:root{--bg: #f3f5f8;--panel: #ffffff;--border: #dde2ea;--text: #1f2933;--muted: #6b7785;--accent: #1e6fd9;--accent-soft: #e6f0fd;--sim: #1a9c55;--sim-stop: #d64545;--warn: #b7791f;--code-bg: #1e2430;--code-text: #e3e8ef;--code-panel-width: 520px;font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;display:flex;flex-direction:column;overflow:hidden}[hidden]{display:none!important}#topbar{display:flex;align-items:center;gap:10px;height:52px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--border);flex:none}.brand{display:flex;align-items:center;gap:8px;font-weight:700}.logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#1e6fd9,#6c3fe0);color:#fff;display:grid;place-items:center;font-weight:800}.project-name{border:1px solid #cfd6df;border-radius:6px;padding:6px 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9px;font-size:12px}.btn-sim{background:var(--sim);color:#fff;border-color:var(--sim);font-weight:600}.btn-sim:hover{background:#158446}.btn-sim.running{background:var(--sim-stop);border-color:var(--sim-stop)}.btn-code.active,.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:#185fbd}#workspace{flex:1;display:flex;min-height:0}#library{width:220px;flex:none;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:10px;gap:8px;overflow-y:auto}.panel-title{font-weight:700}.search{border:1px solid var(--border);border-radius:6px;padding:6px 8px;font:inherit}.lib-category{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:8px 0 4px}.lib-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.lib-item{border:1px solid 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var(--border);min-height:24px;display:flex;flex-wrap:wrap;gap:4px 14px}#statusbar .ok{color:var(--sim)}#statusbar .warn{color:var(--warn)}#statusbar .fix{margin-left:6px;padding:1px 8px;border:1px solid var(--accent);border-radius:5px;background:var(--accent);color:#fff;font:inherit;font-size:12px;font-weight:600;cursor:pointer}#statusbar .fix:hover{filter:brightness(1.1)}#properties{position:absolute;right:12px;top:12px;width:250px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 24px #141e321f;padding:12px;display:flex;flex-direction:column;gap:8px}#properties h3{margin:0;font-size:14px}#properties label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--muted)}#properties input,#properties select{font:inherit;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 6px}#properties .row{display:flex;gap:6px}#properties .toggle-prop{font-weight:600;color:var(--text)}#properties 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