:root,[data-theme=dark]{--ch-bg: #0b0e14;--ch-surface: rgba(18, 23, 33, .82);--ch-text: #e6edf3;--ch-muted: #8b98a9;--ch-accent: #38e0a6;--ch-accent-2: #ffb020;--ch-basemap: dark;--ch-sig-hot: #ff453a;--ch-sig-warm: #ff9f0a;--ch-sig-mid: #ffd60a;--ch-sig-cool: #40c8ff;--ch-sig-cold: #5e7bff;--ch-sig-none: #5b6675;--ch-bar-track: #1b2230;--ch-border: rgba(255,255,255,.08)}[data-theme=light]{--ch-bg: #f4f1ea;--ch-surface: rgba(255, 252, 245, .86);--ch-text: #1b2430;--ch-muted: #5a6675;--ch-accent: #0e9f7e;--ch-accent-2: #b4530a;--ch-basemap: light;--ch-sig-hot: #d11f1f;--ch-sig-warm: #e07000;--ch-sig-mid: #c79100;--ch-sig-cool: #1577c0;--ch-sig-cold: #3a44b8;--ch-sig-none: #9aa3ad;--ch-bar-track: #d8d2c4;--ch-border: rgba(0,0,0,.1)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--ch-bg);color:var(--ch-text);font-family:system-ui,sans-serif}#map{position:fixed;top:0;right:0;bottom:0;left:0}#topbar{position:fixed;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--ch-surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:13px;z-index:500}#target-chip{font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:12px;color:var(--ch-text);display:inline-flex;gap:6px;align-items:center}#target-chip.active{color:var(--ch-accent-2)}#status-dots{display:inline-flex;gap:7px;align-items:center}#status-dots i{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--ch-sig-none)}#status-dots i.on{background:var(--ch-accent)}.dot-label{font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:10px;color:var(--ch-muted);letter-spacing:.08em;margin-right:4px}#hud{position:fixed;left:0;right:0;bottom:0;padding:14px 16px env(safe-area-inset-bottom,18px);background:var(--ch-surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:8px;z-index:500}#hud-readout-row{display:flex;align-items:baseline;gap:12px}#hud-rssi{font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:38px;font-weight:700;color:var(--ch-accent);font-variant-numeric:tabular-nums;line-height:1}#hud-rssi .unit{font-size:14px;color:var(--ch-muted);font-weight:500}#hud-snr{font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:15px;color:var(--ch-muted);font-variant-numeric:tabular-nums}#hud-since{margin-left:auto;font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:15px;color:var(--ch-muted);font-variant-numeric:tabular-nums}#hud-bar{position:relative;height:9px;border-radius:5px;overflow:visible}#hud-bar-fill{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:5px;background:linear-gradient(90deg,var(--ch-sig-cold),var(--ch-sig-cool),var(--ch-sig-mid),var(--ch-sig-warm),var(--ch-sig-hot))}#hud-bar-marker{position:absolute;top:-3px;width:3px;height:15px;border-radius:2px;background:var(--ch-text);box-shadow:0 0 0 2px var(--ch-surface);left:10%;transform:translate(-50%);transition:left .4s ease}#hud-bar-labels{display:flex;justify-content:space-between;font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace;font-size:9px;letter-spacing:.1em;color:var(--ch-muted);text-transform:uppercase;margin-top:-2px}#hud-btn-row{display:flex;gap:8px;margin-top:4px}#connect-btn{flex:1;border:none;border-radius:11px;padding:11px;background:var(--ch-accent);color:var(--ch-bg);font-weight:650;font-size:14px;font-family:system-ui,sans-serif;cursor:pointer}#discover-btn{flex:0 0 auto;border:1px solid var(--ch-accent-2);border-radius:11px;padding:11px 18px;background:transparent;color:var(--ch-accent-2);font-weight:600;font-size:14px;font-family:system-ui,sans-serif;cursor:pointer}#discover-btn:disabled{border-color:var(--ch-muted);color:var(--ch-muted);cursor:not-allowed;opacity:.45}#layer-toggle,#filter-btn,#settings-btn,#recenter-btn{position:fixed;right:14px;width:46px;height:46px;border-radius:50%;border:none;background:var(--ch-surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--ch-text);font-size:20px;z-index:500;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px #0000004d}#layer-toggle{bottom:192px}#filter-btn{bottom:246px}#settings-btn{bottom:300px}#recenter-btn{bottom:354px}#layer-toggle svg,#filter-btn svg,#recenter-btn svg{pointer-events:none}#filter-btn.active{color:var(--ch-accent)}#filter-btn.active:after{content:"";position:absolute;top:7px;right:7px;width:11px;height:11px;border-radius:50%;background:var(--ch-accent);border:2px solid var(--ch-surface)}.fs-row{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:14px;color:var(--ch-text)}.