:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-card: rgba(30, 41, 59, .7);--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #10b981;--error: #ef4444;--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;background:radial-gradient(circle at top left,#1e1b4b,#0f172a);position:relative}body:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url(https://www.transparenttextures.com/patterns/cubes.png);opacity:.05;pointer-events:none}#root{flex:1;display:flex;flex-direction:column;z-index:1}.landing-container{width:100%;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;position:relative;overflow:hidden}.hero,.round-intro,.round-summary,.final-results{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#0f172ab3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:100;padding:1rem}.hero h1,.round-intro h2,.round-summary h2,.final-results h1{font-size:3.5rem;font-weight:800;margin-bottom:.5rem;background:linear-gradient(to right,#fff,#6366f1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-align:center;letter-spacing:-.02em}.hero p,.round-intro p,.round-summary p{font-size:1.25rem;color:var(--text-muted);max-width:600px;text-align:center;line-height:1.6;margin-bottom:2rem}.glass-card{background:#1e293ba6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;border-radius:24px;padding:3rem;max-width:550px;width:100%;display:flex;flex-direction:column;align-items:center;animation:popIn .4s cubic-bezier(.16,1,.3,1)}@keyframes popIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.btn{padding:.75rem 1.5rem;border-radius:12px;border:none;font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px)}.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:#6366f11a}.game-board{position:relative;width:100%;max-width:900px;aspect-ratio:16 / 10;margin:2rem auto;background:#0006;border-radius:20px;border:1px solid var(--glass-border);overflow:hidden;cursor:default}.stain{position:absolute;border-radius:50%;filter:blur(50px);pointer-events:none;opacity:.3;z-index:0}.placeholder{position:absolute;width:60px;height:60px;border:2px dashed rgba(255,255,255,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:.8rem;color:#ffffff0d;transform:translate(-50%,-50%);pointer-events:none}.number-item{position:absolute;cursor:grab;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:flex;align-items:center;justify-content:center;transition:all .2s ease;font-weight:700;z-index:10;width:40px;height:40px;transform:translate(-50%,-50%)}.number-item:active{cursor:grabbing;transform:translate(-50%,-50%) scale(1.1) rotate(0)!important}.number-item:hover{transform:translate(-50%,-50%) scale(1.2);color:var(--primary)}.number-item.correct{opacity:.3;pointer-events:none;color:var(--accent)}.number-item.disturbed{animation:pulseError 2s infinite;color:var(--error)!important}@keyframes pulseError{0%{transform:scale(1) translateY(0)}50%{transform:scale(1.2) translateY(-5px);box-shadow:0 0 15px var(--error)}to{transform:scale(1) translateY(0)}}.timer-bar{width:100%;height:6px;background:#ffffff1a;border-radius:3px;margin-top:1rem;overflow:hidden}.timer-progress{height:100%;background:var(--primary);transition:width .1s linear}.stat-group{display:flex;gap:2rem;justify-content:center;margin-top:1.5rem}.stat-item{text-align:center}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.875rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.round-intro,.round-summary,.final-results{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:5vh;min-height:40vh;width:100%;z-index:10}.round-summary h2{font-size:2.5rem;margin-bottom:1rem;color:var(--accent)}.final-results{max-width:900px;margin:0 auto}@media (max-width: 768px){.hero h1{font-size:2.5rem}.landing-container{padding:1rem}.glass-card{padding:1.5rem}.game-board{aspect-ratio:1/1}}.error-alert{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);background:#ef4444e6;color:#fff;padding:1rem 2rem;border-radius:12px;display:flex;align-items:center;gap:.75rem;font-weight:500;box-shadow:0 10px 15px -3px #0000004d;z-index:100}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:3rem}.stat-item-card{background:#ffffff08;padding:1.5rem;border-radius:20px;border:1px solid var(--glass-border);display:flex;flex-direction:column;align-items:center;text-align:center}.stat-item-card .stat-label{font-size:.8rem;color:var(--text-muted);margin-bottom:.5rem}.stat-item-card .stat-value{font-size:2.5rem;font-weight:800;color:var(--primary);line-height:1}.stat-item-card .stat-unit{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:1.5rem}.lesson-card{background:#ffffff05;padding:1.5rem;border-radius:16px;border:1px solid var(--glass-border)}.lesson-card h4{color:var(--primary);margin-bottom:.75rem;font-size:1.1rem}.lesson-card p{font-size:.95rem;line-height:1.6;color:var(--text-muted)}@media (max-width: 600px){.landing-container{padding:1rem}.glass-card{padding:1.5rem;border-radius:16px}.hero h1,.round-intro h2,.round-summary h2,.final-results h1{font-size:2.2rem}.hero p,.round-intro p,.round-summary p{font-size:1rem;margin-bottom:1.5rem}.game-board{width:100%;height:auto;aspect-ratio:16/10;margin-top:1rem}.btn{padding:.6rem 1.2rem;font-size:.9rem}.number-item{font-size:clamp(.9rem,1.5vw,1.2rem)}}