@keyframes coinFlip{0%{transform:rotateY(0deg)}50%{transform:rotateY(1800deg) scale(1.1)}to{transform:rotateY(3600deg)}}.coin-tool{background:#fff;border-radius:16px;border:1px solid var(--gray-200);padding:2rem;margin-top:2rem;display:flex;flex-direction:column;align-items:center;gap:1.5rem}.coin-display{perspective:600px}.coin-circle{width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,#f5d020 0,#f5a623 50%,#d4931a 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 30px rgba(0,0,0,.2),inset 0 2px 4px rgba(255,255,255,.3);transition:transform .6s}.coin-circle.coin-flipping{animation:coinFlip .6s ease}.coin-face{font-size:2.5rem;font-weight:700;color:#6b4f1d;text-shadow:0 1px 2px rgba(255,255,255,.3)}.coin-result{font-size:1.5rem;font-weight:700;color:var(--gray-800);min-height:2rem}.coin-controls{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center}.coin-section{text-align:center}.coin-label{font-size:.85rem;font-weight:600;color:var(--gray-600);text-transform:uppercase;margin-bottom:.5rem}.coin-num-btn,.coin-num-btns{display:flex;align-items:center}.coin-num-btns{gap:.75rem}.coin-num-btn{width:36px;height:36px;border:1px solid var(--gray-200);border-radius:8px;background:#fff;font-size:1.2rem;font-weight:600;color:var(--gray-700);cursor:pointer;justify-content:center}.coin-num-btn:hover{border-color:var(--primary-500);color:var(--primary-500)}.coin-num-val{font-size:1.5rem;font-weight:700;color:var(--gray-800);min-width:30px;text-align:center}.coin-btn{padding:.9rem 3rem;background:var(--primary-500);color:#fff;border:0;border-radius:10px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s}.coin-btn:hover{background:var(--primary-600);transform:translateY(-2px);box-shadow:0 4px 12px rgba(235,57,68,.3)}.coin-stats{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:center;justify-content:center;padding:1rem 1.5rem;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:12px}.coin-stat{text-align:center}.coin-stat-label{display:block;font-size:.75rem;font-weight:600;color:var(--gray-500);text-transform:uppercase}.coin-stat-value{font-size:1.5rem;font-weight:700;color:var(--gray-800)}.coin-reset{padding:.4rem 1rem;border:1px solid var(--gray-200);border-radius:6px;background:#fff;font-size:.85rem;color:var(--gray-600);cursor:pointer}.coin-reset:hover{border-color:var(--primary-500);color:var(--primary-500)}.coin-history{width:100%;max-height:80px;overflow-y:auto;font-size:.85rem;color:var(--gray-500);border-top:1px solid var(--gray-200);padding-top:.75rem;text-align:center;display:flex;flex-wrap:wrap;gap:.25rem;justify-content:center}.coin-h{color:#f5a623;font-weight:600}.coin-t{color:var(--gray-500);font-weight:600}@media (max-width:600px){.coin-tool{padding:1rem}.coin-circle{width:110px;height:110px}.coin-face{font-size:2rem}}