:root{--bg-dark:#030712;--bg-card:#0f172abf;--bg-card-hover:#1e293bd9;--border-glass:#00f0ff33;--border-glass-subtle:#ffffff14;--color-cyan:#00f0ff;--color-cyan-glow:#00f0ff66;--color-safe:#10b981;--color-safe-glow:#10b98166;--color-caution:#f59e0b;--color-caution-glow:#f59e0b66;--color-danger:#ef4444;--color-danger-glow:#ef444499;--font-hud:"Orbitron", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--vh:100vh}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-dark);color:#f8fafc;font-family:var(--font-body);-webkit-user-select:none;user-select:none;width:100vw;height:100dvh;overflow:hidden}.hud-container{background:radial-gradient(circle,#0b1329 0%,#030712 100%);flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.hazard-vignette{pointer-events:none;z-index:99;transition:box-shadow .15s ease-out;position:absolute;inset:0;box-shadow:inset 0 0 #ef444400}.hazard-vignette.active{animation:.4s infinite alternate hazardPulse}@keyframes hazardPulse{0%{background-color:#ef44440d;box-shadow:inset 0 0 40px #ef44444d,inset 0 0 80px #ef444433}to{background-color:#ef444426;box-shadow:inset 0 0 80px #ef4444cc,inset 0 0 150px #ef444480}}.hud-header{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass);z-index:20;background:#030712d9;flex-shrink:0;justify-content:space-between;align-items:center;height:52px;padding:0 16px;display:flex}.brand-zone{align-items:center;gap:10px;display:flex}.radar-pulse-dot{background-color:var(--color-cyan);width:10px;height:10px;box-shadow:0 0 12px var(--color-cyan);border-radius:50%;position:relative}.radar-pulse-dot:after{content:"";border:1px solid var(--color-cyan);border-radius:50%;animation:1.8s infinite pulseRipple;position:absolute;inset:-4px}@keyframes pulseRipple{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(2.6)}}.brand-text{flex-direction:column;display:flex}.brand-title{font-family:var(--font-hud);letter-spacing:2px;color:#fff;text-shadow:0 0 10px var(--color-cyan-glow);font-size:14px;font-weight:800}.brand-subtitle{font-family:var(--font-mono);color:var(--color-cyan);letter-spacing:1px;font-size:9px}.badge{font-family:var(--font-mono);letter-spacing:.5px;border-radius:4px;padding:3px 8px;font-size:10px;font-weight:700}.badge-mode{color:var(--color-cyan);background:#00f0ff1f;border:1px solid #00f0ff59}.telemetry-zone{align-items:center;gap:14px;display:flex}.telemetry-chip{border:1px solid var(--border-glass-subtle);background:#0f172a99;border-radius:4px;flex-direction:column;align-items:center;min-width:55px;padding:3px 8px;display:flex}.chip-label{font-size:8px;font-family:var(--font-mono);color:#94a3b8;letter-spacing:.5px}.chip-value{font-family:var(--font-mono);color:#38bdf8;font-size:11px;font-weight:700}.status-active{color:var(--color-safe)}.actions-zone{align-items:center;gap:8px;display:flex}.btn-icon{border:1px solid var(--border-glass-subtle);color:#e2e8f0;cursor:pointer;background:#0f172acc;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.btn-icon:hover{border-color:var(--color-cyan);color:#fff;background:#00f0ff26;transform:translateY(-1px)}.btn-icon.active{border-color:var(--color-cyan);color:var(--color-cyan);box-shadow:0 0 10px var(--color-cyan-glow)}.icon{width:18px;height:18px}.hud-main{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.viewport-wrapper{background:#000;flex:1;width:100%;height:100%;position:relative;overflow:hidden}.feed-video,.feed-canvas,.hud-canvas-overlay{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.hud-canvas-overlay{z-index:10;pointer-events:none}.distance-cluster{-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-glass);z-index:15;background:#070d1dd9;border-radius:14px;flex-direction:column;align-items:center;min-width:280px;padding:10px 24px 12px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:absolute;top:18px;left:50%;transform:translate(-50%);box-shadow:0 12px 36px #0009,0 0 20px #00f0ff26}.distance-cluster.state-safe{box-shadow:0 12px 36px #0009, 0 0 20px var(--color-safe-glow);border-color:#10b98166}.distance-cluster.state-caution{box-shadow:0 12px 36px #0009, 0 0 24px var(--color-caution-glow);border-color:#f59e0b99;animation:1s infinite alternate cautionPulse}.distance-cluster.state-danger{box-shadow:0 12px 36px #0009, 0 0 32px var(--color-danger-glow);border-color:#ef4444e6;animation:.35s infinite alternate dangerPulse}@keyframes cautionPulse{0%{transform:translate(-50%)scale(1)}to{transform:translate(-50%)scale(1.02)}}@keyframes