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.sheet-head h2{margin:0}.sheet-close{border:none;background:transparent;color:var(--ch-muted);cursor:pointer;padding:4px;display:flex;align-items:center}.sheet-close:hover{color:var(--ch-text)}.fs-type-row{display:flex;align-items:center;gap:8px;margin-top:8px}.fs-type-label{font-size:14px;color:var(--ch-muted);white-space:nowrap}.fs-type-chips{display:flex;flex-wrap:wrap;gap:6px}.fs-chip{padding:4px 10px;border-radius:999px;border:1px solid var(--ch-muted);background:transparent;color:var(--ch-text);font-size:13px;cursor:pointer}.fs-chip.active{background:var(--ch-accent);border-color:var(--ch-accent);color:var(--ch-bg)}#filter-sheet,#settings-sheet{position:fixed;left:0;right:0;bottom:0;max-height:70%;overflow:auto;padding:16px;background:var(--ch-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top-left-radius:16px;border-top-right-radius:16px;z-index:600}[hidden]{display:none!important}.ss-conn-section{margin-top:12px}.ss-conn-status{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:8px 0 10px;font-size:13px}.ss-conn-status dt{color:var(--ch-muted)}.ss-conn-status dd{margin:0;color:var(--ch-text);font-family:ui-monospace,SF Mono,SFMono-Regular,Cascadia Mono,Menlo,Consolas,monospace}.ss-disconnect{border:1px solid var(--ch-accent-2);border-radius:11px;padding:9px 18px;background:transparent;color:var(--ch-accent-2);font-weight:600;font-size:14px;font-family:system-ui,sans-serif;cursor:pointer}.ss-disconnect:disabled{border-color:var(--ch-muted);color:var(--ch-muted);cursor:not-allowed;opacity:.45}.ss-manfix-section{margin-top:16px}.ss-manfix-inputs{display:flex;gap:12px;margin-top:8px}.ss-manfix-label{display:flex;flex-direction:column;font-size:13px;color:var(--ch-muted);gap:4px}.ss-manfix-label input{width:110px;padding:4px 8px;border-radius:6px;border:1px solid var(--ch-muted);background:transparent;color:var(--ch-text);font-size:14px}.ss-manfix-actions{display:flex;gap:8px;margin-top:8px}.ss-manfix-status{font-size:13px;color:var(--ch-muted);margin:6px 0 0}.ss-manfix-status.ss-manfix-active{color:var(--ch-accent-2)}.ss-manfix-error{font-size:13px;color:var(--ch-accent-2);margin-top:4px}.ss-version{font-size:12px;color:var(--ch-muted);text-align:center;margin:12px 0 0}#feed-panel{position:fixed;left:0;right:0;bottom:var(--ch-hud-h, 96px);z-index:5;background:var(--ch-surface);color:var(--ch-text);border-top:1px solid var(--ch-border);display:flex;flex-direction:column;max-height:45vh}#feed-handle{background:transparent;color:var(--ch-text);border:0;text-align:left;padding:8px 12px;font:inherit;cursor:pointer}#feed-count{color:var(--ch-muted)}#feed-list{list-style:none;margin:0;padding:0;overflow-y:auto}#feed-panel.collapsed #feed-list{display:none}.feed-item{display:flex;align-items:center;border-top:1px solid var(--ch-border)}.feed-row{flex:1;display:grid;grid-template-columns:3.5em 1fr auto;gap:8px;align-items:baseline;background:transparent;color:var(--ch-text);border:0;text-align:left;padding:8px 10px;font:inherit;cursor:pointer}.feed-rssi{color:var(--ch-accent);font-variant-numeric:tabular-nums}.feed-label{font-weight:600}.feed-mid{color:var(--ch-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.feed-time{color:var(--ch-muted);font-variant-numeric:tabular-nums}.feed-iso,.feed-ign{background:transparent;color:var(--ch-text);border:0;padding:0 10px;font-size:1.1em;cursor:pointer}