform:translateY(-5px);border-color:#38bdf84d;box-shadow:var(--shadow-glow)}.test-icon-wrapper{width:4rem;height:4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.5rem}.test-title{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.test-description{color:var(--text-secondary);flex-grow:1}.test-arrow{margin-top:1rem;display:flex;align-items:center;gap:.5rem;font-weight:600;font-size:.9rem;opacity:.8;transition:all .2s}.test-card:hover .test-arrow{opacity:1;gap:.75rem}.fade-in{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:600px){.hero-title{font-size:2.5rem}}.number-memory{max-width:800px;margin:0 auto;text-align:center;min-height:50vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.game-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:3rem;width:100%;-webkit-backdrop-filter:blur(var(--backdrop-blur));backdrop-filter:blur(var(--backdrop-blur));box-shadow:var(--shadow-lg);transition:all .3s ease}.big-number{font-size:6rem;font-weight:700;color:var(--text-primary);margin:2rem 0;letter-spacing:.1em;font-variant-numeric:tabular-nums;animation:popIn .3s cubic-bezier(.175,.885,.32,1.275);word-break:break-all}.input-group{display:flex;flex-direction:column;gap:1.5rem;align-items:center}.number-input{background:#0f172a99;border:2px solid var(--card-border);border-radius:var(--radius);padding:1rem;font-size:2rem;color:var(--text-primary);width:100%;max-width:400px;text-align:center;outline:none;transition:border-color .2s}.number-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px #38bdf81a}.progress-bar-container{width:100%;height:6px;background:#ffffff1a;border-radius:3px;margin-top:2rem;overflow:hidden}.progress-bar{height:100%;background:var(--accent);transform-origin:left;animation:shrink linear forwards}.level-indicator{font-size:1.25rem;color:var(--text-secondary);margin-bottom:1rem;font-weight:500}.result-title{font-size:2rem;font-weight:700;margin-bottom:1rem}.score-display{font-size:4rem;font-weight:800;color:var(--accent);margin:1rem 0}.game-over-text{color:var(--text-secondary);font-size:1.1rem;margin-bottom:2rem}@keyframes popIn{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}@keyframes shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.status-correct{color:var(--success)}.status-wrong{color:var(--danger)}@media(max-width:600px){.game-card{padding:1.5rem}.big-number{font-size:3rem}.number-input{font-size:1.5rem}.score-display{font-size:2.5rem}}.visual-memory{max-width:800px;margin:0 auto;text-align:center;min-height:60vh;display:flex;flex-direction:column;align-items:center}.visual-stats{display:flex;gap:2rem;margin-bottom:2rem;font-size:1.2rem;color:var(--text-secondary)}.stat-value{color:var(--text-primary);font-weight:700;margin-left:.5rem}.grid-container{display:grid;gap:.5rem;margin:0 auto;transition:all .3s ease;background:#0f172a80;padding:1rem;border-radius:var(--radius);border:1px solid var(--card-border)}.tile{background:var(--bg-secondary);border-radius:.5rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);aspect-ratio:1;position:relative;overflow:hidden;border:2px solid transparent}.tile:hover{filter:brightness(1.2);transform:scale(.98)}.tile.active{background:var(--text-primary);box-shadow:0 0 15px #fff6;transform:scale(1)}.tile.correct{background:var(--bg-secondary);animation:flashCorrect .4s ease-out forwards}.tile.revealed{background:var(--text-primary)}.tile.missed{background:#1e293b}.tile.wrong{background:var(--bg-secondary);animation:flashWrong .5s ease-out forwards}@keyframes flashWrong{0%{background:var(--danger);transform:scale(1.1)}to{background:var(--bg-secondary);transform:scale(1)}}@keyframes flashCorrect{0%{background:var(--text-primary);transform:scale(.9)}to{background:var(--text-primary);transform:scale(1)}}@media(max-width:600px){.visual-stats{gap:1rem;font-size:1rem}.grid-container{gap:.25rem;padding:.5rem}}.chimp-test{max-width:900px;margin:0 auto;text-align:center;min-height:70vh;display:flex;flex-direction:column;align-items:center}.chimp-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:.75rem;margin:2rem auto;width:100%;max-width:800px}.chimp-cell{aspect-ratio:1;border-radius:.5rem;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;cursor:pointer;transition:all .2s;-webkit-user-select:none;user-select:none;border:2px solid transparent}.chimp-cell.empty{cursor:default}.chimp-cell.visible{background:var(--card-bg);border-color:var(--accent);color:var(--text-primary);box-shadow:0 4px 6px #0000001a}.chimp-cell.masked{background:var(--text-primary);border-color:var(--text-primary);color:transparent;box-shadow:0 4px 6px #0000001a}.chimp-cell.masked:hover{background:#cbd5e1}.chimp-cell.hidden{opacity:0;pointer-events:none}.chimp-cell.wrong{background:var(--danger);border-color:var(--danger);animation:shake .4s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}@media(max-width:600px){.chimp-grid{gap:.25rem}.chimp-cell{font-size:1.25rem}}.verbal-memory{max-width:800px;margin:0 