:root{--glass-bg-normal: rgba(255, 255, 255, .7);--glass-bg-active: rgba(255, 255, 255, .9);--text-primary: #1E293B;--text-secondary: #475569;--accent-blue: #2563EB;--accent-blue-light: #DBEAFE;--color-warning: #D97706;--color-danger: #DC2626;--border-glass: 1px solid rgba(255, 255, 255, .4);--border-separator: 1px solid rgba(30, 41, 59, .15);--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, .05), 0 1px 2px 0 rgba(0, 0, 0, .02);--shadow-elevated: 0 4px 30px rgba(0, 0, 0, .05);--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Roboto Mono", Consolas, "Courier New", monospace;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--space-6: 48px;--space-8: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 9999px;--z-joysticks: 10;--z-hud: 20;--z-settings-backdrop: 100;--z-settings-card: 110}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--font-ui);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#viewport-canvas{display:block;width:100%;height:100%;position:fixed;top:0;left:0}.glass-panel{background:var(--glass-bg-normal);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:var(--border-glass);border-radius:var(--radius-md);box-shadow:var(--shadow-elevated)}.loading-screen{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:#f8fafc}.loading-content{text-align:center}.loading-title{font-size:36px;font-weight:700;letter-spacing:-.03em;color:var(--text-primary);margin-bottom:var(--space-1)}.loading-subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:var(--space-3)}.loading-bar-track{width:240px;height:4px;border-radius:var(--radius-pill);background:#1e293b14;overflow:hidden;margin:0 auto}.loading-bar-fill{width:0%;height:100%;background:var(--accent-blue);border-radius:var(--radius-pill);transition:width .3s ease}.flight-hud{position:fixed;inset:0;z-index:var(--z-hud);pointer-events:none}.flight-hud>*{pointer-events:auto}.telemetry-panel{position:absolute;top:var(--space-2);left:var(--space-2);padding:var(--space-1) var(--space-2);display:flex;flex-direction:column;gap:4px}.telemetry-row{display:flex;align-items:baseline;gap:var(--space-1)}.telemetry-label{font-family:var(--font-mono);font-size:12px;font-weight:400;color:var(--text-secondary);min-width:48px}.telemetry-value{font-family:var(--font-mono);font-size:20px;font-weight:700;color:var(--text-primary)}.biome-badge{position:absolute;top:var(--space-2);left:50%;transform:translate(-50%);padding:6px var(--space-2);border-radius:var(--radius-pill);display:flex;align-items:center;gap:var(--space-1);font-size:14px;font-weight:600}.top-right-cluster{position:absolute;top:var(--space-2);right:var(--space-2);display:flex;align-items:center;gap:var(--space-1)}.fps-tracker{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--text-primary);transition:color .3s ease}.fps-tracker.warning{color:var(--color-warning)}.gear-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;border:none;border-radius:50%;transition:background .2s ease}.gear-btn:hover{background:var(--glass-bg-active)}.gear-btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.cruise-slider-container{position:absolute;right:var(--space-2);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:var(--space-1)}.cruise-label{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--text-secondary);letter-spacing:.05em}.cruise-slider{writing-mode:vertical-lr;direction:rtl;width:6px;height:180px;appearance:none;-webkit-appearance:none;background:#1e293b1a;border-radius:var(--radius-pill);outline:none}.cruise-slider::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--accent-blue);box-shadow:0 1px 4px #0000001a;cursor:pointer}.cruise-slider::-webkit-slider-thumb:hover{box-shadow:0 0 0 4px #2563eb26}.cruise-value{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--text-primary)}.perf-warning{position:absolute;bottom:var(--space-2);right:var(--space-2);font-size:13px;font-weight:500;color:var(--color-warning);transition:opacity .5s ease}#touch-controls{position:fixed;inset:0;z-index:var(--z-joysticks);pointer-events:none}.joystick{position:absolute;bottom:var(--space-3);width:140px;height:140px;pointer-events:auto;transition:opacity .5s linear}.joystick-left{left:var(--space-3)}.joystick-right{right:100px}.joystick-track{width:120px;height:120px;border-radius:50%;background:var(--glass-bg-normal);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:var(--border-glass);position:relative;margin:10px}.joystick-knob{width:48px;height:48px;border-radius:50%;background:var(--glass-bg-active);border:2px solid rgba(255,255,255,.6);box-shadow:var(--shadow-glass);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.height-slider{position:absolute;right:var(--space-2);bottom:var(--space-3);width:48px;height:200px;pointer-events:auto;transition:opacity .5s linear}.height-slider-track{width:8px;height:100%;background:var(--glass-bg-normal);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:var(--border-glass);border-radius:var(--radius-pill);margin:0 auto;position:relative}.height-slider-knob{width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--accent-blue);box-shadow:0 1px 4px #0000001a;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.settings-overlay{position:fixed;inset:0;z-index:var(--z-settings-backdrop);display:flex;align-items:center;justify-content:center}.settings-backdrop{position:absolute;inset:0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:#0000001a}.settings-card{position:relative;z-index:var(--z-settings-card);width:90%;max-width:560px;max-height:85vh;overflow-y:auto;padding:var(--space-3);background:#ffffffd9}.disconnect-card{text-align:center;padding:var(--space-6)}.disconnect-card h1{margin-bottom:var(--space-2)}.disconnect-card kbd{background:var(--accent-blue-light);padding:2px 8px;border-radius:4px;font-family:var(--font-mono);font-size:13px}.settings-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-3)}.settings-header h1{font-size:24px;font-weight:600;letter-spacing:-.025em}.close-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;font-size:18px;cursor:pointer;border-radius:50%;color:var(--text-secondary);transition:background .2s ease}.close-btn:hover{background:#1e293b0f}.close-btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.settings-body h2{font-size:16px;font-weight:600;color:var(--text-primary);margin-top:var(--space-3);margin-bottom:var(--space-1)}.settings-body h2:first-child{margin-top:0}.biome-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-1)}.biome-card{display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--space-2) var(--space-1);border:2px solid transparent;border-radius:var(--radius-sm);background:var(--glass-bg-normal);cursor:pointer;position:relative;transition:transform .15s ease,border-color .2s ease,background .2s ease}.biome-card:hover:not(.disabled){transform:scale(1.04)}.biome-card.active{border-color:#3b82f6;background:#2563eb0f}.biome-card.disabled{opacity:.4;cursor:not-allowed}.biome-card-icon{font-size:28px}.biome-card-label{font-size:12px;font-weight:600}.biome-card-check{display:none;position:absolute;top:4px;right:6px;font-size:14px;color:var(--accent-blue);font-weight:700}.biome-card.active .biome-card-check{display:block}.input-mode-toggle,.graphics-toggle{display:flex;gap:var(--space-1)}.mode-btn{flex:1;padding:var(--space-1) var(--space-2);border:var(--border-separator);border-radius:var(--radius-sm);background:transparent;font-family:var(--font-ui);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s ease,border-color .2s ease}.mode-btn:hover:not(:disabled){background:#1e293b0a}.mode-btn.active{background:var(--accent-blue-light);border-color:var(--accent-blue);color:var(--accent-blue);font-weight:600}.mode-btn:disabled{opacity:.4;cursor:not-allowed}.mode-btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.quality-segment{display:flex;gap:var(--space-1);margin-top:var(--space-1)}.quality-btn{flex:1;padding:6px var(--space-1);border:var(--border-separator);border-radius:var(--radius-sm);background:transparent;font-family:var(--font-ui);font-size:13px;font-weight:500;cursor:pointer;transition:background .2s ease}.quality-btn.active{background:var(--accent-blue-light);border-color:var(--accent-blue);color:var(--accent-blue)}.slider-group{display:flex;align-items:center;gap:var(--space-2)}.slider-group input[type=range]{flex:1;height:6px;appearance:none;-webkit-appearance:none;background:#1e293b1a;border-radius:var(--radius-pill);outline:none}.slider-group input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid var(--accent-blue);box-shadow:0 1px 4px #0000001a;cursor:pointer}.slider-group input[type=range]::-webkit-slider-thumb:hover{box-shadow:0 0 0 4px #2563eb26}.slider-readout{font-family:var(--font-mono);font-size:14px;font-weight:700;min-width:40px;text-align:right}.settings-footer{display:flex;justify-content:flex-end;gap:var(--space-1);margin-top:var(--space-3);padding-top:var(--space-2);border-top:var(--border-separator)}.btn{padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);font-family:var(--font-ui);font-size:14px;font-weight:500;cursor:pointer;transition:background .2s ease}.btn:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.btn-primary{background:var(--accent-blue);color:#fff;border:none}.btn-primary:hover{background:#1d4ed8}.btn-secondary{background:transparent;color:var(--text-secondary);border:var(--border-separator)}.btn-secondary:hover{background:#1e293b0a}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}