:root{font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:#1d293a;background:#f5f7fa;font-synthesis:none;--blue:#2466ef;--line:#e6eaf0;--muted:#7c899d;--navy:#202c3e}
*{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;overscroll-behavior:none}body{margin:0}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;user-select:none;-webkit-user-select:none}button:disabled{cursor:not-allowed;opacity:.45}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #79a5ff;outline-offset:3px}button[hidden],[hidden]{display:none!important}a{color:inherit}.app-header{height:84px;padding:0 32px;padding-top:env(safe-area-inset-top);display:flex;align-items:center;border-bottom:1px solid var(--line);gap:28px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:17px;letter-spacing:.12em;font-weight:750}.brand small{display:block;font-size:8px;letter-spacing:.23em;color:var(--muted);margin-top:3px}.brand-mark{background:var(--blue);width:38px;height:38px;border-radius:12px;color:#fff;display:grid;place-content:center;font-size:36px;line-height:30px;font-weight:600;letter-spacing:-.1em;position:relative;padding-right:3px;padding-bottom:6px}.brand-mark span{position:absolute;font-size:18px;right:7px;top:-1px;color:#b4d4ff}.header-note{margin-left:auto;font-size:12px;color:#6b7c91;display:flex;align-items:center;gap:8px}.live-dot{width:6px;height:6px;background:#2bab82;border-radius:50%}.button{border:0;border-radius:9px;min-height:44px;padding:11px 15px;font-size:13px;font-weight:600;display:inline-flex;gap:8px;align-items:center;justify-content:center;transition:background .15s ease-out}.button.full{width:100%}.button.dark{background:var(--navy);color:white}.button.primary{background:var(--blue);color:white;min-height:48px}.button.secondary{background:#eef2f8;color:#526580}.button.quiet{background:transparent;color:#61728a;font-size:12px;padding-right:0}.button.stop{background:#fff0ed;color:#c24732;border:1px solid #f1d5cf}.workspace{height:calc(100dvh - 128px);min-height:640px;display:grid;grid-template-columns:354px minmax(0,1fr);padding:20px 24px 20px 32px;gap:26px}.sidebar{overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;padding-right:8px;scrollbar-width:thin}.sidebar-intro{padding:9px 0 22px}.eyebrow{font-size:9px;letter-spacing:.16em;color:#8492a7;font-weight:600;margin:0 0 12px}.sidebar-intro h1{font-size:28px;letter-spacing:-.05em;margin:0 0 9px;font-weight:650}.sidebar-intro h1 span{color:var(--blue);padding-left:3px}.sidebar-intro>p:last-child{font-size:12px;color:#8490a3;margin:0}.connection-card{padding:18px;border:1px solid var(--line);background:#fff;border-radius:13px;margin-bottom:24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}.section-heading h2{font-size:13px;margin:0;font-weight:650}.badge{background:#f2f4f7;color:#8d98a8;padding:4px 8px;border-radius:5px;font-size:10px;white-space:nowrap}.badge.ready{background:#e7f6ef;color:#23835c}.badge.busy{background:#ecf2ff;color:var(--blue)}.device-row{display:flex;align-items:center;gap:11px;margin:6px 0 17px}.device-icon{width:38px;height:38px;border-radius:10px;background:#f0f4fb;color:var(--blue);font-size:30px;display:grid;place-content:center;flex-shrink:0}.device-row strong{font-size:12px;display:block;overflow-wrap:anywhere}.device-row p{font-size:10px;color:#93a0b2;margin:5px 0 0}.connection-help{font-size:10px;color:#8c98aa;line-height:1.7;margin:11px 0 0}.target-section{margin-bottom:26px}.subtle{color:#8d9bb0;font-size:9px;letter-spacing:.1em}.segmented{display:flex;background:#e9edf3;padding:4px;border-radius:9px;margin-bottom:17px;gap:4px}.segmented button{flex:1;border:0;border-radius:6px;background:none;padding:9px 3px;font-size:12px;color:#8390a4}.segmented button.selected{background:#fff;color:#31537d;box-shadow:0 2px 4px #20365409}.coordinate-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.coordinate-grid label{font-size:10px;color:#7b899c;display:block;font-weight:600;letter-spacing:.02em}input{display:block;width:100%;min-width:0;margin-top:8px;border:1px solid #dce3ed;background:white;color:#2e4564;border-radius:8px;padding:10px;font-size:16px;line-height:1.3;font-variant-numeric:tabular-nums}#coordinate-form .button{margin-top:11px}.advanced-values{margin:17px 0}.field-hint{font-size:10px;color:#8a98ad;line-height:1.75;margin:10px 0 0}.route-info{display:flex;justify-content:space-between;font-size:11px;gap:12px;margin-top:12px;color:#62758f}.route-info b{font-weight:600}.text-button{background:transparent;border:0;padding:4px 0;color:#6f85a2;font-size:11px}.route-info .text-button{margin-left:10px}.favorites-section{padding-top:20px;border-top:1px solid var(--line)}.favorites-section .section-heading{margin-bottom:12px}.empty-text{font-size:11px;color:#9ca6b5;margin:0}.favorite{display:flex;align-items:center;gap:8px;border-bottom:1px solid #e9edf3;padding:6px 0}.favorite .favorite-link{border:0;background:none;text-align:left;flex:1;min-width:0;padding:5px 0;color:#526983;font-size:11px}.favorite-link small{display:block;color:#97a3b4;margin-top:4px;font-size:9px}.favorite .remove-favorite{border:0;background:none;color:#9aa7b9;font-size:20px;min-width:32px;min-height:32px}.sidebar-foot{display:flex;align-items:center;gap:6px;font-size:10px;color:#8b99aa;margin-top:auto;padding-top:26px;padding-bottom:4px}.status-dot{width:5px;height:5px;border-radius:50%;background:#afbac8}.status-dot.active{background:var(--blue)}.packet-count{margin-left:auto;font-size:9px}.packet-count b{font-weight:400;color:#71849d}.map-panel{position:relative;border-radius:16px;overflow:hidden;border:1px solid #dfe6ed;background:#e7eeed;min-height:440px}#map{height:100%;min-height:440px;background:#e8efed;z-index:0}.leaflet-container{font-family:inherit!important}.leaflet-tile-pane{filter:saturate(.65)}.leaflet-control-attribution{font-size:9px!important;background:#ffffffb8!important;padding:2px 7px!important}.leaflet-control-zoom{border:1px solid #dde4ec!important;border-radius:8px!important;overflow:hidden;box-shadow:0 3px 12px #34485d0c!important}.leaflet-control-zoom a{color:#62748c!important;border-color:#e8edf3!important}.leaflet-top.leaflet-right{top:90px;right:14px}.map-topline{position:absolute;left:24px;right:24px;top:24px;z-index:401;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;pointer-events:none}.map-topline>*{pointer-events:auto}.map-instruction{display:flex;gap:12px;align-items:center;background:#fffffff0;padding:13px 17px;border:1px solid #ffffffa8;box-shadow:0 6px 20px #3a4c6509;border-radius:10px}.crosshair{width:30px;height:30px;font-size:29px;color:var(--blue);display:grid;place-content:center}.map-instruction strong{display:block;font-size:12px;font-weight:600}.map-instruction span:not(.crosshair){display:block;font-size:10px;color:#8b9aab;margin-top:4px}.map-action{border:1px solid #e0e6ed;background:white;border-radius:10px;width:42px;height:42px;font-size:25px;color:#6d809a;box-shadow:0 4px 12px #34485d08}.map-bottomline{position:absolute;left:24px;bottom:30px;right:24px;display:flex;align-items:flex-end;justify-content:space-between;gap:15px;z-index:401;pointer-events:none}.coordinate-readout{background:#fffffff2;border:1px solid #fff;padding:17px 20px;border-radius:11px;box-shadow:0 4px 20px #34485d09}.coordinate-readout .eyebrow{display:block;font-size:8px;letter-spacing:.13em;margin-bottom:9px}.coordinate-readout strong{font-size:15px;font-weight:550;letter-spacing:.01em;font-variant-numeric:tabular-nums;display:block;color:#2f4765}.coordinate-readout>span:last-child{display:block;font-size:9px;color:#92a0b3;margin-top:9px}.map-tag{background:#ffffffbd;font-size:9px;letter-spacing:.12em;color:#8596aa;padding:7px 10px;border-radius:5px}.target-pin{background:none!important;border:0!important}.pin-core{width:20px;height:20px;background:var(--blue);border:4px solid #fff;border-radius:50%;box-shadow:0 0 0 8px #2466ef20,0 4px 12px #20498550}.route-pin{width:13px;height:13px;background:#fff;border:3px solid #2466ef;border-radius:50%;box-shadow:0 2px 5px #20498530}.map-fallback{position:absolute;inset:45% 15% auto;text-align:center;background:#fffffff0;border-radius:10px;padding:16px;font-size:12px;color:#71869f;z-index:400}.diagnostics-bar{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:24px;border-top:1px