*{margin:0;padding:0;box-sizing:border-box;user-select:none}body,html{width:100%;height:100%;overflow:hidden;background-color:#0b0d12;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif;color:#f1f5f9}#canvas-container{width:100%;height:100%;position:absolute;top:0;left:0}.hud-header{position:absolute;top:24px;left:28px;pointer-events:none;z-index:10;background:#0f141cbf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:16px 24px;border-radius:12px;border:1px solid rgba(255,255,255,.12);box-shadow:0 8px 32px #00000059}.hud-title{font-size:22px;font-weight:700;letter-spacing:2px;color:#ffde94;text-shadow:0 2px 8px rgba(220,160,40,.3);display:flex;align-items:center;gap:8px}.hud-subtitle{font-size:13px;color:#94a3b8;margin-top:4px;letter-spacing:1px}.hud-stats{font-size:12px;color:#64748b;margin-top:8px;font-family:monospace}.hud-stats span{color:#38bdf8;margin-right:12px}.hud-panel{position:absolute;z-index:10;background:#0f141ccc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:14px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.12);box-shadow:0 8px 32px #0006}.panel-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:#cbd5e1;margin-bottom:10px;display:flex;align-items:center;justify-content:space-between}.btn-group{display:flex;flex-wrap:wrap;gap:8px}.btn{background:#ffffff14;color:#e2e8f0;border:1px solid rgba(255,255,255,.15);padding:7px 12px;font-size:13px;border-radius:6px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;gap:6px}.btn:hover{background:#ffde9433;border-color:#ffde94;color:#fff;transform:translateY(-1px)}.btn.active{background:#ffde94;color:#1a160d;font-weight:600;border-color:#ffde94;box-shadow:0 2px 10px #ffde944d}#view-controls{bottom:24px;left:28px}#light-controls{top:24px;right:28px}#legend-panel{bottom:24px;right:28px;max-width:320px}.legend-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 12px;font-size:12px;color:#cbd5e1;margin-top:4px}.legend-item{display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px 6px;border-radius:4px;transition:background .15s}.legend-item:hover{background:#ffffff1a;color:#ffde94}.color-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.hint-text{font-size:11px;color:#64748b;margin-top:10px;padding-top:8px;border-top:1px solid rgba(255,255,255,.08);line-height:1.4}@media(max-width:860px){.hud-header{top:12px;left:12px;right:12px;padding:12px 16px}#view-controls{bottom:12px;left:12px}#light-controls{top:120px;right:12px}#legend-panel{display:none}}