body{padding:16px;font-family:Arial}
.panel{background:#fff;padding:12px;border-radius:8px;margin-bottom:12px}
.grid{display:flex;flex-wrap:wrap;gap:8px}
.plant-item{width:110px;height:84px;border:1px solid #ddd;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:6px;cursor:pointer}
.plant-item.selected{box-shadow:0 0 0 3px rgba(255,204,0,0.15);border-color:#ffcc00}
.map-item{width:180px;height:100px;border:1px solid #ddd;display:flex;align-items:center;justify-content:center;border-radius:6px;cursor:pointer}
.map-item.selected{box-shadow:0 0 0 3px rgba(0,150,136,0.15);border-color:#009688}
.mode-item{display:inline-block;padding:8px 12px;border:1px solid #ccc;border-radius:6px;cursor:pointer;margin-right:8px}
.mode-item.selected{background:#009688;color:#fff;border-color:#00796B}
#start-btn{padding:8px 14px;background:#3a6ea5;color:#fff;border-radius:6px;border:none;cursor:pointer}