solid var(--line);font-size:10px;color:#8393a9}.diagnostics-bar>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.diagnostics-bar button{flex-shrink:0}dialog{border:1px solid var(--line);border-radius:18px;padding:26px;max-width:540px;width:calc(100% - 32px);color:var(--navy);box-shadow:0 20px 80px #1227452b;max-height:85dvh;overscroll-behavior:contain}dialog::backdrop{background:#152b495c;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.dialog-heading h2{font-size:19px;letter-spacing:-.02em;margin:0}.icon-button{border:0;background:#f1f4f8;color:#8191a6;width:34px;height:34px;border-radius:50%;font-size:24px}.help-steps{padding-left:22px;font-size:13px}.help-steps li{padding:0 0 10px 9px}.help-steps p,.notice p,.privacy-note{font-size:12px;line-height:1.9;color:#7e8da2;margin:7px 0}.notice{background:#f0f4fb;border-radius:10px;padding:16px;margin-top:12px}.notice b{font-size:12px;color:#436595}.privacy-note{margin:14px 0 0;font-size:10px}pre{max-height:45dvh;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:10px;line-height:1.7;color:#6c7f99;background:#f5f7fa;padding:14px;border-radius:8px}.toast{position:fixed;bottom:66px;left:50%;transform:translateX(-50%);max-width:min(500px,calc(100vw - 32px));padding:12px 18px;background:#25354bf0;color:#fff;font-size:12px;border-radius:9px;z-index:1500;box-shadow:0 4px 24px #12274520}
@media(hover:hover) and (pointer:fine){.button.primary:hover{background:#1959dc}.button.dark:hover{background:#33445c}.button.secondary:hover{background:#e3eaf6}.text-button:hover{color:var(--blue)}.favorite-link:hover{color:var(--blue)!important}}
@media(min-width:1500px){.workspace{grid-template-columns:380px minmax(0,1fr);gap:36px;padding-left:40px;padding-right:32px}.app-header,.diagnostics-bar{padding-left:40px;padding-right:40px}.sidebar-intro{padding-top:17px}}
@media(max-width:850px){.app-header{height:72px;padding-left:20px;padding-right:20px}.workspace{grid-template-columns:304px minmax(0,1fr);padding:16px;gap:16px;height:calc(100dvh - 116px)}.sidebar{padding-right:0}.sidebar-intro h1{font-size:25px}.header-note{font-size:10px}.map-topline{left:14px;right:14px;top:14px}.map-instruction{padding:10px;gap:6px}.map-instruction .crosshair{display:none}.map-bottomline{left:14px;right:14px}.coordinate-readout{padding:14px}.coordinate-readout strong{font-size:11px}.map-tag{display:none}.diagnostics-bar{padding:0 20px}}
@media(max-width:640px){.app-header{height:72px}.brand{font-size:15px}.brand-mark{width:34px;height:34px;font-size:32px}.header-note{display:none}.app-header>.button{margin-left:auto}.workspace{display:flex;flex-direction:column-reverse;height:auto;min-height:0;padding:14px 14px 0;gap:18px}.map-panel{min-height:340px;height:43svh;flex-shrink:0;border-radius:12px}#map{min-height:340px}.sidebar{overflow:visible;display:block;padding:0 6px 20px}.sidebar-intro{padding:3px 0 20px}.sidebar-intro .eyebrow{display:none}.sidebar-intro h1{font-size:24px}.sidebar-intro>p:last-child{font-size:11px}.map-topline{top:12px;left:12px;right:12px}.map-bottomline{left:12px;bottom:25px;right:12px}.coordinate-readout{padding:12px 14px}.coordinate-readout strong{font-size:13px}.coordinate-readout .eyebrow{margin-bottom:6px}.coordinate-readout>span:last-child{margin-top:6px}.connection-card{padding:17px;margin-bottom:24px}.device-row strong{font-size:13px}.device-row p,.connection-help{font-size:11px}.section-heading h2{font-size:14px}.target-section{margin-bottom:22px}.field-hint{font-size:11px}.sidebar-foot{padding-top:24px}.diagnostics-bar{position:sticky;bottom:0;background:#f5f7faf5;padding:8px 20px calc(8px + env(safe-area-inset-bottom));min-height:44px;height:auto;z-index:600;font-size:10px}.diagnostics-bar>span{white-space:normal;line-height:1.6}.diagnostics-bar .text-button{font-size:10px}.coordinate-grid label{font-size:11px}.button{font-size:13px;min-height:46px}.toast{bottom:calc(70px + env(safe-area-inset-bottom))}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}