:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;--text-primary:#e0e0e8;--text-secondary:#8888a0;--cyan:#00e5ff;--pink:#ff2d7b;--gold:#ffc107;--green:#00e676;--purple:#b388ff;--font-display:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace;--slide-title:clamp(2.5rem, 6vw, 5rem);--slide-subtitle:clamp(1.5rem, 3.5vw, 2.8rem);--slide-body:clamp(1.2rem, 2.5vw, 2rem);--slide-small:clamp(.9rem, 1.5vw, 1.2rem);--slide-huge:clamp(4rem, 12vw, 10rem)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg-primary);width:100%;height:100%;color:var(--text-primary);font-family:var(--font-display);-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}.glow-cyan{text-shadow:0 0 20px var(--cyan), 0 0 40px var(--cyan);color:var(--cyan)}.glow-pink{text-shadow:0 0 20px var(--pink), 0 0 40px var(--pink);color:var(--pink)}.glow-gold{text-shadow:0 0 20px var(--gold), 0 0 40px var(--gold);color:var(--gold)}.glow-green{text-shadow:0 0 20px var(--green), 0 0 40px var(--green);color:var(--green)}.glow-purple{text-shadow:0 0 20px var(--purple), 0 0 40px var(--purple);color:var(--purple)}.grammar-modal{color:var(--cyan);text-decoration:underline;-webkit-text-decoration-color:var(--cyan);text-decoration-color:var(--cyan);text-underline-offset:5px;font-weight:700;text-decoration-thickness:3px}.grammar-purpose{color:var(--pink);text-decoration:underline;-webkit-text-decoration-color:var(--pink);text-decoration-color:var(--pink);text-underline-offset:5px;font-weight:700;text-decoration-thickness:3px}@keyframes pulse-glow{0%,to{opacity:1}50%{opacity:.6}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-12px)}}@keyframes fade-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in-up{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes slide-in-right{0%{opacity:0;transform:translate(60px)}to{opacity:1;transform:translate(0)}}@keyframes slide-in-left{0%{opacity:0;transform:translate(-60px)}to{opacity:1;transform:translate(0)}}@keyframes scale-in{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes draw-line{0%{stroke-dashoffset:1000px}to{stroke-dashoffset:0}}@keyframes number-count{0%{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.particle-canvas{pointer-events:none;z-index:0;width:100%;height:100%;position:fixed;top:0;left:0}.slide-enter{animation:.5s forwards fade-in}.flex-center{justify-content:center;align-items:center;display:flex}.flex-col-center{flex-direction:column;justify-content:center;align-items:center;display:flex}.game-canvas{touch-action:none;width:100%;height:100%;display:block}::-webkit-scrollbar{display:none}