: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:#1a1a2e;color:#fff}.crystal-app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem;gap:1.25rem}.crystal-title{margin:0;font-size:2rem;letter-spacing:-.02em}.crystal-stats{display:flex;gap:1.5rem;font-size:1.1rem}.crystal-message{margin:0;color:#ffffffbf;font-size:.95rem;min-height:1.5em}.crystal-grid{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.crystal-card{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:1rem 1.25rem;border-radius:.5rem;border:none;cursor:pointer;width:130px;font-size:.95rem;font-family:inherit;transition:transform .1s}.crystal-card:hover{transform:scale(1.05)}.crystal-card:active{transform:scale(.97)}.upgrade-btn{padding:.75rem 1.5rem;border-radius:.5rem;border:1px solid rgba(255,255,255,.2);background:#ffffff14;color:#fff;font-size:1rem;font-family:inherit;cursor:pointer;transition:background .15s}.upgrade-btn:hover:not(:disabled){background:#ffffff26}.upgrade-btn:disabled{opacity:.4;cursor:not-allowed}