auto;text-align:center;min-height:60vh;display:flex;flex-direction:column;justify-content:center;align-items:center}.word-display{font-size:4rem;font-weight:800;margin:3rem 0;color:var(--text-primary);animation:popIn .3s cubic-bezier(.175,.885,.32,1.275)}.verbal-actions{display:flex;gap:1.5rem;justify-content:center;margin-top:2rem}.btn-large{padding:1rem 3rem;font-size:1.25rem;min-width:160px}.btn-seen{background-color:var(--accent);color:#0f172a}.btn-seen:hover{background-color:var(--accent-hover)}.btn-new{background-color:var(--bg-secondary);border:2px solid var(--text-secondary);color:var(--text-primary)}.btn-new:hover{border-color:var(--text-primary);background-color:#ffffff0d}@media(max-width:600px){.word-display{font-size:2.5rem;margin:2rem 0;word-break:break-word}.verbal-actions{flex-wrap:wrap;gap:1rem}.btn-large{min-width:140px;padding:.8rem 2rem;font-size:1.1rem}.verbal-memory .title-gradient{font-size:2rem!important}}.stats-page{text-align:center}.empty-stats{padding:3rem;background:var(--bg-hover);border-radius:1rem;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;gap:1rem}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.stats-toggle{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem;background:#0f172a;padding:.5rem;border-radius:2rem;display:inline-flex}.toggle-btn{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:transparent;color:var(--text-secondary);border:none;border-radius:1.5rem;font-weight:600;cursor:pointer;transition:all .2s ease}.toggle-btn:hover{color:var(--text-primary);background:#1e293b}.toggle-btn.active{background:var(--accent-1);color:#fff;box-shadow:0 4px 14px #38bdf866}.stats-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2rem}@media(min-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:#1e293b;border-radius:1rem;padding:1.5rem;border:1px solid var(--border-color);text-align:left;transition:transform .2s ease,box-shadow .2s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 10px 25px -5px #0006}.stat-title{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.global-stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.high-score-block{display:flex;justify-content:space-between;align-items:center;background:#0f172a;padding:1rem 1.5rem;border-radius:.5rem;margin-bottom:1.5rem;border-left:4px solid var(--accent-1)}.high-score-block.small-block{flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:1.5rem 1rem;margin-bottom:0;border-left:none;border-bottom:4px solid #a855f7}.high-score-label{color:var(--text-secondary);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em}.high-score-value{font-size:2rem;font-weight:700;color:var(--text-primary)}.chart-container{background:#0f172a;border-radius:.5rem;padding:1rem;border:1px solid var(--border-color)}.chart-label{font-size:.8rem;color:var(--text-secondary);margin-bottom:1rem;text-align:center;text-transform:uppercase;letter-spacing:.05em}.signin-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 80px);padding:20px}.signin-card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px;width:100%;max-width:450px;box-shadow:0 8px 32px #0000005e;text-align:center}.signin-title{font-size:2em;font-weight:700;margin-bottom:10px;color:#fff}.signin-subtitle{font-size:1rem;color:#aaa;margin-bottom:30px}.signin-form{display:flex;flex-direction:column;gap:20px;text-align:left}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.9rem;font-weight:600;color:#ccc}.form-control{padding:12px 16px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:#0003;color:#fff;font-size:1rem;font-family:inherit;transition:border-color .2s,background .2s}.form-control:focus{outline:none;border-color:#3b82f6;background:#0006}.form-control::placeholder{color:#666}.form-group select option{background:#1a1a1a;color:#fff}.signin-submit-btn{margin-top:10px;padding:14px;border:none;border-radius:8px;background:#3b82f6;color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .2s,transform .1s}.signin-submit-btn:hover{background:#2563eb}.signin-submit-btn:active{transform:scale(.98)}.experiment-hub-container{padding:40px 20px;max-width:800px;margin:0 auto;text-align:center}.hub-header{margin-bottom:50px}.hub-header h1{font-size:2.5rem;color:#fff;margin-bottom:10px}.hub-header p{font-size:1.2rem;color:#a0aec0;margin-bottom:5px}.hub-header .subtitle{font-size:1rem;color:#718096}.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;padding:0 20px}.hub-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:40px 30px;text-decoration:none;color:#fff;transition:transform .2s,background .2s,box-shadow .2s;display:flex;flex-direction:column;align-items:center;position:relative;overflow:hidden}.hub-card:hover{transform:translateY(-5px);background:#ffffff1a;box-shadow:0 10px 30px #00000080;border-color:#3b82f6}.hub-icon{font-size:4rem;margin-bottom:20px}.hub-card h2{font-size:1.5rem;margin-bottom:10px}.hub-card p{color:#a0aec0;font-size:1rem;margin-bottom:30px}.play-experiment-btn{background:#3b82f6;color:#fff;padding:10px 24px;border-radius:8px;font-weight:600;margin-top:auto;transition:background .2s}.hub-card:hover .play-experiment-btn{background:#2563eb}