:root{--ink: #575e75;--ink-strong: #2e3550;--line: #e4e6ef;--panel: #ffffff;--ground: #f2f3f7;--run: #4caf50;--stop: #ec5959;color-scheme:light}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;height:100vh;display:flex;flex-direction:column;background:var(--ground);color:var(--ink);font:14px/1.45 Helvetica Neue,Helvetica,Arial,sans-serif}.bar{display:flex;align-items:center;gap:16px;padding:0 16px;height:56px;background:var(--panel);border-bottom:1px solid var(--line);flex:none}.brand{font-size:18px;font-weight:700;color:var(--ink-strong)}.logo{display:inline-block;background:#4c97ff;color:#fff;border-radius:7px;padding:2px 8px;margin-right:2px}.files{display:flex;gap:4px;margin-left:8px}.project{font-weight:700;color:var(--ink-strong);padding:4px 10px;border-radius:8px;background:var(--ground);max-width:26ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project[data-dirty=true]:before{content:"• ";color:#ff8c1a}.actions{display:flex;gap:8px;margin-left:auto}.engine-status{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.engine{font-size:10px;color:#9aa0b4}.btn{font:inherit;font-weight:700;color:#fff;border:0;border-radius:18px;padding:8px 18px;cursor:pointer;transition:filter .12s ease}.btn:hover:not(:disabled){filter:brightness(1.07)}.btn:disabled{opacity:.4;cursor:default}.btn-run{background:var(--run)}.btn-stop{background:var(--stop)}.btn-ghost{font:inherit;font-size:12px;background:none;border:1px solid var(--line);border-radius:12px;color:var(--ink);padding:2px 10px;cursor:pointer}.btn-ghost:hover{background:var(--ground)}.pill{font-size:12px;font-weight:700;border-radius:12px;padding:4px 12px;background:var(--ground);min-width:118px;text-align:center}.pill[data-state=running]{background:#dff3e0;color:#2e7d32}.pill[data-state=awaiting-input]{background:#e3f0f8;color:#1f6f9b}.pill[data-state=broken]{background:#fbe0e0;color:#b3261e}.layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,34%);gap:10px;padding:10px}.side{display:grid;grid-template-rows:minmax(0,1.2fr) minmax(0,1fr);gap:10px;min-height:0}.side.with-stage{grid-template-rows:minmax(180px,1.4fr) minmax(0,1.1fr) minmax(0,1fr)}.pane{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:0;display:flex;flex-direction:column}.pane-title{display:flex;align-items:center;justify-content:space-between;margin:0;padding:8px 12px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line);flex:none}.fill{flex:1;min-height:0;overflow:hidden}.console{display:flex;flex-direction:column}.console-output{flex:1;min-height:0;overflow:auto;padding:10px 12px;white-space:pre-wrap;word-break:break-word;font:13px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace}.s-stderr{color:#d13438}.s-stdin{color:#1f6f9b;font-weight:700}.console-input{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:6px 12px;background:#fbfcfe;flex:none}.console-caret{color:#1f6f9b;font-weight:700}.console-input input{flex:1;border:0;outline:0;background:none;font:13px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--ink-strong)}.pane-blocks{position:relative}.injectionDiv{border-radius:10px}.snappy-error-block>.blocklyPath{stroke:#d13438;stroke-width:4px;filter:drop-shadow(0 0 6px rgba(209,52,56,.55))}.snappy-error-block{animation:snappy-error-pulse 1.1s ease-out 2}@keyframes snappy-error-pulse{0%,to{opacity:1}50%{opacity:.55}}@media (prefers-reduced-motion: reduce){.snappy-error-block{animation:none}}.snappy-dialog-backdrop{position:fixed;inset:0;background:#2e355059;display:flex;align-items:center;justify-content:center;z-index:1000}.snappy-dialog{background:var(--panel);border-radius:12px;box-shadow:0 12px 40px #2e35504d;padding:20px;width:min(380px,calc(100vw - 32px))}.snappy-dialog-message{margin:0 0 14px;color:var(--ink-strong);font-weight:700}.snappy-dialog-input{width:100%;font:inherit;padding:8px 10px;border:2px solid var(--line);border-radius:8px;color:var(--ink-strong);outline:none}.snappy-dialog-input:focus{border-color:#4c97ff}.snappy-dialog-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.snappy-dialog-choices{display:flex;gap:16px;margin-top:12px;font-weight:700;color:var(--ink)}.snappy-dialog-choices label{display:flex;align-items:center;gap:5px;cursor:pointer}.stage{position:relative;background:#fff;background-image:linear-gradient(to right,#f0f1f6 1px,transparent 1px),linear-gradient(to bottom,#f0f1f6 1px,transparent 1px);background-size:25px 25px;background-position:center center}.stage canvas{position:absolute;inset:0}.btn-download{border-color:#4c97ff;color:#4c97ff;font-weight:700;white-space:nowrap}.btn-download:hover{background:#eaf2ff}