:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.shell{min-height:100vh;display:grid;place-items:center;padding:2rem;-webkit-user-select:none;user-select:none;touch-action:none}.game-container{width:100%;max-width:600px;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.game-header{text-align:center;width:100%}.game-header h1{margin:0 0 .5rem;font-size:2rem;font-weight:700;letter-spacing:-.03em;background:linear-gradient(135deg,#a78bfa,#60a5fa,#34d399);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stats{display:flex;gap:1.5rem;justify-content:center;font-size:.85rem;color:#ffffff80}.stat{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;letter-spacing:.05em}.instructions{color:#fff6;font-size:.9rem;margin:0}.target-area{display:flex;flex-wrap:wrap;gap:1.25rem;justify-content:center;padding:2rem;border:1px solid rgba(255,255,255,.08);border-radius:1rem;background:#ffffff05;min-height:120px;width:100%}.target-slot{width:80px;height:80px;display:grid;place-items:center;border-radius:.75rem;border:2px dashed rgba(255,255,255,.08);background:#ffffff05;transition:border-color .2s,background .2s,transform .2s;cursor:default}.target-slot:hover:not(.placed){border-color:#fff3;background:#ffffff0a}.target-slot.placed{border-color:#22c55e66;background:#22c55e0f}.target-slot.shake{animation:shake .4s ease;border-color:#ef444480;background:#ef44440f}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.shape-tray{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;padding:1.5rem;border:1px solid rgba(255,255,255,.06);border-radius:1rem;background:#ffffff03;min-height:100px;width:100%}.draggable-shape{width:80px;height:80px;display:grid;place-items:center;border-radius:.75rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);cursor:grab;transition:transform .15s,box-shadow .15s,border-color .15s}.draggable-shape:hover{transform:translateY(-2px);border-color:#fff3;box-shadow:0 6px 20px #0000004d}.draggable-shape.dragging{opacity:.3;transform:scale(.95)}.placed-shape{display:grid;place-items:center}.pop-in{animation:popIn .35s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(.3);opacity:0}to{transform:scale(1);opacity:1}}.celebration-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.celebration-card{text-align:center;padding:2.5rem 3rem;border:1px solid rgba(255,255,255,.1);border-radius:1.25rem;background:#141414;animation:slideUp .4s cubic-bezier(.34,1.56,.64,1)}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.celebration-card h2{margin:0 0 .5rem;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#34d399,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.celebration-score{color:#ffffff80;font-size:.9rem;margin:0 0 1.5rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.celebration-buttons{display:flex;gap:.75rem;justify-content:center}.btn{padding:.6rem 1.5rem;border-radius:.5rem;font-size:.9rem;font-weight:500;cursor:pointer;border:none;transition:transform .15s,background .15s}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}.btn-primary:hover{background:linear-gradient(135deg,#7c7ff7,#9d78fa)}.btn-secondary{background:#ffffff14;color:#ffffffb3;border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:#ffffff1f;color:#fff}.game-footer{display:flex;gap:.75rem}.game-footer .btn{font-size:.8rem;padding:.45rem 1rem}