:root{--paper:#ffffff;--ink:#111110;--grid:#b4b0a4;--bg:#ffffff;--panel:#ffffff;--panel-2:#fbfaf8;--line:#d9d6cd;--line-2:#ece9e2;--text:#1c1b18;--muted:#8a857a;--accent:#ef5b43;--shadow:none;--r-sm:0;--ctrl:38px;--font:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;--mono:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,monospace}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:var(--font);color:var(--text);background:var(--bg);overflow:hidden;-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none}button{font-family:inherit}#app{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;min-height:420px}#topbar{flex:0 0 auto;display:flex;align-items:center;gap:10px;height:56px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}#topbar .brand{font-weight:800;letter-spacing:.02em;font-size:14px;white-space:nowrap}#topbar .brand b{color:var(--accent)}.sep{flex:0 0 auto;width:1px;height:26px;background:var(--line);margin:0 2px}.spacer{flex:1 1 auto;min-width:8px}.tslider{display:flex;align-items:center;gap:7px;white-space:nowrap;flex:0 0 auto}.tslider .lbl{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.tslider input[type=range]{width:96px}.tslider.compact input[type=range]{width:70px}.tslider .val{font-family:var(--mono);font-size:11.5px;color:var(--text);min-width:40px;text-align:right}.iseg{display:inline-flex;flex:0 0 auto;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;height:var(--ctrl)}.iseg button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-right:1px solid var(--line-2);background:transparent;cursor:pointer;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 11px;font-size:12.5px;font-weight:600;min-width:42px}.iseg button:last-child{border-right:0}.iseg button[aria-pressed=true]{background:var(--ink);color:#fff}.iseg button svg{width:16px;height:16px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:0 0 auto;height:var(--ctrl);border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:var(--r-sm);padding:0 13px;font-size:12.5px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{border-color:var(--muted)}.btn svg{width:16px;height:16px}.btn.icon{width:var(--ctrl);padding:0}.btn.acc{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.on{background:var(--ink);color:#fff;border-color:var(--ink)}#stagewrap{position:relative;flex:1 1 auto;min-height:0}#stage{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:stretch;padding:0}#board{position:relative;background:var(--paper);touch-action:none;overflow:hidden}canvas{display:block}#board.alpha{background:conic-gradient(#eceae3 25%,transparent 0 50%,#eceae3 0 75%,transparent 0) 0 0/18px 18px,#fbfbf9}.drophint{position:absolute;top:0;right:0;bottom:0;left:0;display:none;place-items:center;pointer-events:none;background:#ef5b431a;border:2px dashed var(--accent);z-index:5}.drophint span{background:var(--accent);color:#fff;padding:8px 14px;font-weight:600;font-size:13px}#board.dragover .drophint{display:grid}#statusbar{flex:0 0 auto;display:flex;align-items:center;gap:13px;height:32px;padding:0 14px;background:var(--ink);color:#cfcabd;font-family:var(--mono);font-size:11.5px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}#statusbar span{white-space:nowrap}#statusbar b{color:#fff;font-weight:600}#statusbar .cap{color:var(--accent)}#statusbar .live{flex:0 0 auto;width:7px;height:7px;background:var(--accent)}.mslider{display:flex;align-items:center;gap:6px;flex:0 0 auto}.mslider span{font-size:10.5px;color:#9a948a;text-transform:uppercase;letter-spacing:.02em}.mslider input[type=range]{width:62px}.mslider b{min-width:34px;text-align:right}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:24px;background:transparent;cursor:pointer;margin:0;vertical-align:middle}input[type=range]::-webkit-slider-runnable-track{height:3px;background:var(--line)}input[type=range]::-moz-range-track{height:3px;background:var(--line)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:-7px;width:14px;height:16px;border-radius:0;background:var(--ink);border:2px solid #fff}input[type=range]::-moz-range-thumb{width:14px;height:16px;border:2px solid #fff;border-radius:0;background:var(--ink)}input[type=range]:focus-visible{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{outline:2px solid var(--accent);outline-offset:2px}input[type=range]:focus-visible::-moz-range-thumb{outline:2px solid var(--accent);outline-offset:2px}#statusbar input[type=range]::-webkit-slider-runnable-track{background:#4a463e}#statusbar input[type=range]::-moz-range-track{background:#4a463e}#statusbar input[type=range]::-webkit-slider-thumb{background:#fff;border-color:var(--ink)}#statusbar input[type=range]::-moz-range-thumb{background:#fff;border-color:var(--ink)}.btn:focus-visible,.iseg button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#dbg{position:fixed;left:14px;bottom:46px;width:248px;background:#111110ed;color:#e8e5dc;z-index:60;display:none;font-family:var(--mono);font-size:11px;border:1px solid #000;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}#dbg.show{display:block}#dbg .h{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid rgba(255,255,255,.12)}#dbg .h b{font-size:11px;color:#fff}#dbg .h .tag{margin-left:auto;color:#9a948a}#dbg .rows{padding:8px 10px;display:grid;grid-template-columns:auto 1fr;gap:3px 12px}#dbg .rows span:nth-child(odd){color:#9a948a}#dbg .rows span:nth-child(2n){color:#fff;text-align:right;word-break:break-all}#dbg .log{padding:6px 10px 9px;border-top:1px solid rgba(255,255,255,.12);max-height:96px;overflow:auto;color:#b9b3a7;white-space:pre-wrap;line-height:1.45}