:root{--bg-primary: #0a0d14;--bg-secondary: #121824;--bg-panel: rgba(18, 24, 36, .88);--bg-card: rgba(26, 34, 51, .75);--border-subtle: rgba(255, 255, 255, .08);--border-focus: #f59e0b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-gold: #fbbf24;--accent-amber: #f59e0b;--accent-orange: #f97316;--accent-blue: #3b82f6;--accent-emerald: #10b981;--accent-rose: #f43f5e;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-panel: 0 20px 40px -15px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(245, 158, 11, .25);--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}#app-root{display:flex;flex-direction:column;width:100vw;height:100vh}#main-header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);z-index:20}.brand-container{display:flex;align-items:center;gap:12px}.brand-badge{font-size:.7rem;font-weight:800;letter-spacing:.08em;padding:4px 8px;border-radius:var(--radius-sm);background:var(--accent-amber);color:#0b0f19;text-transform:uppercase}#main-header h1{font-size:1.15rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.header-status{display:flex;gap:8px;align-items:center}.camera-switch-nav{display:flex;align-items:center}.camera-switch-group{display:inline-flex;background:#0006;padding:3px;border-radius:var(--radius-md);border:1px solid var(--border-subtle);gap:4px}.btn-cam-mode{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;font-size:.8rem;font-weight:500;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .18s ease-in-out;user-select:none}.btn-cam-mode:hover{color:var(--text-primary);background:#ffffff0d}.btn-cam-mode.is-active{background:#f59e0b26;border-color:var(--accent-amber);color:#fff;font-weight:600;box-shadow:0 0 10px #f59e0b40}.cam-icon{display:block;stroke:currentColor;transition:transform .2s ease}.btn-cam-mode:hover .cam-icon{transform:scale(1.1)}.btn-cam-mode.is-active .cam-icon{stroke:var(--accent-amber)}.badge{font-size:.75rem;font-family:var(--font-mono);padding:4px 10px;background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary)}#workspace{position:relative;display:flex;flex:1;min-height:0;width:100%;height:100%;overflow:hidden!important;contain:layout paint}#viewport-section{position:relative;flex:1;min-width:0;min-height:0;height:100%;overflow:hidden!important;background:radial-gradient(circle at center,#1a2233,#0a0d14);contain:layout paint}#canvas-container{width:100%;height:100%;overflow:hidden;outline:none}#canvas-container canvas{display:block;width:100%;height:100%}#canvas-container.is-brush-active,#canvas-container.is-brush-active canvas{cursor:crosshair!important}#telemetry-hud{position:absolute;top:16px;left:16px;min-width:280px;padding:16px;border-radius:var(--radius-md);background:#0f172af0;border:1px solid var(--border-subtle);box-shadow:var(--shadow-panel);pointer-events:auto;z-index:10}#telemetry-hud h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:12px;border-bottom:1px solid var(--border-subtle);padding-bottom:6px}.telemetry-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.telemetry-item{display:flex;flex-direction:column;gap:2px}.telemetry-label{font-size:.72rem;color:var(--text-muted)}.telemetry-value{font-family:var(--font-mono);font-size:.95rem;font-weight:600;color:var(--accent-amber)}.status-pill{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:999px;text-align:center;text-transform:uppercase}.status-passable{background:#10b98133;color:#34d399;border:1px solid rgba(16,185,129,.4)}.status-blocked{background:#f43f5e33;color:#fb7185;border:1px solid rgba(244,63,94,.4)}.telemetry-hint{font-size:.72rem;color:var(--text-muted);line-height:1.3}.glass-sidebar{width:380px;height:100%;max-height:100%;min-height:0;overflow:hidden!important;background:#0f172af5;border-left:1px solid var(--border-subtle);box-shadow:var(--shadow-panel);z-index:10;display:flex;flex-direction:column;contain:layout