body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:#0d0d0d;color:#fff;overflow:hidden}.spread-trading{width:100vw;height:100vh;display:flex;flex-direction:column;background:#0d0d0d}.trading-header{background:#151515;border-bottom:1px solid #222;padding:14px 24px;flex-shrink:0}.header-content{display:flex;justify-content:space-between;align-items:center;gap:24px}.pair-summary{display:flex;align-items:center;gap:12px;flex:1}.favorite-btn{width:28px;height:28px;border-radius:50%;border:none;background:#ffffff14;color:#bbb;cursor:pointer;font-size:14px}.pair-icon-circle{width:34px;height:34px;border-radius:50%;background:#2a2a2a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.pair-select-wrap{position:relative;display:flex;align-items:center}.pair-select{padding:8px 30px 8px 10px;background:transparent;border:none;color:#fff;cursor:pointer;font-size:18px;font-weight:600;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.pair-caret{position:absolute;right:2px;color:#888;font-size:14px;pointer-events:none}.pair-price{display:flex;align-items:baseline;gap:12px}.pair-price-value{font-size:28px;font-weight:700}.pair-price-change{font-size:16px;font-weight:600}.pair-price-value.up,.pair-price-change.up{color:#0f8}.pair-price-value.down,.pair-price-change.down{color:#f44}.pair-stats{display:flex;align-items:center;gap:24px;color:#ddd;font-size:12px}.pair-stat{display:flex;flex-direction:column;gap:4px}.pair-stat-label{color:#9aa0a6;font-weight:500}.pair-stat-value{color:#fff;font-size:14px;font-weight:600}.trading-main{flex:1;display:grid;grid-template-columns:1fr 320px;gap:0;overflow:hidden}.chart-section{display:flex;flex-direction:column;background:#0d0d0d;border-right:1px solid #222;overflow:hidden}.time-interval-selector{display:flex;gap:4px;padding:12px 16px;background:#151515;border-bottom:1px solid #222;flex-shrink:0;justify-content:flex-end;align-items:center}.settings-btn{margin-left:8px;padding:4px;background:transparent;border:none;color:#888;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .2s}.settings-btn:hover{color:#fff}.interval-btn{padding:6px 12px;background:transparent;border:1px solid transparent;border-radius:4px;color:#888;cursor:pointer;font-size:12px;transition:all .2s}.interval-btn:hover{color:#fff;background:#ffffff0d}.interval-btn.active{background:#00ff8826;border-color:#0f8;color:#0f8}.price-display-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#151515;border-bottom:1px solid #222;flex-shrink:0}.current-price-display{display:flex;align-items:baseline;gap:12px}.price-label{font-size:12px;color:#888}.price-value-main{font-size:24px;font-weight:600;color:#fff}.price-info{display:flex;gap:24px}.price-info-item{display:flex;flex-direction:column;gap:4px}.price-info-item .label{font-size:11px;color:#888}.price-info-item .value{font-size:14px;font-weight:500;color:#fff}.price-info-item .value.buy{color:#0f8}.price-info-item .value.sell{color:#f44}.chart-container{flex:1;position:relative;min-height:0;background:#0d0d0d;width:100%;height:100%;overflow:hidden}.crosshair-layer{position:absolute;top:0;left:0;pointer-events:none;z-index:8}.crosshair-line{position:absolute;background:#ffffff40}.crosshair-vertical{top:0;width:1px;height:100%}.crosshair-horizontal{left:0;height:1px;width:100%}.crosshair-time-label{position:absolute;bottom:6px;transform:translate(-50%);background:#000000a6;border-radius:8px;padding:6px 10px;color:#fff;font-size:12px;line-height:1.2;text-align:center;pointer-events:none;z-index:9}.depth-bar-container{position:absolute;right:0;top:0;bottom:0;width:30px;display:flex;align-items:center;justify-content:center;z-index:10;pointer-events:none}.depth-bar{width:20px;height:90%;display:flex;flex-direction:column;border-radius:2px;overflow:hidden;background:#ffffff0d}.depth-segment{position:relative;display:flex;align-items:center;justify-content:center;transition:height .3s ease}.depth-segment.buy{background:#0f83}.depth-segment.sell{background:#f443}.depth-percentage{font-size:10px;color:#666;font-weight:500}.depth-marker{position:absolute;left:0;right:0;height:1px;background:#ffffff4d;z-index:1}.trading-panel{display:flex;flex-direction:column;background:#151515;overflow-y:auto;height:100%}.panel-section{padding:16px;border-bottom:1px solid #222}.panel-section h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px}.form-tabs{display:flex;gap:8px;margin-bottom:16px}.tab-btn{flex:1;padding:10px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#888;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.tab-btn:hover{background:#ffffff14;color:#fff}.tab-btn.active.buy{background:#00ff8826;border-color:#0f8;color:#0f8}.tab-btn.active.sell{background:#ff444426;border-color:#f44;color:#f44}.form-content{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:12px;color:#888;font-weight:500}.leverage-selector{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.leverage-btn{padding:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:4px;color:#888;cursor:pointer;font-size:12px;font-weight:500;transition:all .2s}.leverage-btn:hover{background:#ffffff14;color:#fff}.leverage-btn.active{background:#00ccff26;border-color:#0cf;color:#0cf}.form-input{padding:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:6px;color:#fff;font-size:14px;transition:all .2s}.form-input:focus{outline:none;border-color:#0f8;background:#ffffff14}.form-input::placeholder{color:#555}.form-info{display:flex;flex-direction:column;gap:8px;padding:12px;background:#ffffff08;border-radius:6px}.info-row{display:flex;justify-content:space-between;font-size:13px}.info-row span:first-child{color:#888}.info-row span:last-child{color:#fff;font-weight:500}.submit-btn{padding:14px;border:none;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;text-transform:uppercase;letter-spacing:.5px}.submit-btn.buy{background:#0f8;color:#000}.submit-btn.buy:hover{background:#0c8;transform:translateY(-1px)}.submit-btn.sell{background:#f44;color:#fff}.submit-btn.sell:hover{background:#c33;transform:translateY(-1px)}.trade-history-list{display:flex;flex-direction:column;gap:4px;max-height:400px;overflow-y:auto}.trade-item{display:grid;grid-template-columns:40px 1fr 80px 80px;gap:12px;padding:8px;background:#ffffff05;border-radius:4px;font-size:12px;transition:background .2s}.trade-item:hover{background:#ffffff0d}.trade-type{font-weight:600;padding:2px 6px;border-radius:3px;text-align:center;font-size:11px}.trade-type.buy{color:#0f8;background:#00ff881a}.trade-type.sell{color:#f44;background:#ff44441a}.trade-price{color:#fff;font-weight:500}.trade-amount{color:#888}.trade-time{color:#666;font-size:11px}.trade-history-list::-webkit-scrollbar,.trading-panel::-webkit-scrollbar{width:6px}.trade-history-list::-webkit-scrollbar-track,.trading-panel::-webkit-scrollbar-track{background:#ffffff0d}.trade-history-list::-webkit-scrollbar-thumb,.trading-panel::-webkit-scrollbar-thumb{background:#fff3;border-radius:3px}.trade-history-list::-webkit-scrollbar-thumb:hover,.trading-panel::-webkit-scrollbar-thumb:hover{background:#ffffff4d}@media (max-width: 1200px){.trading-main{grid-template-columns:1fr}.trading-panel{order:-1;max-height:400px}}*{margin:0;padding:0;box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#0d0d0d;color:#fff}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{width:100%;height:100%;overflow:hidden}
