body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#121212;color:#e0e0e0;margin:0;padding:2rem}.container{max-width:600px;margin:auto}.title{font-size:2rem;font-weight:700;text-align:center;color:#0fc;margin-bottom:.5rem}.subtitle{font-size:.9rem;color:#888;text-align:center;margin-bottom:2rem}.coin{display:flex;align-items:center;background-color:#1e1e1e;padding:1rem;border-radius:10px;border:1px solid #333;box-shadow:0 2px 5px #00ffcc1a;margin-bottom:1rem;transition:transform .2s ease}.coin:hover{transform:scale(1.02);box-shadow:0 4px 12px #0fc3}.coin img{margin-right:1rem;width:32px;height:32px}.error-box{background-color:#ffe0e0;border:1px solid #ff4d4f;color:#a30000;padding:1rem;border-radius:8px;margin:2rem auto;width:fit-content;display:flex;align-items:center;gap:.5rem;font-weight:500;font-size:1rem;box-shadow:0 0 10px #ff00001a}