*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:#0d1117;color:#e6edf3;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:13px;display:flex;flex-direction:column;height:100dvh;overflow:hidden}header{display:flex;align-items:center;gap:12px;padding:8px 16px;background:#161b22;border-bottom:1px solid #30363d;flex-shrink:0}h1{font-size:15px;font-weight:600;color:#58a6ff;letter-spacing:.5px}.pair-label{font-size:13px;color:#8b949e}.tf-group{display:flex;gap:4px;margin-left:auto}.tf-btn{padding:4px 10px;border:1px solid #30363d;border-radius:6px;background:transparent;color:#8b949e;cursor:pointer;font-size:12px;transition:background .15s,color .15s,border-color .15s}.tf-btn:hover{background:#21262d;color:#e6edf3}.tf-btn.active{background:#1f6feb;border-color:#1f6feb;color:#fff}#status-bar{padding:4px 16px;background:#0d1117;color:#8b949e;font-size:11px;border-bottom:1px solid #21262d;flex-shrink:0;min-height:22px}#chart-wrapper{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}#candlestick-chart{flex:3;min-height:0}.chart-divider{height:3px;background:#21262d;cursor:row-resize;flex-shrink:0}#macd-chart{flex:1;min-height:80px}#loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0d1117d9;z-index:10;font-size:14px;color:#8b949e;gap:10px}#loading.hidden{display:none}.spinner{width:18px;height:18px;border:2px solid #30363d;border-top-color:#58a6ff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#error-msg{display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#3d1f1f;border:1px solid #f85149;border-radius:8px;padding:16px 24px;color:#f85149;z-index:20;text-align:center;max-width:400px}#error-msg.visible{display:block}