:root{--bg-primary:#0b0f19;--bg-secondary:#161c2d;--bg-card:#161c2db8;--bg-card-hover:#1e293bd9;--border-color:#ffffff1a;--border-color-focus:#3b82f680;--text-primary:#f8fafc;--text-muted:#94a3b8;--text-dark:#0f172a;--accent-blue:#3b82f6;--accent-blue-glow:#3b82f659;--sig-excellent:#10b981;--sig-excellent-glow:#10b98166;--sig-good:#34d399;--sig-fair:#fbbf24;--sig-poor:#f97316;--sig-none:#ef4444;--sig-none-glow:#ef444473;--top-bar-height:60px;--bottom-nav-height:72px;--ad-banner-height:0px;--bottom-stack-height:calc(var(--bottom-nav-height) + var(--ad-banner-height));--transition-speed:.25s;--panel-transition:.38s cubic-bezier(.34, 1.1, .64, 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h3{color:var(--text-muted);letter-spacing:.04em;font-size:11px;font-weight:800}.transmitter-card{border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-speed) cubic-bezier(.4, 0, .2, 1);background:#0f172a80;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex;position:relative;overflow:hidden}.transmitter-card:before{content:"";width:3px;height:100%;transition:background-color var(--transition-speed);background-color:#0000;position:absolute;top:0;left:0}.transmitter-card:hover{background:var(--bg-card-hover);border-color:#ffffff29;transform:translate(2px)}.transmitter-card .tx-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.tx-main-info{flex:1;justify-content:space-between;align-items:center;gap:10px;min-width:0;display:flex}.tx-left,.tx-right{align-items:center;gap:8px;min-width:0;display:flex}.tx-left{flex:1;justify-content:flex-start}.tx-right{flex-shrink:0;justify-content:flex-end}.transmitter-card .tx-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:13px;font-weight:600;line-height:1.3;overflow:hidden}.transmitter-card .tx-distance,.transmitter-card .tx-power,.transmitter-card .tx-polarization,.transmitter-card .tx-summary{white-space:nowrap;text-overflow:ellipsis;flex-shrink:0;font-size:11px;font-weight:700;overflow:hidden}.transmitter-card .tx-power,.transmitter-card .tx-polarization{color:var(--text-muted)}.transmitter-card .tx-distance{color:var(--accent-blue)}.line-toggle{cursor:pointer;width:32px;height:18px;transition:background var(--transition-speed), border-color var(--transition-speed);background:#0f172ae6;border:1px solid #94a3b880;border-radius:999px;flex-shrink:0;padding:2px}.line-toggle span{background:var(--text-muted);width:12px;height:12px;transition:transform var(--transition-speed), background var(--transition-speed);border-radius:50%;display:block}.line-toggle.active{background:#3b82f64d;border-color:#3b82f6cc}.line-toggle.active span{background:#fff;transform:translate(14px)}.transmitter-card .tx-desc{color:var(--text-muted);font-size:11px;line-height:1.4;display:none}.transmitter-card .tx-meta{display:none}.transmitter-detail{flex-direction:column;gap:12px;display:flex}.detail-summary{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#0f172a80;justify-content:space-between;align-items:center;gap:12px;padding:14px;display:flex}.detail-summary-main{min-width:0}.detail-prefecture{color:var(--accent-blue);margin-bottom:4px;font-size:11px;font-weight:700;display:block}.detail-summary 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div,.detail-coordinates div{border-radius:var(--radius-sm);background:#0f172a6b;border:1px solid #ffffff12;min-width:0;padding:10px 12px}.detail-grid span,.detail-coordinates span{color:var(--text-muted);margin-bottom:4px;font-size:10px;font-weight:700;display:block}.detail-grid strong,.detail-coordinates strong{color:var(--text-primary);word-break:break-word;font-size:13px;line-height:1.35;display:block}.channel-section{flex-direction:column;gap:8px;display:flex}.channel-section h3{color:var(--text-primary);font-size:13px}.channel-list{flex-direction:column;gap:6px;display:flex}.channel-row{border-radius:var(--radius-sm);background:#0f172a80;border:1px solid #ffffff12;grid-template-columns:54px minmax(0,1fr) 58px 74px;align-items:center;gap:8px;padding:10px 12px;display:grid}.channel-number{color:var(--accent-blue);font-size:13px;font-weight:800}.channel-station{min-width:0;color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.channel-remote{color:var(--text-muted);text-align:right;font-size:10px;font-weight:700}.channel-frequency{color:var(--text-muted);text-align:right;white-space:nowrap;font-size:10px;font-weight:700}.detail-loading{color:var(--text-muted);border-radius:var(--radius-sm);background:#0f172a6b;border:1px solid #ffffff12;padding:14px;font-size:12px}.skeleton-card{border-radius:var(--radius-md);border:1px