dangerPulse{0%{background:#1e0a0feb;transform:translate(-50%)scale(1.02)}to{background:#320a0ff5;transform:translate(-50%)scale(1.06)}}.cluster-header{justify-content:space-between;align-items:center;gap:12px;width:100%;margin-bottom:2px;display:flex}.cluster-label{font-family:var(--font-mono);letter-spacing:1px;color:#94a3b8;font-size:9px;font-weight:600}.badge-speed{color:#38bdf8;background:#ffffff1a;border:1px solid #38bdf84d;padding:1px 6px;font-size:9px}.cluster-main{justify-content:center;align-items:baseline;gap:4px;margin:4px 0 6px;line-height:1;display:flex}.distance-number{font-family:var(--font-hud);letter-spacing:-1px;color:#fff;text-shadow:0 0 20px;font-size:52px;font-weight:900}.state-safe .distance-number{color:var(--color-safe)}.state-caution .distance-number{color:var(--color-caution)}.state-danger .distance-number{color:var(--color-danger)}.distance-unit{font-family:var(--font-hud);color:#94a3b8;font-size:18px;font-weight:700}.cluster-footer{justify-content:space-between;align-items:center;gap:10px;width:100%;margin-top:2px;display:flex}.ttc-indicator{font-family:var(--font-mono);color:#cbd5e1;font-size:11px;font-weight:700}.alert-banner{font-family:var(--font-hud);letter-spacing:1px;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:800}.state-safe .alert-banner{color:var(--color-safe);background:#10b98126}.state-caution .alert-banner{color:var(--color-caution);background:#f59e0b33}.state-danger .alert-banner{color:#fff;border:1px solid var(--color-danger);background:#ef44444d}.range-meter{background:#ffffff1a;border-radius:2px;width:100%;height:4px;margin-top:8px;overflow:hidden}.range-progress-fill{border-radius:2px;height:100%;transition:width .15s ease-out,background-color .3s}.state-safe .range-progress-fill{background-color:var(--color-safe)}.state-caution .range-progress-fill{background-color:var(--color-caution)}.state-danger .range-progress-fill{background-color:var(--color-danger)}.radar-widget{-webkit-backdrop-filter:blur(14px);border:1px solid var(--border-glass);z-index:15;background:#070d1dd9;border-radius:16px;flex-direction:column;width:160px;height:160px;padding:8px;display:flex;position:absolute;bottom:16px;right:16px;box-shadow:0 8px 28px #00000080}.radar-header{font-family:var(--font-mono);color:var(--color-cyan);letter-spacing:.5px;justify-content:space-between;align-items:center;margin-bottom:4px;font-size:8px;display:flex}.radar-range-tag{background:#00f0ff26;border-radius:2px;padding:1px 4px}.radar-canvas{flex:1;width:100%;height:100%}.horizon-handle{cursor:ns-resize;z-index:12;opacity:.25;align-items:center;transition:opacity .2s;display:flex;position:absolute;top:50%;left:0;right:0;transform:translateY(-50%)}.horizon-handle:hover,.horizon-handle.active{opacity:.9}.horizon-line{background:linear-gradient(90deg, transparent 0%, var(--color-cyan) 25%, var(--color-cyan) 75%, transparent 100%);height:1px;box-shadow:0 0 6px var(--color-cyan);flex:1}.horizon-tag{border:1px solid var(--color-cyan);color:var(--color-cyan);font-family:var(--font-mono);background:#030712d9;border-radius:4px;margin:0 16px;padding:2px 8px;font-size:9px}.hud-controls-dock{-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border-glass-subtle);z-index:20;background:#030712e0;justify-content:space-between;align-items:center;gap:12px;height:64px;padding:0 16px;display:flex}.dock-group{align-items:center;gap:8px;display:flex}.dock-btn{border:1px solid var(--border-glass-subtle);color:#cbd5e1;font-family:var(--font-body);cursor:pointer;background:#0f172acc;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-size:12px;font-weight:600;transition:all .2s;display:flex}.dock-btn:hover{border-color:var(--color-cyan);color:#fff;background:#1e293be6}.dock-btn.active{border-color:var(--color-cyan);color:var(--color-cyan);box-shadow:0 0 12px var(--color-cyan-glow);background:#00f0ff26}.dock-icon{width:16px;height:16px}.dock-label{font-family:var(--font-mono);color:#94a3b8;margin-right:4px;font-size:10px}.pill-btn{border:1px solid var(--border-glass-subtle);color:#94a3b8;cursor:pointer;background:#0f172ab3;border-radius:16px;padding:6px 12px;font-size:11px;font-weight:600;transition:all .2s}.pill-btn:hover{color:#fff;border-color:#38bdf8}.pill-btn.active{color:#030712;background:#38bdf8;border-color:#38bdf8;font-weight:700}.btn-danger-pill.active{background:var(--color-danger);border-color:var(--color-danger);color:#fff;box-shadow:0 0 12px var(--color-danger-glow)}.slider-box{border:1px