*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#0f1117;color:#e5e7eb}.app{max-width:1200px;margin:0 auto;padding:24px}header h1{margin:0 0 4px;font-size:1.6rem}.subtitle{color:#9ca3af;margin:0 0 24px;font-size:.9rem}.error-banner{background:#3f1d1d;border:1px solid #7f1d1d;color:#fca5a5;padding:12px 16px;border-radius:8px;margin-bottom:16px}.loading{color:#9ca3af;padding:24px 0}.coin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.coin-card{background:#1a1d29;border:1px solid #2a2e3f;border-radius:12px;padding:16px;cursor:pointer;transition:border-color .15s}.coin-card:hover{border-color:#4b5563}.coin-card-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.coin-card-header img{border-radius:50%}.coin-name{font-weight:600;font-size:.95rem}.coin-symbol{color:#9ca3af;font-size:.75rem}.coin-price{margin-left:auto;font-weight:600;font-size:.95rem}.trend-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.trend-badge{border:1px solid;border-radius:8px;padding:6px 4px;text-align:center}.trend-label{font-size:.65rem;color:#9ca3af;text-transform:uppercase}.trend-arrow{font-weight:700;font-size:.85rem;margin:2px 0}.trend-confidence{font-size:.6rem;color:#6b7280}