: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}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem 1rem;gap:2rem}h1{margin:0;font-size:1.75rem;font-weight:700;letter-spacing:-.02em}.scorecard{display:flex;gap:2px;background:#1a1a2e;border-radius:8px;padding:4px;overflow-x:auto;max-width:100%}.frame{display:flex;flex-direction:column;min-width:56px;border:1px solid rgba(255,255,255,.08);border-radius:4px;overflow:hidden;transition:border-color .2s}.frame-tenth{min-width:76px}.frame.active{border-color:#646cff;box-shadow:0 0 8px #646cff4d}.frame-number{text-align:center;font-size:.65rem;padding:2px 0;background:#ffffff0d;color:#fff6;letter-spacing:.1em}.rolls{display:flex;border-bottom:1px solid rgba(255,255,255,.08)}.roll-box{flex:1;text-align:center;padding:6px 4px;font-size:.85rem;font-weight:600;min-width:28px;border-right:1px solid rgba(255,255,255,.06);color:#e0e0e0}.roll-box:last-child{border-right:none}.frame-score{text-align:center;padding:6px 4px;font-size:.9rem;font-weight:700;min-height:28px;color:#fff}.pin-buttons{text-align:center}.label{margin:0 0 .75rem;color:#fff9;font-size:.9rem}.buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;max-width:400px}.pin-btn{width:42px;height:42px;border:1px solid rgba(255,255,255,.15);border-radius:8px;background:#ffffff0d;color:#fafafa;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .15s}.pin-btn:hover{background:#646cff;border-color:#646cff;transform:translateY(-1px)}.pin-btn:active{transform:translateY(0)}.result{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem}.final-score{margin:0;font-size:1.25rem;color:#fffc}.final-score strong{font-size:2rem;color:#fff}.reset-btn{padding:10px 28px;border:1px solid #646cff;border-radius:8px;background:#646cff;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .15s}.reset-btn:hover{background:#535bf2}