:root{--bg-deep: #0A0E1A;--bg-card: #131826;--bg-card-hover: #1A2036;--border: #1E2538;--border-strong: #2A3450;--text: #E5E7EB;--text-dim: #94A3B8;--text-faint: #64748B;--accent: #00D4FF;--accent-dim: rgba(0, 212, 255, .15);--purple: #8B5CF6;--success: #10B981;--warn: #F59E0B;--danger: #EF4444;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;--shadow-glow: 0 0 24px rgba(0, 212, 255, .15)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-deep);color:var(--text);font-family:var(--font-sans);font-weight:400;user-select:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{position:relative;width:100vw;height:100vh;height:100dvh;overflow:hidden}#three-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.topbar{position:absolute;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;pointer-events:none}.brand{display:flex;align-items:center;gap:10px;pointer-events:auto}.brand-mark{color:var(--accent);font-size:12px;text-shadow:0 0 8px var(--accent);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.brand-name{font-weight:600;font-size:15px;letter-spacing:.5px}.brand-tag{font-size:12px;color:var(--text-faint);font-weight:400;border-left:1px solid var(--border);padding-left:10px;margin-left:4px}.topbar-actions{display:flex;align-items:center;gap:8px;pointer-events:auto}.icon-btn{pointer-events:auto;width:32px;height:32px;border-radius:50%;background:#13182699;border:1px solid var(--border);color:var(--text-dim);font-family:var(--font-mono);font-size:14px;cursor:pointer;transition:all .2s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.icon-btn:hover{border-color:var(--accent);color:var(--accent)}.hud{position:absolute;top:70px;left:24px;z-index:10;background:#131826a6;border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 18px;font-family:var(--font-mono);font-size:12px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;flex-direction:column;gap:8px;min-width:168px}.hud-row{display:flex;align-items:baseline;gap:8px}.hud-label{color:var(--text-faint);font-size:11px;min-width:36px}.hud-value{color:var(--text);font-size:16px;font-weight:500;letter-spacing:.5px;font-variant-numeric:tabular-nums}.hud-unit{color:var(--text-faint);font-size:10px;margin-left:-4px}.hud-stage{font-size:13px;color:var(--accent)}.progress-wrap{position:absolute;bottom:96px;left:24px;right:24px;z-index:10;pointer-events:none}.progress-bar{position:relative;height:2px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{position:absolute;top:0;left:0;height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--purple));box-shadow:0 0 8px var(--accent-dim);transition:width .2s linear}.progress-stages{position:absolute;inset:0;display:flex;justify-content:space-between}.progress-stages .marker{width:2px;height:6px;background:var(--text-faint);margin-top:-2px;border-radius:1px}.progress-stages .marker.active{background:var(--accent);box-shadow:0 0 6px var(--accent)}.progress-meta{display:flex;justify-content:space-between;margin-top:8px;font-family:var(--font-mono);font-size:11px;color:var(--text-dim)}#progress-pct{color:var(--accent)}.controls{position:absolute;bottom:24px;left:50%;transform:translate(-50%);z-index:10;display:flex;gap:8px;padding:8px;background:#131826b3;border:1px solid var(--border);border-radius:var(--radius-md);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.ctrl-btn{display:flex;align-items:center;gap:6px;padding:10px 18px;min-width:92px;height:40px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-dim);font-family:var(--font-sans);font-size:13px;font-weight:400;cursor:pointer;transition:all .15s ease;justify-content:center}.ctrl-btn:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-strong);color:var(--text)}.ctrl-btn:active:not(:disabled){transform:scale(.97)}.ctrl-btn:disabled{opacity:.35;cursor:not-allowed}.ctrl-btn.primary{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);font-weight:500}.ctrl-btn.primary:hover:not(:disabled){background:#00d4ff40;box-shadow:var(--shadow-glow)}.ctrl-icon{font-family:var(--font-mono);font-size:14px;font-weight:500}.orbit-picker{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:20;background:#131826eb;border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:28px 32px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 16px 48px #00000080,0 0 0 1px #00d4ff14;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,calc(-50% + 8px))}to{opacity:1;transform:translate(-50%,-50%)}}.orbit-picker.hidden{display:none}.orbit-picker-title{font-size:13px;color:var(--text-dim);text-align:center;margin-bottom:18px;letter-spacing:1px}.orbit-options{display:flex;gap:12px}.orbit-option{display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px 