:root{--bg:#f4f7fb;--panel:#fff;--ink:#1f2a37;--muted:#6b7280;--line:#e3e8ef;--green:#22a45d;--green-dark:#1b8a4d;--red:#e5484d;--blue:#3b82f6;--amber:#f59e0b;--radius:14px;--mono:"JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;color:var(--ink);background:var(--bg);font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0}#app{flex-direction:column;height:100vh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:16px;padding:10px 16px;display:flex}.brand{align-items:center;gap:8px;font-size:22px;font-weight:800;display:flex}.logo{font-size:28px}.actions{align-items:center;gap:8px;display:flex}.actions.secondary{margin-left:auto}.btn{font:inherit;cursor:pointer;color:var(--ink);background:#eef2f7;border:0;border-radius:999px;padding:9px 18px;font-weight:700;transition:transform 50ms,background .15s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.run{background:var(--green);color:#fff;padding:9px 22px;font-size:17px}.btn.run:hover:not(:disabled){background:var(--green-dark)}.btn.stop{background:var(--red);color:#fff}.btn.ghost{border:1px solid var(--line);background:0 0}.btn.ghost:hover{background:#eef2f7}.btn.tiny{padding:4px 12px;font-size:13px}.select{border:1px solid var(--line);font:inherit;background:var(--panel);color:var(--ink);border-radius:999px;padding:8px 12px}.workspace{flex:1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;min-height:0;padding:12px;display:grid}.pane{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);min-height:0;overflow:hidden}.editor-pane{display:flex}.editor{flex:1;min-width:0;font-size:17px}.editor .cm-editor{height:100%}.editor .cm-scroller{font-family:var(--mono);line-height:1.6}.editor .cm-activeLine.pyplay-current,.editor .pyplay-current{background:#fff3c4!important}.editor .pyplay-error-line{background:#ffe4e4!important}.side-pane{background:0 0;border:0;grid-template-rows:minmax(0,3fr) minmax(0,2fr);gap:12px;display:grid}.canvas-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}#canvas{outline:none;width:100%;height:100%;display:block}#canvas:focus-visible{box-shadow:inset 0 0 0 3px var(--blue)}.canvas-title{color:var(--muted);pointer-events:none;font-size:12px;position:absolute;top:8px;left:12px}.console-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;display:flex;overflow:hidden}.console-head{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:6px 12px;font-size:14px;font-weight:700;display:flex}.status{color:var(--muted);margin-left:auto;font-size:13px;font-weight:500}.console{font-family:var(--mono);white-space:pre-wrap;word-break:break-word;flex:1;padding:10px 12px;font-size:15px;overflow:auto}.console .echo{color:var(--blue)}.console .info{color:var(--muted);font-family:inherit;font-size:13px}.console .error-card{white-space:normal;background:#fff1f1;border:1px solid #ffc9c9;border-radius:10px;margin:8px 0;padding:10px 12px;font-family:PingFang SC,Microsoft YaHei,sans-serif}.console .error-card .title{color:#b42318;font-weight:800}.console .error-card .hint{margin-top:4px}.console .error-card pre{font-family:var(--mono);color:#7a271a;white-space:pre-wrap;margin:8px 0 0;font-size:13px}.input-row{border-top:1px solid var(--line);background:#f8fbff;gap:8px;padding:8px 12px;display:flex}.input-row input{border:2px solid var(--blue);font:inherit;font-family:var(--mono);border-radius:10px;flex:1;padding:8px 10px}.dialog{border-radius:var(--radius);border:0;min-width:320px;padding:20px 22px;box-shadow:0 20px 50px #0003}.dialog h3{margin:0 0 6px}.dialog p{white-space:pre-wrap;margin:0 0 12px}.dialog input{border:2px solid var(--blue);width:100%;font:inherit;border-radius:10px;padding:8px 10px}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:14px;display:flex}.toast{background:var(--ink);color:#fff;z-index:10;border-radius:999px;padding:10px 16px;font-size:14px;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}@media (max-width:860px){.workspace{grid-template-rows:minmax(260px,1fr) minmax(420px,1.3fr);grid-template-columns:1fr}.actions.secondary{margin-left:0}}[hidden]{display:none!important}