.candle-chart-widget{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;border:1px solid #e0e0e0;border-radius:8px;background:#fff;box-shadow:0 2px 8px #0000001a;overflow:hidden}.chart-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e0e0e0;background:#fafafa}.chart-header h3{margin:0;font-size:18px;font-weight:600;color:#333}.symbol-info{display:flex;flex-direction:column;gap:4px}.price-info{display:flex;align-items:center;gap:8px;font-size:14px}.current-price{font-size:16px;font-weight:600;color:#333}.price-change{font-size:12px;font-weight:500}.price-change.positive{color:#26a69a}.price-change.negative{color:#ef5350}.status-indicators{display:flex;align-items:center;gap:16px;font-size:12px}.connection-status{padding:4px 8px;border-radius:12px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.connection-status.connecting{background:#fff3cd;color:#856404}.connection-status.connected{background:#d4edda;color:#155724}.connection-status.disconnected{background:#f8d7da;color:#721c24}.last-update{color:#666;font-size:11px}.demo-badge{background:#ff6b35;color:#fff;padding:2px 6px;border-radius:8px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.error-message{background:#f8d7da;color:#721c24;padding:12px 20px;margin:0;border-bottom:1px solid #f5c6cb;font-size:14px}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffffe6;display:flex;align-items:center;justify-content:center;z-index:10}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid #3498db;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chart-container{position:relative;background:#fff}@media (max-width: 768px){.chart-header{flex-direction:column;gap:8px;align-items:flex-start}.status-indicators{gap:8px}.chart-header h3{font-size:16px}}@media (prefers-color-scheme: dark){.candle-chart-widget{background:#1a1a1a;border-color:#333}.chart-header{background:#2a2a2a;border-bottom-color:#333}.chart-header h3{color:#fff}.last-update{color:#ccc}.loading-overlay{background:#1a1a1ae6}}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.app-header{text-align:center;color:#fff;margin-bottom:40px}.app-header h1{font-size:2.5rem;font-weight:700;margin:0 0 10px;text-shadow:0 2px 4px rgba(0,0,0,.3)}.app-header p{font-size:1.1rem;margin:0;opacity:.9}.app-main{max-width:1400px;margin:0 auto}.chart-layout{display:flex;gap:24px;margin-bottom:40px}.chart-section{flex:1;background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 32px #0000001a}.trades-section{width:300px;background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 32px #0000001a;height:fit-content}.trades-section h3{margin:0 0 8px;font-size:1.3rem;font-weight:600;color:#333}.trades-description{margin:0 0 20px;color:#666;font-size:.9rem;line-height:1.4}.trades-container{background:#f8f9fa;border-radius:8px;padding:16px;max-height:500px;overflow-y:auto}.trade-item-header{display:flex;justify-content:space-between;padding:8px 12px;background:#e9ecef;border-radius:6px;margin-bottom:12px;font-weight:600;font-size:12px;color:#495057}.trades-list{display:flex;flex-direction:column;gap:8px}.no-trades{text-align:center;padding:20px;color:#999;font-style:italic}.no-trades p{margin:0;font-size:14px}.widget-section{margin-bottom:40px;background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 32px #0000001a}.widget-section h2{margin:0 0 8px;font-size:1.5rem;font-weight:600;color:#333}.widget-description{margin:0 0 20px;color:#666;font-size:.95rem;line-height:1.5}.info-section{background:#fff;border-radius:12px;padding:24px;box-shadow:0 8px 32px #0000001a}.info-section h3{margin:0 0 16px;font-size:1.3rem;font-weight:600;color:#333}.info-section ul{margin:0 0 24px;padding-left:20px}.info-section li{margin-bottom:8px;line-height:1.6;color:#555}.info-section code{background:#f5f5f5;padding:2px 6px;border-radius:4px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9em;color:#e83e8c}.data-structure{background:#f8f9fa;border-radius:8px;padding:20px;margin-top:20px}.data-structure h4{margin:0 0 12px;font-size:1.1rem;font-weight:600;color:#333}.data-structure pre{background:#2d3748;color:#e2e8f0;padding:16px;border-radius:6px;overflow-x:auto;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9rem;line-height:1.5;margin:0 0 20px}.data-structure pre:last-child{margin-bottom:0}@media (max-width: 768px){.app{padding:16px}.app-header h1{font-size:2rem}.app-header p{font-size:1rem}.widget-section,.info-section{padding:16px}.widget-section h2{font-size:1.3rem}.info-section h3{font-size:1.2rem}}@media (prefers-color-scheme: dark){.widget-section,.info-section{background:#1a1a1a;color:#fff}.widget-section h2,.info-section h3,.data-structure h4{color:#fff}.info-section li{color:#ccc}.info-section code{background:#2d3748;color:#e2e8f0}.data-structure{background:#2d3748}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}#root{min-height:100vh}