:root{--bg-color: #0a0e17;--panel-bg: rgba(14, 18, 28, .85);--panel-border: rgba(255, 255, 255, .06);--glass-bg: rgba(20, 26, 40, .7);--glass-border: rgba(255, 255, 255, .08);--text-main: rgba(255, 255, 255, .92);--text-sub: rgba(255, 255, 255, .45);--text-label: rgba(255, 255, 255, .35);--accent-blue: #4f7cff;--accent-blue-hover: #6b93ff;--accent-blue-glow: rgba(79, 124, 255, .25);--brand-color: #3b82f6;--brand-hover: #60a5fa;--danger-color: #ef4444;--sidebar-width: 280px;--topbar-height: 56px}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-main);overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{display:flex;height:100vh;height:100dvh;width:100vw;position:relative;overflow:hidden}.canvas-area{flex:1;position:relative;background:#000}.cesium-widget canvas{width:100%;height:100%;position:absolute;top:0;left:0}.cesium-viewer-bottom{display:none!important}.top-bar{position:absolute;top:0;right:0;left:0;height:var(--topbar-height);display:flex;align-items:center;justify-content:flex-end;padding:0 16px;z-index:20;gap:8px;pointer-events:none}.top-bar>*{pointer-events:auto}.menu-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;color:var(--text-main);cursor:pointer;margin-right:auto;transition:background .2s}.menu-toggle:hover{background:#ffffff1a}.search-box{display:flex;align-items:center;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;padding:0 14px;height:40px;gap:8px;min-width:0;flex:0 1 240px}.search-box input{background:none;border:none;outline:none;color:var(--text-main);font-size:13px;font-family:inherit;width:100%;min-width:0}.search-box input::placeholder{color:var(--text-sub)}.search-box .search-icon{color:var(--text-sub);flex-shrink:0}.top-bar-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:10px;color:var(--text-sub);cursor:pointer;transition:color .2s,background .2s;flex-shrink:0}.top-bar-btn:hover{color:var(--text-main);background:#ffffff1a}@media (min-width: 1024px){.menu-toggle{display:none}}.left-panel{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);background:var(--panel-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--panel-border);display:flex;flex-direction:column;padding:28px 20px;z-index:100;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;overflow-x:hidden}.left-panel.open{transform:translate(0)}.left-panel.hidden{transform:translate(-100%)!important}@media (min-width: 1024px){.left-panel{position:relative;transform:translate(0);flex-shrink:0}}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:99;animation:fadeIn .2s ease}.sidebar-overlay.visible{display:block}@media (min-width: 1024px){.sidebar-overlay{display:none!important}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.brand{margin-bottom:28px}.brand h1{font-size:20px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:6px}.brand p{font-size:12px;color:var(--accent-blue);line-height:1.5;letter-spacing:.3px}.upload-btn-wrap{margin-bottom:24px}.btn-primary{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:13px 16px;background:var(--text-main);color:#0a0e17;font-size:13px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;border-radius:8px;cursor:pointer;transition:all .2s ease;border:none;font-family:inherit}.btn-primary:hover{background:#fff;transform:translateY(-1px);box-shadow:0 4px 16px #ffffff1f}.btn-primary.disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.btn-primary .btn-icon{display:flex;align-items:center}.upload-hint{margin-top:8px;font-size:11px;color:var(--accent-blue);text-align:center;font-style:italic;letter-spacing:.2px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}.stat-box{background:#ffffff05;border:1px solid var(--panel-border);border-radius:8px;padding:14px 12px;text-align:center}.stat-box .num{font-size:28px;font-weight:700;margin-bottom:4px;line-height:1}.stat-box .label{font-size:10px;color:var(--text-label);text-transform:uppercase;letter-spacing:1px;font-weight:500}.no-gps-section{flex:1;overflow-y:auto;margin-bottom:16px}.section-title{font-size:11px;color:var(--text-label);text-transform:uppercase;letter-spacing:1px;font-weight:500;margin-bottom:10px;display:flex;align-items:center;gap:6px}.section-title .title-icon{color:var(--text-sub)}.no-gps-item{display:flex;align-items:center;padding:10px;background:#ffffff05;border:1px solid var(--panel-border);border-radius:8px;margin-bottom:6px;cursor:pointer;transition:border-color .2s,background .2s}.no-gps-item:hover{border-color:#ffffff26;background:#ffffff0a}.no-gps-item img{width:36px;height:36px;object-fit:cover;border-radius:4px;margin-right:10px}.no-gps-item .info{flex:1;overflow:hidden}.no-gps-item .name{font-size:12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin-bottom:2px}.no-gps-item .action{font-size:10px;color:var(--accent-blue);text-transform:uppercase;letter-spacing:.5px}.export-section{border-top:1px solid var(--panel-border);padding-top:16px}.btn-secondary{width:100%;padding:11px 12px;background:transparent;color:var(--text-main);border:1px solid var(--panel-border);border-radius:8px;font-size:12px;font-weight:500;letter-spacing:.8px;text-transform:uppercase;cursor:pointer;transition:all .2s;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:6px}.btn-secondary:hover{background:#ffffff0d;border-color:#ffffff26}.btn-secondary:disabled{opacity:.3;cursor:not-allowed}.panel-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--panel-border);display:flex;justify-content:space-between;align-items:center}.panel-footer-link{display:flex;align-items:center;gap:6px;background:none;border:none;color:var(--text-sub);font-size:11px;font-weight:500;letter-spacing:1px;text-transform:uppercase;cursor:pointer;padding:6px 4px;font-family:inherit;transition:color .2s}.panel-footer-link:hover{color:var(--text-main)}.drone-panel{margin-top:12px;background:#00000040;border:1px solid rgba(255,255,255,.04);border-radius:8px;padding:14px;display:flex;flex-direction:column;gap:14px}.drone-panel.unavailable{opacity:.4;pointer-events:none}.drone-panel .section-title{margin-bottom:0}.drone-panel .warning{color:var(--danger-color);font-size:10px;letter-spacing:0;text-transform:none}.drone-panel .settings-group{display:flex;flex-direction:column;gap:12px}.drone-panel label{display:flex;flex-direction:column;gap:5px}.drone-panel .label-text{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.8px;text-transform:uppercase;font-weight:500}.drone-panel .label-text span:first-child{color:var(--text-label)}.drone-panel .label-text span:last-child{color:var(--accent-blue);font-family:SF Mono,Cascadia Code,Consolas,monospace;font-weight:600;font-size:12px}.drone-panel input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:#ffffff14;border-radius:2px;outline:none;cursor:pointer}.drone-panel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;background:var(--accent-blue);border-radius:50%;cursor:pointer;box-shadow:0 0 6px var(--accent-blue-glow);transition:transform .15s}.drone-panel input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.drone-panel input[type=range]::-moz-range-thumb{width:14px;height:14px;background:var(--accent-blue);border-radius:50%;border:none;cursor:pointer;box-shadow:0 0 6px var(--accent-blue-glow)}.drone-panel input[type=range]:disabled{opacity:.3;cursor:not-allowed}.actions-group{display:flex;flex-direction:column;gap:6px}.export-split{display:grid;grid-template-columns:1fr 1fr;gap:6px}.btn-danger{width:100%;padding:11px;background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.25);border-radius:8px;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;cursor:pointer;transition:all .2s;animation:pulse-danger 2s infinite;font-family:inherit}.btn-danger:hover{background:#ef444433}@keyframes pulse-danger{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 6px #ef444400}to{box-shadow:0 0 #ef444400}}.flight-active-panel{display:flex;flex-direction:column;gap:10px}.progress-bar{height:4px;background:#ffffff0f;border-radius:2px;overflow:hidden}.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--accent-blue),var(--accent-blue-hover));transition:width .1s linear;border-radius:2px}.zoom-controls{position:absolute;right:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:2px;z-index:15}.zoom-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);color:var(--text-sub);cursor:pointer;font-size:18px;font-weight:300;transition:color .2s,background .2s;font-family:inherit}.zoom-btn:first-child{border-radius:8px 8px 0 0}.zoom-btn:last-child{border-radius:0 0 8px 8px}.zoom-btn:hover{color:var(--text-main);background:#ffffff1a}.bottom-info{position:absolute;bottom:12px;right:16px;display:flex;align-items:flex-end;gap:16px;z-index:15;pointer-events:none}.coords-box{display:flex;gap:20px;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:6px;padding:8px 