24px;min-width:88px;background:var(--bg-deep);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);font-family:var(--font-sans);cursor:pointer;transition:all .15s ease}.orbit-option:hover{border-color:var(--accent);background:var(--bg-card-hover);transform:translateY(-2px)}.orbit-option.selected{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}.orbit-name{font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:1px}.orbit-km{font-family:var(--font-mono);font-size:11px;color:var(--text-faint)}.help-overlay{position:absolute;inset:0;z-index:30;background:#0a0e1a99;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.help-overlay.hidden{display:none}.help-card{width:min(90vw,380px);background:var(--bg-card);border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:28px;box-shadow:0 24px 64px #00000080;animation:fadeIn .3s ease}.help-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.help-tag{font-family:var(--font-mono);font-size:10px;color:var(--accent);background:var(--accent-dim);padding:3px 8px;border-radius:var(--radius-sm);letter-spacing:1px}.help-close{background:transparent;border:none;color:var(--text-faint);font-size:22px;cursor:pointer;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%}.help-close:hover{background:var(--bg-card-hover);color:var(--text)}.help-title{font-size:18px;font-weight:500;margin-bottom:16px;color:var(--text)}.help-list{list-style:none;margin-bottom:24px}.help-list li{font-size:13px;color:var(--text-dim);padding:8px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}.help-list li:last-child{border-bottom:none}.kbd{display:inline-block;padding:2px 8px;background:var(--bg-deep);border:1px solid var(--border);border-radius:3px;font-family:var(--font-mono);font-size:11px;color:var(--accent);min-width:56px;text-align:center}.help-confirm{width:100%;height:42px;background:var(--accent);border:none;border-radius:var(--radius-md);color:var(--bg-deep);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.help-confirm:hover{background:#3df;box-shadow:var(--shadow-glow)}.mission-complete{position:absolute;inset:0;z-index:30;background:#0a0e1ab3;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.mission-complete.hidden{display:none}.mission-card{text-align:center;padding:32px 40px;background:var(--bg-card);border:1px solid var(--accent);border-radius:var(--radius-lg);box-shadow:0 24px 64px #0009,0 0 48px var(--accent-dim);animation:fadeIn .4s ease}.mission-icon{color:var(--accent);font-size:32px;margin-bottom:12px;text-shadow:0 0 12px var(--accent)}.mission-title{font-size:22px;font-weight:500;color:var(--text);margin-bottom:8px}.mission-sub{font-size:13px;color:var(--text-dim);font-family:var(--font-mono);margin-bottom:24px}.mission-actions{display:flex;justify-content:center}.loading{position:absolute;inset:0;z-index:40;background:var(--bg-deep);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.loading.hidden{display:none}.loading-mark{width:32px;height:32px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-family:var(--font-mono);font-size:12px;color:var(--text-dim);letter-spacing:1px}.error{position:absolute;inset:0;z-index:40;background:var(--bg-deep);display:flex;align-items:center;justify-content:center;padding:24px}.error.hidden{display:none}.error-card{max-width:420px;padding:28px;background:var(--bg-card);border:1px solid var(--danger);border-radius:var(--radius-md);text-align:center}.error-card h3{font-size:16px;color:var(--danger);margin-bottom:10px}.error-card p{font-size:13px;color:var(--text-dim);line-height:1.6}.hidden{display:none!important}@media (max-width: 1024px){.hud{top:60px;left:16px;min-width:148px;padding:12px 14px}.progress-wrap{bottom:84px;left:16px;right:16px}}@media (max-width: 640px){.topbar{padding:12px 16px}.brand-tag{display:none}.hud{top:56px;left:12px;right:12px;min-width:0;flex-direction:row;flex-wrap:wrap;padding:10px 12px;font-size:11px}.hud-row{flex:1;min-width:70px}.hud-value{font-size:14px}.hud-stage{font-size:12px}.progress-wrap{bottom:76px;left:12px;right:12px}.progress-meta{font-size:10px}.controls{bottom:12px;padding:6px;gap:6px;width:calc(100vw - 24px);max-width:380px;justify-content:space-between}.ctrl-btn{min-width:0;flex:1;padding:8px 4px;height:38px;font-size:11px;gap:4px}.ctrl-label{font-size:11px}.orbit-picker{width:calc(100vw - 32px);padding:20px 16px}.orbit-options{flex-direction:column;gap:8px}.orbit-option{flex-direction:row;justify-content:space-between;padding:14px 18px}.help-card{padding:24px 20px}}@media (max-height: 480px){.controls{bottom:8px}.progress-wrap{bottom:70px}}