paint}.panel-scroll-content{flex:1;min-height:0;height:100%;overflow-y:auto;overflow-x:hidden;padding:20px;display:flex;flex-direction:column;gap:24px;overscroll-behavior:contain;contain:paint}.panel-section{display:flex;flex-direction:column;gap:12px;background:var(--bg-card);padding:16px;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.section-title{font-size:.92rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.canvas-preview-wrapper{display:flex;flex-direction:column;align-items:center;gap:8px}#heightmap-canvas{width:100%;max-width:260px;aspect-ratio:1 / 1;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:#000;image-rendering:pixelated;box-shadow:0 4px 12px #0006}.preview-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;font-size:.7rem;color:var(--text-secondary)}.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%}.dot-crater{background-color:#2b3a55}.dot-plain{background-color:#64748b}.dot-bump{background-color:#94a3b8}.dot-high{background-color:#cbd5e1}.dot-cliff{background-color:#fff;border:1px solid #f43f5e}.button-group{display:flex;gap:8px}.btn{flex:1;display:inline-flex;justify-content:center;align-items:center;padding:8px 14px;font-size:.8rem;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease-in-out;border:1px solid transparent;text-decoration:none}.btn-primary{background:var(--accent-amber);color:#0b0f19;font-weight:700;border:1px solid #d97706}.btn-primary:hover{background:var(--accent-gold);color:#0b0f19;border-color:var(--accent-amber);box-shadow:0 4px 14px #f59e0b59;transform:translateY(-1px)}.btn-secondary{background:#ffffff0f;border-color:var(--border-subtle);color:var(--text-primary)}.btn-secondary:hover{background:#ffffff1f;border-color:#fff3}.custom-upload-group{position:relative}.file-input-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.upload-label{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;background:#ffffff08;border:1px dashed var(--border-subtle);border-radius:var(--radius-sm);font-size:.78rem;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.upload-label:hover{border-color:var(--accent-amber);color:var(--accent-amber);background:#f59e0b14}.form-group{display:flex;flex-direction:column;gap:6px}.field-label{font-size:.8rem;color:var(--text-secondary)}.form-select{width:100%;padding:8px 12px;background:#0f172ad9;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.82rem;outline:none;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.form-select:hover,.form-select:focus{border-color:var(--accent-amber);box-shadow:0 0 8px #f59e0b40}.form-select option{background:#0f172a;color:#f8fafc}.dunes-subpanel{display:flex;flex-direction:column;gap:12px;padding:12px;background:#f59e0b0d;border:1px solid rgba(245,158,11,.25);border-radius:var(--radius-sm);margin-top:4px;transition:all .25s ease}.btn-full{width:100%}.is-hidden{display:none!important}.label-with-value{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--text-secondary)}.range-display{font-family:var(--font-mono);font-size:.8rem;color:var(--accent-amber);font-weight:600}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:#ffffff1a;border-radius:3px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent-amber);cursor:pointer;box-shadow:0 0 8px #f59e0b80;transition:transform .1s ease}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.range-ticks{display:flex;justify-content:space-between;font-size:.68rem;color:var(--text-muted);font-family:var(--font-mono)}.checkbox-label{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text-primary);cursor:pointer;user-select:none}.checkbox-label input[type=checkbox]{position:absolute;opacity:0;cursor:pointer}.checkbox-custom{width:18px;height:18px;border-radius:4px;background:#ffffff14;border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;transition:all .15s ease}.checkbox-label input[type=checkbox]:checked~.checkbox-custom{background:var(--accent-amber);border-color:var(--accent-amber)}.checkbox-label input[type=checkbox]:checked~.checkbox-custom:after{content:"✓";font-size:12px;color:#fff;font-weight:700}.wireframe-suboptions{display:flex;flex-direction:column;gap:14px;padding:12px;background:#00000040;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);margin-top:6px}.suboptions-label{font-size:.78rem;color:var(--text-secondary)}.color-preset-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:4px}.btn-color-preset{display:flex;align-items:center;justify-content:center;gap:6px;padding:6px 4px;font-size:.72rem;font-family:var(--font-sans);background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .15s ease}.btn-color-preset:hover{background:#ffffff1a;color:var(--text-primary)}.btn-color-preset.is-active{border-color:var(--accent-amber);background:#f59e0b2e;color:#fff;font-weight:600;box-shadow:0 0 8px #f59e0b40}.color-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0}.color-dot.dot-amber{background-color:#f59e0b;box-shadow:0 0 6px #f59e0bcc}.color-dot.dot-white{background-color:#fff;box-shadow:0 0 6px #fffc}.color-dot.dot-black{background-color:#111827;border:1px solid #6b7280}.color-dot.dot-blue{background-color:#3b82f6;box-shadow:0 0 6px #3b82f6cc}.track-summary-card{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#00000040;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);margin-bottom:6px}.track-stat{display:flex;flex-direction:column;gap:2px}.track-stat-label{font-size:.72rem;color:var(--text-muted)}.track-stat-value{font-family:var(--font-mono);font-size:.92rem;font-weight:700;color:var(--accent-amber)}.track-stat-badge{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:999px;background:#ffffff14;color:var(--text-secondary)}.track-stat-badge.is-active{background:#f59e0b33;color:var(--accent-amber);border:1px solid rgba(245,158,11,.5);box-shadow:0 0 8px #f59e0b4d}.btn-danger-subtle{border-color:#f43f5e4d!important;color:#fb7185!important}.btn-danger-subtle:hover{background:#f43f5e26!important;border-color:#f43f5e!important}.radio-fieldset{border:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.fieldset-legend{font-size:.8rem;color:var(--text-secondary);margin-bottom:6px}.radio-options{display:flex;flex-direction:column;gap:8px}.radio-option{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--text-primary);padding:8px 10px;background:#ffffff08;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;transition:background .15s ease}.radio-option:hover{background:#ffffff0f}.radio-option input[type=radio]{position:absolute;opacity:0}.radio-custom{width:16px;height:16px;border-radius:50%;border:1px solid var(--border-subtle);background:#ffffff0d;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.radio-option input[type=radio]:checked~.radio-custom{border-color:var(--accent-amber)}.radio-option input[type=radio]:checked~.radio-custom:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent-amber)}.slope-indicator-guide{margin-top:6px}.slope-bar{display:flex;height:22px;border-radius:var(--radius-sm);overflow:hidden;font-size:.65rem;font-weight:600;text-align:center;line-height:22px}.slope-green{flex:2;background-color:#10b981;color:#022c22}.slope-yellow{flex:1.5;background-color:#f59e0b;color:#451a03}.slope-red{flex:1.5;background-color:#ef4444;color:#450a0a}.tips-box{background:#ffffff05;border-left:3px solid var(--accent-amber);padding:10px 12px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.75rem;color:var(--text-muted);line-height:1.4}.tips-box strong{color:var(--text-secondary)}#main-footer{padding:8px 24px;background-color:var(--bg-secondary);border-top:1px solid var(--border-subtle);font-size:.72rem;color:var(--text-muted);text-align:center}@media (max-width: 900px){#workspace{flex-direction:column}.glass-sidebar{width:100%;height:45vh}}.header-nav-links{display:flex;align-items:center;gap:8px}.brand-home-link{text-decoration:none;display:inline-flex}.nav-btn-link{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;font-weight:600;text-decoration:none;transition:all .2s ease}.nav-btn-link:hover{background:#ffffff1a;color:var(--text-primary);border-color:#fff3}.nav-btn-highlight{background:#f59e0b1f;border-color:#f59e0b59;color:var(--accent-amber)}.nav-btn-highlight:hover{background:#f59e0b40;border-color:var(--accent-amber);color:#fff}.badge-accent{background:#10b98126;border-color:#10b98166;color:var(--accent-emerald)}body.page-hub{overflow-y:auto;overflow-x:hidden;background:radial-gradient(circle at 50% 0%,#151e30 0%,var(--bg-primary) 70%)}.hub-app-root{min-height:100vh;display:flex;flex-direction:column}.hub-header{position:sticky;top:0;z-index:50;background:#0a0d14f2;border-bottom:1px solid var(--border-subtle)}.hub-tagline{font-size:.82rem;color:var(--text-muted);font-weight:500}#hub-main-content{flex:1;display:flex;flex-direction:column}.garage-credits-badge{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:800;color:#fbbf24;background:#f59e0b1f;border:1px solid rgba(245,158,11,.4);padding:4px 12px;border-radius:999px;vertical-align:middle}.hub-hero-section{position:relative;width:100%;height:860px;min-height:80vh;max-height:940px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(circle at 50% 35%,#18233c,#0a0e17 85%);border-bottom:1px solid var(--border-subtle)}.garage-3d-bg{position:absolute;inset:0;width:100%;height:100%;z-index:1;cursor:grab;outline:none}.garage-3d-bg:active{cursor:grabbing}.garage-3d-bg canvas{display:block;width:100%!important;height:100%!important}.garage-nav-btn{position:absolute;top:52%;transform:translateY(-50%);width:54px;height:54px;border-radius:50%;background:#0f172ae0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(245,158,11,.45);color:#fbbf24;font-size:1.4rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);z-index:15;pointer-events:auto;box-shadow:0 10px 30px #0009}.garage-nav-btn.btn-prev{left:32px}.garage-nav-btn.btn-next{right:32px}.garage-nav-btn:hover{background:var(--accent-amber);color:#0b0f19;border-color:var(--accent-amber);transform:translateY(-50%) scale(1.1);box-shadow:0 0 20px #f59e0b80}.hero-foreground-content{position:relative;z-index:10;width:100%;height:100%;max-width:1360px;margin:0 auto;padding:40px 24px 34px;display:flex;flex-direction:column;justify-content:space-between;align-items:center;pointer-events:none}.hero-vehicle-header{text-align:center;pointer-events:auto;max-width:820px;display:flex;flex-direction:column;align-items:center;gap:4px}.garage-hero-name{font-size:clamp(2.4rem,5.2vw,4rem);font-weight:900;letter-spacing:-.02em;color:#fff;line-height:1.1;margin:0;text-shadow:0 4px 24px rgba(0,0,0,.95),0 0 40px rgba(0,0,0,.9)}.garage-hero-tagline{font-size:clamp(1rem,2vw,1.25rem);color:var(--accent-amber);font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin:2px 0 0;text-shadow:0 2px 14px rgba(0,0,0,.95)}.garage-hero-desc{font-size:clamp(.9rem,1.6vw,1.05rem);color:#e2e8f0;line-height:1.5;max-width:660px;margin:4px 0 8px;text-shadow:0 2px 14px rgba(0,0,0,.95)}.garage-hero-price-wrap{display:inline-flex;align-items:center;justify-content:center;margin-top:4px}.garage-hero-price-wrap .garage-pill{font-size:.88rem;font-weight:800;padding:6px 20px;border-radius:999px;letter-spacing:.06em;box-shadow:0 4px 20px #000000b3}.garage-pill{font-size:.72rem;font-weight:800;letter-spacing:.08em;padding:4px 