solid var(--border-glass-subtle);background:#0f172a99;border-radius:8px;align-items:center;gap:8px;padding:4px 10px;display:flex}.slider-label{font-size:10px;font-family:var(--font-mono);color:#94a3b8}.slider-val{font-family:var(--font-mono);color:var(--color-cyan);min-width:32px;font-size:11px;font-weight:700}.custom-range{-webkit-appearance:none;background:#ffffff26;border-radius:3px;outline:none;width:100px;height:5px}.custom-range::-webkit-slider-thumb{-webkit-appearance:none;background:var(--color-cyan);cursor:pointer;width:14px;height:14px;box-shadow:0 0 8px var(--color-cyan);border-radius:50%;transition:transform .1s}.custom-range::-webkit-slider-thumb:hover{transform:scale(1.2)}.range-danger::-webkit-slider-thumb{background:var(--color-danger);box-shadow:0 0 8px var(--color-danger)}.range-caution::-webkit-slider-thumb{background:var(--color-caution);box-shadow:0 0 8px var(--color-caution)}.modal-backdrop{-webkit-backdrop-filter:blur(4px);z-index:40;opacity:0;pointer-events:none;background:#000000a6;transition:opacity .3s;position:fixed;inset:0}.modal-backdrop.open{opacity:1;pointer-events:auto}.settings-drawer{-webkit-backdrop-filter:blur(20px);border-left:1px solid var(--border-glass);z-index:50;background:#0b132bf2;flex-direction:column;width:380px;max-width:90vw;transition:transform .3s cubic-bezier(.16,1,.3,1);display:flex;position:fixed;top:0;bottom:0;right:0;transform:translate(100%);box-shadow:-10px 0 40px #000c}.settings-drawer.open{transform:translate(0)}.drawer-header{border-bottom:1px solid var(--border-glass-subtle);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.drawer-title-group{color:var(--color-cyan);align-items:center;gap:10px;display:flex}.drawer-title-group h2{font-family:var(--font-hud);letter-spacing:.5px;color:#fff;font-size:14px;font-weight:700}.drawer-body{flex-direction:column;flex:1;gap:20px;padding:20px;display:flex;overflow-y:auto}.setting-group{flex-direction:column;gap:8px;display:flex}.setting-row-header{justify-content:space-between;align-items:center;display:flex}.setting-label{color:#e2e8f0;font-size:13px;font-weight:600}.setting-hint{color:#94a3b8;font-size:11px;line-height:1.4}.setting-badge{font-family:var(--font-mono);color:var(--color-cyan);background:#00f0ff26;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:700}.badge-danger{color:var(--color-danger);background:#ef444433}.badge-caution{color:var(--color-caution);background:#f59e0b33}.text-danger{color:var(--color-danger)}.text-caution{color:var(--color-caution)}.text-cyan{color:var(--color-cyan)}.preset-buttons{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.preset-btn{border:1px solid var(--border-glass-subtle);color:#cbd5e1;cursor:pointer;background:#0f172ab3;border-radius:6px;padding:8px;font-size:11px;font-weight:600;transition:all .2s}.preset-btn:hover{color:#fff;background:#1e293bcc;border-color:#38bdf8}.preset-btn.active{border-color:var(--color-cyan);color:var(--color-cyan);background:#00f0ff26}.toggle-group{flex-direction:row;justify-content:space-between;align-items:center}.toggle-switch{width:44px;height:24px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.slider.round{cursor:pointer;background-color:#334155;border-radius:24px;transition:all .3s;position:absolute;inset:0}.slider.round:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .3s;position:absolute;bottom:3px;left:3px}input:checked+.slider.round{background-color:var(--color-cyan)}input:checked+.slider.round:before{transform:translate(20px)}.btn-secondary{border:1px solid var(--border-glass);color:#fff;cursor:pointer;background:#1e293be6;border-radius:8px;padding:10px;font-size:12px;font-weight:600;transition:all .2s}.btn-secondary:hover{border-color:var(--color-cyan);background:#00f0ff33}@media (width<=768px){.hidden-mobile{display:none!important}.hud-header{height:46px;padding:0 10px}.distance-cluster{min-width:220px;padding:6px 16px 8px;top:10px}.distance-number{font-size:40px}.radar-widget{width:120px;height:120px;bottom:10px;right:10px}.hud-controls-dock{flex-wrap:wrap;gap:8px;height:auto;padding:8px 10px}.sim-scenarios{width:100%;padding-bottom:2px;overflow-x:auto}}@media (orientation:landscape) and (height<=500px){.hud-header{height:38px;padding:0 12px}.brand-title{font-size:11px}.distance-cluster{padding:4px 16px 6px;top:6px}.distance-number{font-size:34px}.radar-widget{width:110px;height:110px;bottom:6px;right:10px}.hud-controls-dock{height:48px;padding:0 10px}}