14px}.coord-item .coord-label{font-size:9px;color:var(--text-label);text-transform:uppercase;letter-spacing:1px;font-weight:500;margin-bottom:2px}.coord-item .coord-value{font-size:13px;font-family:SF Mono,Cascadia Code,Consolas,monospace;color:var(--text-main);font-weight:500}.engine-badge{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:6px;padding:6px 12px;display:flex;align-items:center;gap:6px}.engine-badge span{font-size:10px;color:var(--text-sub);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.engine-badge .status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 6px #22c55e80}@media (max-width: 480px){.bottom-info{bottom:110px;right:8px;left:8px;flex-direction:column;align-items:flex-end;gap:6px}.coords-box{gap:12px;padding:6px 10px}.coord-item .coord-value{font-size:11px}}.empty-state-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;text-align:center;pointer-events:auto;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:16px;padding:48px 40px 40px;min-width:280px;max-width:380px;width:90%;animation:cardFadeIn .6s ease}@keyframes cardFadeIn{0%{opacity:0;transform:translate(-50%,-46%)}to{opacity:1;transform:translate(-50%,-50%)}}.empty-state-icon{width:56px;height:56px;margin:0 auto 20px;color:var(--accent-blue);opacity:.7}.empty-state-card h2{font-size:18px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;color:var(--text-main)}.empty-state-card p{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:24px;max-width:280px;margin-left:auto;margin-right:auto}.btn-begin-import{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;background:transparent;color:var(--accent-blue);border:1px solid var(--accent-blue);border-radius:6px;font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;cursor:pointer;transition:all .25s;font-family:inherit}.btn-begin-import:hover{background:var(--accent-blue);color:#fff;box-shadow:0 0 20px var(--accent-blue-glow)}.timeline{position:absolute;bottom:0;left:0;right:0;height:90px;background:linear-gradient(to top,#000000d9,#0000);display:flex;align-items:center;padding:0 16px;gap:10px;overflow-x:auto;z-index:10;transition:transform .3s ease}.timeline.hidden{transform:translateY(100%)}.timeline::-webkit-scrollbar{height:3px}.timeline::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}@media (min-width: 1024px){.timeline{left:var(--sidebar-width);padding:0 32px}}.thumb-item{position:relative;width:52px;height:52px;flex-shrink:0;border-radius:6px;overflow:hidden;cursor:pointer;transition:all .2s;border:2px solid transparent;opacity:.55}.thumb-item:hover{opacity:.85;transform:translateY(-2px)}.thumb-item.active{opacity:1;border-color:#fff;transform:scale(1.12);z-index:2;box-shadow:0 4px 14px #0009}.thumb-item img{width:100%;height:100%;object-fit:cover;-webkit-user-drag:none}.delete-btn{position:absolute;top:2px;right:2px;width:16px;height:16px;background:#0009;color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity .2s,background .2s;z-index:5;padding:0}.thumb-item:hover .delete-btn{opacity:1}.delete-btn:hover{background:var(--danger-color)}.pin-drop-overlay{position:absolute;top:70px;left:50%;transform:translate(-50%);background:#000000b3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:10px 20px;border-radius:24px;border:1px solid var(--glass-border);color:#fff;font-size:13px;display:flex;align-items:center;gap:12px;z-index:20;pointer-events:none;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translate(-50%,-16px);opacity:0}to{transform:translate(-50%);opacity:1}}.pin-drop-overlay .cancel{pointer-events:auto;color:var(--text-sub);background:none;border:none;cursor:pointer;font-size:11px;padding:4px 8px;font-family:inherit;text-transform:uppercase;letter-spacing:.5px}.pin-drop-overlay .cancel:hover{color:#fff}.processing-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:15;text-align:center;pointer-events:none}.processing-overlay .spinner{width:32px;height:32px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.processing-overlay span{font-size:12px;color:var(--text-sub);text-transform:uppercase;letter-spacing:1px}@media (max-width: 767px){.search-box{flex:0 1 160px}.thumb-item{width:46px;height:46px}.timeline{height:78px;padding:0 12px;gap:8px}}@media (min-width: 768px) and (max-width: 1023px){.search-box{flex:0 1 200px}}