.tool-btn-secondary{padding:7px 14px;background:transparent;border:1px solid #ddd;border-radius:4px;font-size:13px;cursor:pointer;color:var(--text-secondary,#6c757d);}.tool-btn-secondary:hover{background:#f0f0f0;}.ss-spinner{width:40px;height:40px;margin:0 auto;border:4px solid #e0e0e0;border-top-color:#3498db;border-radius:50%;animation:ss-spin 0.8s linear infinite;}@keyframes ss-spin{to{transform:rotate(360deg);}}.ss-browser-frame{border:1px solid #ddd;border-radius:8px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,0.1);}.ss-browser-bar{background:#2c3e50;padding:8px 12px;display:flex;align-items:center;gap:10px;}.ss-dots{display:flex;gap:6px;}.ss-dots span{width:10px;height:10px;border-radius:50%;display:block;}.ss-url-bar{flex:1;background:#34495e;border-radius:4px;padding:4px 10px;font-size:12px;color:#ecf0f1;font-family:'Fira Code',monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}.ss-browser-content{background:#fff;max-height:500px;overflow:auto;}.ss-preview-img{width:100%;display:block;}