solid var(--border-color);background:linear-gradient(90deg,#ffffff08 25%,#ffffff12 50%,#ffffff08 75%) 0 0/200% 100%;height:80px;animation:1.5s infinite skeleton-shimmer}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.telemetry-section{transition:opacity var(--transition-speed) ease;border-top:1px solid var(--border-color);padding-top:16px}.telemetry-section.inactive{opacity:.55;pointer-events:none}.no-transmitter-selected{text-align:center;color:var(--text-muted);border:1px dashed var(--border-color);border-radius:var(--radius-md);padding:14px;font-size:12px}.signal-gauge-area{border-radius:var(--radius-md);background:#00000040;border:1px solid #ffffff0a;padding:14px}.signal-gauge-header{justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;display:flex}.signal-gauge-header .value{color:var(--text-dark);border-radius:12px;padding:2px 8px;font-size:13px;font-weight:700}.bg-excellent{background-color:var(--sig-excellent);color:#000!important}.bg-good{background-color:var(--sig-good);color:#000!important}.bg-fair{background-color:var(--sig-fair);color:#000!important}.bg-poor{background-color:var(--sig-poor);color:#000!important}.bg-none{background-color:var(--sig-none);color:#fff!important}.signal-progress-track{background:#ffffff14;border-radius:4px;width:100%;height:7px;margin-bottom:8px;overflow:hidden}.signal-progress-bar{border-radius:4px;width:0%;height:100%;transition:width .4s cubic-bezier(.1,.8,.2,1),background-color .4s}.signal-dbm{text-align:right;letter-spacing:-.01em;font-size:16px;font-weight:700}.text-excellent{color:var(--sig-excellent)}.text-good{color:var(--sig-good)}.text-fair{color:var(--sig-fair)}.text-poor{color:var(--sig-poor)}.text-none{color:var(--sig-none)}.telemetry-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px;display:grid}.metric-box{border:1px solid var(--border-color);border-radius:var(--radius-md);background:#ffffff08;padding:10px 12px}.metric-label{color:var(--text-muted);margin-bottom:4px;font-size:10px}.metric-value{font-size:13px;font-weight:600}.los-text-los{color:var(--sig-excellent);font-weight:700}.los-text-blocked{color:var(--sig-none);font-weight:700}.compass-section-inline{border-top:1px solid var(--border-color);padding-top:14px}.section-sub-title{margin-bottom:6px;font-size:14px;font-weight:600}.section-desc{color:var(--text-muted);margin-bottom:12px;font-size:11px;line-height:1.4}.compass-container-outer{justify-content:center;width:100%;margin:4px 0 8px;display:flex}.compass-widget-container{border:2px solid var(--border-color);width:160px;height:160px;transition:all var(--transition-speed) ease;-webkit-user-select:none;user-select:none;background:radial-gradient(circle,#0f172acc 0%,#0b0f19f2 100%);border-radius:50%;padding:6px;position:relative;box-shadow:inset 0 4px 12px #000c,0 4px 10px #0000004d}.compass-widget-container.aligned-close{border-color:var(--sig-fair);box-shadow:inset 0 2px 8px #000c,0 0 15px #fbbf2466}.compass-widget-container.aligned-perfect{border-color:var(--sig-excellent);box-shadow:inset 0 2px 8px #000c, 0 0 25px var(--sig-excellent-glow);animation:1.5s infinite alternate perfect-glow-pulse}.compass-widget-container.dragging{cursor:grabbing}.compass-svg{cursor:grab}.compass-widget-container.dragging .compass-svg{cursor:grabbing}.compass-outer-circle{fill:none;stroke:#ffffff1a;stroke-width:1px}.compass-inner-circle{fill:none;stroke:#ffffff0a;stroke-width:1px;stroke-dasharray:2 4}.compass-text{fill:var(--text-muted);font-family:Montserrat,sans-serif;font-size:14px;font-weight:700}.label-n{fill:#ef4444}.compass-tick-line{stroke:#ffffff40;stroke-width:1px}.compass-target-line{stroke:#f87171;stroke-width:2px;stroke-dasharray:4 3}.compass-target-arrow{fill:#ef4444;filter:drop-shadow(0 0 4px #ef444480)}.compass-pointer-group{transition:transform 50ms ease-out}.antenna-boom{stroke:var(--accent-blue);stroke-width:3px;stroke-linecap:round}.antenna-element{stroke:#ffffffd9;stroke-width:2.5px;stroke-linecap:round}.reflector{stroke-width:3.5px}.driver{stroke:#60a5fa}.antenna-handle{fill:var(--accent-blue);stroke:#fff;stroke-width:1.5px;cursor:pointer;filter:drop-shadow(0 2px 4px #00000080)}.compass-center-mask{fill:var(--bg-primary);stroke:#ffffff1a;stroke-width:1px}.compass-angle-value{fill:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:15px;font-weight:700}.aligned-perfect .antenna-boom{stroke:var(--sig-excellent)}.aligned-perfect .antenna-handle{fill:var(--sig-excellent);stroke:#fff}.aligned-perfect .compass-angle-value{fill:#34d399}@keyframes