html,body{height:100%;margin:0;overflow:hidden}canvas{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;display:block}.fps{top:calc(8px + env(safe-area-inset-top));left:calc(8px + env(safe-area-inset-left));color:#fff;pointer-events:none;-webkit-user-select:none;user-select:none;background:#00000059;border-radius:4px;padding:4px 6px;font:12px/1 ui-monospace,monospace;position:fixed}.clean{top:calc(8px + env(safe-area-inset-top));color:#fff;pointer-events:none;-webkit-user-select:none;user-select:none;background:#00000059;border-radius:12px;padding:5px 10px;font:700 13px/1 ui-monospace,monospace;position:fixed;left:50%;transform:translate(-50%)}.overlay{color:#fff;text-align:center;-webkit-user-select:none;user-select:none;background:#4646468c;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-family:ui-monospace,monospace;display:flex;position:fixed;inset:0}.overlay-title{font-size:28px;font-weight:700}.overlay-line{font-size:18px}.overlay-hint{opacity:.85;margin-top:8px;font-size:14px}.overlay-buttons{gap:12px;margin-top:8px;display:flex}.btn{color:#fff;cursor:pointer;background:#fff3;border:2px solid #fffc;border-radius:12px;min-width:96px;padding:10px 18px;font:700 16px ui-monospace,monospace}.exit{top:calc(36px + env(safe-area-inset-top));left:calc(8px + env(safe-area-inset-left));color:#fff;cursor:pointer;background:#00000059;border:0;border-radius:10px;padding:6px 12px;font:700 13px/1 ui-monospace,monospace;position:fixed}.exit[hidden],.landing[hidden]{display:none}.landing{z-index:1;padding:calc(32px + env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));text-align:center;-webkit-user-select:none;user-select:none;background:linear-gradient(#9fd8ff,#dff3ff);font-family:ui-monospace,monospace;position:fixed;inset:0;overflow-y:auto}.landing-title{color:#fff;text-shadow:0 2px 6px #003c7859;font-size:34px;font-weight:700}.landing-sub{color:#2a5878;margin:6px 0 20px;font-size:16px}.landing-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;max-width:720px;margin:0 auto;display:grid}.stage{color:#2b3a33;cursor:pointer;border:2px solid #ffffffe6;border-radius:14px;flex-direction:column;gap:4px;padding:14px 10px;font-family:inherit;display:flex}.stage.current{border-color:#ffcf5a;box-shadow:0 0 0 3px #ffcf5a80}.stage.locked{color:#2b3a3380;cursor:default;background:#ffffff59}.stage-level{font-size:18px;font-weight:700}.stage-area{font-size:14px}.stage-best{opacity:.8;font-size:12px}.banner{color:#fff;text-align:center;pointer-events:none;-webkit-user-select:none;user-select:none;opacity:0;background:#0006;border-radius:12px;max-width:calc(100% - 32px);padding:10px 16px;font-family:ui-monospace,monospace;transition:opacity .6s;position:fixed;top:22%;left:50%;transform:translate(-50%)}.banner.show{opacity:1}.banner-title{font-size:24px;font-weight:700}.banner-tip{margin-top:6px;font-size:14px}.wind{top:calc(8px + env(safe-area-inset-top));right:calc(8px + env(safe-area-inset-right));pointer-events:none;-webkit-user-select:none;user-select:none;width:72px;height:72px;position:fixed}.wind-dial,.wind-needle{width:100%;height:100%;position:absolute;inset:0}.wind-dial circle{fill:#00000040;stroke:#fff9;stroke-width:2px}.wind-dial text{fill:#fff;text-anchor:middle;dominant-baseline:central;font:700 10px ui-monospace,monospace}.wind-tip{fill:#ffcf5a}.wind-tail{fill:#fff9}.wind-needle circle{fill:#fff}.wind-label{white-space:nowrap;color:#fff;text-shadow:0 1px 2px #00000080;margin-top:4px;font:11px/1 ui-monospace,monospace;position:absolute;top:100%;left:50%;transform:translate(-50%)}.stick{box-sizing:border-box;pointer-events:none;background:#ffffff26;border:2px solid #fff9;border-radius:50%;display:none;position:fixed}.stick-knob{background:#ffffffb3;border-radius:50%;width:50px;height:50px;margin:-25px 0 0 -25px;position:absolute;top:50%;left:50%}