:root{color-scheme:light;font-family:Segoe UI,Microsoft YaHei,sans-serif;background:#d8ecff}*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden}body{background:radial-gradient(circle at top,#f7fbff,#d8ecff 45%,#c4dcf4)}canvas{display:block}.debug-status{position:fixed;top:320px;right:16px;z-index:30;max-width:260px;padding:10px 12px;border-radius:12px;background:#111827e0;color:#f8fafc;font-size:13px;line-height:1.4;opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .14s ease,transform .14s ease}.debug-status[data-visible=true]{opacity:1;transform:translateY(0)}.stats-panel{position:fixed!important;top:16px!important;left:16px!important;z-index:40!important}