.orderbook-container{background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}@media (max-width: 768px){.orderbook-container{border-radius:8px;box-shadow:0 2px 10px #0000001a}.orderbook-header{padding:16px;flex-direction:column;gap:12px;text-align:center}.orderbook-title{font-size:20px}.orderbook-controls{flex-direction:column;gap:8px}.connection-status{font-size:11px;padding:4px 8px}.orderbook-content{flex-direction:column}.exchange-section{margin-bottom:16px}.orderbook-table{font-size:12px}.table-header{padding:8px;font-size:11px}.order-row{padding:6px 8px;font-size:11px}.price,.change,.quantity{font-size:11px}}.orderbook-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;display:flex;justify-content:space-between;align-items:center}.orderbook-title{margin:0;font-size:24px;font-weight:600}.orderbook-controls{display:flex;align-items:center;gap:16px}.connection-status{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:500}.connection-status.connected{background:#22c55e33;color:#22c55e}.connection-status.disconnected{background:#ef444433;color:#ef4444}.last-update{font-size:12px;opacity:.8}.close-button{background:#fff3;border:none;color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:16px;transition:all .2s ease}.close-button:hover{background:#ffffff4d;transform:scale(1.05)}.error-message{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:16px;margin:20px;display:flex;align-items:center;gap:12px}.error-icon{font-size:24px}.error-content h3{margin:0 0 4px;color:#dc2626;font-size:16px}.error-content p{margin:0;color:#7f1d1d;font-size:14px}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#6b7280}.loading-spinner{width:40px;height:40px;border:4px solid #e5e7eb;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.orderbook-content{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px}.exchange-section{background:#f9fafb;border-radius:8px;overflow:hidden}.exchange-header{background:#f3f4f6;padding:16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #e5e7eb}.exchange-logo{width:24px;height:24px;border-radius:4px}.exchange-header h3{margin:0;font-size:18px;font-weight:600;color:#374151}.orderbook-table{padding:0}.table-header{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:12px 16px;background:#f9fafb;border-bottom:1px solid #e5e7eb;font-weight:600;font-size:12px;color:#6b7280;text-transform:uppercase;letter-spacing:.5px}.asks-section{background:#fef2f2}.bids-section{background:#f0f9ff}.divider{background:#1f2937;color:#fff;padding:8px 16px;text-align:center;font-weight:600;font-size:14px;position:relative}.divider:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#ef4444,#3b82f6)}.divider-text{background:#1f2937;padding:4px 12px;border-radius:12px}.order-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;padding:12px 16px;align-items:center;border-bottom:1px solid #e5e7eb;transition:background-color .2s ease}.order-row:hover{background:#00000005}.order-row:last-child{border-bottom:none}.price{font-weight:600;font-size:14px}.ask-price{color:#dc2626}.bid-price{color:#2563eb}.change{font-size:12px;font-weight:500}.ask-change{color:#dc2626}.bid-change{color:#2563eb}.quantity-container{position:relative;display:flex;align-items:center;gap:8px}.quantity-bar{height:20px;border-radius:10px;position:absolute;left:0;top:50%;transform:translateY(-50%);z-index:1}.ask-bar{background:linear-gradient(90deg,#dc262633,#dc26261a);border:1px solid rgba(220,38,38,.3)}.bid-bar{background:linear-gradient(90deg,#2563eb33,#2563eb1a);border:1px solid rgba(37,99,235,.3)}.quantity{font-size:12px;font-weight:500;color:#374151;z-index:2;position:relative;background:#ffffffe6;padding:2px 6px;border-radius:4px;min-width:60px;text-align:right}.no-data{padding:40px 20px;text-align:center;color:#9ca3af;font-size:14px}@media (max-width: 768px){.orderbook-content{grid-template-columns:1fr;gap:16px}.orderbook-header{padding:16px;flex-direction:column;gap:12px;align-items:flex-start}.orderbook-controls{width:100%;justify-content:space-between}.table-header{font-size:11px;gap:12px;padding:10px 12px}.order-row{gap:12px;padding:10px 12px}.price,.change{font-size:13px}.quantity{font-size:11px;min-width:50px}}