html,body{color:#273c43;overscroll-behavior:none;background:#cfe0ea;height:100%;margin:0;font:13px system-ui,sans-serif;overflow:hidden}#app{touch-action:none;position:fixed;inset:0}#app canvas{display:block}:where(button,a,input,[tabindex]):focus-visible{outline-offset:2px;outline:2px solid #1a4f46}#hud{top:calc(10px + env(safe-area-inset-top));left:calc(10px + env(safe-area-inset-left));z-index:30;background:#fffffff0;border:1px solid #819b9938;border-radius:10px;flex-direction:column;gap:6px;width:max-content;max-width:min(420px,100vw - 20px);padding:6px 8px;display:flex;position:fixed;box-shadow:0 2px 10px #233b4522}.hud-row{align-items:center;gap:6px;min-width:0;display:flex}.hud-title b{letter-spacing:.02em;font-size:13px}.hud-actions{gap:6px;margin-left:auto;display:flex}.hud-modes{flex-wrap:wrap}#hud button{cursor:pointer;color:#273c43;white-space:nowrap;background:#f6faf5;border:1px solid #b5c8c6;border-radius:6px;padding:3px 8px;font:12px system-ui,sans-serif}#hud button:hover{background:#e7f0dc}#hud button.active,#hud button[aria-pressed=true]{color:#fff;background:#2b7a6c;border-color:#1f5f54}.hud-status{font-variant-numeric:tabular-nums;color:#42595f;flex-wrap:wrap;gap:10px;font-size:12px}#hud-mode{color:#273c43;font-weight:600}#hud-speed{font-variant-numeric:tabular-nums}#hud-altitude,#hud-loading{color:#3d6b62}#hud-weather{color:#3d6b62;white-space:nowrap}#hud-altitude[hidden],#hud-loading[hidden],#hud-weather[hidden]{display:none}.hud-layers{flex-wrap:wrap}.panel{z-index:60;color:#273c43;background:#fffffff7;border:1px solid #819b9955;border-radius:12px;width:min(440px,100vw - 24px);max-height:min(78vh,620px);padding:12px 16px 14px;font-size:13px;line-height:1.45;position:fixed;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%);box-shadow:0 10px 40px #1b313b33}.panel[hidden]{display:none}.panel-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.panel h2{margin:0;font-size:15px}.panel h3{letter-spacing:.04em;text-transform:uppercase;color:#3d6b62;margin:12px 0 4px;font-size:12px}.panel p{margin:4px 0 8px}.panel ul{margin:0 0 8px;padding-left:18px}.panel li{margin:2px 0}.panel a{color:#1f5f54}.panel-hint{color:#42595f;margin-top:12px;font-size:12px}.panel-close{cursor:pointer;color:#273c43;background:#f6faf5;border:1px solid #b5c8c6;border-radius:50%;width:30px;height:30px;margin-left:auto;font:16px/1 system-ui,sans-serif}.panel-close:hover{background:#e7f0dc}#touch-controls{z-index:25;pointer-events:none;position:fixed;inset:0}#touch-controls[hidden]{display:none}#joystick{left:calc(16px + env(safe-area-inset-left));bottom:calc(34px + env(safe-area-inset-bottom));pointer-events:auto;touch-action:none;-webkit-user-select:none;user-select:none;background:#ffffffa6;border:2px solid #819b99aa;border-radius:50%;width:116px;height:116px;position:absolute;box-shadow:0 2px 10px #233b4522}#joystick-knob{will-change:transform;background:#52b7a5dd;border:2px solid #2b7a6c;border-radius:50%;width:48px;height:48px;transition:background .1s ease-out;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#joystick.active #joystick-knob{background:#2b7a6cdd}#climb-controls{right:calc(16px + env(safe-area-inset-right));bottom:calc(34px + env(safe-area-inset-bottom));pointer-events:auto;flex-direction:column;gap:10px;display:flex;position:absolute}#climb-controls[hidden]{display:none}#climb-controls button{cursor:pointer;color:#273c43;touch-action:none;-webkit-user-select:none;user-select:none;background:#ffffffd9;border:2px solid #819b99aa;border-radius:50%;width:64px;height:64px;font:20px/1 system-ui,sans-serif;box-shadow:0 2px 10px #233b4522}#climb-controls button.active{color:#fff;background:#2b7a6c;border-color:#1f5f54}#time-control{align-items:center;gap:8px;font-size:12px;display:flex}#time-control[hidden]{display:none}#time-control input{accent-color:#2b7a6c;width:140px}#time-control output{font-variant-numeric:tabular-nums;min-width:38px;font-weight:600}#time-control button{cursor:pointer;color:#273c43;background:#f6faf5;border:1px solid #b5c8c6;border-radius:6px;padding:2px 7px;font:12px system-ui,sans-serif}#load-progress{z-index:46;pointer-events:none;position:fixed;top:0;left:0;right:0}#load-progress[hidden]{display:none}.load-track{background:#dcebe4aa;width:100%;height:3px;overflow:hidden}.load-fill{background:linear-gradient(90deg,#2b7a6c,#52b7a5);width:6%;height:100%;transition:width .12s ease-out}.load-text{background:#fffffff0;border:1px solid #819b9938;border-radius:999px;margin:5px 0 0 10px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}#credits{right:calc(8px + env(safe-area-inset-right));bottom:calc(6px + env(safe-area-inset-bottom));z-index:30;text-align:right;background:#fffc;border-radius:4px;max-width:calc(100vw - 16px);padding:2px 6px;font-size:11px;position:fixed}#credits a{color:inherit}#error-notice{left:calc(10px + env(safe-area-inset-left));bottom:calc(10px + env(safe-area-inset-bottom));z-index:31;color:#6b4a10;pointer-events:none;background:#fff6e0f0;border:1px solid #d9a441;border-radius:8px;max-width:min(360px,100vw - 20px);padding:6px 10px;font-size:12px;position:fixed}#error-notice[hidden]{display:none}#perf{top:calc(10px + env(safe-area-inset-top));right:calc(10px + env(safe-area-inset-right));z-index:40;color:#dfeae6;pointer-events:none;background:#0e1c22e6;border-radius:6px;grid-template-columns:auto auto;gap:0 10px;margin:0;padding:6px 8px;font:11px ui-monospace,SFMono-Regular,Menlo,monospace;display:grid;position:fixed}#perf[hidden]{display:none}#perf dt{white-space:nowrap;opacity:.75}#perf dd{text-align:right;font-variant-numeric:tabular-nums;margin:0}#perf dd.over{color:#ff9a8a;font-weight:600}@media (pointer:coarse){#hud button{min-height:38px;padding:6px 10px}#joystick{width:128px;height:128px}#joystick-knob{width:54px;height:54px}#error-notice{left:50%;bottom:calc(176px + env(safe-area-inset-bottom));transform:translate(-50%)}}@media (width<=600px){#credits{font-size:9px}.panel{padding:10px 12px 12px;font-size:12px}}@media (prefers-reduced-motion:reduce){.load-fill,#joystick-knob{transition:none}}