:root{color-scheme:dark;--bg: #12161c;--panel: #1a2029;--panel-2: #222a35;--border: #2e3844;--text: #e6eaf0;--muted: #8a95a5;--accent: #4da6ff;--danger: #ff6b6b;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--text)}button{cursor:pointer;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:#08131f;border-color:var(--accent);font-weight:600}button:disabled{opacity:.5;cursor:default}input,select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:13px}.login-page{height:100%;display:flex;align-items:center;justify-content:center}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:12px;text-align:center}.login-card p{color:var(--muted);margin:0 0 8px}.error{color:var(--danger);font-size:13px}.page{height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--panel)}.topbar h1{font-size:16px;margin:0;flex:0 0 auto}.topbar .spacer{flex:1}.project-list{max-width:720px;margin:40px auto;padding:0 16px;width:100%}.project-list-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px;background:var(--panel)}.project-list-item .name{flex:1;font-weight:500}.editor-layout,.sim-layout{flex:1;display:flex;overflow:hidden}.toolbar{width:190px;border-right:1px solid var(--border);background:var(--panel);padding:12px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}.toolbar button{text-align:left}.toolbar button.active{background:var(--accent);color:#08131f;border-color:var(--accent)}.canvas-wrap{flex:1;position:relative;overflow:hidden;background:#0b0e13}.side-panel{width:300px;border-left:1px solid var(--border);background:var(--panel);padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.side-panel h3{margin:0 0 4px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}.field-row{display:flex;gap:8px}.field-row .field{flex:1}.hint{font-size:12px;color:var(--muted);line-height:1.4}.room-list-item,.device-list-item{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;border-radius:6px;font-size:13px}.room-list-item:hover,.device-list-item:hover{background:var(--panel-2)}.room-list-item.selected,.device-list-item.selected{background:var(--panel-2);border:1px solid var(--accent)}.metrics-panel{display:flex;flex-direction:column;gap:10px}.metric-room{border:1px solid var(--border);border-radius:8px;padding:8px 10px}.metric-room .name{font-weight:600;font-size:13px;margin-bottom:4px}.metric-room .values{font-size:12px;color:var(--muted);display:flex;gap:10px}.playback-bar{display:flex;align-items:center;gap:10px;padding:10px 16px;border-top:1px solid var(--border);background:var(--panel)}.legend{position:absolute;bottom:16px;left:16px;background:#141920d9;border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:12px;display:flex;align-items:center;gap:8px}.legend-gradient{width:140px;height:10px;border-radius:4px;background:linear-gradient(to right,#2d6cdf,#35c7c1,#f2c744,#e8543a)}