10px;border-radius:var(--radius-sm);text-transform:uppercase;flex-shrink:0}.pill-active{background:var(--accent-emerald);color:#0b0f19}.pill-unlocked{background:var(--accent-blue);color:#fff}.pill-locked{background:var(--accent-amber);color:#0b0f19}.hero-bottom-actions{display:flex;gap:16px;justify-content:center;align-items:center;flex-wrap:wrap;pointer-events:auto;margin-bottom:8px;width:100%;max-width:600px}.btn-hero-act{flex:1;min-width:190px;padding:14px 26px;font-size:.95rem;font-weight:800;border-radius:var(--radius-md);box-shadow:0 10px 25px #000000b3}.btn-hero-launch{display:inline-flex;align-items:center;justify-content:center;gap:10px;flex:1;min-width:190px;padding:14px 28px;font-size:.95rem;font-weight:800;text-decoration:none;background:var(--accent-amber);color:#0b0f19;border-radius:var(--radius-md);box-shadow:0 10px 25px #000000b3;transition:all .2s cubic-bezier(.16,1,.3,1)}.btn-hero-launch:hover{background:var(--accent-gold);color:#0b0f19;transform:translateY(-2px);box-shadow:0 14px 32px #f59e0b73}@media (max-width: 768px){.hub-hero-section{height:auto;min-height:740px}.hero-foreground-content{padding:24px 16px 20px}.garage-nav-btn{width:44px;height:44px;font-size:1.15rem}.garage-nav-btn.btn-prev{left:12px}.garage-nav-btn.btn-next{right:12px}.hero-bottom-actions{flex-direction:column;width:100%;max-width:360px}.btn-hero-act,.btn-hero-launch{width:100%}}.hub-modes-section{max-width:1120px;margin:0 auto;padding:24px 24px 60px;width:100%}.hub-section-heading{font-size:1.8rem;font-weight:800;text-align:center;margin-bottom:36px;letter-spacing:-.02em}.hub-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px}.hub-card{padding:36px 32px;border-radius:var(--radius-lg);display:flex;flex-direction:column;transition:all .3s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}.hub-card:hover{transform:translateY(-6px);box-shadow:0 20px 45px -10px #000000b3}.hub-card-game:hover{border-color:#3b82f673;box-shadow:0 20px 45px -10px #3b82f633}.hub-card-editor:hover{border-color:#f59e0b73;box-shadow:0 20px 45px -10px #f59e0b33}.hub-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.hub-card-icon-wrap{width:58px;height:58px;border-radius:14px;display:flex;align-items:center;justify-content:center}.icon-game{background:#3b82f61f;color:#3b82f6;border:1px solid rgba(59,130,246,.25)}.icon-editor{background:#f59e0b1f;color:#f59e0b;border:1px solid rgba(245,158,11,.25)}.hub-card-badge{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.hub-card-title{font-size:1.5rem;font-weight:800;margin-bottom:12px}.hub-card-desc{font-size:.92rem;color:var(--text-secondary);line-height:1.55;margin-bottom:24px}.hub-features-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:32px;flex-grow:1;font-size:.88rem;color:var(--text-secondary)}.hub-card-action{margin-top:auto}.hub-card-action .btn{text-align:center;text-decoration:none;padding:12px 20px;font-size:.95rem}.hub-controls-section{max-width:1120px;margin:0 auto;padding:24px 24px 72px;width:100%}.hub-controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:24px;padding:32px 24px;text-align:center;border-radius:var(--radius-lg)}.control-box{display:flex;flex-direction:column;align-items:center;gap:12px}.key-cluster{min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.key-sub-row{display:flex;gap:4px}kbd{display:inline-block;background:#1e293b;border:1px solid #334155;border-bottom:2px solid #0f172a;border-radius:6px;padding:4px 8px;font-family:var(--font-mono);font-size:.82rem;font-weight:700;color:#f8fafc;box-shadow:0 2px 4px #0006}.kbd-wide{padding:4px 20px}.mouse-icon{font-size:1.8rem;line-height:1}.control-label{font-size:.9rem;font-weight:700;color:var(--text-primary)}.control-detail{font-size:.78rem;color:var(--text-muted)}.hub-footer{margin-top:auto;padding:24px 32px}.footer-content{max-width:1120px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.footer-nav{display:flex;gap:20px}.footer-nav 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