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.upright{transform-box:fill-box;transform-origin:50%;transform:rotate(180deg)}:root{--ide:#00787b;--ide-dark:#005f62;--accent:#8a2f92;--bg:#f4f5f7;--panel:#fff;--line:#d9dde3;--text:#1d2228;--muted:#5d6670;--ok:#1a7f37;--err:#c62828;--warn:#b26a00;color:var(--text);font-family:Malgun Gothic,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;margin:0}body{flex-direction:column;height:100vh;display:flex}.toolbar{background:var(--ide);color:#fff;flex-wrap:wrap;align-items:center;gap:12px;padding:7px 12px;display:flex}.brand{white-space:nowrap;font-size:16px;font-weight:700}.tag{background:#fff3;border-radius:10px;margin-left:4px;padding:2px 8px;font-size:11px;font-weight:600}.examples{align-items:center;gap:6px;font-size:13px;display:flex}.examples select{max-width:240px}.group{gap:6px;display:flex}.toolbar button{font:inherit;cursor:pointer;color:#fff;background:#ffffff1f;border:1px solid #ffffff8c;border-radius:6px;padding:5px 11px;font-size:13px}.toolbar button:hover:not(:disabled){background:#ffffff40}.toolbar button:disabled{opacity:.45;cursor:default}.toolbar button.primary{color:var(--ide-dark);background:#fff;border-color:#fff;font-weight:700}.toolbar button.primary:hover:not(:disabled){background:#e6f4f4}.status{align-items:center;gap:12px;margin-left:auto;font-size:13px;display:flex}.badge{background:#0003;border-radius:10px;padding:3px 10px;font-weight:600}.badge.run{background:#2fbf71}.badge.err{background:var(--err)}.badge.busy{background:#f0a020}.lesson-bar{border-bottom:1px solid var(--line);background:#f6eef7;flex-wrap:wrap;align-items:center;gap:4px 12px;margin:0;padding:5px 12px;font-size:13px;display:flex}.lesson-bar[hidden]{display:none}.lesson-tag{color:#fff;background:#8a2f92;border-radius:9px;padding:1px 8px;font-size:11.5px;font-weight:600}.lesson-bar a{color:#8a2f92}.lesson-bar button{padding:2px 8px;font-size:12px}.lesson-msg{color:var(--muted)}.banner{color:var(--muted);border-bottom:1px solid var(--line);background:#e8f3f3;margin:0;padding:5px 12px;font-size:12.5px}main{flex:1;grid-template-columns:minmax(520px,1.45fr) minmax(380px,1fr);gap:8px;min-height:0;padding:8px;display:grid}section{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-height:0;overflow:hidden}.circuit-pane{flex-direction:column;display:flex}#circuit{flex:1;min-height:0;display:flex}.warnings{background:#fff8e6;border-top:1px solid #f0d9a8;max-height:96px;padding:6px 10px;font-size:12.5px;overflow:auto}.warnings li{margin:2px 0}.warnings ul{margin:0;padding-left:18px}.warnings b{color:var(--warn)}.right-pane{grid-template-rows:minmax(0,1fr) minmax(220px,42%);display:grid}.code-pane{flex-direction:column;min-height:0;display:flex}.pane-title{border-bottom:1px solid var(--line);background:#fafbfc;justify-content:space-between;align-items:center;padding:6px 12px;font-size:13px;font-weight:600;display:flex}.dirty{color:var(--warn);font-size:12px;font-weight:600}#code{flex:1;min-height:0;overflow:hidden}#code .cm-editor{height:100%;font-size:14px}#code .cm-scroller{font-family:Consolas,D2Coding,Cascadia Mono,monospace}.console{border-top:1px solid var(--line);flex-direction:column;min-height:0;display:flex}.tabs{border-bottom:1px solid var(--line);background:#fafbfc;gap:2px;padding:4px 8px 0;display:flex}.tabs button{font:inherit;cursor:pointer;color:var(--muted);background:0 0;border:1px solid #0000;border-bottom:none;border-radius:6px 6px 0 0;padding:6px 12px;font-size:13px}.tabs button.active{border-color:var(--line);color:var(--text);background:#fff;margin-bottom:-1px;font-weight:600}#baud{color:var(--muted);font-size:11px;font-weight:400}.tab-body{flex-direction:column;flex:1;min-height:0;padding:8px 10px;display:flex}.tab-body[hidden]{display:none}#serial-out{white-space:pre-wrap;word-break:break-all;border:1px solid var(--line);background:#fbfbfc;border-radius:6px;flex:1;margin:0;padding:6px 8px;font-family:Consolas,D2Coding,monospace;font-size:13px;overflow:auto}#serial-out .sys{color:var(--accent)}.serial-input{align-items:center;gap:6px;margin-top:6px;display:flex}.serial-input input{min-width:0;font:inherit;border:1px solid var(--line);border-radius:6px;flex:1;padding:5px 8px;font-size:13px}.serial-input button,.serial-input select{font:inherit;font-size:12px}.sound{white-space:nowrap;font-size:12px}#tab-build{font-size:13px;overflow:auto}#build-summary.ok{color:var(--ok);font-weight:600}#build-summary.fail{color:var(--err);font-weight:600}#build-errors{flex-direction:column;gap:6px;margin:8px 0;padding:0;list-style:none;display:flex}#build-errors li{border:1px solid var(--line);border-left:4px solid var(--err);cursor:pointer;background:#fff;border-radius:6px;padding:6px 8px}#build-errors li.warning{border-left-color:var(--warn)}#build-errors li:hover{background:#fff7f7}#build-errors .where{margin-right:6px;font-weight:700}#build-errors code{font-family:Consolas,monospace;font-size:12.5px}#build-errors .ko{color:#333;margin-top:3px}#build-log{white-space:pre-wrap;background:#fbfbfc;border-radius:6px;max-height:220px;padding:6px;font-size:12px;overflow:auto}#build-badge.err{color:var(--err);font-weight:700}#tab-pins{overflow:auto}.pins-title{color:var(--muted);margin-bottom:6px;font-size:12px}.pins{grid-template-columns:repeat(5,1fr);gap:4px;display:grid}.pin{border:1px solid var(--line);background:#fff;border-radius:5px;padding:3px 4px;font-size:11px}.pin .row{justify-content:space-between;display:flex}.pin .name{font-weight:700}.pin .mode{color:var(--muted)}.pin .bar{background:#e9ecef;border-radius:3px;height:5px;margin-top:3px;overflow:hidden}.pin .bar i{background:var(--ide);width:0;height:100%;display:block}.pin.out .mode{color:var(--ide-dark);font-weight:700}.pin.hi{border-color:var(--ide);background:#eef8f8}@media (width<=1000px){body{height:auto;min-height:100vh}main{grid-template-rows:560px auto;grid-template-columns:1fr}.right-pane{grid-template-rows:360px 320px}.status{margin-left:0}}