:root{--c-bg: #02030a;--c-panel: rgba(7, 14, 26, .72);--c-border: rgba(94, 201, 255, .28);--c-text: #dff4ff;--c-accent: #7fd4ff;--c-amber: #ffd76a;--c-green: #7dffa8;--c-red: #ff5050;--font-ui: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-mono: "Cascadia Mono", "Consolas", "Courier New", monospace}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--c-bg)}#app{position:fixed;inset:0}#app canvas{display:block;width:100%;height:100%}.hidden{display:none!important}#hud{position:fixed;inset:0;font-family:var(--font-ui);color:var(--c-text);pointer-events:none;user-select:none}.panel{position:absolute;background:var(--c-panel);border:1px solid var(--c-border);border-radius:10px;padding:12px 16px;backdrop-filter:blur(6px);box-shadow:0 0 26px #0078ff1a,inset 0 0 18px #40a4ff0d;min-width:200px}.panel.tl{top:14px;left:14px}.panel.tr{top:14px;right:14px;text-align:right}.label{font-size:10px;letter-spacing:3px;color:var(--c-accent);opacity:.85}.value{font-family:var(--font-mono);font-size:14px;color:var(--c-text);font-variant-numeric:tabular-nums}.value.big{display:block;font-size:26px;line-height:1.15;margin:2px 0 8px;text-shadow:0 0 14px rgba(127,212,255,.5)}.row{display:flex;justify-content:space-between;gap:18px;align-items:baseline;margin-top:6px}.bar{height:5px;margin-top:3px;border-radius:3px;background:#7fd4ff24;overflow:hidden}.bar>div{height:100%;width:0%;border-radius:3px;background:linear-gradient(90deg,#1e7fd4,#4fd0ff);box-shadow:0 0 10px #4fd0ffb3;transition:width 80ms linear}#fuelBar.low{background:linear-gradient(90deg,#d44a1e,#ff8a4f);box-shadow:0 0 10px #ff783ccc}#refuel{margin-top:8px;font-size:11px;letter-spacing:2px;color:var(--c-green);text-shadow:0 0 10px rgba(125,255,168,.7)}#autopilot{margin-top:6px;font-size:11px;letter-spacing:2px;color:var(--c-amber);text-shadow:0 0 10px rgba(255,215,106,.7)}.btn-row{position:absolute;left:50%;transform:translate(-50%);display:flex;gap:8px;pointer-events:none}#targetButtons{top:14px}#timeButtons{top:56px}button{pointer-events:auto;font-family:var(--font-mono);font-size:12px;letter-spacing:1px;color:#9fd8ff;background:#0a1422c7;border:1px solid var(--c-border);border-radius:7px;padding:7px 13px;cursor:pointer;transition:all .12s ease}button:hover{background:#1e3c5ae6;color:#fff;box-shadow:0 0 12px #40a4ff73}button.active{background:#3494ff4d;border-color:#4fb8ff;color:#fff;box-shadow:0 0 16px #40a4ff99}#crosshair{position:fixed;left:50%;top:50%;width:30px;height:30px;transform:translate(-50%,-50%)}#crosshair:before,#crosshair:after{content:"";position:absolute;background:#96e1ffe6;box-shadow:0 0 6px #78c8ffcc}#crosshair:before{left:50%;top:0;width:1.5px;height:100%;transform:translate(-50%)}#crosshair:after{top:50%;left:0;height:1.5px;width:100%;transform:translateY(-50%)}#chevron{position:fixed;left:50%;top:50%;font-size:14px;color:var(--c-amber);text-shadow:0 0 8px rgba(255,215,106,.8);transition:color .15s ease}#chevron.aligned{color:var(--c-green);text-shadow:0 0 10px rgba(125,255,168,.9)}#marker{position:fixed;width:14px;height:14px;border:1.5px solid var(--c-amber);transform:translate(-50%,-50%) rotate(45deg);box-shadow:0 0 10px #ffd76ab3,inset 0 0 6px #ffd76a59;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}.bottom-hint{position:fixed;left:50%;bottom:10px;transform:translate(-50%);font-size:11px;letter-spacing:1px;color:#a0c8eb8c;white-space:nowrap}#debug{position:fixed;left:12px;bottom:38px;font-family:var(--font-mono);font-size:11px;line-height:1.5;color:#9fd8ff;background:var(--c-panel);border:1px solid var(--c-border);border-radius:8px;padding:10px 12px;pointer-events:none;user-select:none}#debug pre{margin:0}#startScreen{position:fixed;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:radial-gradient(ellipse at 50% 38%,#06101ec7,#020409ed 75%);backdrop-filter:blur(3px);text-align:center}#startScreen h1{font-size:58px;letter-spacing:16px;color:#cfeaff;text-shadow:0 0 30px rgba(80,180,255,.55);font-weight:300}#startScreen .sub{font-size:15px;letter-spacing:4px;color:#a0d2f5bf}.controls-grid{display:grid;grid-template-columns:auto auto;gap:6px 26px;font-size:13px;color:#9fc8e8;margin:10px 0 4px;text-align:left}.controls-grid .k{display:inline-block;min-width:76px;text-align:center;font-family:var(--font-mono);font-size:12px;color:#fff;background:#408cdc29;border:1px solid rgba(94,201,255,.35);border-radius:5px;padding:2px 8px;margin-right:8px}#startBtn{margin-top:8px;font-size:16px;letter-spacing:6px;padding:14px 44px;color:#eaffff;background:#145aa059;border-color:#5ec9ff99;box-shadow:0 0 24px #40a4ff59}#startBtn:hover{background:#1e78d280;box-shadow:0 0 34px #40a4ffa6}#crashScreen{position:fixed;inset:0;z-index:15;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#2804046b}#crashScreen h1{font-size:72px;letter-spacing:18px;color:var(--c-red);text-shadow:0 0 40px rgba(255,60,60,.8);animation:blink 1.1s steps(2,start) infinite}#crashScreen p{font-size:16px;letter-spacing:2px;color:#ffc9c9}@keyframes blink{50%{opacity:.25}}#errorBox{position:fixed;top:0;left:0;right:0;z-index:99;background:#780808eb;color:#ffd4d4;font-family:var(--font-mono);font-size:12px;padding:10px 16px;white-space:pre-wrap}