perfect-glow-pulse{0%{box-shadow:inset 0 2px 8px #000c,0 0 15px #10b98166}to{box-shadow:inset 0 2px 8px #000c,0 0 28px #10b981b3}}.angle-control{margin-top:4px}.angle-labels{justify-content:space-between;align-items:center;margin-bottom:6px;font-size:12px;display:flex}.angle-labels .value{color:var(--accent-blue);font-size:14px;font-weight:700}.custom-slider{appearance:none;background:#ffffff1f;border-radius:3px;outline:none;width:100%;height:5px;margin:8px 0}.custom-slider::-webkit-slider-thumb{appearance:none;background:var(--accent-blue);cursor:pointer;width:18px;height:18px;transition:transform .1s ease, background-color var(--transition-speed);border:2px solid #fff;border-radius:50%;box-shadow:0 2px 6px #0006}.custom-slider::-webkit-slider-thumb:hover{background:#60a5fa;transform:scale(1.15)}.custom-slider::-webkit-slider-thumb:active{transform:scale(.95)}.technical-details{border-top:1px solid var(--border-color);padding-top:12px}.technical-details summary{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;outline:none;font-size:11px;font-weight:600}.technical-details summary:hover{color:var(--text-primary)}.tech-grid{border-radius:var(--radius-sm);background:#00000040;grid-template-columns:1fr;gap:5px;margin-top:8px;padding:10px;font-size:11px;display:grid}.tech-grid div{border-bottom:1px solid #ffffff05;justify-content:space-between;padding-bottom:4px;display:flex}.tech-grid div:last-child{border-bottom:none;padding-bottom:0}.tech-grid span:first-child{color:var(--text-muted)}.channels-area{border-top:1px solid var(--border-color);padding-top:12px}.channels-title{color:var(--text-primary);margin-bottom:8px;font-size:12px;font-weight:600}.channels-list{flex-direction:column;gap:5px;max-height:140px;padding-right:2px;list-style:none;display:flex;overflow-y:auto}.channel-item{border-radius:var(--radius-sm);background:#ffffff05;border:1px solid #ffffff0a;justify-content:space-between;align-items:center;padding:6px 10px;font-size:11px;display:flex}.channel-name{font-weight:500}.channel-info{color:var(--text-muted);font-size:10px}.settings-group{flex-direction:column;gap:6px;display:flex}.setting-label{color:var(--text-muted);font-size:12px;font-weight:600}.setting-header{justify-content:space-between;align-items:center;display:flex}.setting-header .value{color:var(--accent-blue);font-size:12px;font-weight:700}.custom-select{border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;transition:border-color var(--transition-speed);background-color:#0f172acc;outline:none;width:100%;padding:10px;font-size:12px}.custom-select:focus{border-color:var(--accent-blue)}.slider-helper{color:var(--text-muted);font-size:10px;line-height:1.3;display:block}.gm-style .gm-style-iw-c{background-color:var(--bg-primary)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius-md)!important;padding:12px 14px!important;box-shadow:0 10px 25px #0009!important}.gm-style .gm-style-iw-t:after{background:var(--bg-primary)!important;border-bottom:1px solid var(--border-color)!important;border-right:1px solid var(--border-color)!important;box-shadow:none!important}.gm-style .gm-style-iw-d{color:var(--text-primary)!important;overflow:hidden!important}.gm-style .gm-style-iw-d h4{color:#fff;border-bottom:1px solid var(--border-color);margin-bottom:6px;padding-bottom:4px;font-family:Montserrat,sans-serif;font-size:13px;font-weight:700}.gm-style .gm-style-iw-d p{color:var(--text-muted);font-size:11px;line-height:1.4}.gm-style-iw-btn{filter:invert()}.loading-overlay{background-color:var(--bg-primary);z-index:10000;justify-content:center;align-items:center;transition:opacity .5s,visibility .5s;display:flex;position:fixed;inset:0}.loading-overlay.fade-out{opacity:0;visibility:hidden;pointer-events:none}.loading-content{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}.spinner{border:4px solid #ffffff0d;border-top:4px solid var(--accent-blue);width:50px;height:50px;box-shadow:0 0 15px var(--accent-blue-glow);border-radius:50%;animation:1s linear infinite spin}.loading-content p{letter-spacing:.05em;background:linear-gradient(135deg, #fff 40%, var(--accent-blue) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-family:Montserrat,sans-serif;font-size:20px;font-weight:700}.loading-detail{color:var(--text-muted);font-size:12px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width>=640px){.slide-panel{max-width:480px;left:50%;transform:translate(-50%)translateY(100%)}.slide-panel.open{transform:translate(-50%)translateY(0)}}@media (width<=380px){.logo-text p{display:none}.nav-btn-label{font-size:9px}}